const pptxgen = require("pptxgenjs");

const pres = new pptxgen();

// Portrait layout: 7.5" wide × 10" tall (LAYOUT_4x3 is 10×7.5, so we define custom)
pres.defineLayout({ name: "PORTRAIT", width: 7.5, height: 10 });
pres.layout = "PORTRAIT";

// ─── PALETTE ────────────────────────────────────────────────────────────────
const C = {
  bg:          "F7F9FB",   // near-white background
  header_bg:   "1B3A5C",   // deep navy – title bar
  accent1:     "2E7DAF",   // medium blue – section headers
  accent2:     "4CABB5",   // teal – icon circles & accents
  accent3:     "E8F4FD",   // very light blue – section card bg
  stripe:      "D6EAF8",   // light stripe for alternating
  text_dark:   "1B2B3A",   // near-black body
  text_mid:    "4A6275",   // medium grey text
  text_light:  "FFFFFF",   // white
  tag_green:   "27AE60",   // green tag
  tag_orange:  "E67E22",   // orange tag
  tag_red:     "C0392B",   // red tag
  tag_blue:    "2980B9",   // blue tag
  tag_purple:  "8E44AD",   // purple tag
  divider:     "C8D8E4",   // light divider line
};

// ─── SLIDE ───────────────────────────────────────────────────────────────────
const slide = pres.addSlide();

// Full background
slide.addShape(pres.shapes.RECTANGLE, {
  x: 0, y: 0, w: 7.5, h: 10,
  fill: { color: C.bg }, line: { color: C.bg }
});

// ════════════════════════════════════════════════════════════════════
// HEADER BANNER
// ════════════════════════════════════════════════════════════════════
slide.addShape(pres.shapes.RECTANGLE, {
  x: 0, y: 0, w: 7.5, h: 0.95,
  fill: { color: C.header_bg }, line: { color: C.header_bg }
});

// Teal accent strip at bottom of header
slide.addShape(pres.shapes.RECTANGLE, {
  x: 0, y: 0.9, w: 7.5, h: 0.07,
  fill: { color: C.accent2 }, line: { color: C.accent2 }
});

// Title
slide.addText("PSYCHOLOGICAL OCCUPATIONAL HAZARDS", {
  x: 0.3, y: 0.1, w: 6.0, h: 0.45,
  fontSize: 16, bold: true, color: C.text_light,
  fontFace: "Calibri", charSpacing: 1.5,
  align: "left", valign: "middle", margin: 0
});

// Subtitle
slide.addText("Occupational Health | Medical Student Reference", {
  x: 0.3, y: 0.55, w: 5.5, h: 0.28,
  fontSize: 8.5, color: C.accent2, fontFace: "Calibri",
  align: "left", valign: "top", margin: 0, italic: true
});

// Cross icon (simple + shape using two rectangles)
// Vertical bar
slide.addShape(pres.shapes.RECTANGLE, {
  x: 6.95, y: 0.17, w: 0.1, h: 0.55,
  fill: { color: C.accent2 }, line: { color: C.accent2 }
});
// Horizontal bar
slide.addShape(pres.shapes.RECTANGLE, {
  x: 6.72, y: 0.39, w: 0.55, h: 0.1,
  fill: { color: C.accent2 }, line: { color: C.accent2 }
});

// ════════════════════════════════════════════════════════════════════
// HELPER: Draw a section card
// ════════════════════════════════════════════════════════════════════
// Each section: icon circle + colored header bar + content area
// Layout: y positions defined manually for 5 sections
// Available height after header: 10 - 0.97 = 9.03"
// 5 sections + small gaps: each section ~1.72" tall

const SECTIONS = [
  {
    y: 1.02,
    color: "2E7DAF",   // blue
    icon_color: "2E7DAF",
    label: "01",
    heading: "TYPES OF EXPOSURE",
    icon: "exposure",
    items: [
      { tag: "Psychosocial",  text: "High demands / low control (job strain model); effort–reward imbalance; role ambiguity & conflict" },
      { tag: "Organisational", text: "Shift work, long hours, understaffing, poor management, workplace violence & harassment" },
      { tag: "Traumatic",     text: "Critical incidents, vicarious trauma (emergency, ICU, forensics, social work)" },
      { tag: "Chronic",       text: "Cumulative stress, moral injury, compassion fatigue, systemic bullying & discrimination" },
    ]
  },
  {
    y: 3.00,
    color: "4CABB5",   // teal
    icon_color: "4CABB5",
    label: "02",
    heading: "AT-RISK INDUSTRIES",
    icon: "industry",
    items: [
      { tag: "Healthcare",    text: "Physicians, nurses, paramedics — burnout rates ≥40%; high moral distress exposure" },
      { tag: "Emergency",     text: "Police, firefighters, military — elevated PTSD & suicide risk; hypervigilance culture" },
      { tag: "Education",     text: "Teachers, social workers — emotional labour, low autonomy, compassion fatigue" },
      { tag: "Corporate",     text: "Finance, IT — deadline pressure, always-on culture, job insecurity, technostress" },
    ]
  },
  {
    y: 4.98,
    color: "5B7FA6",   // slate blue
    icon_color: "5B7FA6",
    label: "03",
    heading: "SIGNS & SYMPTOMS",
    icon: "symptoms",
    items: [
      { tag: "Psychological", text: "Anxiety, depression, PTSD (re-experiencing, avoidance, hyperarousal), burnout (exhaustion, cynicism, reduced efficacy)" },
      { tag: "Cognitive",     text: "Impaired concentration, memory deficits, poor decision-making, cognitive fatigue" },
      { tag: "Somatic",       text: "Insomnia, headaches, GI disturbance, CVD risk elevation (HTN, IHD), immune dysregulation" },
      { tag: "Behavioural",   text: "Absenteeism, presenteeism, substance misuse, social withdrawal, increased error rates" },
    ]
  },
  {
    y: 6.96,
    color: "C0392B",   // red-clinical
    icon_color: "C0392B",
    label: "04",
    heading: "MEDICAL MANAGEMENT",
    icon: "management",
    items: [
      { tag: "Assessment",    text: "PHQ-9 (depression), GAD-7 (anxiety), IES-R (PTSD), Maslach Burnout Inventory; occupational history" },
      { tag: "Pharmacology",  text: "SSRIs/SNRIs for depression & anxiety; prazosin for PTSD nightmares; short-term hypnotics for insomnia" },
      { tag: "Psychotherapy", text: "CBT (first-line for burnout/anxiety/depression); EMDR & CPT for PTSD; ACT; mindfulness-based stress reduction" },
      { tag: "Referral",      text: "EAP, occupational physician, psychiatry, vocational rehabilitation; urgent review if suicidal ideation" },
    ]
  },
  {
    y: 8.94,
    color: "27AE60",   // green
    icon_color: "27AE60",
    label: "05",
    heading: "PREVENTION & CONTROLS",
    icon: "prevention",
    items: [
      { tag: "Primary",       text: "Job redesign, workload management, flexible scheduling, anti-harassment policy, leadership training" },
      { tag: "Secondary",     text: "Stress inoculation, resilience programmes, regular clinical supervision, EAP access, peer support networks" },
      { tag: "Tertiary",      text: "Early RTW programmes, graded exposure, duty modification, occupational rehabilitation" },
      { tag: "Legislation",   text: "OHS Act obligations; risk assessments; reportable psychological injuries; employer duty of care" },
    ]
  },
];

// Tag accent colours (cycle through palette)
const TAG_COLORS = ["2E7DAF", "4CABB5", "8E44AD", "E67E22", "27AE60", "C0392B"];

function hexLighten(hex, amt) {
  // Returns a very light tint of hex (for row backgrounds)
  let r = parseInt(hex.slice(0,2),16) + amt;
  let g = parseInt(hex.slice(2,4),16) + amt;
  let b = parseInt(hex.slice(4,6),16) + amt;
  r = Math.min(255, r); g = Math.min(255, g); b = Math.min(255, b);
  return r.toString(16).padStart(2,'0') + g.toString(16).padStart(2,'0') + b.toString(16).padStart(2,'0');
}

SECTIONS.forEach((sec, si) => {
  const cardH = 1.84;
  const cardX = 0.18;
  const cardW = 7.14;

  // ── Card background ──────────────────────────────────────────────
  slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {
    x: cardX, y: sec.y, w: cardW, h: cardH,
    fill: { color: "FFFFFF" },
    line: { color: C.divider, width: 0.5 },
    rectRadius: 0.08,
    shadow: { type: "outer", color: "C0CAD4", blur: 6, offset: 2, angle: 135, opacity: 0.18 }
  });

  // ── Coloured left accent bar ─────────────────────────────────────
  slide.addShape(pres.shapes.RECTANGLE, {
    x: cardX, y: sec.y, w: 0.06, h: cardH,
    fill: { color: sec.color }, line: { color: sec.color }
  });

  // ── Section number badge ─────────────────────────────────────────
  slide.addShape(pres.shapes.ELLIPSE, {
    x: cardX + 0.12, y: sec.y + 0.08, w: 0.32, h: 0.32,
    fill: { color: sec.color }, line: { color: sec.color }
  });
  slide.addText(sec.label, {
    x: cardX + 0.12, y: sec.y + 0.08, w: 0.32, h: 0.32,
    fontSize: 7.5, bold: true, color: "FFFFFF",
    fontFace: "Calibri", align: "center", valign: "middle", margin: 0
  });

  // ── Section heading ──────────────────────────────────────────────
  slide.addText(sec.heading, {
    x: cardX + 0.52, y: sec.y + 0.08, w: 5.8, h: 0.30,
    fontSize: 10.5, bold: true, color: sec.color,
    fontFace: "Calibri", charSpacing: 0.8,
    align: "left", valign: "middle", margin: 0
  });

  // ── Thin divider under heading ───────────────────────────────────
  slide.addShape(pres.shapes.RECTANGLE, {
    x: cardX + 0.52, y: sec.y + 0.41, w: cardW - 0.7, h: 0.015,
    fill: { color: C.divider }, line: { color: C.divider }
  });

  // ── Content rows ─────────────────────────────────────────────────
  const rowH = 0.315;
  const rowStartY = sec.y + 0.45;
  const rowX = cardX + 0.52;
  const rowW = cardW - 0.7;
  const tagW = 1.0;
  const textX = rowX + tagW + 0.08;
  const textW = rowW - tagW - 0.1;

  sec.items.forEach((item, ri) => {
    const rowY = rowStartY + ri * rowH;
    // Alternating row background
    if (ri % 2 === 0) {
      slide.addShape(pres.shapes.RECTANGLE, {
        x: rowX, y: rowY, w: rowW, h: rowH - 0.025,
        fill: { color: hexLighten(sec.color, 220) },
        line: { color: "FFFFFF", width: 0 }
      });
    }

    // Tag pill
    const tagColor = TAG_COLORS[(si + ri) % TAG_COLORS.length];
    slide.addShape(pres.shapes.ROUNDED_RECTANGLE, {
      x: rowX + 0.04, y: rowY + 0.045, w: tagW - 0.08, h: rowH - 0.12,
      fill: { color: tagColor }, line: { color: tagColor },
      rectRadius: 0.05
    });
    slide.addText(item.tag, {
      x: rowX + 0.04, y: rowY + 0.045, w: tagW - 0.08, h: rowH - 0.12,
      fontSize: 6.8, bold: true, color: "FFFFFF",
      fontFace: "Calibri", align: "center", valign: "middle", margin: 0
    });

    // Row text
    slide.addText(item.text, {
      x: textX, y: rowY + 0.03, w: textW, h: rowH - 0.06,
      fontSize: 6.8, color: C.text_dark,
      fontFace: "Calibri", align: "left", valign: "middle", margin: 0,
      wrap: true
    });
  });
});

// ════════════════════════════════════════════════════════════════════
// FOOTER
// ════════════════════════════════════════════════════════════════════
slide.addShape(pres.shapes.RECTANGLE, {
  x: 0, y: 9.84, w: 7.5, h: 0.16,
  fill: { color: C.header_bg }, line: { color: C.header_bg }
});
slide.addText("Occupational Health  |  WHO ICD-11  |  DSM-5  |  Maslach Burnout Inventory  |  For Educational Use Only", {
  x: 0.2, y: 9.845, w: 7.1, h: 0.12,
  fontSize: 5.5, color: C.accent2, fontFace: "Calibri",
  align: "center", valign: "middle", margin: 0, italic: true
});

// ════════════════════════════════════════════════════════════════════
// SAVE
// ════════════════════════════════════════════════════════════════════
pres.writeFile({ fileName: "/home/daytona/workspace/psych-occ-hazards/Psychological_Occupational_Hazards.pptx" })
  .then(() => console.log("✅  Saved successfully"))
  .catch(e => { console.error("❌  Error:", e); process.exit(1); });

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/psych-occ-hazards/build.js'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/psych-occ-hazards/build.js'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/psych-occ-hazards/build.js'