const pptxgen = require("pptxgenjs");
const fs = require("fs");
const path = require("path");

// Load images as base64
const img1Path = "/home/daytona/workspace/pulm-seq-poster/images/slide4_img1.jpg";
const img2Path = "/home/daytona/workspace/pulm-seq-poster/images/slide5_img2.png";

const img1B64 = "image/jpeg;base64," + fs.readFileSync(img1Path).toString("base64");
const img2B64 = "image/png;base64," + fs.readFileSync(img2Path).toString("base64");

// ─── COLOUR PALETTE ───────────────────────────────────────────────────────────
const NAVY       = "0D2B5C";   // dominant – header, section bars
const TEAL       = "0B7B8E";   // supporting – sub-headers, accents
const LIGHT_BLUE = "DFF0F5";   // panel backgrounds
const WHITE      = "FFFFFF";
const DARK_GREY  = "1E1E1E";   // body text
const MID_GREY   = "4A4A4A";
const GOLD       = "C6922A";   // accent – key highlight line

// ─── POSTER DIMENSIONS (A0 landscape: 46.8" × 33.1" → use LAYOUT_WIDE proxy) 
// PptxGenJS doesn't have A0, so we set custom 33.1 × 46.8 (portrait A0)
// We'll use custom layout: 46.8" wide × 33.1" tall

let pres = new pptxgen();
pres.defineLayout({ name: "A0_LANDSCAPE", width: 46.8, height: 33.1 });
pres.layout = "A0_LANDSCAPE";
pres.title  = "AOCR Radiology Poster – Pulmonary Sequestration";

let slide = pres.addSlide();

// ─── BACKGROUND ───────────────────────────────────────────────────────────────
slide.addShape(pres.ShapeType.rect, {
  x: 0, y: 0, w: 46.8, h: 33.1,
  fill: { color: "F4F7FA" }, line: { color: "F4F7FA" }
});

// ─── HEADER BAR ───────────────────────────────────────────────────────────────
slide.addShape(pres.ShapeType.rect, {
  x: 0, y: 0, w: 46.8, h: 4.5,
  fill: { color: NAVY }, line: { color: NAVY }
});

// Gold accent line under header
slide.addShape(pres.ShapeType.rect, {
  x: 0, y: 4.5, w: 46.8, h: 0.18,
  fill: { color: GOLD }, line: { color: GOLD }
});

// Title
slide.addText("A Congenital Impostor: Bronchopulmonary Sequestration\nMasquerading as Chronic Infection", {
  x: 1.2, y: 0.3, w: 38, h: 2.6,
  fontSize: 52, fontFace: "Calibri", bold: true,
  color: WHITE, align: "left", valign: "middle",
  wrap: true
});

// Authors & Institution
slide.addText(
  "Dr. Ishaan Wagh  (JR II Radiology)   |   Co-author: Dr. Priscilla Joshi, Head of Department\nDepartment of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune",
  {
    x: 1.2, y: 3.0, w: 38, h: 1.3,
    fontSize: 24, fontFace: "Calibri", color: "C8E6F0",
    align: "left", valign: "middle", italic: false
  }
);

// AOCR logo / label top-right
slide.addShape(pres.ShapeType.rect, {
  x: 42.0, y: 0.35, w: 4.4, h: 3.8,
  fill: { color: TEAL }, line: { color: TEAL }, rounding: "0.1"
});
slide.addText("AOCR\n2025", {
  x: 42.0, y: 0.35, w: 4.4, h: 3.8,
  fontSize: 44, fontFace: "Calibri", bold: true,
  color: WHITE, align: "center", valign: "middle"
});

// ─── COLUMN LAYOUT ────────────────────────────────────────────────────────────
// 3 columns: Left (0–15), Centre (15.9–30.8), Right (31.7–46.8)  + gutters
const COL1_X  = 0.7;
const COL2_X  = 16.2;
const COL3_X  = 31.7;
const COL_W   = 14.8;
const Y_START = 5.1;

// ──────────────────────────────────────────────────────────────────────────────
// Helper: draw a section header bar
function sectionBar(slide, x, y, w, label) {
  slide.addShape(pres.ShapeType.rect, {
    x, y, w, h: 0.75,
    fill: { color: TEAL }, line: { color: TEAL }
  });
  slide.addText(label, {
    x: x + 0.15, y, w: w - 0.15, h: 0.75,
    fontSize: 28, fontFace: "Calibri", bold: true,
    color: WHITE, valign: "middle", charSpacing: 1
  });
}

// Helper: draw a content panel
function contentPanel(slide, x, y, w, h) {
  slide.addShape(pres.ShapeType.rect, {
    x, y, w, h,
    fill: { color: WHITE },
    line: { color: "D0DCE8", width: 1.2 }
  });
}

// ──────────────────────────────────────────────────────────────────────────────
// LEFT COLUMN
// ── INTRODUCTION ──
sectionBar(slide, COL1_X, Y_START, COL_W, "INTRODUCTION");
contentPanel(slide, COL1_X, Y_START + 0.78, COL_W, 7.4);
slide.addText([
  { text: "Bronchopulmonary Sequestration (BPS)", options: { bold: true, color: NAVY, breakLine: true } },
  { text: "is a rare congenital pulmonary malformation characterised by a non-functioning mass of lung tissue that:", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "• No communication with the tracheobronchial tree", options: { bullet: false, breakLine: true } },
  { text: "• Receives anomalous systemic arterial supply (most commonly from the thoracic aorta)", options: { bullet: false, breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Prevalence: ", options: { bold: true, color: TEAL } },
  { text: "0.15–6.4% of all congenital lung malformations", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Intralobar sequestration (ILS)", options: { bold: true, color: TEAL } },
  { text: " — the more common subtype — typically presents in ", options: {} },
  { text: "late childhood or adolescence", options: { bold: true } },
  { text: " with recurrent lower respiratory tract infections.", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Clinical challenge: ", options: { bold: true, color: GOLD } },
  { text: "In TB-endemic regions (e.g. India), BPS is frequently misdiagnosed as chronic infection or pulmonary tuberculosis, leading to prolonged inappropriate therapy.", options: {} }
], {
  x: COL1_X + 0.25, y: Y_START + 0.85, w: COL_W - 0.45, h: 7.2,
  fontSize: 22, fontFace: "Calibri", color: DARK_GREY,
  valign: "top", wrap: true
});

// ── AIMS & OBJECTIVES ──
const AO_Y = Y_START + 8.4;
sectionBar(slide, COL1_X, AO_Y, COL_W, "AIMS & OBJECTIVES");
contentPanel(slide, COL1_X, AO_Y + 0.78, COL_W, 4.5);
slide.addText([
  { text: "1. ", options: { bold: true, color: TEAL } },
  { text: "To highlight the imaging features of BPS on chest X-ray and CT angiography", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "2. ", options: { bold: true, color: TEAL } },
  { text: "To illustrate the diagnostic pitfall of BPS mimicking chronic pulmonary infection", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "3. ", options: { bold: true, color: TEAL } },
  { text: "To emphasise the role of CECT angiography as investigation of choice for definitive diagnosis", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "4. ", options: { bold: true, color: TEAL } },
  { text: "To prevent unnecessary anti-tubercular therapy in misdiagnosed patients", options: {} }
], {
  x: COL1_X + 0.25, y: AO_Y + 0.9, w: COL_W - 0.45, h: 4.2,
  fontSize: 22, fontFace: "Calibri", color: DARK_GREY,
  valign: "top", wrap: true
});

// ── MATERIALS & METHODS ──
const MM_Y = AO_Y + 5.5;
sectionBar(slide, COL1_X, MM_Y, COL_W, "MATERIALS & METHODS");
contentPanel(slide, COL1_X, MM_Y + 0.78, COL_W, 4.8);
slide.addText([
  { text: "Study Design: ", options: { bold: true, color: TEAL } },
  { text: "Case Report", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Patient: ", options: { bold: true, color: TEAL } },
  { text: "Adolescent presenting with recurrent lower respiratory tract infections, initially treated for pulmonary tuberculosis", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Imaging Modalities Used:", options: { bold: true, color: TEAL, breakLine: true } },
  { text: "  • Chest X-ray (CXR) – PA view", options: { breakLine: true } },
  { text: "  • Contrast-Enhanced CT (CECT) with CT Angiography", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Institution: ", options: { bold: true, color: TEAL } },
  { text: "Department of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune", options: {} }
], {
  x: COL1_X + 0.25, y: MM_Y + 0.9, w: COL_W - 0.45, h: 4.5,
  fontSize: 22, fontFace: "Calibri", color: DARK_GREY,
  valign: "top", wrap: true
});

// ──────────────────────────────────────────────────────────────────────────────
// CENTRE COLUMN — CASE PRESENTATION + IMAGING
sectionBar(slide, COL2_X, Y_START, COL_W, "CASE PRESENTATION");
contentPanel(slide, COL2_X, Y_START + 0.78, COL_W, 4.8);
slide.addText([
  { text: "A patient presented with ", options: {} },
  { text: "recurrent lower respiratory tract infections", options: { bold: true } },
  { text: ". Prior workup in a TB-endemic setting led to initiation of ", options: {} },
  { text: "anti-tubercular therapy (ATT)", options: { bold: true } },
  { text: " without improvement.", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Chest X-ray (CXR) demonstrated a ", options: {} },
  { text: "retrocardiac lung opacity with sharp margins", options: { bold: true, color: GOLD } },
  { text: " — an incidental finding raising suspicion for a structural aetiology.", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "CECT angiography was performed to characterise the lesion, confirm vascular supply, and exclude malignancy or chronic infection.", options: {} }
], {
  x: COL2_X + 0.25, y: Y_START + 0.85, w: COL_W - 0.45, h: 4.6,
  fontSize: 22, fontFace: "Calibri", color: DARK_GREY, valign: "top", wrap: true
});

// CXR IMAGE + label
const CXR_Y = Y_START + 5.85;
sectionBar(slide, COL2_X, CXR_Y, COL_W, "CHEST X-RAY FINDING");
// Image panel
slide.addShape(pres.ShapeType.rect, {
  x: COL2_X, y: CXR_Y + 0.78, w: COL_W, h: 7.8,
  fill: { color: "111111" }, line: { color: "333333" }
});
slide.addImage({
  data: img1B64,
  x: COL2_X + 0.5, y: CXR_Y + 1.0, w: COL_W - 1.0, h: 6.8
});
// Annotation arrow label
slide.addShape(pres.ShapeType.rect, {
  x: COL2_X + 0.3, y: CXR_Y + 7.4, w: 8.5, h: 0.9,
  fill: { color: GOLD }, line: { color: GOLD }
});
slide.addText("▶  Retrocardiac opacity with sharp margins", {
  x: COL2_X + 0.3, y: CXR_Y + 7.4, w: 8.5, h: 0.9,
  fontSize: 19, fontFace: "Calibri", bold: true,
  color: "1A1A1A", valign: "middle"
});

// CT IMAGE + label
const CT_Y = CXR_Y + 8.85;
sectionBar(slide, COL2_X, CT_Y, COL_W, "CT ANGIOGRAPHY");
slide.addShape(pres.ShapeType.rect, {
  x: COL2_X, y: CT_Y + 0.78, w: COL_W, h: 8.5,
  fill: { color: "111111" }, line: { color: "333333" }
});
slide.addImage({
  data: img2B64,
  x: COL2_X + 0.2, y: CT_Y + 0.9, w: COL_W - 0.4, h: 7.9
});

// ──────────────────────────────────────────────────────────────────────────────
// RIGHT COLUMN
// ── OBSERVATIONS / RESULTS ──
sectionBar(slide, COL3_X, Y_START, COL_W, "IMAGING OBSERVATIONS");
contentPanel(slide, COL3_X, Y_START + 0.78, COL_W, 8.2);
slide.addText([
  { text: "Chest X-Ray (CXR):", options: { bold: true, color: NAVY, breakLine: true } },
  { text: "  • Retrocardiac homogeneous opacity", options: { breakLine: true } },
  { text: "  • Well-defined, sharp margins", options: { breakLine: true } },
  { text: "  • Left lower lobe location", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "CECT Angiography:", options: { bold: true, color: NAVY, breakLine: true } },
  { text: "  • Non-aerated, non-communicating lung parenchyma", options: { breakLine: true } },
  { text: "  • ", options: {} },
  { text: "Aberrant systemic arterial feeder", options: { bold: true, color: GOLD } },
  { text: " arising from the ", options: {} },
  { text: "descending thoracic aorta", options: { bold: true } },
  { text: "", options: { breakLine: true } },
  { text: "  • Venous drainage via ", options: {} },
  { text: "pulmonary vein", options: { bold: true } },
  { text: " (intralobar pattern)", options: { breakLine: true } },
  { text: "  • Parenchymal consolidation within sequestered segment", options: { breakLine: true } },
  { text: "  • No communication with the tracheobronchial tree confirmed", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Diagnosis Confirmed: ", options: { bold: true, color: TEAL } },
  { text: "Intralobar Bronchopulmonary Sequestration (ILS)", options: { bold: true } }
], {
  x: COL3_X + 0.25, y: Y_START + 0.9, w: COL_W - 0.45, h: 7.9,
  fontSize: 22, fontFace: "Calibri", color: DARK_GREY, valign: "top", wrap: true
});

// ── REVIEW OF LITERATURE ──
const ROL_Y = Y_START + 9.2;
sectionBar(slide, COL3_X, ROL_Y, COL_W, "REVIEW OF LITERATURE");
contentPanel(slide, COL3_X, ROL_Y + 0.78, COL_W, 8.8);
slide.addText([
  { text: "Classification:", options: { bold: true, color: TEAL, breakLine: true } },
  { text: "  • ILS: 75–85% of cases — within visceral pleura, venous drainage via pulmonary vein", options: { breakLine: true } },
  { text: "  • ELS: 15–25% — outside pleura, drains via systemic vein; often associated with other anomalies", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Pathophysiology:", options: { bold: true, color: TEAL, breakLine: true } },
  { text: "Impaired drainage & stasis → repeated infections → consolidation, cystic change, or bronchiectasis, mimicking TB / chronic infection", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Defining Imaging Feature:", options: { bold: true, color: TEAL, breakLine: true } },
  { text: "Aberrant systemic arterial feeder (most commonly from descending thoracic aorta)", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Investigation of Choice:", options: { bold: true, color: GOLD, breakLine: true } },
  { text: "CECT Angiography — delineates:", options: { breakLine: true } },
  { text: "  • Arterial supply  |  • Venous drainage  |  • Parenchymal changes  |  • Relationship to lung", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Management:", options: { bold: true, color: TEAL, breakLine: true } },
  { text: "Surgical resection (lobectomy) is curative. Early radiological diagnosis prevents prolonged ATT and avoids complications of recurrent infection.", options: {} }
], {
  x: COL3_X + 0.25, y: ROL_Y + 0.9, w: COL_W - 0.45, h: 8.5,
  fontSize: 21, fontFace: "Calibri", color: DARK_GREY, valign: "top", wrap: true
});

// ── CONCLUSION ──
const CONC_Y = ROL_Y + 9.8;
sectionBar(slide, COL3_X, CONC_Y, COL_W, "CONCLUSION");
slide.addShape(pres.ShapeType.rect, {
  x: COL3_X, y: CONC_Y + 0.78, w: COL_W, h: 4.4,
  fill: { color: NAVY }, line: { color: NAVY }
});
slide.addText([
  { text: "BPS is a rare but treatable condition whose radiological features ", options: {} },
  { text: "closely mimic chronic infection", options: { bold: true, color: "FFC966" } },
  { text: " in TB-endemic regions.", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "CECT angiography", options: { bold: true, color: "FFC966" } },
  { text: " is the cornerstone of diagnosis, confirming anomalous systemic arterial supply and guiding surgical planning.", options: { breakLine: true } },
  { text: " ", options: { breakLine: true, fontSize: 8 } },
  { text: "Radiologists must maintain a high index of suspicion", options: { bold: true, color: "A8D8EA" } },
  { text: " for BPS in patients with recurrent lower lobe consolidation unresponsive to standard therapy.", options: {} }
], {
  x: COL3_X + 0.25, y: CONC_Y + 0.9, w: COL_W - 0.45, h: 4.1,
  fontSize: 22, fontFace: "Calibri", color: WHITE, valign: "top", wrap: true
});

// ── REFERENCES ──
const REF_Y = CONC_Y + 5.4;
sectionBar(slide, COL3_X, REF_Y, COL_W, "REFERENCES");
contentPanel(slide, COL3_X, REF_Y + 0.78, COL_W, 2.4);
slide.addText([
  { text: "1. Corbett HJ & Humphrey GM. Pulmonary sequestration. Paediatr Respir Rev. 2004;5(1):59–68.", options: { breakLine: true } },
  { text: "2. Pryce DM. Lower accessory pulmonary artery with intralobar sequestration of lung. J Pathol. 1946;58:457–467.", options: { breakLine: true } },
  { text: "3. Savic B, et al. Lung sequestration: report of seven cases and review of 540 published cases. Thorax. 1979;34(1):96–101.", options: {} }
], {
  x: COL3_X + 0.2, y: REF_Y + 0.88, w: COL_W - 0.35, h: 2.2,
  fontSize: 17, fontFace: "Calibri", color: MID_GREY, valign: "top", wrap: true, italic: true
});

// ─── FOOTER ───────────────────────────────────────────────────────────────────
slide.addShape(pres.ShapeType.rect, {
  x: 0, y: 32.4, w: 46.8, h: 0.7,
  fill: { color: NAVY }, line: { color: NAVY }
});
slide.addText("Department of Radiodiagnosis  |  Bharati Vidyapeeth Medical College, Pune  |  AOCR 2025  |  Dr. Ishaan Wagh", {
  x: 0.5, y: 32.4, w: 46.8, h: 0.7,
  fontSize: 18, fontFace: "Calibri", color: "A8C8E0",
  align: "center", valign: "middle"
});

// ─── SAVE ─────────────────────────────────────────────────────────────────────
const outPath = "/home/daytona/workspace/pulm-seq-poster/AOCR_Pulmonary_Sequestration_Poster.pptx";
pres.writeFile({ fileName: outPath }).then(() => {
  console.log("Poster saved to: " + outPath);
}).catch(err => {
  console.error("Error:", err);
});

const pptxgen = require("pptxgenjs");
const fs = require("fs");

// ── Load all images as base64 ────────────────────────────────────────────────
const IMG_DIR = "/home/daytona/workspace/pulm-seq-poster/images/";

function b64(filename, mime) {
  return `${mime};base64,` + fs.readFileSync(IMG_DIR + filename).toString("base64");
}

const imgCXR     = b64("annotated_cxr.png",          "image/png");
const imgCT      = b64("annotated_ct.png",            "image/png");
const imgDiagram = b64("bps_anatomy_diagram.png",     "image/png");
const imgDiff    = b64("bps_differential_diagram.png","image/png");

// ── Colours ──────────────────────────────────────────────────────────────────
const NAVY        = "0D2B5C";
const TEAL        = "0B7B8E";
const WHITE       = "FFFFFF";
const DARK_GREY   = "1E1E1E";
const MID_GREY    = "4A4A4A";
const GOLD        = "C6922A";
const LIGHT_PANEL = "EEF4F8";
const BLACK_BG    = "101010";

// ── Poster setup ─────────────────────────────────────────────────────────────
let pres = new pptxgen();
pres.defineLayout({ name: "A0_LAND", width: 46.8, height: 33.1 });
pres.layout = "A0_LAND";
pres.title  = "AOCR 2025 – Pulmonary Sequestration Poster";

let slide = pres.addSlide();

// ── Full background ──────────────────────────────────────────────────────────
slide.addShape(pres.ShapeType.rect, {
  x:0, y:0, w:46.8, h:33.1, fill:{color:"EDF2F7"}, line:{color:"EDF2F7"}
});

// ═══════════════════════════════════════════════════════════════════════════════
// HEADER
// ═══════════════════════════════════════════════════════════════════════════════
slide.addShape(pres.ShapeType.rect, {
  x:0, y:0, w:46.8, h:4.6, fill:{color:NAVY}, line:{color:NAVY}
});
// Gold accent strip
slide.addShape(pres.ShapeType.rect, {
  x:0, y:4.6, w:46.8, h:0.2, fill:{color:GOLD}, line:{color:GOLD}
});

// Title
slide.addText(
  "A Congenital Impostor: Bronchopulmonary Sequestration\nMasquerading as Chronic Infection",
  { x:1.2, y:0.25, w:37.5, h:2.7,
    fontSize:50, fontFace:"Calibri", bold:true, color:WHITE,
    align:"left", valign:"middle", wrap:true }
);

// Authors
slide.addText(
  "Dr. Ishaan Wagh (JR II Radiology)  |  Co-author: Dr. Priscilla Joshi, Head of Department\nDepartment of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune",
  { x:1.2, y:3.05, w:37.5, h:1.35,
    fontSize:23, fontFace:"Calibri", color:"C8E6F0",
    align:"left", valign:"middle" }
);

// AOCR badge
slide.addShape(pres.ShapeType.rect, {
  x:42.1, y:0.3, w:4.4, h:4.0, fill:{color:TEAL}, line:{color:TEAL}
});
slide.addText("AOCR\n2025", {
  x:42.1, y:0.3, w:4.4, h:4.0,
  fontSize:44, fontFace:"Calibri", bold:true, color:WHITE,
  align:"center", valign:"middle"
});

// ═══════════════════════════════════════════════════════════════════════════════
// COLUMN POSITIONS
// ═══════════════════════════════════════════════════════════════════════════════
const C1 = 0.6,  C2 = 16.1, C3 = 31.6;
const CW = 14.8;
const Y0 = 5.1;

// ── Helpers ──────────────────────────────────────────────────────────────────
function secBar(x, y, w, label, color) {
  color = color || TEAL;
  slide.addShape(pres.ShapeType.rect,
    { x, y, w, h:0.72, fill:{color}, line:{color} });
  slide.addText(label, {
    x:x+0.18, y, w:w-0.18, h:0.72,
    fontSize:26, fontFace:"Calibri", bold:true, color:WHITE,
    valign:"middle", charSpacing:0.8
  });
}

function panel(x, y, w, h, bg) {
  bg = bg || WHITE;
  slide.addShape(pres.ShapeType.rect,
    { x, y, w, h, fill:{color:bg}, line:{color:"C8D6E5", width:1.0} });
}

function imgBox(x, y, w, h) {
  slide.addShape(pres.ShapeType.rect,
    { x, y, w, h, fill:{color:BLACK_BG}, line:{color:"2A2A2A", width:1.0} });
}

// ═══════════════════════════════════════════════════════════════════════════════
// LEFT COLUMN
// ═══════════════════════════════════════════════════════════════════════════════

// ── INTRODUCTION ─────────────────────────────────────────────────────────────
secBar(C1, Y0, CW, "INTRODUCTION");
panel(C1, Y0+0.74, CW, 7.0);
slide.addText([
  {text:"Bronchopulmonary Sequestration (BPS)", options:{bold:true, color:NAVY, breakLine:true}},
  {text:"A rare congenital malformation of the lung characterised by:", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"• Non-functioning pulmonary parenchyma", options:{breakLine:true}},
  {text:"• No communication with the tracheobronchial tree", options:{breakLine:true}},
  {text:"• Anomalous systemic arterial supply (most commonly the descending thoracic aorta)", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Prevalence: ", options:{bold:true, color:TEAL}},
  {text:"0.15–6.4% of congenital lung malformations", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Intralobar Sequestration (ILS): ", options:{bold:true, color:TEAL}},
  {text:"75–85% of all BPS cases. Lies within the visceral pleura. Typically presents in late childhood or adolescence with recurrent lower respiratory tract infections.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Clinical challenge: ", options:{bold:true, color:GOLD}},
  {text:"In TB-endemic regions like India, the imaging appearance closely mimics chronic pulmonary infection, leading to repeated misdiagnosis and unnecessary ATT.", options:{}}
], {
  x:C1+0.22, y:Y0+0.82, w:CW-0.4, h:6.8,
  fontSize:21, fontFace:"Calibri", color:DARK_GREY, valign:"top", wrap:true
});

// ── AIMS & OBJECTIVES ────────────────────────────────────────────────────────
const AO_Y = Y0 + 7.96;
secBar(C1, AO_Y, CW, "AIMS & OBJECTIVES");
panel(C1, AO_Y+0.74, CW, 4.3);
slide.addText([
  {text:"1. ", options:{bold:true, color:TEAL}},
  {text:"Describe the multimodality imaging features of BPS", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"2. ", options:{bold:true, color:TEAL}},
  {text:"Illustrate the pitfall of BPS mimicking chronic pulmonary infection / TB", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"3. ", options:{bold:true, color:TEAL}},
  {text:"Emphasise CECT angiography as the investigation of choice", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"4. ", options:{bold:true, color:TEAL}},
  {text:"Promote early radiological diagnosis to prevent unnecessary anti-tubercular therapy", options:{}}
], {
  x:C1+0.22, y:AO_Y+0.82, w:CW-0.4, h:4.1,
  fontSize:21, fontFace:"Calibri", color:DARK_GREY, valign:"top", wrap:true
});

// ── MATERIALS & METHODS ──────────────────────────────────────────────────────
const MM_Y = AO_Y + 5.26;
secBar(C1, MM_Y, CW, "MATERIALS & METHODS");
panel(C1, MM_Y+0.74, CW, 4.5);
slide.addText([
  {text:"Study type: ", options:{bold:true, color:TEAL}},
  {text:"Case Report", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Patient: ", options:{bold:true, color:TEAL}},
  {text:"Adolescent with recurrent LRTI, treated empirically for pulmonary TB without improvement", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Imaging used:", options:{bold:true, color:TEAL, breakLine:true}},
  {text:"  • Chest X-ray (PA view)", options:{breakLine:true}},
  {text:"  • Contrast-Enhanced CT Angiography (CECT)", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:6}},
  {text:"Setting: ", options:{bold:true, color:TEAL}},
  {text:"Bharati Vidyapeeth Medical College, Pune (TB-endemic region)", options:{}}
], {
  x:C1+0.22, y:MM_Y+0.82, w:CW-0.4, h:4.3,
  fontSize:21, fontFace:"Calibri", color:DARK_GREY, valign:"top", wrap:true
});

// ── REFERENCES ───────────────────────────────────────────────────────────────
const REF_Y = MM_Y + 5.46;
secBar(C1, REF_Y, CW, "REFERENCES");
panel(C1, REF_Y+0.74, CW, 3.0);
slide.addText([
  {text:"1. Corbett HJ & Humphrey GM. Pulmonary sequestration. Paediatr Respir Rev. 2004;5(1):59–68.", options:{breakLine:true}},
  {text:"2. Pryce DM. Lower accessory pulmonary artery with intralobar sequestration of lung. J Pathol. 1946;58:457–467.", options:{breakLine:true}},
  {text:"3. Savic B, et al. Lung sequestration: report of 7 cases and review of 540 cases. Thorax. 1979;34:96–101.", options:{breakLine:true}},
  {text:"4. Guru Murthy GS, et al. Pulmonary sequestration: a diagnostic dilemma. Indian J Radiol Imaging. 2010.", options:{}}
], {
  x:C1+0.2, y:REF_Y+0.82, w:CW-0.36, h:2.8,
  fontSize:17, fontFace:"Calibri", color:MID_GREY,
  valign:"top", wrap:true, italic:true
});

// ═══════════════════════════════════════════════════════════════════════════════
// CENTRE COLUMN
// ═══════════════════════════════════════════════════════════════════════════════

// ── CASE PRESENTATION ────────────────────────────────────────────────────────
secBar(C2, Y0, CW, "CASE PRESENTATION");
panel(C2, Y0+0.74, CW, 4.2);
slide.addText([
  {text:"A patient presented with ", options:{}},
  {text:"recurrent lower respiratory tract infections", options:{bold:true}},
  {text:". In the context of a TB-endemic region, ", options:{}},
  {text:"anti-tubercular therapy (ATT)", options:{bold:true}},
  {text:" was initiated — with no clinical improvement.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:7}},
  {text:"Chest X-ray showed a ", options:{}},
  {text:"retrocardiac homogeneous opacity with sharp margins", options:{bold:true, color:GOLD}},
  {text:" in the left lower zone — raising suspicion for a structural or congenital aetiology.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:7}},
  {text:"CECT angiography ", options:{bold:true, color:TEAL}},
  {text:"was performed and demonstrated the ", options:{}},
  {text:"aberrant systemic arterial feeder", options:{bold:true}},
  {text:", confirming the diagnosis of Intralobar BPS.", options:{}}
], {
  x:C2+0.22, y:Y0+0.82, w:CW-0.4, h:4.0,
  fontSize:21, fontFace:"Calibri", color:DARK_GREY, valign:"top", wrap:true
});

// ── CXR IMAGE (annotated) ─────────────────────────────────────────────────────
const CXR_Y = Y0 + 5.16;
secBar(C2, CXR_Y, CW, "FIG 1 — CHEST X-RAY (ANNOTATED)");
imgBox(C2, CXR_Y+0.74, CW, 8.5);
slide.addImage({ data:imgCXR, x:C2+0.5, y:CXR_Y+0.9, w:CW-1.0, h:8.1 });

// ── CT IMAGE (annotated) ──────────────────────────────────────────────────────
const CT_Y = CXR_Y + 9.46;
secBar(C2, CT_Y, CW, "FIG 2 — CECT ANGIOGRAPHY (ANNOTATED)");
imgBox(C2, CT_Y+0.74, CW, 9.0);
slide.addImage({ data:imgCT, x:C2+0.2, y:CT_Y+0.85, w:CW-0.4, h:8.5 });

// ── Colour key legend ─────────────────────────────────────────────────────────
const LEG_Y = CT_Y + 9.96;
panel(C2, LEG_Y, CW, 1.6, "F0F4F8");
slide.addText("Annotation Key:", {
  x:C2+0.2, y:LEG_Y+0.08, w:CW-0.4, h:0.45,
  fontSize:20, fontFace:"Calibri", bold:true, color:NAVY
});
// Yellow box
slide.addShape(pres.ShapeType.rect,
  {x:C2+0.2, y:LEG_Y+0.6, w:0.4, h:0.3, fill:{color:"FFC800"}, line:{color:"FFC800"}});
slide.addText("Sequestered segment", {x:C2+0.7, y:LEG_Y+0.57, w:3.8, h:0.35, fontSize:17, fontFace:"Calibri", color:DARK_GREY});
// Red
slide.addShape(pres.ShapeType.rect,
  {x:C2+5.0, y:LEG_Y+0.6, w:0.4, h:0.3, fill:{color:"FF3C3C"}, line:{color:"FF3C3C"}});
slide.addText("Aberrant aortic feeder", {x:C2+5.5, y:LEG_Y+0.57, w:4.0, h:0.35, fontSize:17, fontFace:"Calibri", color:DARK_GREY});
// Blue
slide.addShape(pres.ShapeType.rect,
  {x:C2+10.0, y:LEG_Y+0.6, w:0.4, h:0.3, fill:{color:"64C8FF"}, line:{color:"64C8FF"}});
slide.addText("Pulmonary vein drainage", {x:C2+10.5, y:LEG_Y+0.57, w:4.0, h:0.35, fontSize:17, fontFace:"Calibri", color:DARK_GREY});

// ═══════════════════════════════════════════════════════════════════════════════
// RIGHT COLUMN
// ═══════════════════════════════════════════════════════════════════════════════

// ── IMAGING OBSERVATIONS ─────────────────────────────────────────────────────
secBar(C3, Y0, CW, "IMAGING OBSERVATIONS");
panel(C3, Y0+0.74, CW, 7.6);
slide.addText([
  {text:"Chest X-Ray (CXR — PA view):", options:{bold:true, color:NAVY, breakLine:true}},
  {text:"  • Retrocardiac homogeneous opacity", options:{breakLine:true}},
  {text:"  • Well-defined, sharp margins", options:{breakLine:true}},
  {text:"  • Left lower lobe location", options:{breakLine:true}},
  {text:"  • No associated mediastinal shift or volume loss", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:7}},
  {text:"CECT Angiography:", options:{bold:true, color:NAVY, breakLine:true}},
  {text:"  • Non-aerated, consolidated sequestered lung parenchyma", options:{breakLine:true}},
  {text:"  • ", options:{}},
  {text:"Aberrant systemic artery", options:{bold:true, color:"CC3333"}},
  {text:" arising directly from the ", options:{}},
  {text:"descending thoracic aorta", options:{bold:true}},
  {text:"", options:{breakLine:true}},
  {text:"  • ", options:{}},
  {text:"Venous drainage via left pulmonary vein", options:{bold:true, color:"1E7DC8"}},
  {text:" — confirming ILS pattern", options:{breakLine:true}},
  {text:"  • No communication with tracheobronchial tree", options:{breakLine:true}},
  {text:"  • Left lower lobe consolidation within sequestered segment", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:7}},
  {text:"Final Diagnosis: ", options:{bold:true, color:TEAL}},
  {text:"Intralobar Bronchopulmonary Sequestration (ILS)", options:{bold:true}}
], {
  x:C3+0.22, y:Y0+0.82, w:CW-0.4, h:7.4,
  fontSize:21, fontFace:"Calibri", color:DARK_GREY, valign:"top", wrap:true
});

// ── BPS ANATOMY DIAGRAM ───────────────────────────────────────────────────────
const DIAG1_Y = Y0 + 8.56;
secBar(C3, DIAG1_Y, CW, "FIG 3 — BPS ANATOMY SCHEMATIC");
imgBox(C3, DIAG1_Y+0.74, CW, 8.2);
slide.addImage({ data:imgDiagram, x:C3+0.2, y:DIAG1_Y+0.85, w:CW-0.4, h:7.8 });

// ── DIFFERENTIAL DIAGRAM ──────────────────────────────────────────────────────
const DIAG2_Y = DIAG1_Y + 9.16;
secBar(C3, DIAG2_Y, CW, "FIG 4 — BPS vs. CHRONIC INFECTION");
imgBox(C3, DIAG2_Y+0.74, CW, 7.0);
slide.addImage({ data:imgDiff, x:C3+0.2, y:DIAG2_Y+0.85, w:CW-0.4, h:6.6 });

// ── CONCLUSION (right col, bottom) ────────────────────────────────────────────
const CONC_Y = DIAG2_Y + 7.96;
secBar(C3, CONC_Y, CW, "CONCLUSION", NAVY);
slide.addShape(pres.ShapeType.rect,
  {x:C3, y:CONC_Y+0.74, w:CW, h:4.4, fill:{color:NAVY}, line:{color:NAVY}});
slide.addText([
  {text:"BPS is a rare but curable condition that ", options:{}},
  {text:"closely mimics chronic infection", options:{bold:true, color:"FFC966"}},
  {text:" in TB-endemic settings, making radiological vigilance essential.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:8}},
  {text:"CECT angiography ", options:{bold:true, color:"FFC966"}},
  {text:"is the investigation of choice — it uniquely identifies the aberrant aortic feeder and confirms the diagnosis.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:8}},
  {text:"Early diagnosis ", options:{bold:true, color:"A8D8EA"}},
  {text:"prevents prolonged inappropriate ATT and enables curative surgical resection (lobectomy).", options:{}}
], {
  x:C3+0.22, y:CONC_Y+0.86, w:CW-0.4, h:4.1,
  fontSize:21, fontFace:"Calibri", color:WHITE, valign:"top", wrap:true
});

// ═══════════════════════════════════════════════════════════════════════════════
// FOOTER
// ═══════════════════════════════════════════════════════════════════════════════
slide.addShape(pres.ShapeType.rect,
  {x:0, y:32.4, w:46.8, h:0.7, fill:{color:NAVY}, line:{color:NAVY}});
slide.addText(
  "Department of Radiodiagnosis  |  Bharati Vidyapeeth Medical College, Pune  |  AOCR 2025  |  Dr. Ishaan Wagh",
  {x:0.5, y:32.4, w:46.8, h:0.7,
   fontSize:18, fontFace:"Calibri", color:"A8C8E0", align:"center", valign:"middle"}
);

// ── Save ─────────────────────────────────────────────────────────────────────
const out = "/home/daytona/workspace/pulm-seq-poster/AOCR_Pulmonary_Sequestration_Poster_v2.pptx";
pres.writeFile({ fileName: out }).then(() => {
  console.log("Saved: " + out);
}).catch(err => console.error(err));

"""
AOCR 2025 – Pulmonary Sequestration Poster
Format: PDF, Portrait 9:16, single page
File: 257_Ishaan Wagh.pdf
"""

from reportlab.lib.pagesizes import A4
from reportlab.lib.units import mm, inch
from reportlab.lib import colors
from reportlab.pdfgen import canvas
from reportlab.lib.utils import ImageReader
from reportlab.platypus import Paragraph, Frame
from reportlab.lib.styles import ParagraphStyle
from reportlab.lib.enums import TA_LEFT, TA_CENTER, TA_JUSTIFY
from PIL import Image as PILImage
import io, os, textwrap

# ─── Page dimensions: 9:16 portrait ──────────────────────────────────────────
# Use 1080 × 1920 pt equivalent  →  width=1080pt, height=1920pt (15" × 26.67")
# Or more printable: A-series 9:16 → 210mm × 373.3mm
W_MM = 210
H_MM = 373.3
W = W_MM * mm
H = H_MM * mm

OUTPUT = "/home/daytona/workspace/pulm-seq-poster/257_Ishaan Wagh.pdf"
IMG_DIR = "/home/daytona/workspace/pulm-seq-poster/images/"

# ─── Colours (R,G,B 0-1) ─────────────────────────────────────────────────────
NAVY        = colors.HexColor("#0D2B5C")
TEAL        = colors.HexColor("#0B7B8E")
GOLD        = colors.HexColor("#C6922A")
WHITE       = colors.white
LIGHT_BG    = colors.HexColor("#EDF2F7")
PANEL_BG    = colors.HexColor("#FFFFFF")
DARK_TEXT   = colors.HexColor("#1E1E1E")
MID_TEXT    = colors.HexColor("#4A4A4A")
LIGHT_BLUE  = colors.HexColor("#C8E6F0")
BORDER_COL  = colors.HexColor("#C8D6E5")
RED_ANN     = colors.HexColor("#CC3333")
BLUE_ANN    = colors.HexColor("#1E7DC8")
BLACK_IMG   = colors.HexColor("#101010")

# ─── Canvas ──────────────────────────────────────────────────────────────────
c = canvas.Canvas(OUTPUT, pagesize=(W, H))
c.setTitle("Bronchopulmonary Sequestration – AOCR 2025")
c.setAuthor("Dr. Ishaan Wagh")

# ─── Helpers ─────────────────────────────────────────────────────────────────
def rect(x, y, w, h, fill=None, stroke=None, lw=0.5):
    c.saveState()
    if fill:
        c.setFillColor(fill)
    if stroke:
        c.setStrokeColor(stroke)
        c.setLineWidth(lw)
    if fill and stroke:
        c.rect(x, y, w, h, fill=1, stroke=1)
    elif fill:
        c.rect(x, y, w, h, fill=1, stroke=0)
    elif stroke:
        c.rect(x, y, w, h, fill=0, stroke=1)
    c.restoreState()

def section_bar(x, y, w, h, label, font_size=7.5, bg=None):
    bg = bg or TEAL
    rect(x, y, w, h, fill=bg)
    c.saveState()
    c.setFillColor(WHITE)
    c.setFont("Helvetica-Bold", font_size)
    c.drawString(x + 2*mm, y + h*0.28, label)
    c.restoreState()

def wrapped_text(x, y, w, h, text, font="Helvetica", size=6.5, color=DARK_TEXT,
                 leading=None, align=TA_LEFT):
    """Draw wrapped paragraph inside a box (top-left origin in PDF = bottom-left)."""
    if leading is None:
        leading = size * 1.35
    style = ParagraphStyle(
        "body",
        fontName=font,
        fontSize=size,
        textColor=color,
        leading=leading,
        alignment=align,
        spaceAfter=0,
        spaceBefore=0,
    )
    p = Paragraph(text, style)
    pw, ph = p.wrap(w, h)
    # PDF y=0 is bottom; Paragraph draws from top-left, so flip:
    p.drawOn(c, x, y + h - ph)

def embed_image(path, x, y, w, h, bg=BLACK_IMG):
    """Draw black background then image, preserving aspect ratio with letterbox."""
    rect(x, y, w, h, fill=bg)
    try:
        img = PILImage.open(path)
        iw, ih = img.size
        aspect = iw / ih
        box_aspect = w / h
        if aspect > box_aspect:
            dw = w
            dh = w / aspect
            dx = x
            dy = y + (h - dh) / 2
        else:
            dh = h
            dw = h * aspect
            dx = x + (w - dw) / 2
            dy = y
        c.drawImage(ImageReader(path), dx, dy, dw, dh, mask="auto")
    except Exception as e:
        c.saveState()
        c.setFillColor(colors.red)
        c.setFont("Helvetica", 5)
        c.drawString(x + 2*mm, y + h/2, f"[Image error: {e}]")
        c.restoreState()

# ─── Layout constants ─────────────────────────────────────────────────────────
PAD = 3.5 * mm     # outer margin
GAP = 2.5 * mm     # column gap
INNER = 2.0 * mm   # inner text padding
SB_H = 6.5 * mm    # section bar height

# Two columns
COL_W = (W - 2*PAD - GAP) / 2
C1_X  = PAD
C2_X  = PAD + COL_W + GAP

# ─────────────────────────────────────────────────────────────────────────────
# BACKGROUND
# ─────────────────────────────────────────────────────────────────────────────
rect(0, 0, W, H, fill=LIGHT_BG)

# ─────────────────────────────────────────────────────────────────────────────
# HEADER  (top of page = H, working down in ReportLab coords)
# ─────────────────────────────────────────────────────────────────────────────
HDR_H = 28 * mm
HDR_Y = H - HDR_H

rect(0, HDR_Y, W, HDR_H, fill=NAVY)
# Gold accent bottom of header
rect(0, HDR_Y - 1.2*mm, W, 1.2*mm, fill=GOLD)

# AOCR badge (right side)
BADGE_W = 18*mm
BADGE_H = HDR_H - 4*mm
BADGE_X = W - PAD - BADGE_W
BADGE_Y = HDR_Y + 2*mm
rect(BADGE_X, BADGE_Y, BADGE_W, BADGE_H, fill=TEAL)
c.saveState()
c.setFillColor(WHITE)
c.setFont("Helvetica-Bold", 9)
c.drawCentredString(BADGE_X + BADGE_W/2, BADGE_Y + BADGE_H*0.62, "AOCR")
c.setFont("Helvetica-Bold", 8)
c.drawCentredString(BADGE_X + BADGE_W/2, BADGE_Y + BADGE_H*0.28, "2025")
c.restoreState()

# Title text
TITLE_X = PAD + INNER
TITLE_W = BADGE_X - TITLE_X - 2*mm
wrapped_text(
    TITLE_X, HDR_Y + 11*mm, TITLE_W, 14*mm,
    "<b>A Congenital Impostor: Bronchopulmonary Sequestration<br/>Masquerading as Chronic Infection</b>",
    font="Helvetica-Bold", size=9.5, color=WHITE, leading=12.5, align=TA_LEFT
)
wrapped_text(
    TITLE_X, HDR_Y + 2.5*mm, TITLE_W, 9*mm,
    "Dr. Ishaan Wagh (JR II Radiology)  |  Co-author: Dr. Priscilla Joshi, Head of Department<br/>"
    "Department of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune",
    font="Helvetica", size=6.8, color=LIGHT_BLUE, leading=9.0, align=TA_LEFT
)

# ─────────────────────────────────────────────────────────────────────────────
# CURRENT Y cursor (working downward)
# ─────────────────────────────────────────────────────────────────────────────
CY = HDR_Y - 1.2*mm - 2.5*mm   # just below gold strip + small gap

# ─────────────────────────────────────────────────────────────────────────────
# LEFT COLUMN  ─────────────────────────────────────────────────────────────────
# ─────────────────────────────────────────────────────────────────────────────

L_Y = CY   # left column y cursor (moving DOWN = subtracting)

# ── INTRODUCTION ──────────────────────────────────────────────────────────────
INTRO_H = 40 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "INTRODUCTION")
rect(C1_X, L_Y - SB_H - INTRO_H, COL_W, INTRO_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - INTRO_H + INNER,
    COL_W - 2*INNER, INTRO_H - 2*INNER,
    "<b><font color='#0D2B5C'>Bronchopulmonary Sequestration (BPS)</font></b> is a rare congenital malformation characterised by:<br/><br/>"
    "• Non-functioning pulmonary parenchyma<br/>"
    "• No communication with the tracheobronchial tree<br/>"
    "• Anomalous <b>systemic arterial supply</b> (most commonly descending thoracic aorta)<br/><br/>"
    "<b>Prevalence:</b> 0.15–6.4% of congenital lung malformations<br/><br/>"
    "<b><font color='#0B7B8E'>Intralobar Sequestration (ILS):</font></b> 75–85% of BPS cases. Presents in late childhood with recurrent LRTI.<br/><br/>"
    "<b><font color='#C6922A'>Clinical challenge:</font></b> In TB-endemic regions, BPS closely mimics chronic pulmonary infection, leading to prolonged inappropriate ATT.",
    size=6.4, leading=9.0
)
L_Y -= (SB_H + INTRO_H + GAP)

# ── AIMS & OBJECTIVES ─────────────────────────────────────────────────────────
AIMS_H = 28 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "AIMS & OBJECTIVES")
rect(C1_X, L_Y - SB_H - AIMS_H, COL_W, AIMS_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - AIMS_H + INNER,
    COL_W - 2*INNER, AIMS_H - 2*INNER,
    "<b><font color='#0B7B8E'>1.</font></b> Describe multimodality imaging features of BPS<br/>"
    "<b><font color='#0B7B8E'>2.</font></b> Illustrate the pitfall of BPS mimicking chronic infection/TB<br/>"
    "<b><font color='#0B7B8E'>3.</font></b> Emphasise CECT angiography as investigation of choice<br/>"
    "<b><font color='#0B7B8E'>4.</font></b> Promote early diagnosis to prevent unnecessary ATT",
    size=6.4, leading=9.2
)
L_Y -= (SB_H + AIMS_H + GAP)

# ── MATERIALS & METHODS ───────────────────────────────────────────────────────
MM_H = 28 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "MATERIALS & METHODS")
rect(C1_X, L_Y - SB_H - MM_H, COL_W, MM_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - MM_H + INNER,
    COL_W - 2*INNER, MM_H - 2*INNER,
    "<b><font color='#0B7B8E'>Study type:</font></b> Case Report<br/><br/>"
    "<b><font color='#0B7B8E'>Patient:</font></b> Adolescent with recurrent LRTI, empirically treated for pulmonary TB without improvement<br/><br/>"
    "<b><font color='#0B7B8E'>Imaging:</font></b> Chest X-ray (PA view); Contrast-Enhanced CT Angiography (CECT)<br/><br/>"
    "<b><font color='#0B7B8E'>Setting:</font></b> Dept. of Radiodiagnosis, BVMC Pune",
    size=6.4, leading=9.2
)
L_Y -= (SB_H + MM_H + GAP)

# ── CASE PRESENTATION ─────────────────────────────────────────────────────────
CASE_H = 28 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "CASE PRESENTATION")
rect(C1_X, L_Y - SB_H - CASE_H, COL_W, CASE_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - CASE_H + INNER,
    COL_W - 2*INNER, CASE_H - 2*INNER,
    "Patient presented with <b>recurrent lower respiratory tract infections</b>. "
    "Prior workup led to <b>initiation of ATT</b> in a TB-endemic setting — with no improvement.<br/><br/>"
    "CXR showed a <b><font color='#C6922A'>retrocardiac opacity with sharp margins</font></b> in the LLL. "
    "CECT angiography was performed and revealed an <b>aberrant aortic feeder</b>, confirming <b>ILS</b>.",
    size=6.4, leading=9.2
)
L_Y -= (SB_H + CASE_H + GAP)

# ── FIG 1 — ANNOTATED CXR ─────────────────────────────────────────────────────
CXR_IMG_H = 52 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "FIG 1 — CHEST X-RAY (ANNOTATED)")
embed_image(
    IMG_DIR + "annotated_cxr.png",
    C1_X, L_Y - SB_H - CXR_IMG_H, COL_W, CXR_IMG_H
)
L_Y -= (SB_H + CXR_IMG_H + GAP)

# ── REVIEW OF LITERATURE ──────────────────────────────────────────────────────
ROL_H = 42 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "REVIEW OF LITERATURE")
rect(C1_X, L_Y - SB_H - ROL_H, COL_W, ROL_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - ROL_H + INNER,
    COL_W - 2*INNER, ROL_H - 2*INNER,
    "<b><font color='#0B7B8E'>Classification:</font></b> ILS (75–85%, within visceral pleura, pulmonary vein drainage) vs. ELS (15–25%, outside pleura, systemic vein drainage, associated anomalies)<br/><br/>"
    "<b><font color='#0B7B8E'>Pathophysiology:</font></b> Impaired drainage → stasis → repeated infections → consolidation/cystic change/bronchiectasis, mimicking TB<br/><br/>"
    "<b><font color='#0B7B8E'>Defining feature:</font></b> Aberrant systemic arterial feeder (descending thoracic aorta)<br/><br/>"
    "<b><font color='#C6922A'>Investigation of choice:</font></b> CECT angiography — delineates arterial supply, venous drainage, parenchymal changes<br/><br/>"
    "<b><font color='#0B7B8E'>Management:</font></b> Surgical resection (lobectomy) — curative. Early diagnosis prevents prolonged ATT.",
    size=6.4, leading=9.0
)
L_Y -= (SB_H + ROL_H + GAP)

# ── REFERENCES ────────────────────────────────────────────────────────────────
REF_H = 22 * mm
section_bar(C1_X, L_Y - SB_H, COL_W, SB_H, "REFERENCES")
rect(C1_X, L_Y - SB_H - REF_H, COL_W, REF_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C1_X + INNER, L_Y - SB_H - REF_H + INNER,
    COL_W - 2*INNER, REF_H - 2*INNER,
    "<i>1. Corbett HJ &amp; Humphrey GM. Pulmonary sequestration. Paediatr Respir Rev. 2004;5(1):59–68.<br/>"
    "2. Pryce DM. Lower accessory pulmonary artery with ILS of lung. J Pathol. 1946;58:457–467.<br/>"
    "3. Savic B et al. Lung sequestration: review of 540 cases. Thorax. 1979;34:96–101.<br/>"
    "4. Guru Murthy GS et al. Pulmonary sequestration: a diagnostic dilemma. IJRI. 2010.</i>",
    size=5.8, color=MID_TEXT, leading=8.5
)
L_Y -= (SB_H + REF_H)

# ─────────────────────────────────────────────────────────────────────────────
# RIGHT COLUMN  ────────────────────────────────────────────────────────────────
# ─────────────────────────────────────────────────────────────────────────────

R_Y = CY

# ── IMAGING OBSERVATIONS ──────────────────────────────────────────────────────
OBS_H = 44 * mm
section_bar(C2_X, R_Y - SB_H, COL_W, SB_H, "IMAGING OBSERVATIONS")
rect(C2_X, R_Y - SB_H - OBS_H, COL_W, OBS_H, fill=PANEL_BG, stroke=BORDER_COL)
wrapped_text(
    C2_X + INNER, R_Y - SB_H - OBS_H + INNER,
    COL_W - 2*INNER, OBS_H - 2*INNER,
    "<b><font color='#0D2B5C'>Chest X-Ray (CXR — PA view):</font></b><br/>"
    "• Retrocardiac homogeneous opacity, well-defined sharp margins<br/>"
    "• Left lower lobe location; no mediastinal shift or volume loss<br/><br/>"
    "<b><font color='#0D2B5C'>CECT Angiography:</font></b><br/>"
    "• Non-aerated, consolidated sequestered lung parenchyma<br/>"
    "• <b><font color='#CC3333'>Aberrant systemic artery</font></b> arising from the <b>descending thoracic aorta</b><br/>"
    "• <b><font color='#1E7DC8'>Venous drainage via left pulmonary vein</font></b> — confirming ILS pattern<br/>"
    "• No communication with the tracheobronchial tree<br/>"
    "• Left lower lobe consolidation within sequestered segment<br/><br/>"
    "<b><font color='#0B7B8E'>Final Diagnosis:</font></b> <b>Intralobar Bronchopulmonary Sequestration (ILS)</b>",
    size=6.4, leading=9.0
)
R_Y -= (SB_H + OBS_H + GAP)

# ── FIG 2 — ANNOTATED CT ──────────────────────────────────────────────────────
CT_IMG_H = 42 * mm
section_bar(C2_X, R_Y - SB_H, COL_W, SB_H, "FIG 2 — CECT ANGIOGRAPHY (ANNOTATED)")
embed_image(
    IMG_DIR + "annotated_ct.png",
    C2_X, R_Y - SB_H - CT_IMG_H, COL_W, CT_IMG_H
)
# Colour key beneath CT
KEY_H = 7 * mm
KEY_Y = R_Y - SB_H - CT_IMG_H - KEY_H
rect(C2_X, KEY_Y, COL_W, KEY_H, fill=colors.HexColor("#F0F4F8"), stroke=BORDER_COL)
KX = C2_X + 2*mm
KY = KEY_Y + 1.8*mm
BOX = 3*mm
c.saveState()
# Yellow
c.setFillColor(colors.HexColor("#FFC800")); c.rect(KX, KY, BOX, BOX, fill=1, stroke=0)
c.setFillColor(DARK_TEXT); c.setFont("Helvetica", 5.5); c.drawString(KX + BOX + 1.2*mm, KY+0.5*mm, "Sequestered segment")
# Red
RX2 = KX + 33*mm
c.setFillColor(colors.HexColor("#FF3C3C")); c.rect(RX2, KY, BOX, BOX, fill=1, stroke=0)
c.setFillColor(DARK_TEXT); c.drawString(RX2 + BOX + 1.2*mm, KY+0.5*mm, "Aortic feeder")
# Blue
BX2 = RX2 + 26*mm
c.setFillColor(colors.HexColor("#1E7DC8")); c.rect(BX2, KY, BOX, BOX, fill=1, stroke=0)
c.setFillColor(DARK_TEXT); c.drawString(BX2 + BOX + 1.2*mm, KY+0.5*mm, "Pulmonary vein")
c.restoreState()
R_Y -= (SB_H + CT_IMG_H + KEY_H + GAP)

# ── FIG 3 — BPS ANATOMY DIAGRAM ───────────────────────────────────────────────
DIAG1_H = 52 * mm
section_bar(C2_X, R_Y - SB_H, COL_W, SB_H, "FIG 3 — BPS ANATOMY SCHEMATIC")
embed_image(
    IMG_DIR + "bps_anatomy_diagram.png",
    C2_X, R_Y - SB_H - DIAG1_H, COL_W, DIAG1_H
)
R_Y -= (SB_H + DIAG1_H + GAP)

# ── FIG 4 — BPS vs CHRONIC INFECTION ─────────────────────────────────────────
DIAG2_H = 52 * mm
section_bar(C2_X, R_Y - SB_H, COL_W, SB_H, "FIG 4 — BPS vs. CHRONIC INFECTION")
embed_image(
    IMG_DIR + "bps_differential_diagram.png",
    C2_X, R_Y - SB_H - DIAG2_H, COL_W, DIAG2_H
)
R_Y -= (SB_H + DIAG2_H + GAP)

# ── CONCLUSION ────────────────────────────────────────────────────────────────
CONC_H = 30 * mm
section_bar(C2_X, R_Y - SB_H, COL_W, SB_H, "CONCLUSION", bg=NAVY)
rect(C2_X, R_Y - SB_H - CONC_H, COL_W, CONC_H, fill=NAVY)
wrapped_text(
    C2_X + INNER, R_Y - SB_H - CONC_H + INNER,
    COL_W - 2*INNER, CONC_H - 2*INNER,
    "<b>BPS is a rare but curable condition</b> that <font color='#FFC966'><b>closely mimics chronic infection</b></font> "
    "in TB-endemic settings, making radiological vigilance essential.<br/><br/>"
    "<font color='#FFC966'><b>CECT angiography</b></font> is the cornerstone of diagnosis, confirming the anomalous "
    "aortic feeder and guiding surgical planning.<br/><br/>"
    "<font color='#A8D8EA'><b>Early diagnosis</b></font> prevents prolonged ATT and enables "
    "curative surgical resection (lobectomy).",
    font="Helvetica", size=6.4, color=WHITE, leading=9.2
)
R_Y -= (SB_H + CONC_H)

# ─────────────────────────────────────────────────────────────────────────────
# FOOTER
# ─────────────────────────────────────────────────────────────────────────────
FOOTER_H = 7 * mm
rect(0, 0, W, FOOTER_H, fill=NAVY)
c.saveState()
c.setFillColor(colors.HexColor("#A8C8E0"))
c.setFont("Helvetica", 6.0)
c.drawCentredString(
    W / 2, FOOTER_H * 0.38,
    "Dept. of Radiodiagnosis  |  Bharati Vidyapeeth Medical College, Pune  |  AOCR 2025  |  Paper No. 257  |  Dr. Ishaan Wagh"
)
c.restoreState()

# ─────────────────────────────────────────────────────────────────────────────
# SAVE
# ─────────────────────────────────────────────────────────────────────────────
c.showPage()
c.save()
print(f"PDF saved: {OUTPUT}")

# Verify dimensions
from pypdf import PdfReader
r = PdfReader(OUTPUT)
pg = r.pages[0]
print(f"Page size: {float(pg.mediabox.width):.1f} x {float(pg.mediabox.height):.1f} pt")
print(f"Ratio: 1:{float(pg.mediabox.height)/float(pg.mediabox.width):.3f}")
print(f"Pages: {len(r.pages)}")

const pptxgen = require("pptxgenjs");
const fs = require("fs");

// ── Images ───────────────────────────────────────────────────────────────────
const DIR = "/home/daytona/workspace/pulm-seq-poster/images/";
const b64 = (f, mime) => `${mime};base64,` + fs.readFileSync(DIR + f).toString("base64");

const imgCXR     = b64("annotated_cxr.png",           "image/png");
const imgCT      = b64("annotated_ct.png",             "image/png");
const imgDiagram = b64("bps_anatomy_diagram.png",      "image/png");
const imgDiff    = b64("bps_differential_diagram.png", "image/png");

// ── Colours ──────────────────────────────────────────────────────────────────
const NAVY   = "0D2B5C";
const TEAL   = "0B7B8E";
const GOLD   = "C6922A";
const WHITE  = "FFFFFF";
const DGREY  = "1E1E1E";
const MGREY  = "4A4A4A";
const LBG    = "EDF2F7";
const PANEL  = "FFFFFF";
const BORDER = "C8D6E5";
const BLKBG  = "101010";
const LBLUE  = "C8E6F0";

// ── Portrait 9:16 slide (1080×1920 pt → 15"×26.667") ────────────────────────
let pres = new pptxgen();
// 9:16 portrait: width=10.125", height=18" (standard 9:16)
const W = 10.125, H = 18.0;
pres.defineLayout({ name: "PORTRAIT_9x16", width: W, height: H });
pres.layout = "PORTRAIT_9x16";
pres.title  = "257_Ishaan Wagh – AOCR 2025 Poster";

let slide = pres.addSlide();

// ── Background ───────────────────────────────────────────────────────────────
slide.addShape(pres.ShapeType.rect, { x:0, y:0, w:W, h:H, fill:{color:LBORDER}, line:{color:LBG} });

// fix typo
slide.addShape(pres.ShapeType.rect, { x:0, y:0, w:W, h:H, fill:{color:"EDF2F7"}, line:{color:"EDF2F7"} });

// ── HELPERS ──────────────────────────────────────────────────────────────────
const PAD  = 0.18;  // outer margin
const GAP  = 0.14;  // column gap
const SBH  = 0.32;  // section bar height
const CW   = (W - 2*PAD - GAP) / 2;
const C1   = PAD;
const C2   = PAD + CW + GAP;

function sBar(x, y, w, label, bg) {
  bg = bg || TEAL;
  slide.addShape(pres.ShapeType.rect, { x, y, w, h:SBH, fill:{color:bg}, line:{color:bg} });
  slide.addText(label, {
    x:x+0.08, y, w:w-0.08, h:SBH,
    fontSize:9.5, fontFace:"Calibri", bold:true, color:WHITE,
    valign:"middle", charSpacing:0.4
  });
}

function panel(x, y, w, h, bg) {
  bg = bg || PANEL;
  slide.addShape(pres.ShapeType.rect,
    { x, y, w, h, fill:{color:bg}, line:{color:BORDER, width:0.75} });
}

function imgBox(x, y, w, h) {
  slide.addShape(pres.ShapeType.rect,
    { x, y, w, h, fill:{color:BLKBG}, line:{color:"2A2A2A", width:0.75} });
}

function bodyText(x, y, w, h, runs, sz) {
  sz = sz || 6.0;
  slide.addText(runs, {
    x, y, w, h,
    fontSize:sz, fontFace:"Calibri", color:DGREY,
    valign:"top", wrap:true,
    paraSpaceAfter:1.5
  });
}

// ═══════════════════════════════════════════════════════════════════════════
// HEADER
// ═══════════════════════════════════════════════════════════════════════════
const HDR_H = 1.55;
slide.addShape(pres.ShapeType.rect, { x:0, y:0, w:W, h:HDR_H, fill:{color:NAVY}, line:{color:NAVY} });
slide.addShape(pres.ShapeType.rect, { x:0, y:HDR_H, w:W, h:0.06, fill:{color:GOLD}, line:{color:GOLD} });

// AOCR badge
const BW=0.85, BH=1.3, BX=W-PAD-BW, BY=0.12;
slide.addShape(pres.ShapeType.rect, { x:BX, y:BY, w:BW, h:BH, fill:{color:TEAL}, line:{color:TEAL} });
slide.addText("AOCR\n2025", { x:BX, y:BY, w:BW, h:BH,
  fontSize:18, fontFace:"Calibri", bold:true, color:WHITE, align:"center", valign:"middle" });

// Title
slide.addText(
  "A Congenital Impostor: Bronchopulmonary Sequestration\nMasquerading as Chronic Infection",
  { x:PAD+0.08, y:0.1, w:BX-PAD-0.15, h:0.85,
    fontSize:15, fontFace:"Calibri", bold:true, color:WHITE,
    align:"left", valign:"middle", wrap:true }
);

// Authors
slide.addText(
  "Dr. Ishaan Wagh (JR II Radiology)  |  Co-author: Dr. Priscilla Joshi, Head of Department\nDept. of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune",
  { x:PAD+0.08, y:1.02, w:BX-PAD-0.15, h:0.48,
    fontSize:7.5, fontFace:"Calibri", color:LBLUE,
    align:"left", valign:"middle", wrap:true }
);

// ═══════════════════════════════════════════════════════════════════════════
// CONTENT START Y
// ═══════════════════════════════════════════════════════════════════════════
const Y0 = HDR_H + 0.06 + 0.12;   // just below gold strip + gap

// ═══════════════════════════════════════════════════════════════════════════
// LEFT COLUMN
// ═══════════════════════════════════════════════════════════════════════════
let LY = Y0;

// ── INTRODUCTION ─────────────────────────────────────────────────────────
const INTRO_H = 2.1;
sBar(C1, LY, CW, "INTRODUCTION");
panel(C1, LY+SBH, CW, INTRO_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, INTRO_H-0.1, [
  {text:"Bronchopulmonary Sequestration (BPS)", options:{bold:true, color:NAVY, breakLine:false}},
  {text:" is a rare congenital malformation characterised by:", options:{breakLine:true}},
  {text:"• Non-functioning pulmonary parenchyma with no tracheobronchial communication", options:{breakLine:true}},
  {text:"• Anomalous systemic arterial supply — most commonly from the descending thoracic aorta", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Prevalence: ", options:{bold:true, color:TEAL}},
  {text:"0.15–6.4% of congenital lung malformations", options:{breakLine:true}},
  {text:"Intralobar Sequestration (ILS): ", options:{bold:true, color:TEAL}},
  {text:"75–85% of cases; presents in late childhood with recurrent LRTI", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Clinical challenge: ", options:{bold:true, color:GOLD}},
  {text:"In TB-endemic regions, BPS closely mimics chronic pulmonary infection, leading to prolonged inappropriate anti-tubercular therapy (ATT).", options:{}},
]);
LY += SBH + INTRO_H + GAP;

// ── AIMS & OBJECTIVES ────────────────────────────────────────────────────
const AIMS_H = 1.4;
sBar(C1, LY, CW, "AIMS & OBJECTIVES");
panel(C1, LY+SBH, CW, AIMS_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, AIMS_H-0.1, [
  {text:"1. ", options:{bold:true, color:TEAL}},
  {text:"Describe multimodality imaging features of BPS", options:{breakLine:true}},
  {text:"2. ", options:{bold:true, color:TEAL}},
  {text:"Illustrate the pitfall of BPS mimicking chronic infection / TB", options:{breakLine:true}},
  {text:"3. ", options:{bold:true, color:TEAL}},
  {text:"Emphasise CECT angiography as the investigation of choice", options:{breakLine:true}},
  {text:"4. ", options:{bold:true, color:TEAL}},
  {text:"Promote early diagnosis to prevent unnecessary ATT", options:{}},
]);
LY += SBH + AIMS_H + GAP;

// ── MATERIALS & METHODS ──────────────────────────────────────────────────
const MM_H = 1.55;
sBar(C1, LY, CW, "MATERIALS & METHODS");
panel(C1, LY+SBH, CW, MM_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, MM_H-0.1, [
  {text:"Study type: ", options:{bold:true, color:TEAL}},
  {text:"Case Report", options:{breakLine:true}},
  {text:"Patient: ", options:{bold:true, color:TEAL}},
  {text:"Adolescent with recurrent LRTI, treated empirically for pulmonary TB without improvement", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Imaging used: ", options:{bold:true, color:TEAL}},
  {text:"Chest X-ray (PA view) and Contrast-Enhanced CT Angiography (CECT)", options:{breakLine:true}},
  {text:"Setting: ", options:{bold:true, color:TEAL}},
  {text:"Dept. of Radiodiagnosis, Bharati Vidyapeeth Medical College, Pune", options:{}},
]);
LY += SBH + MM_H + GAP;

// ── CASE PRESENTATION ────────────────────────────────────────────────────
const CASE_H = 1.5;
sBar(C1, LY, CW, "CASE PRESENTATION");
panel(C1, LY+SBH, CW, CASE_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, CASE_H-0.1, [
  {text:"Patient presented with ", options:{}},
  {text:"recurrent lower respiratory tract infections", options:{bold:true}},
  {text:". In a TB-endemic setting, ATT was initiated — with no improvement.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"CXR revealed a ", options:{}},
  {text:"retrocardiac opacity with sharp margins", options:{bold:true, color:GOLD}},
  {text:" in the LLL. CECT angiography confirmed an ", options:{}},
  {text:"aberrant aortic feeder", options:{bold:true}},
  {text:", establishing the diagnosis of Intralobar BPS.", options:{}},
]);
LY += SBH + CASE_H + GAP;

// ── FIG 1 — ANNOTATED CXR ────────────────────────────────────────────────
const CXRH = 2.9;
sBar(C1, LY, CW, "FIG 1 — CHEST X-RAY (ANNOTATED)");
imgBox(C1, LY+SBH, CW, CXRH);
slide.addImage({ data:imgCXR, x:C1+0.06, y:LY+SBH+0.05, w:CW-0.12, h:CXRH-0.1 });
LY += SBH + CXRH + GAP;

// ── REVIEW OF LITERATURE ─────────────────────────────────────────────────
const ROL_H = 2.2;
sBar(C1, LY, CW, "REVIEW OF LITERATURE");
panel(C1, LY+SBH, CW, ROL_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, ROL_H-0.1, [
  {text:"Classification: ", options:{bold:true, color:TEAL}},
  {text:"ILS (75–85%, within visceral pleura, drains via pulmonary vein) vs. ELS (15–25%, outside pleura, systemic vein drainage, associated with other anomalies)", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Pathophysiology: ", options:{bold:true, color:TEAL}},
  {text:"Impaired drainage → stasis → consolidation/cystic change/bronchiectasis → mimics TB/chronic infection", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Defining imaging feature: ", options:{bold:true, color:TEAL}},
  {text:"Aberrant systemic arterial feeder (most commonly descending thoracic aorta)", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Investigation of choice: ", options:{bold:true, color:GOLD}},
  {text:"CECT angiography — delineates arterial supply, venous drainage, parenchymal changes", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Management: ", options:{bold:true, color:TEAL}},
  {text:"Surgical resection (lobectomy) is curative. Early diagnosis prevents prolonged ATT.", options:{}},
]);
LY += SBH + ROL_H + GAP;

// ── REFERENCES ───────────────────────────────────────────────────────────
const REF_H = 1.3;
sBar(C1, LY, CW, "REFERENCES");
panel(C1, LY+SBH, CW, REF_H);
bodyText(C1+0.07, LY+SBH+0.06, CW-0.12, REF_H-0.1, [
  {text:"1. Corbett HJ & Humphrey GM. Pulmonary sequestration. Paediatr Respir Rev. 2004;5(1):59–68.", options:{italic:true, breakLine:true, color:MGREY}},
  {text:"2. Pryce DM. Lower accessory pulmonary artery with ILS of lung. J Pathol. 1946;58:457–467.", options:{italic:true, breakLine:true, color:MGREY}},
  {text:"3. Savic B et al. Lung sequestration: review of 540 cases. Thorax. 1979;34:96–101.", options:{italic:true, breakLine:true, color:MGREY}},
  {text:"4. Guru Murthy GS et al. Pulmonary sequestration: a diagnostic dilemma. IJRI. 2010.", options:{italic:true, color:MGREY}},
], 5.5);
LY += SBH + REF_H;

// ═══════════════════════════════════════════════════════════════════════════
// RIGHT COLUMN
// ═══════════════════════════════════════════════════════════════════════════
let RY = Y0;

// ── IMAGING OBSERVATIONS ─────────────────────────────────────────────────
const OBS_H = 2.4;
sBar(C2, RY, CW, "IMAGING OBSERVATIONS");
panel(C2, RY+SBH, CW, OBS_H);
bodyText(C2+0.07, RY+SBH+0.06, CW-0.12, OBS_H-0.1, [
  {text:"Chest X-Ray:", options:{bold:true, color:NAVY, breakLine:true}},
  {text:"• Retrocardiac homogeneous opacity, sharp margins, LLL location", options:{breakLine:true}},
  {text:"• No mediastinal shift or volume loss", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"CECT Angiography:", options:{bold:true, color:NAVY, breakLine:true}},
  {text:"• Non-aerated, consolidated sequestered parenchyma", options:{breakLine:true}},
  {text:"• Aberrant systemic artery ", options:{bold:true, color:"CC3333"}},
  {text:"from descending thoracic aorta", options:{breakLine:true}},
  {text:"• Venous drainage via left pulmonary vein ", options:{bold:true, color:"1E7DC8"}},
  {text:"— confirming ILS", options:{breakLine:true}},
  {text:"• No tracheobronchial communication confirmed", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Final Diagnosis: ", options:{bold:true, color:TEAL}},
  {text:"Intralobar Bronchopulmonary Sequestration (ILS)", options:{bold:true}},
]);
RY += SBH + OBS_H + GAP;

// ── FIG 2 — ANNOTATED CT ─────────────────────────────────────────────────
const CTH = 2.4;
sBar(C2, RY, CW, "FIG 2 — CECT ANGIOGRAPHY (ANNOTATED)");
imgBox(C2, RY+SBH, CW, CTH);
slide.addImage({ data:imgCT, x:C2+0.06, y:RY+SBH+0.05, w:CW-0.12, h:CTH-0.1 });

// Colour key
const KY2 = RY+SBH+CTH+0.03;
const KH2 = 0.3;
slide.addShape(pres.ShapeType.rect,
  {x:C2, y:KY2, w:CW, h:KH2, fill:{color:"F0F4F8"}, line:{color:BORDER, width:0.5}});
const ks = 0.14;
// Yellow
slide.addShape(pres.ShapeType.rect, {x:C2+0.07, y:KY2+0.08, w:ks, h:ks, fill:{color:"FFC800"}, line:{color:"FFC800"}});
slide.addText("Sequestered segment", {x:C2+0.24, y:KY2+0.06, w:1.4, h:0.2, fontSize:5.5, fontFace:"Calibri", color:DGREY});
// Red
slide.addShape(pres.ShapeType.rect, {x:C2+1.75, y:KY2+0.08, w:ks, h:ks, fill:{color:"FF3C3C"}, line:{color:"FF3C3C"}});
slide.addText("Aortic feeder", {x:C2+1.92, y:KY2+0.06, w:1.1, h:0.2, fontSize:5.5, fontFace:"Calibri", color:DGREY});
// Blue
slide.addShape(pres.ShapeType.rect, {x:C2+3.15, y:KY2+0.08, w:ks, h:ks, fill:{color:"1E7DC8"}, line:{color:"1E7DC8"}});
slide.addText("Pulmonary vein", {x:C2+3.32, y:KY2+0.06, w:1.3, h:0.2, fontSize:5.5, fontFace:"Calibri", color:DGREY});

RY += SBH + CTH + KH2 + GAP + 0.03;

// ── FIG 3 — BPS ANATOMY SCHEMATIC ────────────────────────────────────────
const D1H = 2.9;
sBar(C2, RY, CW, "FIG 3 — BPS ANATOMY SCHEMATIC");
imgBox(C2, RY+SBH, CW, D1H);
slide.addImage({ data:imgDiagram, x:C2+0.06, y:RY+SBH+0.05, w:CW-0.12, h:D1H-0.1 });
RY += SBH + D1H + GAP;

// ── FIG 4 — BPS vs CHRONIC INFECTION ─────────────────────────────────────
const D2H = 2.9;
sBar(C2, RY, CW, "FIG 4 — BPS vs. CHRONIC INFECTION");
imgBox(C2, RY+SBH, CW, D2H);
slide.addImage({ data:imgDiff, x:C2+0.06, y:RY+SBH+0.05, w:CW-0.12, h:D2H-0.1 });
RY += SBH + D2H + GAP;

// ── CONCLUSION ───────────────────────────────────────────────────────────
const CONC_H = 1.7;
sBar(C2, RY, CW, "CONCLUSION", NAVY);
slide.addShape(pres.ShapeType.rect,
  {x:C2, y:RY+SBH, w:CW, h:CONC_H, fill:{color:NAVY}, line:{color:NAVY}});
slide.addText([
  {text:"BPS is a rare but curable condition that ", options:{}},
  {text:"closely mimics chronic infection", options:{bold:true, color:"FFC966"}},
  {text:" in TB-endemic settings — radiological vigilance is essential.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"CECT angiography ", options:{bold:true, color:"FFC966"}},
  {text:"is the cornerstone of diagnosis, identifying the aberrant aortic feeder.", options:{breakLine:true}},
  {text:" ", options:{breakLine:true, fontSize:3}},
  {text:"Early diagnosis ", options:{bold:true, color:"A8D8EA"}},
  {text:"prevents prolonged ATT and enables curative surgical resection (lobectomy).", options:{}},
], {
  x:C2+0.07, y:RY+SBH+0.07, w:CW-0.12, h:CONC_H-0.1,
  fontSize:6.0, fontFace:"Calibri", color:WHITE, valign:"top", wrap:true, paraSpaceAfter:1.5
});
RY += SBH + CONC_H;

// ═══════════════════════════════════════════════════════════════════════════
// FOOTER
// ═══════════════════════════════════════════════════════════════════════════
const FTR_Y = H - 0.38;
slide.addShape(pres.ShapeType.rect,
  {x:0, y:FTR_Y, w:W, h:0.38, fill:{color:NAVY}, line:{color:NAVY}});
slide.addText(
  "Dept. of Radiodiagnosis  |  Bharati Vidyapeeth Medical College, Pune  |  AOCR 2025  |  Paper No. 257  |  Dr. Ishaan Wagh",
  {x:0.1, y:FTR_Y, w:W-0.2, h:0.38,
   fontSize:6.5, fontFace:"Calibri", color:"A8C8E0", align:"center", valign:"middle"}
);

// ═══════════════════════════════════════════════════════════════════════════
// SAVE
// ═══════════════════════════════════════════════════════════════════════════
const OUT = "/home/daytona/workspace/pulm-seq-poster/257_Ishaan_Wagh_EDITABLE.pptx";
pres.writeFile({ fileName: OUT })
  .then(() => console.log("Saved: " + OUT))
  .catch(e => console.error(e));

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/pulm-seq-poster/make_portrait_pptx.js'