const pptxgen = require("pptxgenjs");
let pres = new pptxgen();
pres.layout = "LAYOUT_16x9";
pres.title = "HIV Programme Review - Andakula PHC, Pudukkottai";

// Color palette
const RED     = "C0392B";
const DARK    = "1A1A2E";
const LIGHT   = "FDFEFE";
const ACCENT  = "E74C3C";
const TEAL    = "1ABC9C";
const GRAY    = "F2F3F4";
const DKGRAY  = "555555";
const ORANGE  = "E67E22";
const BLUE    = "2980B9";

// ──────────────────────────────────────────────
// HELPERS
// ──────────────────────────────────────────────
function addSlideHeader(slide, title, subtitle) {
  // red top bar
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: 0.65, fill: { color: RED } });
  slide.addText(title, {
    x: 0.3, y: 0, w: 9.4, h: 0.65,
    fontSize: 20, bold: true, color: LIGHT, valign: "middle", margin: 0
  });
  if (subtitle) {
    slide.addText(subtitle, {
      x: 0.3, y: 0.65, w: 9.4, h: 0.35,
      fontSize: 11, color: DKGRAY, italic: true, margin: 0
    });
  }
}

function addFooter(slide) {
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 5.35, w: "100%", h: 0.275, fill: { color: DARK } });
  slide.addText("HIV Programme Review  |  Andakula PHC, Pudukkottai  |  June 2026", {
    x: 0.2, y: 5.35, w: 9.6, h: 0.275,
    fontSize: 8, color: LIGHT, valign: "middle", margin: 0
  });
}

function bullet(text, level) {
  return { text, options: { bullet: true, indentLevel: level || 0, breakLine: true, fontSize: 13, color: DARK } };
}

function bulletBold(text) {
  return { text, options: { bullet: true, bold: true, breakLine: true, fontSize: 13, color: DARK } };
}

// ──────────────────────────────────────────────
// SLIDE 1 – TITLE
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  // Full dark background
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: DARK } });
  // Red accent bar left
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.18, h: "100%", fill: { color: RED } });
  // Red ribbon across middle
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 2.1, w: 9.82, h: 0.08, fill: { color: RED } });

  s.addText("HIV PROGRAMME REVIEW", {
    x: 0.4, y: 0.7, w: 9.2, h: 0.7,
    fontSize: 32, bold: true, color: LIGHT, align: "left", charSpacing: 4
  });
  s.addText("Andakula Sub-Centre  |  PHC Pudukkottai", {
    x: 0.4, y: 1.4, w: 9.2, h: 0.55,
    fontSize: 17, color: TEAL, align: "left"
  });
  s.addText([
    { text: "Presented by: ", options: { bold: true, color: LIGHT, fontSize: 13 } },
    { text: "SPM Intern", options: { color: "#AAAAAA", fontSize: 13 } }
  ], { x: 0.4, y: 2.35, w: 9.2, h: 0.4 });
  s.addText([
    { text: "Date: ", options: { bold: true, color: LIGHT, fontSize: 13 } },
    { text: "June 2026", options: { color: "#AAAAAA", fontSize: 13 } }
  ], { x: 0.4, y: 2.75, w: 9.2, h: 0.4 });

  // Red ribbon HIV awareness
  s.addText("NACP  |  TNSACS  |  NRHM", {
    x: 0.4, y: 4.5, w: 9.2, h: 0.5,
    fontSize: 11, color: "#888888", align: "left"
  });
}

// ──────────────────────────────────────────────
// SLIDE 2 – OVERVIEW / AGENDA
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: GRAY } });
  addSlideHeader(s, "Overview", "Topics covered in this review");

  const topics = [
    { num: "01", label: "About ICTC & HIV Screening" },
    { num: "02", label: "Who Gets Tested?" },
    { num: "03", label: "Screening Tests Done" },
    { num: "04", label: "Referral Pathway" },
    { num: "05", label: "HIV Programme Organogram" },
    { num: "06", label: "Incentives - Who Gets & How Much" },
  ];

  topics.forEach((t, i) => {
    const col = i < 3 ? 0 : 1;
    const row = i % 3;
    const x = col === 0 ? 0.4 : 5.3;
    const y = 1.1 + row * 1.3;

    s.addShape(pres.ShapeType.rect, { x, y, w: 4.5, h: 1.0, fill: { color: col === 0 ? DARK : RED }, line: { color: LIGHT, width: 0 }, shadow: { type: "outer", blur: 5, offset: 2, angle: 45, color: "888888" } });
    s.addText(t.num, { x: x + 0.1, y: y + 0.05, w: 0.7, h: 0.9, fontSize: 26, bold: true, color: ACCENT, valign: "middle", margin: 0 });
    s.addText(t.label, { x: x + 0.85, y: y + 0.05, w: 3.5, h: 0.9, fontSize: 13, color: LIGHT, valign: "middle", margin: 0 });
  });
  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 3 – ABOUT ICTC
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: LIGHT } });
  addSlideHeader(s, "ICTC – Integrated Counselling & Testing Centre", "Entry point for all HIV-related services");

  // Two columns
  // Left - what is ICTC
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 1.05, w: 4.4, h: 3.9, fill: { color: DARK }, roundedCorners: true });
  s.addText("What is ICTC?", { x: 0.4, y: 1.1, w: 4.2, h: 0.45, fontSize: 14, bold: true, color: TEAL, margin: 4 });
  s.addText([
    bullet("Gateway & entry point for HIV/AIDS prevention, care & support services"),
    bullet("Located at PHC / CHC / District Hospital levels"),
    bullet("Andakula Sub-Centre is a field outreach site under PHC Pudukkottai ICTC"),
    bullet("Services are FREE and CONFIDENTIAL"),
    bullet("Follows 5C principles: Consent, Confidentiality, Counselling, Correct test, Connection to care"),
  ], { x: 0.4, y: 1.58, w: 4.2, h: 3.2, fontSize: 12, color: LIGHT, valign: "top", margin: 6 });

  // Right - services
  s.addShape(pres.ShapeType.rect, { x: 5.1, y: 1.05, w: 4.6, h: 3.9, fill: { color: RED }, roundedCorners: true });
  s.addText("Services Offered", { x: 5.2, y: 1.1, w: 4.3, h: 0.45, fontSize: 14, bold: true, color: LIGHT, margin: 4 });
  s.addText([
    bullet("Pre-test counselling"),
    bullet("HIV testing (rapid test)"),
    bullet("Post-test counselling"),
    bullet("Referral to ART centre if positive"),
    bullet("Linkage to PPTCT (for pregnant women)"),
    bullet("STI / TB screening and referral"),
    bullet("Condom promotion & IEC activities"),
    bullet("Partner notification counselling"),
  ], { x: 5.2, y: 1.58, w: 4.2, h: 3.2, fontSize: 12, color: LIGHT, valign: "top", margin: 6 });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 4 – WHO GETS TESTED
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: GRAY } });
  addSlideHeader(s, "Who Gets Tested? – Target Population", "Voluntary Counselling & Testing / Provider-Initiated Testing");

  const groups = [
    { title: "Antenatal Mothers (PPTCT)", color: ORANGE, pts: ["All pregnant women attending ANC at PHC", "PITC – Provider-Initiated Testing & Counselling", "HIV test offered at 1st ANC visit", "Re-tested in 3rd trimester if high risk"] },
    { title: "High Risk Groups (HRG)", color: RED, pts: ["Female Sex Workers (FSW)", "Men who have Sex with Men (MSM)", "Intravenous Drug Users (IDU)", "Truckers & migrant labourers"] },
    { title: "General Population (VCT)", color: BLUE, pts: ["Walk-in clients seeking testing voluntarily", "STI patients at PHC OPD", "Individuals with TB (TB-HIV coordination)", "Partners of known HIV+ persons"] },
  ];

  groups.forEach((g, i) => {
    const x = 0.3 + i * 3.3;
    s.addShape(pres.ShapeType.rect, { x, y: 1.05, w: 3.0, h: 0.5, fill: { color: g.color } });
    s.addText(g.title, { x, y: 1.05, w: 3.0, h: 0.5, fontSize: 11.5, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 0 });
    s.addShape(pres.ShapeType.rect, { x, y: 1.55, w: 3.0, h: 3.55, fill: { color: DARK } });
    s.addText(g.pts.map(p => ({ text: p, options: { bullet: true, breakLine: true, fontSize: 11.5, color: LIGHT } })),
      { x: x + 0.05, y: 1.6, w: 2.85, h: 3.4, valign: "top", margin: 5 });
  });

  // Bottom note
  s.addText("Note: Consent is MANDATORY before testing. No compulsory testing.", {
    x: 0.3, y: 5.1, w: 9.4, h: 0.25, fontSize: 9.5, color: DKGRAY, italic: true
  });
  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 5 – SCREENING TESTS
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: LIGHT } });
  addSlideHeader(s, "Screening Tests Done at ICTC", "NACO Serial Testing Algorithm");

  // Algorithm flow
  s.addText("NACO Serial Testing Algorithm (3-Kit Strategy)", {
    x: 0.3, y: 0.75, w: 9.4, h: 0.35, fontSize: 13, bold: true, color: DARK
  });

  const steps = [
    { label: "STEP 1\nTest A", desc: "1st Rapid Test (Most Sensitive kit)\neg: Comb-AIDS/Tri-DOT", color: TEAL },
    { label: "NON-REACTIVE\n(Negative)", desc: "Report as HIV Negative\nPost-test counselling\nRepeat if window period", color: BLUE },
    { label: "REACTIVE\n(Positive)", desc: "Proceed to Test B", color: ORANGE },
    { label: "STEP 2\nTest B", desc: "2nd Rapid Test (Most Specific kit)\neg: SD Bioline", color: TEAL },
    { label: "STEP 3\nTest C", desc: "3rd Tie-breaker Test\nif Test A+/Test B-\neg: HIV BLOT", color: RED },
  ];

  // Draw flow boxes
  steps.forEach((st, i) => {
    const isArrow = [1, 2].includes(i);
    const x = 0.25 + i * 1.9;
    s.addShape(pres.ShapeType.rect, { x, y: 1.25, w: 1.7, h: 1.4, fill: { color: st.color }, roundedCorners: true });
    s.addText(st.label, { x, y: 1.27, w: 1.7, h: 0.5, fontSize: 10, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });
    s.addText(st.desc, { x, y: 1.77, w: 1.7, h: 0.85, fontSize: 9.5, color: LIGHT, align: "center", valign: "top", margin: 3 });
    if (i < 4) {
      s.addText("→", { x: x + 1.7, y: 1.6, w: 0.2, h: 0.5, fontSize: 18, bold: true, color: DKGRAY });
    }
  });

  // Final result boxes
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 3.05, w: 9.4, h: 0.05, fill: { color: DKGRAY } });

  s.addText("Final Reporting", { x: 0.3, y: 3.2, w: 9.4, h: 0.35, fontSize: 13, bold: true, color: DARK });

  const results = [
    { label: "HIV NEGATIVE", sub: "Test A non-reactive", color: TEAL },
    { label: "HIV POSITIVE", sub: "Test A + Test B both reactive", color: RED },
    { label: "INCONCLUSIVE", sub: "Test A reactive, Test B negative → Test C", color: ORANGE },
  ];
  results.forEach((r, i) => {
    const x = 0.3 + i * 3.2;
    s.addShape(pres.ShapeType.rect, { x, y: 3.65, w: 3.0, h: 1.0, fill: { color: r.color }, roundedCorners: true });
    s.addText(r.label, { x, y: 3.68, w: 3.0, h: 0.45, fontSize: 13, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 0 });
    s.addText(r.sub, { x, y: 4.13, w: 3.0, h: 0.45, fontSize: 10, color: LIGHT, align: "center", valign: "middle", margin: 0 });
  });

  s.addText("Rapid tests used: Comb-AIDS (A)  |  SD Bioline (B)  |  HIV BLOT (C)  — as per NACO serial algorithm", {
    x: 0.3, y: 5.05, w: 9.4, h: 0.25, fontSize: 8.5, color: DKGRAY, italic: true
  });
  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 6 – REFERRAL PATHWAY
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: DARK } });
  addSlideHeader(s, "Referral Pathway – HIV Positive Client", "From Andakula Sub-Centre to ART Centre");

  const nodes = [
    { label: "Andakula\nSub-Centre / Village", sub: "ASHA/ANM screens\nRefers with slip", color: TEAL, x: 0.2 },
    { label: "PHC Pudukkottai\nICTC", sub: "Pre-test counselling\nRapid HIV test\nPost-test counselling", color: ORANGE, x: 2.3 },
    { label: "District ICTC\n(DAPCU)", sub: "Confirmatory testing\nCD4 count\nClinical assessment", color: ACCENT, x: 4.4 },
    { label: "ART Centre\nGovt. Hospital", sub: "ART initiation &\nmonitoring\nFree treatment", color: BLUE, x: 6.5 },
  ];

  nodes.forEach((n, i) => {
    s.addShape(pres.ShapeType.rect, { x: n.x, y: 1.0, w: 1.9, h: 1.7, fill: { color: n.color }, roundedCorners: true });
    s.addText(n.label, { x: n.x, y: 1.02, w: 1.9, h: 0.65, fontSize: 10.5, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });
    s.addText(n.sub, { x: n.x, y: 1.67, w: 1.9, h: 0.95, fontSize: 9, color: LIGHT, align: "center", valign: "top", margin: 3 });
    if (i < 3) {
      s.addText("→", { x: n.x + 1.9, y: 1.55, w: 0.4, h: 0.5, fontSize: 22, bold: true, color: TEAL, align: "center" });
    }
  });

  // Referral slip note
  s.addShape(pres.ShapeType.rect, { x: 0.2, y: 2.85, w: 9.6, h: 0.08, fill: { color: RED } });

  s.addText("Key Points in Referral", { x: 0.2, y: 3.0, w: 9.6, h: 0.4, fontSize: 13, bold: true, color: LIGHT });

  s.addText([
    bullet("Referral slip given by ICTC counsellor (NACO Annexure-14 format)"),
    bullet("Linkage ensured by outreach worker / ASHA"),
    bullet("District ART Centre: Govt. Hospital, Pudukkottai (nearest facility)"),
    bullet("PLHIV linked to Community Care Centre (CCC) for support services"),
    bullet("OI (Opportunistic Infections) treated at ART centre / District Hospital"),
    bullet("Defaulter tracing done by DAPCU field staff"),
  ], { x: 0.3, y: 3.45, w: 9.4, h: 2.0, fontSize: 12, color: LIGHT, valign: "top", margin: 4 });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 7 – REFERRAL: TB-HIV
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: GRAY } });
  addSlideHeader(s, "TB-HIV Co-ordination & Referral", "Bi-directional screening under NACP-NTEP");

  // Two arrows
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 1.05, w: 4.3, h: 3.8, fill: { color: DARK }, roundedCorners: true });
  s.addText("TB patient → HIV test", { x: 0.4, y: 1.1, w: 4.0, h: 0.45, fontSize: 13, bold: true, color: TEAL, margin: 4 });
  s.addText([
    bullet("All TB patients referred to ICTC for HIV testing"),
    bullet("PITC: Provider-Initiated Testing & Counselling"),
    bullet("Isoniazid Preventive Therapy (IPT) for HIV+ TB patients"),
    bullet("CPT (Cotrimoxazole Prophylaxis) initiated"),
    bullet("ART started as per guidelines"),
  ], { x: 0.4, y: 1.58, w: 4.1, h: 3.0, fontSize: 12, color: LIGHT, valign: "top", margin: 6 });

  s.addShape(pres.ShapeType.rect, { x: 5.0, y: 1.05, w: 4.7, h: 3.8, fill: { color: RED }, roundedCorners: true });
  s.addText("HIV+ client → TB screening", { x: 5.1, y: 1.1, w: 4.4, h: 0.45, fontSize: 13, bold: true, color: LIGHT, margin: 4 });
  s.addText([
    bullet("All HIV+ clients screened for TB symptoms at ICTC"),
    bullet("4-symptom screen: Cough, Fever, Night sweats, Weight loss"),
    bullet("Refer to NTEP / DMC if symptoms present"),
    bullet("Intensified Case Finding (ICF) at ART centres"),
    bullet("TB-HIV register maintained at PHC ICTC"),
  ], { x: 5.1, y: 1.58, w: 4.4, h: 3.0, fontSize: 12, color: LIGHT, valign: "top", margin: 6 });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 8 – ORGANOGRAM
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: LIGHT } });
  addSlideHeader(s, "HIV Programme Organogram", "National AIDS Control Programme (NACP) – Tamil Nadu");

  // National
  s.addShape(pres.ShapeType.rect, { x: 3.5, y: 0.75, w: 3.0, h: 0.55, fill: { color: DARK }, roundedCorners: true });
  s.addText("NACO\n(National AIDS Control Organisation)", { x: 3.5, y: 0.75, w: 3.0, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  // Arrow down
  s.addText("↓", { x: 4.8, y: 1.3, w: 0.5, h: 0.3, fontSize: 16, bold: true, color: RED, align: "center" });

  // State
  s.addShape(pres.ShapeType.rect, { x: 3.3, y: 1.6, w: 3.4, h: 0.55, fill: { color: RED }, roundedCorners: true });
  s.addText("TNSACS\n(Tamil Nadu State AIDS Control Society)", { x: 3.3, y: 1.6, w: 3.4, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  s.addText("↓", { x: 4.8, y: 2.15, w: 0.5, h: 0.3, fontSize: 16, bold: true, color: RED, align: "center" });

  // District
  s.addShape(pres.ShapeType.rect, { x: 3.1, y: 2.45, w: 3.8, h: 0.55, fill: { color: ORANGE }, roundedCorners: true });
  s.addText("DAPCU\n(District AIDS Prevention & Control Unit)", { x: 3.1, y: 2.45, w: 3.8, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  s.addText("↓", { x: 4.8, y: 3.0, w: 0.5, h: 0.3, fontSize: 16, bold: true, color: RED, align: "center" });

  // CHC ICTC
  s.addShape(pres.ShapeType.rect, { x: 3.0, y: 3.3, w: 4.0, h: 0.55, fill: { color: BLUE }, roundedCorners: true });
  s.addText("CHC / Taluk ICTC\n(Nodal ICTC for PHC cluster)", { x: 3.0, y: 3.3, w: 4.0, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  s.addText("↓", { x: 4.8, y: 3.85, w: 0.5, h: 0.3, fontSize: 16, bold: true, color: RED, align: "center" });

  // PHC ICTC
  s.addShape(pres.ShapeType.rect, { x: 2.9, y: 4.15, w: 4.2, h: 0.55, fill: { color: TEAL }, roundedCorners: true });
  s.addText("PHC Pudukkottai – ICTC\n(MO, Counsellor, Lab Technician)", { x: 2.9, y: 4.15, w: 4.2, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  // Sub-centre branch
  s.addText("→", { x: 7.12, y: 4.3, w: 0.4, h: 0.3, fontSize: 16, bold: true, color: RED, align: "center" });
  s.addShape(pres.ShapeType.rect, { x: 7.52, y: 4.15, w: 2.3, h: 0.55, fill: { color: DARK }, roundedCorners: true });
  s.addText("Andakula Sub-Centre\n(ANM + ASHA)", { x: 7.52, y: 4.15, w: 2.3, h: 0.55, fontSize: 9, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 9 – STAFF AT PHC ICTC
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: DARK } });
  addSlideHeader(s, "PHC ICTC – Staffing & Roles", "Under NACP / TNSACS");

  const staff = [
    { role: "Medical Officer (MO)", duties: ["Overall in-charge of ICTC", "Reviews registers monthly", "Provides clinical management", "Ensures IEC activities"], color: TEAL },
    { role: "ICTC Counsellor\n(Contract, TNSACS)", duties: ["Pre & post-test counselling", "Maintains ICTC registers", "Ensures referral & linkage", "Reports to DAPCU monthly"], color: ORANGE },
    { role: "Lab Technician", duties: ["Performs rapid HIV tests", "Maintains cold chain for kits", "Reports test results", "Maintains lab registers"], color: BLUE },
    { role: "ANM / ASHA\n(Sub-centre level)", duties: ["Community mobilization", "Brings target groups to ICTC", "Partner notification support", "Follows up PLHIV at home"], color: ACCENT },
  ];

  staff.forEach((st, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = col === 0 ? 0.3 : 5.2;
    const y = 1.05 + row * 2.1;
    s.addShape(pres.ShapeType.rect, { x, y, w: 4.5, h: 1.9, fill: { color: st.color }, roundedCorners: true });
    s.addText(st.role, { x, y: y + 0.05, w: 4.5, h: 0.5, fontSize: 12, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 2 });
    s.addText(st.duties.map(d => ({ text: d, options: { bullet: true, breakLine: true, fontSize: 10.5, color: LIGHT } })),
      { x: x + 0.1, y: y + 0.55, w: 4.3, h: 1.3, valign: "top", margin: 4 });
  });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 10 – INCENTIVES
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: GRAY } });
  addSlideHeader(s, "Incentives Under HIV Programme", "For ASHAs, Counsellors & Programme Staff – NACP / NRHM");

  // Table headers
  const cols = [0.3, 3.5, 6.2, 8.3];
  const colW = [3.2, 2.7, 2.1, 1.5];
  const headers = ["Recipient", "Activity", "Incentive Amount", "Source"];

  headers.forEach((h, i) => {
    s.addShape(pres.ShapeType.rect, { x: cols[i], y: 1.05, w: colW[i], h: 0.45, fill: { color: RED } });
    s.addText(h, { x: cols[i], y: 1.05, w: colW[i], h: 0.45, fontSize: 11, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 0 });
  });

  const rows = [
    ["ASHA", "Referring a client to ICTC for HIV test", "₹ 50 per referral", "NACP"],
    ["ASHA", "Ensuring PLHIV reaches ART centre (1st visit)", "₹ 150 per linkage", "NACP"],
    ["ASHA", "Bringing ART defaulter back to care", "₹ 150 per defaulter", "NACP"],
    ["ASHA", "PPTCT – Ensuring ANC mother is tested", "₹ 50 per ANC tested", "NACP/NRHM"],
    ["Link Worker (TI)", "Reaching FSW/MSM/IDU for screening", "₹ 1000–1500/month", "NACP TI"],
    ["ICTC Counsellor", "Monthly salary (contractual, TNSACS)", "₹ 15,000–18,000/mo", "TNSACS"],
    ["Lab Technician", "Monthly salary (contractual)", "₹ 12,000–15,000/mo", "TNSACS"],
  ];

  rows.forEach((row, ri) => {
    const bg = ri % 2 === 0 ? DARK : "#2C3E50";
    row.forEach((cell, ci) => {
      s.addShape(pres.ShapeType.rect, { x: cols[ci], y: 1.5 + ri * 0.48, w: colW[ci], h: 0.46, fill: { color: bg } });
      s.addText(cell, { x: cols[ci] + 0.05, y: 1.5 + ri * 0.48, w: colW[ci] - 0.1, h: 0.46, fontSize: 9.5, color: LIGHT, align: ci === 2 ? "center" : "left", valign: "middle", margin: 2 });
    });
  });

  s.addText("* Amounts as per NACP Phase IV norms. Actual disbursement through DAPCU via TNSACS.", {
    x: 0.3, y: 5.1, w: 9.4, h: 0.25, fontSize: 8.5, color: DKGRAY, italic: true
  });
  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 11 – PPTCT PROGRAMME
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: LIGHT } });
  addSlideHeader(s, "PPTCT – Prevention of Parent to Child Transmission", "Special Focus: Antenatal HIV Screening");

  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 1.0, w: 9.4, h: 0.08, fill: { color: ORANGE } });

  const pptctRows = [
    { step: "Step 1", detail: "All ANC mothers offered HIV test at 1st visit (PITC)", color: TEAL },
    { step: "Step 2", detail: "Informed consent taken, pre-test counselling given", color: BLUE },
    { step: "Step 3", detail: "Rapid HIV test done at PHC ICTC (same day result)", color: ORANGE },
    { step: "Step 4", detail: "HIV negative: Post-test counselling, retested at 28 weeks if high risk", color: TEAL },
    { step: "Step 5", detail: "HIV positive: Referred to ART centre, NVP prophylaxis for mother + baby", color: RED },
    { step: "Step 6", detail: "HIV exposed infant followed up for 18 months, DBS test at 6 weeks", color: DARK },
  ];

  pptctRows.forEach((r, i) => {
    s.addShape(pres.ShapeType.rect, { x: 0.3, y: 1.15 + i * 0.63, w: 1.3, h: 0.55, fill: { color: r.color } });
    s.addText(r.step, { x: 0.3, y: 1.15 + i * 0.63, w: 1.3, h: 0.55, fontSize: 11, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 0 });
    s.addShape(pres.ShapeType.rect, { x: 1.65, y: 1.15 + i * 0.63, w: 8.05, h: 0.55, fill: { color: i % 2 === 0 ? DARK : "#2C3E50" } });
    s.addText(r.detail, { x: 1.75, y: 1.15 + i * 0.63, w: 7.9, h: 0.55, fontSize: 11.5, color: LIGHT, valign: "middle", margin: 4 });
  });

  addFooter(s);
}

// ──────────────────────────────────────────────
// SLIDE 12 – SUMMARY / CONCLUSION
// ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: "100%", h: "100%", fill: { color: DARK } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.18, h: "100%", fill: { color: RED } });

  s.addText("Key Takeaways", {
    x: 0.4, y: 0.25, w: 9.2, h: 0.6,
    fontSize: 26, bold: true, color: LIGHT, align: "left"
  });
  s.addShape(pres.ShapeType.rect, { x: 0.4, y: 0.85, w: 2.5, h: 0.07, fill: { color: RED } });

  const takeaways = [
    ["ICTC", "Entry point at PHC Pudukkottai; outreach via Andakula sub-centre"],
    ["Screening", "NACO Serial Algorithm (3-kit: Test A → B → C) for all voluntary & provider-initiated clients"],
    ["Target groups", "ANC mothers (PPTCT), HRGs (FSW/MSM/IDU), TB patients, walk-in VCT clients"],
    ["Referral", "HIV+ clients referred → District ICTC → ART Centre (Govt. Hospital, Pudukkottai)"],
    ["Organogram", "NACO → TNSACS → DAPCU → CHC ICTC → PHC ICTC → Sub-centre (ANM/ASHA)"],
    ["Incentives", "ASHA: ₹50/referral, ₹150/ART linkage; Counsellor: ₹15–18k/mo (TNSACS contract)"],
  ];

  takeaways.forEach(([key, val], i) => {
    const y = 1.05 + i * 0.73;
    s.addShape(pres.ShapeType.rect, { x: 0.4, y, w: 1.8, h: 0.58, fill: { color: RED }, roundedCorners: true });
    s.addText(key, { x: 0.4, y, w: 1.8, h: 0.58, fontSize: 12, bold: true, color: LIGHT, align: "center", valign: "middle", margin: 0 });
    s.addText(val, { x: 2.3, y: y + 0.04, w: 7.4, h: 0.5, fontSize: 11.5, color: LIGHT, valign: "middle", margin: 0 });
  });

  s.addText("Thank You  |  Questions Welcome", {
    x: 0.4, y: 5.1, w: 9.2, h: 0.35, fontSize: 11, color: TEAL, align: "right", italic: true
  });
}

// ──────────────────────────────────────────────
// WRITE FILE
// ──────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/hiv-ppt/HIV_Programme_Review_Andakula_PHC.pptx" })
  .then(() => console.log("DONE: PPT written successfully"))
  .catch(err => console.error("ERROR:", err));