const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = "LAYOUT_16x9";
pres.title = "Integrated Disease Surveillance Programme (IDSP)";

// ─── COLOR PALETTE ───
const C = {
  darkBlue:   "0B1E3E",   // dominant - slide backgrounds
  midBlue:    "1A3F6F",   // section headers / card fills
  teal:       "0E8C8C",   // accent lines / icons
  amber:      "F4A100",   // accent text / highlights
  white:      "FFFFFF",
  lightGray:  "E8EEF6",
  textLight:  "D0DCF0",
};

// ─── HELPERS ───
function titleBar(slide, title, sub) {
  // left accent stripe
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.08, h: 5.625, fill: { color: C.teal } });
  // heading
  slide.addText(title, {
    x: 0.25, y: 0.22, w: 9.5, h: 0.55,
    fontSize: 26, bold: true, color: C.amber, fontFace: "Calibri",
    margin: 0,
  });
  if (sub) {
    slide.addText(sub, {
      x: 0.25, y: 0.82, w: 9.5, h: 0.3,
      fontSize: 13, color: C.textLight, fontFace: "Calibri", italic: true, margin: 0,
    });
  }
  // bottom rule
  slide.addShape(pres.ShapeType.rect, { x: 0.25, y: 1.18, w: 9.5, h: 0.04, fill: { color: C.teal } });
}

function darkBg(slide) {
  slide.background = { color: C.darkBlue };
}

function card(slide, x, y, w, h, fillColor) {
  slide.addShape(pres.ShapeType.roundRect, {
    x, y, w, h,
    fill: { color: fillColor || C.midBlue },
    line: { color: C.teal, width: 1.2 },
    rectRadius: 0.08,
  });
}

// ═══════════════════════════════════
// SLIDE 1 – TITLE SLIDE
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);

  // big gradient-feel backdrop rectangle
  s.addShape(pres.ShapeType.rect, {
    x: 0, y: 0, w: 10, h: 5.625,
    fill: { type: "solid", color: C.darkBlue },
  });

  // Decorative accent bar left
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.12, h: 5.625, fill: { color: C.teal } });

  // Decorative accent bar right
  s.addShape(pres.ShapeType.rect, { x: 9.88, y: 0, w: 0.12, h: 5.625, fill: { color: C.amber } });

  // Top strip
  s.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 0.08, fill: { color: C.teal } });

  // Bottom strip
  s.addShape(pres.ShapeType.rect, { x: 0, y: 5.545, w: 10, h: 0.08, fill: { color: C.amber } });

  // emblem/circle
  s.addShape(pres.ShapeType.ellipse, { x: 4.3, y: 0.5, w: 1.4, h: 1.4, fill: { color: C.teal }, line: { color: C.amber, width: 2 } });
  s.addText("IDSP", { x: 4.3, y: 0.72, w: 1.4, h: 0.55, fontSize: 20, bold: true, color: C.white, align: "center", fontFace: "Calibri", margin: 0 });

  // Main title
  s.addText("Integrated Disease", {
    x: 0.5, y: 2.05, w: 9, h: 0.72,
    fontSize: 38, bold: true, color: C.white,
    align: "center", fontFace: "Calibri", margin: 0,
  });
  s.addText("Surveillance Programme", {
    x: 0.5, y: 2.75, w: 9, h: 0.72,
    fontSize: 38, bold: true, color: C.amber,
    align: "center", fontFace: "Calibri", margin: 0,
  });
  s.addText("(IDSP)", {
    x: 0.5, y: 3.45, w: 9, h: 0.45,
    fontSize: 22, bold: false, color: C.textLight,
    align: "center", fontFace: "Calibri", margin: 0,
  });

  // tagline
  s.addShape(pres.ShapeType.rect, { x: 2.5, y: 4.1, w: 5, h: 0.04, fill: { color: C.teal } });
  s.addText("India's Nationwide Disease Monitoring & Early Warning System", {
    x: 0.5, y: 4.25, w: 9, h: 0.38,
    fontSize: 13, italic: true, color: C.textLight,
    align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ═══════════════════════════════════
// SLIDE 2 – OVERVIEW
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "What is IDSP?", "Background and Overview");

  const bullets = [
    "Nationwide disease surveillance system integrating state and central government health data",
    "Launched in November 2004 with World Bank assistance (2004–2010); continued under National Health Mission",
    "Aims at early detection and long-term monitoring of epidemic-prone diseases",
    "Operates through a three-tier structure: Central, State, and District Surveillance Units",
    "Covers all 36 States/UTs and 741+ districts; weekly data reported from >90% of districts",
    "Upgraded to Integrated Health Information Platform (IHIP) in 2019 for digital real-time surveillance",
  ];

  bullets.forEach((b, i) => {
    const yBase = 1.38 + i * 0.65;
    // bullet circle
    s.addShape(pres.ShapeType.ellipse, { x: 0.3, y: yBase + 0.07, w: 0.22, h: 0.22, fill: { color: C.teal } });
    s.addText(b, {
      x: 0.65, y: yBase, w: 9.1, h: 0.55,
      fontSize: 13.5, color: C.white, fontFace: "Calibri",
      valign: "middle", margin: 0,
    });
  });
}

// ═══════════════════════════════════
// SLIDE 3 – OBJECTIVES
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Objectives of IDSP", "Core goals of the programme");

  const objs = [
    { icon: "🎯", title: "Decentralized Surveillance", text: "Establish state-based surveillance system for epidemic-prone diseases" },
    { icon: "🔬", title: "Laboratory Strengthening", text: "Strengthen public health labs for diagnosis and confirmation of cases" },
    { icon: "⚡", title: "Early Warning", text: "Monitor disease trends and detect outbreaks in the early rising phase" },
    { icon: "🤝", title: "Inter-sectoral Coordination", text: "Coordinate with animal husbandry and other sectors for zoonotic diseases" },
    { icon: "💻", title: "IT-Enabled System", text: "Use ICT for real-time collection, analysis, and dissemination of data" },
    { icon: "🚑", title: "Rapid Response", text: "Enable rapid response teams (RRTs) to investigate and control outbreaks" },
  ];

  const cols = [0.2, 5.1];
  const rows = [1.35, 2.7, 4.05];

  objs.forEach((o, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = cols[col];
    const y = rows[row];
    card(s, x, y, 4.7, 1.1, "152A52");
    s.addText(o.icon + "  " + o.title, {
      x: x + 0.15, y: y + 0.1, w: 4.4, h: 0.35,
      fontSize: 13, bold: true, color: C.amber, fontFace: "Calibri", margin: 0,
    });
    s.addText(o.text, {
      x: x + 0.15, y: y + 0.45, w: 4.4, h: 0.55,
      fontSize: 11.5, color: C.textLight, fontFace: "Calibri", margin: 0,
    });
  });
}

// ═══════════════════════════════════
// SLIDE 4 – ORGANIZATIONAL STRUCTURE
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Organizational Structure", "Three-tier surveillance hierarchy");

  // Central Level
  card(s, 3.3, 1.35, 3.4, 1.0, "0E4E6E");
  s.addText("CENTRAL SURVEILLANCE UNIT (CSU)", {
    x: 3.3, y: 1.38, w: 3.4, h: 0.38,
    fontSize: 11.5, bold: true, color: C.amber, align: "center", fontFace: "Calibri", margin: 0,
  });
  s.addText("National Centre for Disease Control, Delhi\nMinistry of Health & Family Welfare", {
    x: 3.3, y: 1.76, w: 3.4, h: 0.5,
    fontSize: 10, color: C.textLight, align: "center", fontFace: "Calibri", margin: 0,
  });

  // Arrow down
  s.addShape(pres.ShapeType.rect, { x: 4.95, y: 2.38, w: 0.1, h: 0.45, fill: { color: C.teal } });
  s.addText("▼", { x: 4.7, y: 2.77, w: 0.6, h: 0.3, fontSize: 14, color: C.teal, align: "center", margin: 0 });

  // State Level
  card(s, 1.5, 3.1, 3.4, 1.0, "0E4E6E");
  s.addText("STATE SURVEILLANCE UNIT (SSU)", {
    x: 1.5, y: 3.13, w: 3.4, h: 0.38,
    fontSize: 11.5, bold: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
  });
  s.addText("State/UT Headquarters\nState Epidemiologist, Microbiologist", {
    x: 1.5, y: 3.51, w: 3.4, h: 0.5,
    fontSize: 10, color: C.textLight, align: "center", fontFace: "Calibri", margin: 0,
  });

  // Arrow
  s.addShape(pres.ShapeType.rect, { x: 4.95, y: 3.1, w: 0.1, h: 0.45, fill: { color: C.teal } });
  s.addText("▼", { x: 4.7, y: 3.49, w: 0.6, h: 0.3, fontSize: 14, color: C.teal, align: "center", margin: 0 });

  // District Level
  card(s, 5.1, 3.1, 3.4, 1.0, "0E4E6E");
  s.addText("DISTRICT SURVEILLANCE UNIT (DSU)", {
    x: 5.1, y: 3.13, w: 3.4, h: 0.38,
    fontSize: 11.5, bold: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
  });
  s.addText("All Districts\nDistrict Surveillance Officer, RRT", {
    x: 5.1, y: 3.51, w: 3.4, h: 0.5,
    fontSize: 10, color: C.textLight, align: "center", fontFace: "Calibri", margin: 0,
  });

  // Connecting line state to district
  s.addShape(pres.ShapeType.rect, { x: 4.9, y: 3.55, w: 0.2, h: 0.05, fill: { color: C.teal } });

  // Health Facilities row
  s.addText("Data Sources: Medical Colleges | Hospitals | PHCs | Labs | Private Sector | Media Scanning", {
    x: 0.3, y: 4.45, w: 9.4, h: 0.38,
    fontSize: 11.5, color: C.amber, align: "center", fontFace: "Calibri",
    bold: false, italic: true, margin: 0,
  });
  s.addShape(pres.ShapeType.rect, { x: 0.3, y: 4.42, w: 9.4, h: 0.04, fill: { color: C.teal } });
}

// ═══════════════════════════════════
// SLIDE 5 – REPORTING FORMATS (S-P-L)
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "IDSP Reporting Formats", "S – P – L Reporting System");

  const formats = [
    {
      code: "S", label: "Suspected Cases",
      who: "Health Workers / ASHAs / ANMs",
      desc: "Community-level reporting of suspected illness based on symptoms. First line of surveillance capturing early warning signals.",
      color: "1A5E5E",
    },
    {
      code: "P", label: "Presumptive Cases",
      who: "Clinicians / Medical Officers",
      desc: "Clinically diagnosed cases at OPD/IPD based on clinical features. Provides physician perspective on disease trends.",
      color: "1A4A6E",
    },
    {
      code: "L", label: "Lab-Confirmed Cases",
      who: "Laboratory Staff",
      desc: "Laboratory-confirmed diagnosis with test results. Most specific data used for definitive outbreak confirmation.",
      color: "4E2A6E",
    },
  ];

  formats.forEach((f, i) => {
    const x = 0.3 + i * 3.2;
    card(s, x, 1.35, 3.0, 3.8, f.color);

    // code circle
    s.addShape(pres.ShapeType.ellipse, { x: x + 1.15, y: 1.5, w: 0.7, h: 0.7, fill: { color: C.teal } });
    s.addText(f.code, { x: x + 1.15, y: 1.52, w: 0.7, h: 0.55, fontSize: 22, bold: true, color: C.white, align: "center", margin: 0 });

    s.addText(f.label, {
      x: x + 0.1, y: 2.3, w: 2.8, h: 0.45,
      fontSize: 14, bold: true, color: C.amber, align: "center", fontFace: "Calibri", margin: 0,
    });
    s.addText("Reported by:", {
      x: x + 0.1, y: 2.78, w: 2.8, h: 0.3,
      fontSize: 10, italic: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
    });
    s.addText(f.who, {
      x: x + 0.1, y: 3.08, w: 2.8, h: 0.3,
      fontSize: 10.5, bold: true, color: C.white, align: "center", fontFace: "Calibri", margin: 0,
    });
    s.addText(f.desc, {
      x: x + 0.1, y: 3.45, w: 2.8, h: 1.5,
      fontSize: 10.5, color: C.textLight, align: "center", fontFace: "Calibri", margin: 0,
    });
  });

  s.addText("Data is collected daily on the IHIP portal and analyzed for disease trends, seasonality, and outbreak detection.", {
    x: 0.3, y: 5.18, w: 9.4, h: 0.3,
    fontSize: 11, italic: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ═══════════════════════════════════
// SLIDE 6 – PROGRAMME COMPONENTS
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Programme Components", "Five pillars of IDSP");

  const comps = [
    { num: "01", title: "Integration & Decentralization", text: "Surveillance units at State & District levels for region-specific disease monitoring and response" },
    { num: "02", title: "Human Resource Development", text: "Training of DSOs, Epidemiologists, Microbiologists, RRTs on surveillance principles and outbreak response" },
    { num: "03", title: "Information & Communication Technology", text: "IT-enabled collection, collation, analysis and dissemination of disease data through IHIP portal" },
    { num: "04", title: "Laboratory Strengthening", text: "Capacity building of public health labs for quality diagnosis and confirmation of reportable diseases" },
    { num: "05", title: "Inter-sectoral Coordination", text: "Collaboration with Animal Husbandry dept, Environment & other sectors for zoonotic disease control" },
  ];

  comps.forEach((c, i) => {
    const y = 1.35 + i * 0.82;
    // numbered badge
    s.addShape(pres.ShapeType.rect, { x: 0.2, y, w: 0.55, h: 0.62, fill: { color: C.teal }, rectRadius: 0.05 });
    s.addText(c.num, { x: 0.2, y: y + 0.05, w: 0.55, h: 0.52, fontSize: 15, bold: true, color: C.white, align: "center", margin: 0 });
    // content
    s.addText(c.title, { x: 0.9, y: y + 0.02, w: 4.8, h: 0.28, fontSize: 13, bold: true, color: C.amber, fontFace: "Calibri", margin: 0 });
    s.addText(c.text, { x: 0.9, y: y + 0.3, w: 8.9, h: 0.4, fontSize: 11.5, color: C.textLight, fontFace: "Calibri", margin: 0 });
    if (i < 4) s.addShape(pres.ShapeType.rect, { x: 0.2, y: y + 0.68, w: 9.6, h: 0.02, fill: { color: "2A4060" } });
  });
}

// ═══════════════════════════════════
// SLIDE 7 – DISEASES UNDER IDSP
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Diseases Under IDSP Surveillance", "Epidemic-prone diseases monitored");

  const cats = [
    {
      cat: "Fever-based Syndromes",
      items: ["Malaria", "Dengue / Chikungunya", "Typhoid", "Leptospirosis", "Scrub Typhus"],
    },
    {
      cat: "Respiratory Illnesses",
      items: ["Influenza-like Illness (ILI)", "Severe Acute Respiratory Infection (SARI)", "Pneumonia", "COVID-19"],
    },
    {
      cat: "Diarrhoeal Diseases",
      items: ["Cholera", "Acute Diarrhoeal Disease (ADD)", "Acute Gastroenteritis", "Food Poisoning"],
    },
    {
      cat: "Neurological & Others",
      items: ["Acute Encephalitis Syndrome (AES)", "Acute Flaccid Paralysis (AFP)", "Measles / Rubella", "Hepatitis A & E"],
    },
  ];

  const xs = [0.2, 5.1];
  const ys = [1.35, 3.05];

  cats.forEach((cat, i) => {
    const x = xs[i % 2];
    const y = ys[Math.floor(i / 2)];
    card(s, x, y, 4.7, 1.55, "0A2A4A");
    s.addText(cat.cat, {
      x: x + 0.15, y: y + 0.08, w: 4.4, h: 0.32,
      fontSize: 13, bold: true, color: C.amber, fontFace: "Calibri", margin: 0,
    });
    cat.items.forEach((item, j) => {
      s.addShape(pres.ShapeType.ellipse, { x: x + 0.18, y: y + 0.48 + j * 0.23, w: 0.1, h: 0.1, fill: { color: C.teal } });
      s.addText(item, {
        x: x + 0.35, y: y + 0.44 + j * 0.23, w: 4.2, h: 0.22,
        fontSize: 11, color: C.white, fontFace: "Calibri", margin: 0,
      });
    });
  });

  s.addText("+ Zoonotic diseases, Vector-borne diseases, Vaccine-preventable diseases & Unusual Health Events", {
    x: 0.3, y: 4.82, w: 9.4, h: 0.35,
    fontSize: 11, italic: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ═══════════════════════════════════
// SLIDE 8 – ICT & IHIP PORTAL
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "ICT & the IHIP Portal", "Technology backbone of IDSP");

  const features = [
    { icon: "📱", text: "Real-time data reporting via mobile application – accessible at village, state & central levels" },
    { icon: "📊", text: "Advanced data modeling & analytical tools for trend analysis and forecasting" },
    { icon: "🗺️", text: "GIS-enabled graphical representation of data with integrated surveillance dashboard" },
    { icon: "🔔", text: "Role & hierarchy-based feedback and automated alert mechanisms" },
    { icon: "📍", text: "Geo-tagging of reporting health facilities for spatial mapping" },
    { icon: "🔗", text: "Scope for data integration with other national health programs (NVBDCP, RNTCP, etc.)" },
  ];

  features.forEach((f, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = col === 0 ? 0.2 : 5.1;
    const y = 1.38 + row * 1.3;
    card(s, x, y, 4.7, 1.1, "0F2E4A");
    s.addText(f.icon, { x: x + 0.15, y: y + 0.3, w: 0.45, h: 0.45, fontSize: 22, margin: 0 });
    s.addText(f.text, {
      x: x + 0.65, y: y + 0.12, w: 3.9, h: 0.85,
      fontSize: 11.5, color: C.white, fontFace: "Calibri", valign: "middle", margin: 0,
    });
  });

  s.addText("IHIP replaced the older IDSP portal in 2019, enabling digital-first, paperless surveillance across all tiers.", {
    x: 0.3, y: 5.18, w: 9.4, h: 0.28,
    fontSize: 10.5, italic: true, color: C.teal, align: "center", fontFace: "Calibri", margin: 0,
  });
}

// ═══════════════════════════════════
// SLIDE 9 – OUTBREAK RESPONSE & MEDIA SCANNING
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Outbreak Response & Media Scanning", "Detection, verification and control");

  // Left column – outbreak response
  s.addText("Outbreak Surveillance & Response", {
    x: 0.3, y: 1.35, w: 4.5, h: 0.38,
    fontSize: 15, bold: true, color: C.amber, fontFace: "Calibri", margin: 0,
  });

  const outbreak = [
    "SSU receives disease outbreak reports from districts on a daily basis",
    "Rising trends trigger investigation by Rapid Response Teams (RRTs)",
    "RRTs confirm diagnosis and implement containment measures",
    "Outbreak data shared with national level for coordinated response",
    "Post-outbreak analysis used to improve future preparedness",
  ];
  outbreak.forEach((b, i) => {
    const y = 1.85 + i * 0.62;
    s.addShape(pres.ShapeType.ellipse, { x: 0.3, y: y + 0.07, w: 0.22, h: 0.22, fill: { color: C.teal } });
    s.addText(b, { x: 0.62, y, w: 4.0, h: 0.55, fontSize: 12, color: C.white, fontFace: "Calibri", valign: "middle", margin: 0 });
  });

  // Divider
  s.addShape(pres.ShapeType.rect, { x: 4.95, y: 1.35, w: 0.08, h: 3.9, fill: { color: C.teal } });

  // Right column – media scanning
  s.addText("Media Scanning & Verification Cell", {
    x: 5.15, y: 1.35, w: 4.5, h: 0.38,
    fontSize: 15, bold: true, color: C.amber, fontFace: "Calibri", margin: 0,
  });

  const media = [
    "Established in July 2008 for Event-Based Surveillance",
    "Monitors electronic & print media for unusual health events",
    "Alerts verified by field teams before escalation",
    "Helps detect clusters not yet reported through routine channels",
    "Functional at State HQ level across all states",
  ];
  media.forEach((b, i) => {
    const y = 1.85 + i * 0.62;
    s.addShape(pres.ShapeType.ellipse, { x: 5.15, y: y + 0.07, w: 0.22, h: 0.22, fill: { color: C.amber } });
    s.addText(b, { x: 5.48, y, w: 4.2, h: 0.55, fontSize: 12, color: C.white, fontFace: "Calibri", valign: "middle", margin: 0 });
  });
}

// ═══════════════════════════════════
// SLIDE 10 – HUMAN RESOURCES & TRAINING
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Human Resources & Training", "Workforce capacity building under IDSP");

  const roles = [
    { role: "State Epidemiologist", resp: "Lead surveillance activities at state level, analyze data, coordinate with CSU" },
    { role: "District Surveillance Officer (DSO)", resp: "Manage DSU operations, supervise reporting, investigate outbreaks" },
    { role: "Rapid Response Teams (RRT)", resp: "Field investigation of outbreaks; includes clinicians, epidemiologists, lab staff" },
    { role: "Microbiologists", resp: "Lab diagnosis and confirmation; support public health labs at state/district level" },
    { role: "Entomologists", resp: "Vector surveillance and control in cases of vector-borne disease outbreaks" },
    { role: "Data Entry Operators", resp: "Data management, entry into IHIP, and timely reporting to higher authorities" },
  ];

  roles.forEach((r, i) => {
    const col = i % 2;
    const row = Math.floor(i / 2);
    const x = col === 0 ? 0.2 : 5.1;
    const y = 1.38 + row * 1.3;
    card(s, x, y, 4.7, 1.1, "102040");
    s.addText(r.role, {
      x: x + 0.15, y: y + 0.1, w: 4.4, h: 0.32,
      fontSize: 13, bold: true, color: C.amber, fontFace: "Calibri", margin: 0,
    });
    s.addText(r.resp, {
      x: x + 0.15, y: y + 0.44, w: 4.4, h: 0.56,
      fontSize: 11, color: C.textLight, fontFace: "Calibri", margin: 0,
    });
  });
}

// ═══════════════════════════════════
// SLIDE 11 – STRENGTHS & CHALLENGES
// ═══════════════════════════════════
{
  const s = pres.addSlide();
  darkBg(s);
  titleBar(s, "Strengths & Challenges", "Programme performance assessment");

  const strengths = [
    "Strong government ownership at central & state levels",
    "IT-enabled platform (IHIP) enables real-time data flow",
    "Wide reach – all 741+ districts report surveillance data",
    "Integrated approach covers multiple disease programs",
    "Media Scanning Cell adds event-based surveillance layer",
    "Established RRTs for rapid outbreak response",
  ];

  const challenges = [
    "Shortage of dedicated trained staff at district/block levels",
    "Underreporting from private sector health facilities",
    "Gaps in data quality and timeliness in some states",
    "Low capacity for data analysis at sub-district level",
    "Weak inter-sectoral coordination for zoonotic diseases",
    "Infrastructure constraints in remote and tribal areas",
  ];

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}

// ═══════════════════════════════════
// SLIDE 12 – RECENT UPDATES (IHIP ERA)
// ═══════════════════════════════════
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  titleBar(s, "Recent Developments", "IDSP in the IHIP era (2019 onwards)");

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      year: "2019",
      title: "IHIP Platform Launch",
      text: "Integrated Health Information Platform launched in November 2019 replacing older IDSP portal with advanced digital features",
    },
    {
      year: "2020",
      title: "COVID-19 Surveillance",
      text: "IDSP infrastructure used for COVID-19 case surveillance, cluster detection, and integrated outbreak management across all states",
    },
    {
      year: "2021-22",
      title: "One Health Approach",
      text: "Greater emphasis on zoonotic disease surveillance with inter-sectoral collaboration between human, animal and environmental health",
    },
    {
      year: "2023+",
      title: "IDSP under NHM",
      text: "Continued under National Health Mission with budget from domestic sources; expansion of IHIP to all districts for real-time reporting",
    },
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// ═══════════════════════════════════
// SLIDE 13 – KEY ACHIEVEMENTS
// ═══════════════════════════════════
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  titleBar(s, "Key Achievements", "Impact of IDSP since inception");

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    { val: "741+", label: "Districts Covered", sub: "Nationwide coverage" },
    { val: ">90%", label: "Reporting Districts", sub: "Weekly data submission" },
    { val: "36", label: "States / UTs", sub: "All reporting to CSU" },
    { val: "3-Tier", label: "Surveillance", sub: "CSU → SSU → DSU" },
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    "Timely detection of numerous disease outbreaks including cholera, dengue, meningitis, and nipah virus",
    "Rapid Response Teams successfully controlled localized outbreaks through field investigation and containment",
    "Laboratory network strengthened – state and district labs capable of diagnosing 30+ epidemic-prone diseases",
    "COVID-19 surveillance utilized existing IDSP infrastructure for tracking cases across all districts",
    "IHIP integration enabled real-time dashboards accessible at village, block, district and national level",
    "Media Scanning Cell identified and verified 1000+ unusual health events since 2008",
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// ═══════════════════════════════════
// SLIDE 14 – SUMMARY / CONCLUSION
// ═══════════════════════════════════
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  const points = [
    "IDSP is India's cornerstone for epidemic surveillance, covering all districts with a three-tier structure",
    "The S-P-L reporting format ensures data flow from community to central level for all epidemic-prone diseases",
    "ICT backbone (IHIP) enables real-time, GIS-enabled, integrated disease monitoring at all levels",
    "RRTs and Media Scanning Cells provide both facility-based and event-based surveillance",
    "Ongoing challenges include workforce gaps, private sector reporting, and sub-district data quality",
    "IDSP continues to evolve with One Health approach, digital tools and inter-program integration",
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// ─── WRITE FILE ───
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