// Example — full-bleed photo background with text overlay:
slide.addImage({ path: "assets/photos/hero_girl_bed_room.jpg", x: 0, y: 0, w: 10, h: 5.625 });
// Add semi-transparent overlay for text readability:
slide.addShape(pptx.shapes.RECTANGLE, { x: 0, y: 3.5, w: 10, h: 2.125, fill: { color: "292935", transparency: 40 } });
slide.addText("Room to daydream.", { x: 0.6, y: 3.8, w: 8.8, fontSize: 36, fontFace: "Manrope", color: "FFFFFF", bold: true });

const fs = require("fs");
const sharp = require("sharp");

// Load icon catalogs once
const UI_ICONS = JSON.parse(fs.readFileSync("assets/icons/ui-icons.json", "utf8"));
const MKT_ICONS = JSON.parse(fs.readFileSync("assets/icons/marketing-icons.json", "utf8"));

// UI icon → PNG (with optional recolor)
async function uiIconPng(name, color = "#292935", size = 128) {
  let svg = UI_ICONS[name];
  if (!svg) throw new Error(`UI icon "${name}" not found. Available: ${Object.keys(UI_ICONS).join(", ")}`);
  svg = svg.replace(/stroke="#292935"/g, `stroke="${color}"`);
  const buf = await sharp(Buffer.from(svg)).resize(size).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}

// Marketing icon → PNG (gradient, use as-is)
async function marketingIconPng(name, size = 128) {
  const svg = MKT_ICONS[name];
  if (!svg) throw new Error(`Marketing icon "${name}" not found. Available: ${Object.keys(MKT_ICONS).join(", ")}`);
  const buf = await sharp(Buffer.from(svg)).resize(size).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}

// Examples:
const wifiCoral = await uiIconPng("wifi", "#FDAA9A");          // coral
const starOrange = await uiIconPng("ind-star", "#F66236");     // orange
const checkWhite = await uiIconPng("nav-check", "#FFFFFF");    // white (for dark bg)
const alertPink = await uiIconPng("ind-alert", "#FF003E");     // hot pink
slide.addImage({ data: wifiTeal, x: 1, y: 1, w: 0.4, h: 0.4 });

const hotelIcon = await marketingIconPng("hotel");
slide.addImage({ data: hotelIcon, x: 1, y: 1, w: 0.5, h: 0.5 });

python scripts/preprocess-logo.py assets/logos/logo-gradient.png /tmp/dayuse-logo-gradient.png
python scripts/preprocess-logo.py assets/icons/icon-gradient.png /tmp/dayuse-icon-gradient.png

python scripts/preprocess-logo.py assets/logos/logo-black.png /tmp/dayuse-logo-black.png
python scripts/preprocess-logo.py assets/icons/icon-black.png /tmp/dayuse-icon-black.png

const sharp = require("sharp");

// Helper: get image dimensions and compute correct placement
async function fitImage(imagePath, maxW, maxH) {
  const meta = await sharp(imagePath).metadata();
  const ratio = meta.width / meta.height;
  let w, h;
  if (ratio >= maxW / maxH) {
    // wider than slot → fit to width
    w = maxW;
    h = maxW / ratio;
  } else {
    // taller than slot → fit to height
    h = maxH;
    w = maxH * ratio;
  }
  return { w, h };
}

// For base64 data (icons from JSON), use the SVG viewBox or known ratio:
// UI icons: viewBox 24x24 → ratio 1:1 → ALWAYS use same w and h
// Marketing icons: viewBox 49x49 → ratio 1:1 → ALWAYS use same w and h
// Photos: use fitImage() helper above

// CORRECT — 1:1 icon
slide.addImage({ data: iconData, x: 1, y: 1, w: 0.5, h: 0.5 });

// CORRECT — photo fitted to slot
const { w, h } = await fitImage("assets/photos/couplepool.jpg", 4.5, 3.0);
slide.addImage({ path: "assets/photos/couplepool.jpg", x: 0.5, y: 1, w, h });

// WRONG — arbitrary w/h stretches the image
slide.addImage({ path: "assets/photos/couplepool.jpg", x: 0.5, y: 1, w: 4.5, h: 3.0 }); // DISTORTED!

// CORRECT — 2:1 ratio maintained
const LOGO_W = 1.8;
const LOGO_H = LOGO_W / 2; // = 0.9
slide.addImage({ path: "/tmp/dayuse-logo-gradient.png", x: 0.6, y: 0.4, w: LOGO_W, h: LOGO_H });

// WRONG — distorted logo
slide.addImage({ path: logo, x: 0.6, y: 0.4, w: 1.8, h: 0.5 }); // squished!

async function makeGradientBand(width = 2000, height = 12) {
  const svg = `<svg width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg">
    <defs><linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="0%">
      <stop offset="0%" stop-color="#FEB900"/>
      <stop offset="33%" stop-color="#FD7030"/>
      <stop offset="67%" stop-color="#FDAA9A"/>
      <stop offset="100%" stop-color="#B7D5D5"/>
    </linearGradient></defs>
    <rect width="${width}" height="${height}" fill="url(#g)"/>
  </svg>`;
  const buf = await sharp(Buffer.from(svg)).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}

// Place at bottom of every content slide:
slide.addImage({ data: gradientData, x: 0, y: 5.525, w: 10, h: 0.1 });

// Generic Gradient (full spectrum — for brand statement slides)
async function makeGenericGradientBg(width = 1920, height = 1080) {
  const svg = `<svg width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg">
    <defs><linearGradient id="g" x1="0%" y1="100%" x2="100%" y2="0%">
      <stop offset="0%" stop-color="#FEB900"/>
      <stop offset="33%" stop-color="#FD7030"/>
      <stop offset="67%" stop-color="#FDAA9A"/>
      <stop offset="100%" stop-color="#B7D5D5"/>
    </linearGradient></defs>
    <rect width="${width}" height="${height}" fill="url(#g)"/>
  </svg>`;
  const buf = await sharp(Buffer.from(svg)).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}

// Primary Gradient (warm tones — for energy/passion slides)
// #FEB900 → #FD7030 → #FDAA9A

// Complementary 1 (blues — for calm/wellness slides)
// #B7D5D5 → #7BBFCF → #3597C8

// Complementary 2 (corail → violet — for creative/experience slides)
// #FDAA9A → #C88AAE → #6E69AC

slide.addImage({ path: "assets/icons/hotel-amenities/wifi.png", x: 1, y: 1, w: 0.4, h: 0.4 });

const React = require("react");
const ReactDOMServer = require("react-dom/server");
const sharp = require("sharp");
const { FaWifi, FaSwimmingPool, FaParking } = require("react-icons/fa");

async function iconPng(IconComponent, color, size = 256) {
  const svg = ReactDOMServer.renderToStaticMarkup(
    React.createElement(IconComponent, { color, size: String(size) })
  );
  const buf = await sharp(Buffer.from(svg)).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}

// Usage with Dayuse palette colors:
const wifiIcon = await iconPng(FaWifi, "#FDAA9A");     // coral for amenities
const poolIcon = await iconPng(FaSwimmingPool, "#F66236"); // orange for leisure
const parkIcon = await iconPng(FaParking, "#FEB900");   // yellow for functional
slide.addImage({ data: wifiIcon, x: 1, y: 1, w: 0.4, h: 0.4 });

1. VISION / CONTEXTE  → Pourquoi on est là, la big picture
2. FRAMEWORK / METHODE → Comment on structure le sujet
3. DONNEES / PREUVES   → Les faits, analyses, résultats
4. INSIGHTS / SO WHAT  → Ce que ça veut dire concrètement
5. ACTION PLAN / NEXT  → Ce qu'on fait maintenant

Font: Manrope ExtraBold (weight 800)
Size: 36-48pt
Line Height: tight (1.1x)
Letter Spacing: 0%
Color: 292935 (or FFFFFF on dark/gradient backgrounds)

Font: Manrope Bold (weight 700)
Size: 24-30pt
Line Height: 1.2x
Letter Spacing: 0%
Color: 292935 (key words in F66236)

Font: Manrope SemiBold (weight 600)
Size: 16-20pt
Line Height: 1.3x
Letter Spacing: 0%
Color: 54545D

Font: Manrope Regular (weight 400)
Size: 12-14pt
Line Height: 22
Letter Spacing: 1%
Color: 54545D

Font: Manrope Bold (weight 700)
Size: variable (typically 10-14pt)
Letter Spacing: 17%
Transform: UPPERCASE
Color: 292935 or 7F7F86

WRONG: "Analyse USA"
RIGHT: "Les hôtels Travel drivent la dynamique nouveaux clients."

WRONG: "Résultats Q3"
RIGHT: "Le Travel comme générateur de valeur : +59% de croissance."

WRONG: "Distribution hôtel"
RIGHT: "Un parc mondial principalement Fonctionnel aujourd'hui."

slide.addText([
  { text: "L'IA gère le ", options: { fontSize: 26, fontFace: "Manrope", color: "292935", bold: true } },
  { text: "volume", options: { fontSize: 26, fontFace: "Manrope", color: "F66236", bold: true } },
  { text: ", l'humain gère ", options: { fontSize: 26, fontFace: "Manrope", color: "292935", bold: true } },
  { text: "l'exception.", options: { fontSize: 26, fontFace: "Manrope", color: "F66236", bold: true } },
], { x: 0.6, y: 0.3, w: 8.8, h: 0.8, margin: 0 });

async function makeGradientText(text, fontSize = 80, width = 1920, height = 300) {
  const svg = `<svg width="${width}" height="${height}" xmlns="http://www.w3.org/2000/svg">
    <defs>
      <linearGradient id="textGrad" x1="0%" y1="0%" x2="100%" y2="100%">
        <stop offset="0%" stop-color="#FEB900"/>
        <stop offset="33%" stop-color="#FD7030"/>
        <stop offset="67%" stop-color="#FDAA9A"/>
        <stop offset="100%" stop-color="#B7D5D5"/>
      </linearGradient>
    </defs>
    <text x="0" y="${fontSize}" font-family="Manrope, Arial Black, sans-serif"
          font-weight="800" font-size="${fontSize}px" fill="url(#textGrad)">
      ${text}
    </text>
  </svg>`;
  const buf = await sharp(Buffer.from(svg)).png().toBuffer();
  return "image/png;base64," + buf.toString("base64");
}