const pptxgen = require("pptxgenjs");

const pres = new pptxgen();
pres.layout = "LAYOUT_16x9";
pres.title = "Understanding Cancer";
pres.author = "Orris Health";

// ── Color Palette ──
const BG_DARK   = "0D1B2A";  // deep navy
const BG_MID    = "1B2A3B";  // mid navy
const ACCENT    = "E84855";  // bold red-coral (cancer ribbon feel)
const ACCENT2   = "F5A623";  // warm amber
const WHITE     = "FFFFFF";
const LIGHT     = "D0E4F7";  // soft blue-white
const GRAY      = "8FA8C0";

// ─────────────────────────────────────────────────────────────
// Slide 1 – Title
// ─────────────────────────────────────────────────────────────
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  // Tag line
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    x: 0.4, y: 1.05, w: 7, h: 0.35,
    fontSize: 9, color: ACCENT, bold: true, charSpacing: 4, fontFace: "Calibri"
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  // Main title
  s.addText("Understanding\nCancer", {
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    fontSize: 52, color: WHITE, bold: true, fontFace: "Calibri", lineSpacingMultiple: 1.1
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  // Subtitle
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    fontSize: 15, color: LIGHT, fontFace: "Calibri"
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  s.addText("For the General Public  |  June 2026", {
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    fontSize: 9, color: WHITE, fontFace: "Calibri", align: "right"
  });
}

// ─────────────────────────────────────────────────────────────
// Slide 2 – What Is Cancer?
// ─────────────────────────────────────────────────────────────
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  s.addText("What Is Cancer?", { x: 0.45, y: 0.1, w: 9, h: 0.55, fontSize: 26, bold: true, color: WHITE, fontFace: "Calibri" });

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  s.addText("Cancer is a group of diseases in which abnormal cells grow and multiply uncontrollably, invade surrounding tissues, and can spread to other parts of the body.", {
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    fontSize: 13, color: LIGHT, fontFace: "Calibri", valign: "middle"
  });

  // 3 key facts
  const facts = [
    { icon: "🔬", title: "Uncontrolled Growth", body: "Normal cells divide in an orderly way. Cancer cells ignore these controls and keep multiplying." },
    { icon: "📍", title: "Tumor Formation", body: "Most cancers form a solid mass called a tumor, except blood cancers like leukemia." },
    { icon: "🌐", title: "Metastasis", body: "Cancer can spread (metastasize) through blood or lymph to distant organs, making treatment harder." },
  ];
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}

// ─────────────────────────────────────────────────────────────
// Slide 3 – Common Types of Cancer
// ─────────────────────────────────────────────────────────────
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  s.addText("Common Types of Cancer", { x: 0.45, y: 0.1, w: 9, h: 0.55, fontSize: 26, bold: true, color: WHITE, fontFace: "Calibri" });

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    { name: "Breast Cancer", icon: "🎀", note: "Most common in women worldwide" },
    { name: "Lung Cancer", icon: "🫁", note: "Leading cause of cancer deaths globally" },
    { name: "Colorectal Cancer", icon: "🩺", note: "3rd most common cancer overall" },
    { name: "Prostate Cancer", icon: "🔵", note: "Most common in men over 50" },
    { name: "Skin Cancer", icon: "☀️", note: "Most common of all cancers; often preventable" },
    { name: "Leukemia", icon: "🩸", note: "Cancer of the blood and bone marrow" },
    { name: "Cervical Cancer", icon: "🌸", note: "Largely preventable with HPV vaccine" },
    { name: "Brain Cancer", icon: "🧠", note: "Includes gliomas and meningiomas" },
  ];

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  });
}

// ─────────────────────────────────────────────────────────────
// Slide 4 – Risk Factors & Causes
// ─────────────────────────────────────────────────────────────
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  s.addText("Risk Factors & Causes", { x: 0.45, y: 0.1, w: 9, h: 0.55, fontSize: 26, bold: true, color: WHITE, fontFace: "Calibri" });

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  const modifiable = [
    "🚬  Tobacco & smoking",
    "🍷  Alcohol consumption",
    "🍔  Poor diet (processed foods, low fiber)",
    "🛋  Physical inactivity",
    "☀️  UV/radiation exposure",
    "🦠  Certain infections (HPV, Hepatitis B/C)",
  ];
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  const nonmod = [
    "🧬  Genetic mutations (BRCA1/2, etc.)",
    "👴  Increasing age",
    "👨‍👩‍👧  Family history of cancer",
    "⚧  Sex (some cancers are sex-linked)",
    "🌍  Ethnicity & geographic factors",
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// ─────────────────────────────────────────────────────────────
// Slide 5 – Warning Signs & Symptoms
// ─────────────────────────────────────────────────────────────
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  s.addText("Remember CAUTION — a helpful acronym:", {
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  const caution = [
    { letter: "C", word: "hange in bowel or bladder habits" },
    { letter: "A", word: " sore that doesn't heal" },
    { letter: "U", word: "nusual bleeding or discharge" },
    { letter: "T", word: "hickening or lump in breast or elsewhere" },
    { letter: "I", word: "ndigestion or difficulty swallowing" },
    { letter: "O", word: "bvious changes in wart or mole" },
    { letter: "N", word: "agging cough or hoarseness" },
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}

// ─────────────────────────────────────────────────────────────
// Slide 6 – Diagnosis
// ─────────────────────────────────────────────────────────────
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  s.addText("How Is Cancer Diagnosed?", { x: 0.45, y: 0.1, w: 9, h: 0.55, fontSize: 26, bold: true, color: WHITE, fontFace: "Calibri" });

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    { num: "01", title: "Physical Exam", desc: "Doctor examines the body for lumps, skin changes, or organ enlargement." },
    { num: "02", title: "Lab Tests", desc: "Blood, urine, or tissue tests check for abnormal cells or cancer markers." },
    { num: "03", title: "Imaging", desc: "X-ray, CT scan, MRI, PET scan, or ultrasound visualizes tumors inside the body." },
    { num: "04", title: "Biopsy", desc: "A tissue sample is removed and examined under a microscope — the gold standard for diagnosis." },
    { num: "05", title: "Staging", desc: "Stages I-IV describe how far cancer has spread; stage guides treatment planning." },
  ];

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// ─────────────────────────────────────────────────────────────
// Slide 7 – Treatment Options
// ─────────────────────────────────────────────────────────────
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  s.addText("Treatment Options", { x: 0.45, y: 0.1, w: 9, h: 0.55, fontSize: 26, bold: true, color: WHITE, fontFace: "Calibri" });

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    { icon: "🔪", name: "Surgery", desc: "Removes the tumor and surrounding tissue. Often the first step for solid tumors." },
    { icon: "☢️", name: "Radiation", desc: "High-energy rays destroy cancer DNA, shrinking or eliminating tumors." },
    { icon: "💊", name: "Chemotherapy", desc: "Drugs kill fast-dividing cells throughout the body; may cause side effects." },
    { icon: "🎯", name: "Targeted Therapy", desc: "Drugs that target specific cancer-cell proteins, with fewer side effects." },
    { icon: "🛡️", name: "Immunotherapy", desc: "Boosts the immune system to recognize and attack cancer cells." },
    { icon: "🧬", name: "Hormone Therapy", desc: "Blocks hormones that fuel certain cancers (breast, prostate)." },
  ];

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  });
}

// ─────────────────────────────────────────────────────────────
// Slide 8 – Prevention & Screening
// ─────────────────────────────────────────────────────────────
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  const tips = [
    "✅  Don't smoke — avoid all tobacco products",
    "✅  Eat a healthy, plant-rich diet",
    "✅  Exercise regularly (30+ min/day)",
    "✅  Maintain a healthy body weight",
    "✅  Limit alcohol intake",
    "✅  Use sunscreen; avoid tanning beds",
    "✅  Get vaccinated (HPV, Hepatitis B)",
  ];
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  const screens = [
    { cancer: "Breast", test: "Mammogram — age 40-74, every 1-2 yrs" },
    { cancer: "Cervical", test: "Pap smear + HPV test — age 21-65" },
    { cancer: "Colorectal", test: "Colonoscopy — starting age 45" },
    { cancer: "Lung", test: "Low-dose CT — high-risk smokers, 50-80 yrs" },
    { cancer: "Prostate", test: "PSA blood test — discuss with doctor 50+" },
    { cancer: "Skin", test: "Annual skin exam by dermatologist" },
  ];
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// ─────────────────────────────────────────────────────────────
// Slide 9 – Key Statistics
// ─────────────────────────────────────────────────────────────
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  const stats = [
    { num: "20M+",   label: "New cancer cases\ndiagnosed globally each year" },
    { num: "9.7M",   label: "Cancer-related deaths\nworldwide annually (WHO, 2022)" },
    { num: "1 in 5", label: "People will develop cancer\nat some point in their lifetime" },
    { num: "~40%",   label: "Of cancers are preventable\nthrough lifestyle changes" },
  ];

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  });
}

// ─────────────────────────────────────────────────────────────
// Slide 10 – Key Takeaways & Resources
// ─────────────────────────────────────────────────────────────
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    "Cancer is a broad term for many diseases — not a single illness.",
    "Up to 40% of cancers can be prevented by adopting a healthy lifestyle.",
    "Early detection saves lives — know the warning signs and get screened.",
    "Modern treatments are improving survival rates for many cancer types.",
    "Support your loved ones — emotional health is part of cancer care.",
  ];

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    s.addText("✓", { x: 0.38, y: y + 0.1, w: 0.3, h: 0.3, fontSize: 11, bold: true, color: WHITE, fontFace: "Calibri", align: "center", valign: "middle", margin: 0 });
    s.addText(t, { x: 0.82, y, w: 8.8, h: 0.5, fontSize: 12.5, color: LIGHT, fontFace: "Calibri", valign: "middle" });
  });

  // Resources footer
  s.addText("Trusted Resources", { x: 0.45, y: 4.18, w: 9, h: 0.35, fontSize: 12, bold: true, color: ACCENT2, fontFace: "Calibri" });
  s.addText("WHO Cancer Information: who.int/cancer   |   American Cancer Society: cancer.org   |   National Cancer Institute: cancer.gov", {
    x: 0.45, y: 4.55, w: 9.1, h: 0.5, fontSize: 10, color: GRAY, fontFace: "Calibri"
  });
  s.addText("Orris Health Education  •  June 2026", { x: 0.45, y: 5.18, w: 9.1, h: 0.35, fontSize: 9, color: GRAY, fontFace: "Calibri", align: "right" });
}

// ─────────────────────────────────────────────────────────────
// Save
// ─────────────────────────────────────────────────────────────
const outPath = "/home/daytona/workspace/cancer-ppt/Understanding_Cancer.pptx";
pres.writeFile({ fileName: outPath })
  .then(() => console.log("SUCCESS: " + outPath))
  .catch(e => { console.error("ERROR:", e); process.exit(1); });