const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = 'LAYOUT_16x9';
pres.author = 'BAMS 3rd Year';
pres.title = 'Prameha - Kayachikitsa';

// ─── COLOR PALETTE ──────────────────────────────────────────
// Deep navy (dominant), saffron/gold (accent), ivory (text), warm teal (support)
const BG        = "0B1F3A";   // deep navy
const ACCENT    = "E8A020";   // saffron gold
const LIGHT     = "F5F0E8";   // ivory
const TEAL      = "1E7F74";   // teal support
const CARD      = "132B50";   // card/box bg (slightly lighter navy)
const MUTED     = "A8BDD4";   // muted blue-white for secondary text

// ─── HELPERS ────────────────────────────────────────────────
function addBg(slide) {
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 5.625, fill: { color: BG } });
}

function addAccentBar(slide, y = 0.72) {
  slide.addShape(pres.ShapeType.rect, { x: 0.5, y, w: 1.1, h: 0.07, fill: { color: ACCENT }, line: { type: "none" } });
}

function addSlideTitle(slide, title, subtitle = null) {
  slide.addText(title, {
    x: 0.5, y: 0.18, w: 9, h: 0.55,
    fontSize: 22, bold: true, color: LIGHT, fontFace: "Calibri", valign: "middle"
  });
  addAccentBar(slide);
  if (subtitle) {
    slide.addText(subtitle, {
      x: 0.5, y: 0.85, w: 9, h: 0.35,
      fontSize: 13, color: ACCENT, fontFace: "Calibri", italic: true
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}

function addCard(slide, x, y, w, h, title, bullets, titleColor = ACCENT) {
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  slide.addText(title, {
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    fontSize: 12, bold: true, color: titleColor, fontFace: "Calibri"
  });
  const items = bullets.map((b, i) => ({
    text: b,
    options: { bullet: { type: "bullet" }, color: LIGHT, fontSize: 10.5, fontFace: "Calibri", breakLine: i < bullets.length - 1 }
  }));
  slide.addText(items, { x: x + 0.15, y: y + 0.48, w: w - 0.3, h: h - 0.6, valign: "top" });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 1 — TITLE SLIDE
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);

  // Decorative vertical saffron strip
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.18, h: 5.625, fill: { color: ACCENT }, line: { type: "none" } });

  // Sanskrit shloka strip
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0, w: 9.82, h: 0.55, fill: { color: TEAL }, line: { type: "none" } });
  s.addText("प्रभूताविलमूत्रता — Prabhuta Avila Mutrata", {
    x: 0.3, y: 0.08, w: 9.4, h: 0.38,
    fontSize: 13, color: LIGHT, fontFace: "Calibri", italic: true, align: "center"
  });

  // Main title
  s.addText("PRAMEHA", {
    x: 0.5, y: 0.75, w: 9, h: 1.1,
    fontSize: 58, bold: true, color: ACCENT, fontFace: "Calibri",
    align: "center", charSpacing: 8
  });

  // Subtitle
  s.addText("Ayurvedic Perspective on Urinary & Metabolic Disorders", {
    x: 0.5, y: 1.78, w: 9, h: 0.5,
    fontSize: 18, color: LIGHT, fontFace: "Calibri", align: "center"
  });

  // Divider
  s.addShape(pres.ShapeType.rect, { x: 2.5, y: 2.38, w: 5, h: 0.04, fill: { color: ACCENT }, line: { type: "none" } });

  // Info boxes row
  const infos = [
    { label: "Subject", val: "Kayachikitsa" },
    { label: "Course", val: "BAMS 3rd Year" },
    { label: "Reference", val: "Brihattrayi" }
  ];
  infos.forEach((item, i) => {
    const bx = 1.0 + i * 2.8;
    s.addShape(pres.ShapeType.rect, { x: bx, y: 2.55, w: 2.4, h: 0.85, fill: { color: CARD }, line: { color: ACCENT, pt: 1 } });
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      x: bx + 0.1, y: 2.6, w: 2.2, h: 0.28,
      fontSize: 8, color: ACCENT, bold: true, fontFace: "Calibri", align: "center", charSpacing: 2
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    s.addText(item.val, {
      x: bx + 0.1, y: 2.88, w: 2.2, h: 0.42,
      fontSize: 12, color: LIGHT, fontFace: "Calibri", align: "center", bold: true
    });
  });

  // Bottom tag
  s.addText("Ashtamahagada  •  Ashtamaharoga  •  Tridoshaja Vyadhi", {
    x: 0.5, y: 4.95, w: 9, h: 0.4,
    fontSize: 10, color: MUTED, fontFace: "Calibri", align: "center", italic: true
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 2 — TABLE OF CONTENTS
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Contents at a Glance");

  const topics = [
    ["01", "Introduction & Definition"],
    ["02", "Nidana  (Etiology)"],
    ["03", "Purvarupa  (Prodromal Symptoms)"],
    ["04", "Rupa  (Clinical Features)"],
    ["05", "Samprapti  (Pathogenesis)"],
    ["06", "Classification  (Bheda)"],
    ["07", "Sadhyasadhyata  (Prognosis)"],
    ["08", "Chikitsa  (Treatment)"],
    ["09", "Pathya-Apathya  (Diet & Lifestyle)"],
    ["10", "Modern Correlation"],
  ];

  const cols = 2;
  const rows = Math.ceil(topics.length / cols);
  const startX = 0.5;
  const startY = 1.1;
  const cellW = 4.4;
  const cellH = 0.4;
  const gapX = 0.6;
  const gapY = 0.08;

  topics.forEach(([num, title], idx) => {
    const col = idx % cols;
    const row = Math.floor(idx / cols);
    const x = startX + col * (cellW + gapX);
    const y = startY + row * (cellH + gapY);

    s.addShape(pres.ShapeType.rect, { x, y, w: cellW, h: cellH, fill: { color: CARD }, line: { color: TEAL, pt: 0.5 } });
    s.addText(num, {
      x: x + 0.12, y: y + 0.04, w: 0.45, h: cellH - 0.08,
      fontSize: 13, bold: true, color: ACCENT, fontFace: "Calibri", valign: "middle"
    });
    s.addShape(pres.ShapeType.rect, { x: x + 0.6, y: y + 0.1, w: 0.03, h: cellH - 0.2, fill: { color: ACCENT }, line: { type: "none" } });
    s.addText(title, {
      x: x + 0.7, y: y + 0.04, w: cellW - 0.8, h: cellH - 0.08,
      fontSize: 11.5, color: LIGHT, fontFace: "Calibri", valign: "middle"
    });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 3 — INTRODUCTION & DEFINITION
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Introduction & Definition", "What is Prameha?");

  // Etymology box
  s.addShape(pres.ShapeType.rect, { x: 0.5, y: 1.1, w: 9, h: 0.85, fill: { color: TEAL }, line: { type: "none" } });
  s.addText([
    { text: "Etymology: ", options: { bold: true, color: ACCENT, fontSize: 13 } },
    { text: '"Pra" (प्र) + "Meha" (मेह) = Pra (excess/abnormal) + Meha (passing urine)', options: { color: LIGHT, fontSize: 12 } },
  ], { x: 0.7, y: 1.15, w: 8.5, h: 0.7, fontFace: "Calibri", valign: "middle" });

  // Definition cards
  const defs = [
    {
      title: "Charaka Samhita",
      text: "Prabhuta Avila Mutrata — Passage of urine in large quantity and turbid nature.\n(Ch. Ni. 4)"
    },
    {
      title: "Sushruta Samhita",
      text: "Madhura Mootram — Urine with sweet taste. Classified as one of Ashtamahagada.\n(Su. Ni. 6)"
    },
    {
      title: "Ashtanga Hridayam",
      text: "Vagbhata classifies Prameha as one of Ashtamaharoga (eight great diseases).\n(A.H. Ni. 10)"
    }
  ];

  defs.forEach((d, i) => {
    addCard(s, 0.5 + i * 3.1, 2.08, 2.95, 2.9, d.title, [d.text]);
  });

  s.addText("Key Point: Prameha is fundamentally a Kapha-predominant Tridoshaja Vyadhi involving vitiation of all 3 doshas and 10 dushyas.", {
    x: 0.5, y: 5.15, w: 9, h: 0.35,
    fontSize: 10, color: ACCENT, fontFace: "Calibri", italic: true, align: "center"
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 4 — NIDANA (ETIOLOGY)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Nidana — Etiology", "Causative Factors");

  const nidanas = [
    {
      title: "Ahara Nidana  (Dietary Causes)",
      items: [
        "Excessive intake of Nava Dhanya (new grains)",
        "Overconsumption of Ikshu Vikaras (sugarcane products)",
        "Excess Dadhi (curd), Milk, Mastu (whey)",
        "Overuse of Mamsa (meat), Masha (black gram)",
        "Excess Sneha (fats/oils) in diet",
        "Guru, Snigdha, Madhura Ahara"
      ]
    },
    {
      title: "Vihara Nidana  (Lifestyle Causes)",
      items: [
        "Divaswapna (day sleeping)",
        "Asya Sukha (sedentary lifestyle)",
        "Avyayama (lack of exercise)",
        "Achamana Panam (excessive drinking)",
        "Avyavaya (no sexual activity)"
      ]
    },
    {
      title: "Manasika & Other Nidana",
      items: [
        "Beeja Dosha (genetic/hereditary factors) — Sahaja Prameha",
        "Chinta, Shoka (mental stress)",
        "Apathyanimittaja — due to improper diet/regimen",
        "Kapha-Medas Sambandha (Kapha-fat interaction)",
        "Avarana of Vata (obstruction of Vata)"
      ]
    }
  ];

  nidanas.forEach((n, i) => {
    addCard(s, 0.5 + i * 3.1, 1.05, 2.95, 3.9, n.title, n.items);
  });

  s.addText("Mnemonic: \"DAMS\" — Divaswapna, Avyayama, Madhura Ahara, Sneha Sevan", {
    x: 0.5, y: 5.12, w: 9, h: 0.35,
    fontSize: 10.5, color: ACCENT, fontFace: "Calibri", bold: true, align: "center"
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 5 — PURVARUPA (PRODROMAL SYMPTOMS)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Purvarupa — Prodromal Symptoms", "Early Warning Signs");

  const symptoms = [
    { icon: "👁", label: "Akshi Upadeha", desc: "Stickiness / discharge around eyes" },
    { icon: "👋", label: "Hasta-Pada Daha", desc: "Burning sensation in palms & soles" },
    { icon: "🦟", label: "Pipilika Sanchara", desc: "Sensation of ants crawling on body" },
    { icon: "💧", label: "Shithila Twak", desc: "Looseness of skin" },
    { icon: "😴", label: "Tandra-Alasya", desc: "Drowsiness and lethargy" },
    { icon: "💧", label: "Atisvedam", desc: "Excessive perspiration" },
    { icon: "👃", label: "Mukhya Madhurya", desc: "Sweetness in mouth" },
    { icon: "🌬", label: "Karna Kandu", desc: "Itching in ears" },
    { icon: "🦷", label: "Danta Mala Sanchaya", desc: "Accumulation on teeth" },
    { icon: "🌑", label: "Hrit Spandana", desc: "Palpitations" },
    { icon: "💦", label: "Mootra Mardavam", desc: "Increased frequency of urination" },
    { icon: "🧠", label: "Indriya Gaurava", desc: "Heaviness of sense organs" },
  ];

  // Grid: 4 cols × 3 rows
  symptoms.forEach((sym, i) => {
    const col = i % 4;
    const row = Math.floor(i / 4);
    const x = 0.35 + col * 2.35;
    const y = 1.08 + row * 1.42;
    s.addShape(pres.ShapeType.rect, { x, y, w: 2.15, h: 1.22, fill: { color: CARD }, line: { color: TEAL, pt: 0.8 } });
    s.addText(sym.icon, { x, y: y + 0.08, w: 2.15, h: 0.38, fontSize: 20, align: "center" });
    s.addText(sym.label, { x: x + 0.08, y: y + 0.44, w: 1.99, h: 0.28, fontSize: 9.5, bold: true, color: ACCENT, fontFace: "Calibri", align: "center" });
    s.addText(sym.desc, { x: x + 0.08, y: y + 0.7, w: 1.99, h: 0.42, fontSize: 8.5, color: MUTED, fontFace: "Calibri", align: "center" });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 6 — CLASSIFICATION (BHEDA)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Bheda — Classification", "20 Types of Prameha");

  // Header row
  const headers = ["Doshaja Type", "Count", "Examples"];
  const colW = [3.5, 1.2, 4.5];
  const startX = 0.45;
  const headerY = 1.02;
  let cx = startX;
  headers.forEach((h, i) => {
    s.addShape(pres.ShapeType.rect, { x: cx, y: headerY, w: colW[i], h: 0.38, fill: { color: ACCENT }, line: { type: "none" } });
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    cx += colW[i] + 0.05;
  });

  const rows = [
    ["Kaphaja Prameha", "10 types", "Udaka, Ikshuvalikaprameha, Sandrameha, Sanoha, Shukrameha, Shitameha, Sikatameha, Shanairmeha, Alala, Phenameha"],
    ["Pittaja Prameha", "6 types", "Nilameha, Haritameha, Manjishthameha, Raktameha, Ksharameha, Neelamehaa (Manjishtha colored)"],
    ["Vataja Prameha", "4 types", "Vasameha, Majjameha, Hastimeha, Madhumeha (most severe — Diabetes)"],
  ];
  const rowColors = [CARD, "0F2440", CARD];

  rows.forEach((row, ri) => {
    const y = headerY + 0.43 + ri * 1.18;
    let cx2 = startX;
    row.forEach((cell, ci) => {
      s.addShape(pres.ShapeType.rect, { x: cx2, y, w: colW[ci], h: 1.1, fill: { color: rowColors[ri] }, line: { color: TEAL, pt: 0.5 } });
      s.addText(cell, {
        x: cx2 + 0.1, y: y + 0.06, w: colW[ci] - 0.2, h: 1.0,
        fontSize: ci === 2 ? 9 : 11, color: ci === 0 ? ACCENT : LIGHT,
        fontFace: "Calibri", bold: ci === 0, valign: "middle"
      });
      cx2 += colW[ci] + 0.05;
    });
  });

  // Sushruta classification
  s.addShape(pres.ShapeType.rect, { x: 0.45, y: 4.68, w: 9.1, h: 0.72, fill: { color: TEAL }, line: { type: "none" } });
  s.addText([
    { text: "Sushruta's Classification: ", options: { bold: true, color: ACCENT, fontSize: 11 } },
    { text: "(1) Sahaja Prameha — hereditary/genetic  |  (2) Apathyanimittaja — due to improper diet & lifestyle", options: { color: LIGHT, fontSize: 10.5 } }
  ], { x: 0.6, y: 4.72, w: 8.8, h: 0.6, fontFace: "Calibri", valign: "middle" });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 7 — SAMPRAPTI (PATHOGENESIS)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Samprapti — Pathogenesis", "How Prameha Develops");

  // Flowchart using boxes and arrows
  const steps = [
    { label: "Nidana Sevana", sub: "Guru/Snigdha Ahara, Sedentary life, Genetic factors", color: ACCENT },
    { label: "Kapha + Meda Vriddhi", sub: "Increased Kapha & Medas (fat) in the body", color: TEAL },
    { label: "Kleda Sanchaya", sub: "Accumulation of Kleda (moisture/waste products)", color: "1A5C8A" },
    { label: "Mutravaha Sroto Dushti", sub: "Vitiation of urinary channels (Mutravaha Srotas)", color: TEAL },
    { label: "Prameha Vyakti", sub: "Manifestation: Prabhuta Avila Mutrata", color: ACCENT },
    { label: "Madhumeha (Terminal)", sub: "All untreated Prameha → Vataja Madhumeha", color: "8B2020" },
  ];

  steps.forEach((step, i) => {
    const x = 0.5;
    const y = 1.05 + i * 0.72;
    const w = 7.5;
    const h = 0.55;

    s.addShape(pres.ShapeType.rect, { x, y, w, h, fill: { color: step.color }, line: { type: "none" } });
    s.addText(step.label, {
      x: x + 0.2, y: y + 0.02, w: 2.8, h: h - 0.04,
      fontSize: 12, bold: true, color: BG, fontFace: "Calibri", valign: "middle"
    });
    s.addText(step.sub, {
      x: x + 3.1, y: y + 0.02, w: w - 3.2, h: h - 0.04,
      fontSize: 10, color: LIGHT, fontFace: "Calibri", valign: "middle"
    });

    // Arrow
    if (i < steps.length - 1) {
      s.addText("▼", { x: x + 0.3, y: y + h, w: 0.4, h: 0.17, fontSize: 11, color: MUTED, fontFace: "Calibri", align: "center" });
    }
  });

  // Dushya column
  s.addShape(pres.ShapeType.rect, { x: 8.2, y: 1.05, w: 1.6, h: 4.32, fill: { color: CARD }, line: { color: ACCENT, pt: 1 } });
  s.addText("10 DUSHYAS", { x: 8.2, y: 1.1, w: 1.6, h: 0.3, fontSize: 9, bold: true, color: ACCENT, fontFace: "Calibri", align: "center" });
  const dushyas = ["Rasa", "Rakta", "Mamsa", "Meda", "Asthi", "Majja", "Shukra", "Lasika", "Vasa", "Mutra"];
  dushyas.forEach((d, i) => {
    s.addText(d, {
      x: 8.25, y: 1.42 + i * 0.38, w: 1.5, h: 0.3,
      fontSize: 9, color: i < 4 ? ACCENT : LIGHT, fontFace: "Calibri"
    });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 8 — RUPA (CLINICAL FEATURES)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Rupa — Clinical Features", "Signs & Symptoms of Prameha");

  // Two columns
  const colData = [
    {
      title: "Cardinal Symptoms",
      items: [
        "Prabhuta Mutrata — Polyuria (excess urine)",
        "Avila Mutrata — Turbid/cloudy urine",
        "Madhura Mutrata — Sweet/sticky urine (in Madhumeha)",
        "Atitrishna — Excessive thirst (Polydipsia)",
        "Atikshudha — Excessive hunger (Polyphagia)",
        "Daurbalya — General weakness",
        "Karshya or Sthaulya — Emaciation or Obesity"
      ]
    },
    {
      title: "Upadrava (Complications)",
      items: [
        "Prameha Pidika — Carbuncles / skin infections",
        "Vidradhi — Abscess formation",
        "Akshi Roga — Eye diseases (Retinopathy)",
        "Pada Daha — Burning sensation in feet (Neuropathy)",
        "Hridayopalepa — Cardiac complications",
        "Klaibya — Impotency / sexual dysfunction",
        "Chikitsya Prameha → Madhumeha if neglected"
      ]
    }
  ];

  colData.forEach((col, i) => {
    const x = 0.4 + i * 4.85;
    addCard(s, x, 1.0, 4.55, 4.4, col.title, col.items);
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 9 — SADHYASADHYATA (PROGNOSIS)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Sadhyasadhyata — Prognosis", "Treatability of Prameha");

  const types = [
    {
      label: "SADHYA",
      sub: "Curable",
      color: "1E7F3C",
      icon: "✅",
      points: [
        "Kaphaja Prameha — most amenable to treatment",
        "Nava (freshly manifested) Prameha",
        "Sthula (obese) patient with Nava Prameha",
        "Patient with good Bala (strength) and Ojas",
        "Without major Upadravas (complications)"
      ]
    },
    {
      label: "YAPYA",
      sub: "Manageable / Palliable",
      color: "8B6914",
      icon: "⚠️",
      points: [
        "Pittaja Prameha — can be managed but not fully cured",
        "Chronic / Jirna Prameha",
        "Moderate complications present",
        "Repeated relapses common",
        "Lifelong management required"
      ]
    },
    {
      label: "ASADHYA",
      sub: "Incurable",
      color: "8B2020",
      icon: "❌",
      points: [
        "Vataja Prameha (especially Madhumeha)",
        "Sahaja (hereditary/congenital) Prameha",
        "Krusha (emaciated) patient with Madhumeha",
        "Severe Ojakshaya (loss of vitality)",
        "Multiple Upadravas present"
      ]
    }
  ];

  types.forEach((t, i) => {
    const x = 0.4 + i * 3.1;
    s.addShape(pres.ShapeType.rect, { x, y: 1.05, w: 2.92, h: 0.5, fill: { color: t.color }, line: { type: "none" } });
    s.addText(`${t.icon}  ${t.label}`, { x: x + 0.1, y: 1.08, w: 2.7, h: 0.25, fontSize: 13, bold: true, color: LIGHT, fontFace: "Calibri" });
    s.addText(t.sub, { x: x + 0.1, y: 1.33, w: 2.7, h: 0.18, fontSize: 10, color: MUTED, fontFace: "Calibri", italic: true });

    s.addShape(pres.ShapeType.rect, { x, y: 1.6, w: 2.92, h: 3.8, fill: { color: CARD }, line: { color: t.color, pt: 1 } });
    const items = t.points.map((p, pi) => ({
      text: p, options: { bullet: true, breakLine: pi < t.points.length - 1, color: pi === 0 ? ACCENT : LIGHT, fontSize: 10, fontFace: "Calibri" }
    }));
    s.addText(items, { x: x + 0.12, y: 1.7, w: 2.68, h: 3.6, valign: "top" });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 10 — CHIKITSA (TREATMENT)
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Chikitsa — Treatment Principles", "Management of Prameha");

  // Treatment approach row
  s.addShape(pres.ShapeType.rect, { x: 0.4, y: 1.05, w: 9.2, h: 0.55, fill: { color: TEAL }, line: { type: "none" } });
  s.addText([
    { text: "Chikitsa Sutra: ", options: { bold: true, color: ACCENT } },
    { text: "Apatarpana (depletion) for Sthula Pramehi  |  Santarpana (nourishment) for Krusha Pramehi  |  Samana for moderate cases", options: { color: LIGHT } }
  ], { x: 0.6, y: 1.08, w: 8.9, h: 0.48, fontSize: 11, fontFace: "Calibri", valign: "middle" });

  const chikitsas = [
    {
      title: "Sanshodhana Chikitsa",
      items: [
        "Vamana (emesis) — for Kaphaja Prameha",
        "Virechana (purgation) — for Pittaja",
        "Basti (enema) — for Vataja / Madhumeha",
        "Udwartana — dry powder massage"
      ]
    },
    {
      title: "Dravya Chikitsa (Key Herbs)",
      items: [
        "Shilajatu — chief drug for Prameha",
        "Guduchi (Tinospora), Haridra",
        "Nimba (Neem), Karela (Bitter gourd)",
        "Triphala, Vijayasara, Meshashringi",
        "Chandraprabha Vati — classical formulation"
      ]
    },
    {
      title: "Adravya Chikitsa",
      items: [
        "Vyayama (exercise) — essential daily",
        "Divaswapna strictly prohibited",
        "Yoga: Surya Namaskar, Pranayama",
        "Mental peace — avoid Chinta & Shoka"
      ]
    }
  ];

  chikitsas.forEach((c, i) => {
    addCard(s, 0.4 + i * 3.1, 1.72, 2.92, 3.62, c.title, c.items);
  });

  s.addText("Classical Yoga: Chandraprabha Vati • Nishamalaki • Vasanta Kusumakar Rasa • Trivanga Bhasma", {
    x: 0.4, y: 5.28, w: 9.2, h: 0.28,
    fontSize: 9.5, color: MUTED, fontFace: "Calibri", italic: true, align: "center"
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 11 — PATHYA-APATHYA
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Pathya-Apathya — Diet & Lifestyle", "Do's and Don'ts in Prameha");

  // PATHYA
  s.addShape(pres.ShapeType.rect, { x: 0.4, y: 1.05, w: 0.08, h: 4.2, fill: { color: TEAL }, line: { type: "none" } });
  s.addText("✅  PATHYA (Beneficial)", { x: 0.6, y: 1.05, w: 4, h: 0.38, fontSize: 14, bold: true, color: TEAL, fontFace: "Calibri" });

  const pathya = [
    "Purana Dhanya — old grains (Yava/barley is best)",
    "Takra (buttermilk), Mudga (green gram)",
    "Bitter vegetables: Karela, Patola, Neem",
    "Madhavika, Jambu (Indian gooseberry)",
    "Light, dry, non-fatty food",
    "Warm water for drinking",
    "Regular physical exercise (Vyayama)",
    "Udwartana with dry powders"
  ];
  pathya.forEach((p, i) => {
    s.addText([
      { text: "• ", options: { color: TEAL, bold: true } },
      { text: p, options: { color: LIGHT } }
    ], { x: 0.6, y: 1.48 + i * 0.45, w: 4.3, h: 0.38, fontSize: 10.5, fontFace: "Calibri" });
  });

  // Divider
  s.addShape(pres.ShapeType.rect, { x: 5.0, y: 1.05, w: 0.05, h: 4.5, fill: { color: ACCENT }, line: { type: "none" } });

  // APATHYA
  s.addText("❌  APATHYA (Harmful)", { x: 5.2, y: 1.05, w: 4.5, h: 0.38, fontSize: 14, bold: true, color: "C0392B", fontFace: "Calibri" });
  const apathya = [
    "Nava Dhanya — new/fresh grains",
    "Ikshu Vikara — sugarcane products, jaggery, sugar",
    "Guru, Abhishyandi Ahara (heavy food)",
    "Dadhi (curd), Payasa (milk preparations)",
    "Masha, Urad dal, oily fried foods",
    "Divaswapna (day sleeping) — strictly avoided",
    "Sedentary lifestyle, lack of exercise",
    "Alcohol, Maireya (fermented drinks)"
  ];
  apathya.forEach((a, i) => {
    s.addText([
      { text: "• ", options: { color: "C0392B", bold: true } },
      { text: a, options: { color: LIGHT } }
    ], { x: 5.2, y: 1.48 + i * 0.45, w: 4.5, h: 0.38, fontSize: 10.5, fontFace: "Calibri" });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 12 — MODERN CORRELATION
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Modern Correlation", "Prameha ↔ Diabetes Mellitus & Metabolic Syndrome");

  // Correlation table
  const headers = ["Ayurvedic Concept", "Modern Equivalent"];
  const tableRows = [
    ["Prameha (all 20 types)", "Urinary disorders + Metabolic Syndrome"],
    ["Madhumeha (Vataja)", "Diabetes Mellitus (Type 1 & Type 2)"],
    ["Sahaja Prameha / Jatah Pramehi", "Type 1 Diabetes Mellitus (Juvenile)"],
    ["Apathyanimittaja Prameha", "Type 2 Diabetes Mellitus (Lifestyle-induced)"],
    ["Sthaulya + Prameha", "Obesity + Metabolic Syndrome"],
    ["Ojameha / Shukrameha", "Proteinuria / Glycosuria states"],
    ["Prameha Pidika", "Diabetic carbuncles / skin infections"],
    ["Dhatukshyaja Madhumeha", "Type 1 DM (Insulin deficiency state)"],
    ["Avaranajanya Madhumeha", "Type 2 DM (Insulin resistance state)"],
  ];

  const tStartY = 1.08;
  const tRowH = 0.42;
  const colWidths = [4.2, 4.7];
  const tStartX = 0.45;

  // Header
  let hx = tStartX;
  headers.forEach((h, i) => {
    s.addShape(pres.ShapeType.rect, { x: hx, y: tStartY, w: colWidths[i], h: 0.38, fill: { color: ACCENT }, line: { type: "none" } });
    s.addText(h, { x: hx + 0.1, y: tStartY + 0.04, w: colWidths[i] - 0.2, h: 0.3, fontSize: 12, bold: true, color: BG, fontFace: "Calibri", valign: "middle" });
    hx += colWidths[i] + 0.1;
  });

  tableRows.forEach((row, ri) => {
    const y = tStartY + 0.42 + ri * tRowH;
    const bg = ri % 2 === 0 ? CARD : "0E2540";
    let rx = tStartX;
    row.forEach((cell, ci) => {
      s.addShape(pres.ShapeType.rect, { x: rx, y, w: colWidths[ci], h: tRowH - 0.03, fill: { color: bg }, line: { color: TEAL, pt: 0.3 } });
      s.addText(cell, {
        x: rx + 0.1, y: y + 0.04, w: colWidths[ci] - 0.2, h: tRowH - 0.1,
        fontSize: 10, color: ci === 0 ? ACCENT : LIGHT, fontFace: "Calibri", valign: "middle"
      });
      rx += colWidths[ci] + 0.1;
    });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 13 — SUMMARY / QUICK REVISION
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);
  addSlideTitle(s, "Quick Revision — Remember This!", "High-Yield Points for Exams");

  const points = [
    { num: "1", text: "Prameha = 20 types (10 Kaphaja + 6 Pittaja + 4 Vataja). Madhumeha is most severe." },
    { num: "2", text: "Dushyas = 10 (Rasa, Rakta, Mamsa, Meda, Asthi, Majja, Shukra, Lasika, Vasa, Mutra)" },
    { num: "3", text: "Sahaja Prameha = Type 1 DM | Apathyanimittaja Prameha = Type 2 DM" },
    { num: "4", text: "Sthula Pramehi → Apatarpana Chikitsa | Krusha Pramehi → Santarpana Chikitsa" },
    { num: "5", text: "Chief drug: Shilajatu. Classical formula: Chandraprabha Vati." },
    { num: "6", text: "Vataja Prameha = Asadhya | Kaphaja = Sadhya | Pittaja = Yapya" },
    { num: "7", text: "Mnemonic for Nidana: DAMS (Divaswapna, Avyayama, Madhura Ahara, Sneha)" },
    { num: "8", text: "Yava (barley) is the BEST Pathya grain in Prameha." },
  ];

  points.forEach((p, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = 0.4 + col * 4.85;
    const y = 1.05 + row * 1.1;
    s.addShape(pres.ShapeType.rect, { x, y, w: 4.65, h: 0.95, fill: { color: CARD }, line: { color: ACCENT, pt: 0.8 } });
    s.addShape(pres.ShapeType.rect, { x, y, w: 0.42, h: 0.95, fill: { color: ACCENT }, line: { type: "none" } });
    s.addText(p.num, { x, y: y + 0.26, w: 0.42, h: 0.42, fontSize: 14, bold: true, color: BG, fontFace: "Calibri", align: "center" });
    s.addText(p.text, {
      x: x + 0.5, y: y + 0.08, w: 4.1, h: 0.8,
      fontSize: 10, color: LIGHT, fontFace: "Calibri", valign: "middle"
    });
  });
}

// ═══════════════════════════════════════════════════════════
// SLIDE 14 — THANK YOU
// ═══════════════════════════════════════════════════════════
{
  const s = pres.addSlide();
  addBg(s);

  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 1.8, fill: { color: TEAL }, line: { type: "none" } });
  s.addShape(pres.ShapeType.rect, { x: 0, y: 4.8, w: 10, h: 0.825, fill: { color: ACCENT }, line: { type: "none" } });

  s.addText("धन्यवाद", {
    x: 0.5, y: 0.3, w: 9, h: 1.1,
    fontSize: 52, bold: true, color: ACCENT, fontFace: "Calibri", align: "center"
  });

  s.addText("Thank You", {
    x: 0.5, y: 1.9, w: 9, h: 0.65,
    fontSize: 32, bold: true, color: LIGHT, fontFace: "Calibri", align: "center"
  });

  s.addShape(pres.ShapeType.rect, { x: 2.5, y: 2.65, w: 5, h: 0.05, fill: { color: ACCENT }, line: { type: "none" } });

  s.addText([
    { text: "Prameha", options: { bold: true, color: ACCENT, fontSize: 18 } },
    { text: "  —  Kayachikitsa, BAMS 3rd Year", options: { color: LIGHT, fontSize: 15 } }
  ], { x: 0.5, y: 2.82, w: 9, h: 0.5, fontFace: "Calibri", align: "center" });

  s.addText('"स्वस्थस्य स्वास्थ्य रक्षणं, आतुरस्य विकार प्रशमनं च"', {
    x: 0.5, y: 3.45, w: 9, h: 0.55,
    fontSize: 13, color: MUTED, fontFace: "Calibri", italic: true, align: "center"
  });
  s.addText("Preserve the health of the healthy; cure the diseases of the sick  — Charaka Samhita", {
    x: 0.5, y: 3.95, w: 9, h: 0.38,
    fontSize: 10, color: MUTED, fontFace: "Calibri", italic: true, align: "center"
  });

  s.addText("References: Charaka Samhita (Nidana 4, Chikitsa 6)  |  Sushruta Samhita (Nidana 6, Chikitsa 11–13)  |  Ashtanga Hridayam (Nidana 10)", {
    x: 0.5, y: 4.84, w: 9, h: 0.35,
    fontSize: 9, color: BG, fontFace: "Calibri", align: "center", bold: true
  });
}

// ─── SAVE ─────────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/solar-system-ppt/Prameha_Kayachikitsa_BAMS3.pptx" })
  .then(() => console.log("✅ Saved: Prameha_Kayachikitsa_BAMS3.pptx"))
  .catch(err => { console.error("❌ Error:", err); process.exit(1); });