'use client';

import { useEffect, useState, useCallback } from 'react';
import { useReducedMotion } from 'framer-motion';
import {
  FileText,
  FileSpreadsheet,
  Presentation,
  FileCheck,
  Sparkles,
  ArrowRight,
  Clock,
  Users,
  Flame,
  Check,
  ShieldCheck,
  Save,
  Undo,
  Redo,
  Search,
  Minus,
  Square,
  X,
  Bold,
  Italic,
  Underline,
  AlignLeft,
  AlignCenter,
  List,
  ListOrdered,
  Table as TableIcon,
  ChevronDown,
  ZoomIn,
  Printer,
  Maximize2,
} from 'lucide-react';
import { cn } from '@/lib/utils';

/**
 * Wordly.art — Hero Visual Authentique Office & PDF
 * 
 * Cette animation recrée fidèlement l'environnement réel d'un logiciel bureautique
 * (Microsoft Word, Excel, PowerPoint et Adobe PDF) avec :
 * - Le ruban, la barre de titre, la règle et la barre d'état officielles.
 * - Une vraie page de document A4 flottante avec du vrai texte lisible (≥ 11px).
 * - Une onde dorée de numérisation/traduction en temps réel (FR → EN → ES).
 * - Une stabilité géométrique absolue : zéro décalage, zéro saut de mise en page.
 */

type OfficeFormat = 'docx' | 'xlsx' | 'pptx' | 'pdf';

interface RecipeData {
  lang: 'FR' | 'EN' | 'ES';
  langName: string;
  langCodeDoc: string;
  docTitle: string;
  docSubtitle: string;
  category: string;
  timeLabel: string;
  servingsLabel: string;
  heatLabel: string;
  ingredientsHeading: string;
  ingredients: Array<{ amount: string; name: string }>;
  tableTitle: string;
  tableHeaders: [string, string, string];
  tableValues: [string, string, string];
  stepsHeading: string;
  steps: Array<{ num: string; title: string; desc: string }>;
  excelFormula: string;
  excelHeaders: [string, string, string, string];
  excelRows: Array<[string, string, string, string]>;
  excelTotalLabel: string;
  excelTotalVal: string;
  pptSlideTitle: string;
  pptCard1Title: string;
  pptCard1Text: string;
  pptCard2Title: string;
  pptCard2Text: string;
  guaranteeText: string;
}

const RECIPES: RecipeData[] = [
  {
    lang: 'FR',
    langName: 'Français (France)',
    langCodeDoc: 'FR-FR',
    docTitle: 'Tarte fine aux pommes & cannelle',
    docSubtitle: 'Recette traditionnelle • Pâtisserie maison de saison',
    category: 'Pâtisserie artisanale • Recette n°04',
    timeLabel: '15 min de préparation',
    servingsLabel: '4 à 6 personnes',
    heatLabel: 'Four chaud 180°C',
    ingredientsHeading: 'Ingrédients nécessaires',
    ingredients: [
      { amount: '1 rouleau', name: 'Pâte feuilletée pur beurre dorée' },
      { amount: '4 pièces', name: 'Pommes Golden finement tranchées' },
      { amount: '25 g', name: 'Beurre doux fondu tiédi' },
      { amount: '2 sachets', name: 'Sucre vanillé naturel des îles' },
    ],
    tableTitle: 'Paramètres de cuisson au four',
    tableHeaders: ['Position four', 'Préparation', 'Cuisson dorée'],
    tableValues: ['Mi-hauteur 180°C', '15 minutes', '25 minutes'],
    stepsHeading: 'Instructions de préparation',
    steps: [
      {
        num: '01',
        title: 'Préparer la pâte',
        desc: 'Dérouler la pâte sur la plaque et piquer le fond à la fourchette.',
      },
      {
        num: '02',
        title: 'Dresser les pommes',
        desc: 'Disposer les lamelles de pommes en rosace harmonieuse et serrée.',
      },
      {
        num: '03',
        title: 'Enfourner et dorer',
        desc: 'Badigeonner de beurre fondu puis saupoudrer de sucre vanillé.',
      },
    ],
    excelFormula: '=SOMME(C3:C6) & " g de garniture"',
    excelHeaders: ['Ingrédient', 'Quantité', 'Unité', 'Remarque'],
    excelRows: [
      ['Pâte feuilletée', '1', 'rouleau', 'Pur beurre'],
      ['Pommes Golden', '4', 'pièces', 'Tranches fines'],
      ['Beurre doux', '25', 'grammes', 'Fondu tiède'],
      ['Sucre vanillé', '2', 'sachets', 'Arôme naturel'],
    ],
    excelTotalLabel: 'Temps de cuisson totale',
    excelTotalVal: '25 min à 180°C',
    pptSlideTitle: 'Recette gourmande : Tarte fine aux pommes',
    pptCard1Title: 'Ingrédients clés',
    pptCard1Text: 'Pâte feuilletée pur beurre, 4 pommes Golden, beurre doux fondu, sucre vanillé naturel.',
    pptCard2Title: 'Cuisson & finition',
    pptCard2Text: 'Disposition en rosace serrée, cuisson 25 min à 180°C jusqu’à dorure parfaite.',
    guaranteeText: 'Mise en page originale 100% préservée',
  },
  {
    lang: 'EN',
    langName: 'English (United States)',
    langCodeDoc: 'EN-US',
    docTitle: 'Crisp apple & cinnamon tart',
    docSubtitle: 'Traditional recipe • Seasonal homemade pastry',
    category: 'Artisanal pastry • Recipe #04',
    timeLabel: '15 min preparation time',
    servingsLabel: '4 to 6 servings',
    heatLabel: 'Hot oven at 180°C',
    ingredientsHeading: 'Required ingredients',
    ingredients: [
      { amount: '1 sheet', name: 'Golden all-butter puff pastry sheet' },
      { amount: '4 units', name: 'Fresh Golden apples thinly sliced' },
      { amount: '25 g', name: 'Melted unsalted sweet butter' },
      { amount: '2 packs', name: 'Natural island vanilla sugar dust' },
    ],
    tableTitle: 'Oven baking specifications',
    tableHeaders: ['Oven position', 'Preparation', 'Golden baking'],
    tableValues: ['Middle shelf 180°C', '15 minutes', '25 minutes'],
    stepsHeading: 'Preparation instructions',
    steps: [
      {
        num: '01',
        title: 'Prepare the crust',
        desc: 'Unroll pastry on the tray and prick the base evenly with a fork.',
      },
      {
        num: '02',
        title: 'Arrange the fruit',
        desc: 'Place the apple slices in an elegant, tight spiral pattern.',
      },
      {
        num: '03',
        title: 'Bake to golden',
        desc: 'Brush with melted butter and dust evenly with vanilla sugar.',
      },
    ],
    excelFormula: '=SUM(C3:C6) & " g filling total"',
    excelHeaders: ['Ingredient', 'Quantity', 'Unit', 'Note'],
    excelRows: [
      ['Puff pastry', '1', 'sheet', 'All-butter'],
      ['Golden apples', '4', 'units', 'Thin slices'],
      ['Unsalted butter', '25', 'grams', 'Melted warm'],
      ['Vanilla sugar', '2', 'packs', 'Natural flavor'],
    ],
    excelTotalLabel: 'Total baking duration',
    excelTotalVal: '25 min at 180°C',
    pptSlideTitle: 'Gourmet Recipe: Crisp Apple Tart',
    pptCard1Title: 'Key Ingredients',
    pptCard1Text: 'All-butter puff pastry, 4 Golden apples, melted unsalted butter, natural vanilla sugar.',
    pptCard2Title: 'Baking & Finish',
    pptCard2Text: 'Arrange in tight spiral, bake 25 min at 180°C until crisp and golden brown.',
    guaranteeText: 'Original layout 100% preserved',
  },
  {
    lang: 'ES',
    langName: 'Español (España)',
    langCodeDoc: 'ES-ES',
    docTitle: 'Tarta fina de manzana & canela',
    docSubtitle: 'Receta tradicional • Repostería casera de otoño',
    category: 'Repostería artesanal • Receta n°04',
    timeLabel: '15 min de preparación',
    servingsLabel: '4 a 6 personas',
    heatLabel: 'Horno caliente 180°C',
    ingredientsHeading: 'Ingredientes necesarios',
    ingredients: [
      { amount: '1 lámina', name: 'Masa de hojaldre dorado con mantequilla' },
      { amount: '4 piezas', name: 'Manzanas Golden finamente laminadas' },
      { amount: '25 g', name: 'Mantequilla dulce derretida templada' },
      { amount: '2 sobres', name: 'Azúcar avainillado natural fino' },
    ],
    tableTitle: 'Parámetros de horneado al horno',
    tableHeaders: ['Posición horno', 'Preparación', 'Horneado dorado'],
    tableValues: ['Altura media 180°C', '15 minutos', '25 minutes'],
    stepsHeading: 'Instrucciones de preparación',
    steps: [
      {
        num: '01',
        title: 'Preparar la base',
        desc: 'Extender la masa sobre la bandeja y pinchar la base con tenedor.',
      },
      {
        num: '02',
        title: 'Colocar la fruta',
        desc: 'Disponer las láminas de manzana en una espiral bien apretada.',
      },
      {
        num: '03',
        title: 'Hornear y dorar',
        desc: 'Pincelar con mantequilla y espolvorear el azúcar avainillado.',
      },
    ],
    excelFormula: '=SUMA(C3:C6) & " g de relleno"',
    excelHeaders: ['Ingrediente', 'Cantidad', 'Unidad', 'Detalle'],
    excelRows: [
      ['Masa hojaldre', '1', 'lámina', 'Con mantequilla'],
      ['Manzanas Golden', '4', 'piezas', 'Láminas finas'],
      ['Mantequilla dulce', '25', 'gramos', 'Derretida tibia'],
      ['Azúcar vainillado', '2', 'sobres', 'Aroma natural'],
    ],
    excelTotalLabel: 'Tiempo de cocción total',
    excelTotalVal: '25 min a 180°C',
    pptSlideTitle: 'Receta exquisita: Tarta fina de manzana',
    pptCard1Title: 'Ingredientes clave',
    pptCard1Text: 'Masa de hojaldre, 4 manzanas Golden, mantequilla dulce derretida, azúcar avainillado.',
    pptCard2Title: 'Horneado y acabado',
    pptCard2Text: 'Disposición en espiral apretada, hornear 25 min a 180°C hasta que esté dorada.',
    guaranteeText: 'Estructura original 100% preservada',
  },
];

const FORMAT_CONFIG: Record<
  OfficeFormat,
  {
    ext: string;
    label: string;
    appTitle: string;
    accentColor: string;
    headerBg: string;
    headerText: string;
    statusBg: string;
    icon: typeof FileText;
    defaultFile: string;
  }
> = {
  docx: {
    ext: '.DOCX',
    label: 'Word',
    appTitle: 'Word',
    accentColor: '#185ABD',
    headerBg: 'bg-[#185ABD] dark:bg-[#10438F]',
    headerText: 'text-white',
    statusBg: 'bg-[#185ABD] dark:bg-[#10438F]',
    icon: FileText,
    defaultFile: 'Recette_Tarte_Pommes.docx',
  },
  xlsx: {
    ext: '.XLSX',
    label: 'Excel',
    appTitle: 'Excel',
    accentColor: '#107C41',
    headerBg: 'bg-[#107C41] dark:bg-[#0B5C30]',
    headerText: 'text-white',
    statusBg: 'bg-[#107C41] dark:bg-[#0B5C30]',
    icon: FileSpreadsheet,
    defaultFile: 'Fiche_Technique_Recette.xlsx',
  },
  pptx: {
    ext: '.PPTX',
    label: 'PowerPoint',
    appTitle: 'PowerPoint',
    accentColor: '#C43E1C',
    headerBg: 'bg-[#C43E1C] dark:bg-[#992F13]',
    headerText: 'text-white',
    statusBg: 'bg-[#C43E1C] dark:bg-[#992F13]',
    icon: Presentation,
    defaultFile: 'Presentation_Recette.pptx',
  },
  pdf: {
    ext: '.PDF',
    label: 'PDF Reader',
    appTitle: 'Adobe Acrobat Reader',
    accentColor: '#E03E2D',
    headerBg: 'bg-[#2A2A2A] dark:bg-[#1A1A1A]',
    headerText: 'text-white',
    statusBg: 'bg-[#2A2A2A] dark:bg-[#1A1A1A]',
    icon: FileCheck,
    defaultFile: 'Document_Recette_Officiel.pdf',
  },
};

const CYCLE_DURATION_MS = 6200; // ~6.2 secondes par cycle
const SCAN_DURATION_MS = 1400; // 1.4s onde dorée

/**
 * Rendu intérieur d'un document Word (.docx) avec vraie mise en page A4
 */
function WordDocumentSheet({ data }: { data: RecipeData }) {
  return (
    <div className="w-full h-full bg-[#FAF8F5] dark:bg-[#1C1C1C] text-[#1A1A1A] dark:text-[#EDEDED] font-sans p-5 sm:p-7 md:p-8 flex flex-col justify-between select-none">
      {/* En-tête avec repères de marge Word */}
      <div className="border-b border-black/[0.08] dark:border-white/[0.08] pb-3 sm:pb-4">
        <div className="flex items-center justify-between gap-2 mb-1.5">
          <span className="inline-flex items-center gap-1.5 px-2 py-0.5 rounded text-[11px] font-semibold bg-[#185ABD]/10 text-[#185ABD] dark:text-[#6BA5FF] border border-[#185ABD]/20">
            <FileText className="w-3 h-3" />
            Style : Document Word Standard
          </span>
          <span className="text-[11px] font-mono tracking-tight text-[#1A1A1A]/50 dark:text-white/50">
            Section 1 • Marges normales (2,5 cm)
          </span>
        </div>

        <div className="flex flex-col sm:flex-row sm:items-baseline justify-between gap-1">
          <h1 className="font-serif text-[18px] sm:text-[21px] md:text-[23px] font-bold tracking-tight text-[#1A1A1A] dark:text-white leading-tight">
            {data.docTitle}
          </h1>
          <span className="text-[11px] text-[#8B6F47] dark:text-[#C5A17A] font-medium shrink-0">
            {data.category}
          </span>
        </div>

        <p className="text-[11.5px] text-[#1A1A1A]/70 dark:text-white/70 italic mt-0.5">
          {data.docSubtitle}
        </p>

        {/* Métadonnées */}
        <div className="mt-2.5 flex flex-wrap items-center gap-x-4 gap-y-1 text-[11px] text-[#1A1A1A]/80 dark:text-white/70 font-medium">
          <div className="flex items-center gap-1.5">
            <Clock className="w-3.5 h-3.5 text-[#185ABD] dark:text-[#6BA5FF]" />
            <span>{data.timeLabel}</span>
          </div>
          <span className="text-black/20 dark:text-white/20">•</span>
          <div className="flex items-center gap-1.5">
            <Users className="w-3.5 h-3.5 text-[#185ABD] dark:text-[#6BA5FF]" />
            <span>{data.servingsLabel}</span>
          </div>
          <span className="text-black/20 dark:text-white/20">•</span>
          <div className="flex items-center gap-1.5">
            <Flame className="w-3.5 h-3.5 text-[#185ABD] dark:text-[#6BA5FF]" />
            <span>{data.heatLabel}</span>
          </div>
        </div>
      </div>

      {/* Corps 2 colonnes */}
      <div className="grid grid-cols-1 md:grid-cols-12 gap-4 sm:gap-6 my-auto py-2">
        {/* Colonne Ingrédients + Tableau Word */}
        <div className="md:col-span-5 flex flex-col justify-between gap-3">
          <div>
            <h2 className="text-[11.5px] font-bold uppercase tracking-wider text-[#185ABD] dark:text-[#6BA5FF] mb-2 flex items-center gap-1.5">
              <span className="w-1.5 h-1.5 rounded-xs bg-[#185ABD] dark:bg-[#6BA5FF]" />
              {data.ingredientsHeading}
            </h2>
            <ul className="space-y-1.5">
              {data.ingredients.map((item, idx) => (
                <li
                  key={idx}
                  className="flex items-baseline justify-between text-[11.5px] border-b border-black/[0.04] dark:border-white/[0.04] pb-1"
                >
                  <span className="text-[#1A1A1A] dark:text-[#E0E0E0] truncate pr-2">
                    {item.name}
                  </span>
                  <span className="font-mono text-[11px] font-semibold text-[#8B6F47] dark:text-[#C5A17A] shrink-0">
                    {item.amount}
                  </span>
                </li>
              ))}
            </ul>
          </div>

          {/* Vrai Tableau Word avec bordures officielles */}
          <div className="rounded border border-[#185ABD]/20 dark:border-white/15 overflow-hidden bg-white dark:bg-[#222222]">
            <div className="bg-[#185ABD]/10 dark:bg-[#185ABD]/25 px-2.5 py-1 text-[11px] font-bold text-[#185ABD] dark:text-[#8BB8FF] border-b border-[#185ABD]/15">
              {data.tableTitle}
            </div>
            <div className="grid grid-cols-3 divide-x divide-black/[0.06] dark:divide-white/10 text-center p-1.5">
              {data.tableHeaders.map((header, hIdx) => (
                <div key={hIdx} className="px-1">
                  <div className="text-[10.5px] font-semibold text-[#8B6F47] dark:text-[#C5A17A] truncate">
                    {header}
                  </div>
                  <div className="text-[11px] font-bold text-[#1A1A1A] dark:text-white mt-0.5 truncate">
                    {data.tableValues[hIdx]}
                  </div>
                </div>
              ))}
            </div>
          </div>
        </div>

        {/* Colonne Instructions numérotées Word */}
        <div className="md:col-span-7 flex flex-col justify-between">
          <div>
            <h2 className="text-[11.5px] font-bold uppercase tracking-wider text-[#185ABD] dark:text-[#6BA5FF] mb-2 flex items-center gap-1.5">
              <span className="w-1.5 h-1.5 rounded-xs bg-[#185ABD] dark:bg-[#6BA5FF]" />
              {data.stepsHeading}
            </h2>
            <div className="space-y-2">
              {data.steps.map((st, sIdx) => (
                <div
                  key={sIdx}
                  className="flex items-start gap-2.5 rounded border border-black/[0.06] dark:border-white/[0.06] bg-white dark:bg-[#222222] p-2.5"
                >
                  <span className="flex size-5 shrink-0 items-center justify-center rounded bg-[#185ABD]/10 font-mono text-[11px] font-bold text-[#185ABD] dark:text-[#8BB8FF]">
                    {st.num}
                  </span>
                  <div className="flex-1 min-w-0">
                    <div className="text-[11.5px] font-bold text-[#1A1A1A] dark:text-white leading-tight">
                      {st.title}
                    </div>
                    <div className="text-[11px] text-[#1A1A1A]/80 dark:text-[#D0D0D0] mt-0.5 leading-snug">
                      {st.desc}
                    </div>
                  </div>
                </div>
              ))}
            </div>
          </div>
        </div>
      </div>

      {/* Pied de page Word */}
      <div className="pt-2.5 border-t border-black/[0.08] dark:border-white/[0.08] flex items-center justify-between text-[11px]">
        <div className="flex items-center gap-1.5 text-[#185ABD] dark:text-[#6BA5FF] font-semibold">
          <ShieldCheck className="w-3.5 h-3.5" />
          <span>{data.guaranteeText}</span>
        </div>
        <div className="text-[#1A1A1A]/70 dark:text-white/60 font-mono">
          Wordly Engine • Microsoft Word XML
        </div>
      </div>
    </div>
  );
}

/**
 * Rendu intérieur d'une feuille Excel (.xlsx) avec vraie grille de cellules
 */
function ExcelDocumentSheet({ data }: { data: RecipeData }) {
  return (
    <div className="w-full h-full bg-white dark:bg-[#1E1E1E] text-[#1A1A1A] dark:text-[#EDEDED] font-sans p-3 sm:p-5 flex flex-col justify-between select-none">
      {/* Barre de formule Excel */}
      <div className="flex items-center gap-2 px-2 py-1.5 bg-[#F3F2F1] dark:bg-[#2D2D2D] rounded border border-black/10 dark:border-white/10 text-[11px] font-mono mb-3">
        <span className="font-bold text-[#107C41] dark:text-[#42CA78] px-1.5 py-0.5 bg-white dark:bg-[#1E1E1E] rounded border border-black/10">
          A1:D8
        </span>
        <span className="text-[#1A1A1A]/40 dark:text-white/40">fx</span>
        <span className="text-[#107C41] dark:text-[#42CA78] truncate font-medium">
          {data.excelFormula}
        </span>
      </div>

      {/* Grille Excel avec entêtes de colonnes A, B, C, D */}
      <div className="border border-[#107C41]/30 dark:border-white/15 rounded overflow-hidden shadow-xs my-auto">
        {/* Ligne des colonnes A B C D */}
        <div className="grid grid-cols-12 bg-[#F3F2F1] dark:bg-[#2D2D2D] border-b border-black/10 dark:border-white/10 text-[10.5px] font-mono font-bold text-center text-[#1A1A1A]/75 dark:text-white/70 divide-x divide-black/10 dark:divide-white/10">
          <div className="col-span-1 py-1 bg-[#E1DFDD] dark:bg-[#383838]">#</div>
          <div className="col-span-4 py-1">A ({data.excelHeaders[0]})</div>
          <div className="col-span-2 py-1">B ({data.excelHeaders[1]})</div>
          <div className="col-span-2 py-1">C ({data.excelHeaders[2]})</div>
          <div className="col-span-3 py-1">D ({data.excelHeaders[3]})</div>
        </div>

        {/* Ligne 1 : Titre fusionné */}
        <div className="grid grid-cols-12 bg-[#107C41]/10 dark:bg-[#107C41]/20 border-b border-black/10 dark:border-white/10 divide-x divide-black/10 dark:divide-white/10 items-center">
          <div className="col-span-1 py-1.5 text-center font-mono text-[10.5px] font-bold bg-[#F3F2F1] dark:bg-[#2D2D2D] text-[#1A1A1A]/75 dark:text-white/70">
            1
          </div>
          <div className="col-span-11 px-3 py-1.5 font-serif font-bold text-[13px] text-[#107C41] dark:text-[#52D886] truncate">
            {data.docTitle}
          </div>
        </div>

        {/* Lignes de données Excel */}
        {data.excelRows.map((row, rIdx) => (
          <div
            key={rIdx}
            className="grid grid-cols-12 border-b border-black/[0.06] dark:border-white/[0.06] divide-x divide-black/[0.06] dark:divide-white/[0.06] text-[11.5px] items-center hover:bg-black/[0.02]"
          >
            <div className="col-span-1 py-1 text-center font-mono text-[10.5px] font-semibold bg-[#F3F2F1] dark:bg-[#2D2D2D] text-[#1A1A1A]/70 dark:text-white/60">
              {rIdx + 2}
            </div>
            <div className="col-span-4 px-2 py-1 font-medium text-[#1A1A1A] dark:text-white truncate">
              {row[0]}
            </div>
            <div className="col-span-2 px-2 py-1 font-mono text-center font-bold text-[#107C41] dark:text-[#42CA78]">
              {row[1]}
            </div>
            <div className="col-span-2 px-2 py-1 text-center text-[#8B6F47] dark:text-[#C5A17A] truncate">
              {row[2]}
            </div>
            <div className="col-span-3 px-2 py-1 text-[#1A1A1A]/85 dark:text-white/80 truncate">
              {row[3]}
            </div>
          </div>
        ))}

        {/* Ligne de total / formule */}
        <div className="grid grid-cols-12 bg-[#F3F2F1]/70 dark:bg-[#252525] divide-x divide-black/10 dark:divide-white/10 items-center font-bold text-[11px]">
          <div className="col-span-1 py-1 text-center font-mono text-[10.5px] bg-[#E1DFDD] dark:bg-[#383838] text-[#1A1A1A]/75 dark:text-white/70">
            7
          </div>
          <div className="col-span-6 px-3 py-1 text-[#107C41] dark:text-[#52D886] truncate">
            {data.excelTotalLabel}
          </div>
          <div className="col-span-5 px-3 py-1 font-mono text-end text-[#1A1A1A] dark:text-white truncate">
            {data.excelTotalVal}
          </div>
        </div>
      </div>

      {/* Onglets de classeur Excel en bas */}
      <div className="flex items-center gap-1 text-[11px] font-medium pt-2 border-t border-black/10 dark:border-white/10">
        <div className="px-3 py-1 bg-white dark:bg-[#2A2A2A] border-t-2 border-[#107C41] font-bold text-[#107C41] dark:text-[#42CA78] shadow-xs">
          Feuil1_Recette
        </div>
        <div className="px-3 py-1 text-[#1A1A1A]/70 dark:text-white/60">
          Feuil2_Calculs
        </div>
        <div className="ml-auto text-[11px] text-[#107C41] dark:text-[#42CA78] font-semibold flex items-center gap-1">
          <ShieldCheck className="w-3.5 h-3.5" />
          <span>Formules & Cellules 100% intactes</span>
        </div>
      </div>
    </div>
  );
}

/**
 * Rendu intérieur d'une diapositive PowerPoint (.pptx)
 */
function PptxDocumentSheet({ data }: { data: RecipeData }) {
  return (
    <div className="w-full h-full bg-[#FAF8F5] dark:bg-[#1E1E1E] text-[#1A1A1A] dark:text-[#EDEDED] font-sans p-4 sm:p-6 flex flex-col justify-between select-none">
      {/* Diapositive 16:9 avec cartouche PowerPoint */}
      <div className="border-b border-[#C43E1C]/20 dark:border-white/10 pb-2.5 flex items-center justify-between">
        <div className="flex items-center gap-2">
          <span className="px-2 py-0.5 rounded bg-[#C43E1C]/10 text-[#C43E1C] dark:text-[#FF7F5E] text-[11px] font-bold font-mono">
            Diapositive 1 / 1
          </span>
          <span className="text-[11.5px] font-semibold text-[#1A1A1A] dark:text-white">
            {data.pptSlideTitle}
          </span>
        </div>
        <span className="text-[11px] font-mono text-[#8B6F47] dark:text-[#C5A17A]">
          Thème Officiel 16:9
        </span>
      </div>

      {/* Cartes de contenu de présentation */}
      <div className="grid grid-cols-1 md:grid-cols-2 gap-4 my-auto py-2">
        <div className="rounded-lg border-2 border-dashed border-[#C43E1C]/30 bg-white dark:bg-[#252525] p-3 sm:p-4 shadow-xs">
          <div className="flex items-center gap-2 text-[#C43E1C] dark:text-[#FF7F5E] font-bold text-[12px] mb-1.5">
            <span className="size-2 rounded-full bg-[#C43E1C]" />
            {data.pptCard1Title}
          </div>
          <p className="text-[11.5px] text-[#1A1A1A]/85 dark:text-[#D5D5D5] leading-relaxed">
            {data.pptCard1Text}
          </p>
        </div>

        <div className="rounded-lg border-2 border-dashed border-[#C43E1C]/30 bg-white dark:bg-[#252525] p-3 sm:p-4 shadow-xs">
          <div className="flex items-center gap-2 text-[#C43E1C] dark:text-[#FF7F5E] font-bold text-[12px] mb-1.5">
            <span className="size-2 rounded-full bg-[#C43E1C]" />
            {data.pptCard2Title}
          </div>
          <p className="text-[11.5px] text-[#1A1A1A]/85 dark:text-[#D5D5D5] leading-relaxed">
            {data.pptCard2Text}
          </p>
        </div>
      </div>

      <div className="pt-2 border-t border-black/10 dark:border-white/10 flex items-center justify-between text-[11px]">
        <span className="text-[#C43E1C] dark:text-[#FF7F5E] font-bold flex items-center gap-1">
          <ShieldCheck className="w-3.5 h-3.5" />
          Blocs textes & vecteurs PowerPoint préservés
        </span>
        <span className="text-[#1A1A1A]/60 dark:text-white/50 font-mono">
          Affichage Normal • 100%
        </span>
      </div>
    </div>
  );
}

/**
 * Rendu intérieur d'un document PDF vectoriel officiel
 */
function PdfDocumentSheet({ data }: { data: RecipeData }) {
  return (
    <div className="w-full h-full bg-[#F5F5F3] dark:bg-[#191919] p-3 sm:p-5 flex flex-col justify-between select-none">
      {/* Barre d'outils Acrobat */}
      <div className="flex items-center justify-between px-3 py-1.5 bg-[#EBE9E4] dark:bg-[#252525] rounded text-[11px] font-mono border border-black/10 dark:border-white/10 mb-2">
        <div className="flex items-center gap-2">
          <span className="px-2 py-0.5 bg-white dark:bg-[#181818] rounded font-bold text-[#E03E2D]">
            PDF/A-1b
          </span>
          <span className="text-[#1A1A1A]/80 dark:text-white/70">Page 1 / 1</span>
        </div>
        <div className="flex items-center gap-3 text-[#1A1A1A]/75 dark:text-white/60">
          <span className="flex items-center gap-1"><ZoomIn className="w-3 h-3" /> 100%</span>
          <span className="flex items-center gap-1"><Printer className="w-3 h-3" /> Vectoriel</span>
        </div>
      </div>

      {/* Page PDF avec repères de coupe */}
      <div className="flex-1 rounded border border-black/15 dark:border-white/15 bg-white dark:bg-[#202020] p-4 sm:p-6 shadow-sm flex flex-col justify-between">
        <div>
          <div className="flex items-center justify-between border-b border-black/10 dark:border-white/10 pb-2 mb-3">
            <h1 className="font-serif text-[17px] sm:text-[20px] font-bold text-[#1A1A1A] dark:text-white">
              {data.docTitle}
            </h1>
            <span className="font-mono text-[10px] text-[#E03E2D] px-2 py-0.5 rounded bg-[#E03E2D]/10">
              DOCUMENT CERTIFIÉ
            </span>
          </div>

          <p className="text-[11.5px] text-[#1A1A1A]/80 dark:text-white/80 leading-relaxed mb-3">
            {data.docSubtitle} — {data.timeLabel} • {data.servingsLabel} • {data.heatLabel}.
          </p>

          <div className="grid grid-cols-1 sm:grid-cols-2 gap-3 text-[11px]">
            <div className="p-2.5 rounded bg-[#FAF8F5] dark:bg-[#181818] border border-black/5 dark:border-white/5">
              <span className="font-bold text-[#E03E2D] block mb-1">{data.ingredientsHeading}</span>
              {data.ingredients.slice(0, 3).map((ing, i) => (
                <div key={i} className="flex justify-between py-0.5">
                  <span className="text-[#1A1A1A] dark:text-[#E0E0E0]">{ing.name}</span>
                  <span className="font-mono font-bold text-[#8B6F47] dark:text-[#C5A17A]">{ing.amount}</span>
                </div>
              ))}
            </div>
            <div className="p-2.5 rounded bg-[#FAF8F5] dark:bg-[#181818] border border-black/5 dark:border-white/5">
              <span className="font-bold text-[#E03E2D] block mb-1">{data.stepsHeading}</span>
              {data.steps.slice(0, 2).map((st, i) => (
                <div key={i} className="py-0.5 leading-snug text-[#1A1A1A]/85 dark:text-[#D5D5D5]">
                  <strong className="text-[#1A1A1A] dark:text-white">{st.num}.</strong> {st.desc}
                </div>
              ))}
            </div>
          </div>
        </div>

        <div className="pt-2 border-t border-black/10 dark:border-white/10 flex justify-between items-center text-[10.5px] text-[#1A1A1A]/70 dark:text-white/60 font-mono">
          <span>Adobe PostScript • Calque vectoriel préservé</span>
          <span className="text-[#E03E2D] font-bold">100% Fidélité PDF</span>
        </div>
      </div>
    </div>
  );
}

/**
 * Composant principal de démonstration
 */
export function HeroVisual() {
  const prefersReduced = useReducedMotion();
  const [format, setFormat] = useState<OfficeFormat>('docx');
  const [langIndex, setLangIndex] = useState(0);
  const [prevLangIndex, setPrevLangIndex] = useState(0);
  const [isTranslating, setIsTranslating] = useState(false);
  const [scanProgress, setScanProgress] = useState(0);

  const cfg = FORMAT_CONFIG[format];
  const currentRecipe = RECIPES[langIndex];
  const prevRecipe = RECIPES[prevLangIndex];

  // Déclencher une traduction manuelle ou automatique
  const triggerTranslation = useCallback((targetLangIndex: number) => {
    if (targetLangIndex === langIndex || isTranslating) return;

    setPrevLangIndex(langIndex);
    setLangIndex(targetLangIndex);
    setIsTranslating(true);
    setScanProgress(0);

    const startTime = performance.now();
    const animateScan = (currentTime: number) => {
      const elapsed = currentTime - startTime;
      const progress = Math.min(elapsed / SCAN_DURATION_MS, 1);
      setScanProgress(progress * 100);

      if (progress < 1) {
        requestAnimationFrame(animateScan);
      } else {
        setIsTranslating(false);
        setPrevLangIndex(targetLangIndex);
      }
    };

    requestAnimationFrame(animateScan);
  }, [langIndex, isTranslating]);

  // Boucle de rotation automatique des langues (toutes les ~6.2 secondes)
  useEffect(() => {
    if (prefersReduced) return;

    const interval = setInterval(() => {
      setLangIndex((current) => {
        const next = (current + 1) % RECIPES.length;
        setPrevLangIndex(current);
        setIsTranslating(true);
        setScanProgress(0);

        const startTime = performance.now();
        const animateScan = (currentTime: number) => {
          const elapsed = currentTime - startTime;
          const progress = Math.min(elapsed / SCAN_DURATION_MS, 1);
          setScanProgress(progress * 100);

          if (progress < 1) {
            requestAnimationFrame(animateScan);
          } else {
            setIsTranslating(false);
            setPrevLangIndex(next);
          }
        };

        requestAnimationFrame(animateScan);
        return next;
      });
    }, CYCLE_DURATION_MS);

    return () => clearInterval(interval);
  }, [prefersReduced]);

  // Sélecteur de rendu selon le format actif
  const renderSheet = (data: RecipeData) => {
    switch (format) {
      case 'xlsx':
        return <ExcelDocumentSheet data={data} />;
      case 'pptx':
        return <PptxDocumentSheet data={data} />;
      case 'pdf':
        return <PdfDocumentSheet data={data} />;
      case 'docx':
      default:
        return <WordDocumentSheet data={data} />;
    }
  };

  return (
    <div className="w-full relative mx-auto select-none">
      {/* Halo d'ambiance doré sous la fenêtre */}
      <div className="absolute -inset-2 bg-gradient-to-r from-brand-accent/30 via-amber-400/20 to-brand-accent/30 rounded-3xl blur-2xl opacity-70 pointer-events-none -z-10" />

      {/* Pastille Flottante 1 (Gauche) */}
      <div className="hidden xl:flex floating-badge absolute -left-12 top-16 z-30 items-center gap-3 px-4 py-2.5 rounded-2xl bg-white/95 dark:bg-[#1f1f1f]/95 border border-brand-accent/40 shadow-2xl backdrop-blur-xl">
        <div className="w-8 h-8 rounded-xl bg-emerald-500/15 text-emerald-600 dark:text-emerald-400 flex items-center justify-center">
          <ShieldCheck className="w-4 h-4" />
        </div>
        <div className="text-left">
          <div className="text-xs font-bold text-brand-dark dark:text-white">SmartArt & Formules</div>
          <div className="text-[10px] text-brand-dark/60 dark:text-white/60 font-medium">100% Intacts et recalculés</div>
        </div>
      </div>

      {/* Pastille Flottante 2 (Droite) */}
      <div className="hidden xl:flex floating-badge-delayed absolute -right-12 top-32 z-30 items-center gap-3 px-4 py-2.5 rounded-2xl bg-white/95 dark:bg-[#1f1f1f]/95 border border-brand-accent/40 shadow-2xl backdrop-blur-xl">
        <div className="w-8 h-8 rounded-xl bg-blue-500/15 text-blue-600 dark:text-blue-400 flex items-center justify-center">
          <Sparkles className="w-4 h-4 text-[#185ABD] dark:text-[#6BA5FF]" />
        </div>
        <div className="text-left">
          <div className="text-xs font-bold text-brand-dark dark:text-white">Rétention Zéro</div>
          <div className="text-[10px] text-brand-dark/60 dark:text-white/60 font-medium">Données supprimées après export</div>
        </div>
      </div>

      {/* Conteneur de fenêtre logicielle Office / PDF ultra-réaliste */}
      <div className="relative rounded-2xl md:rounded-3xl border border-black/15 dark:border-white/15 bg-[#FDFCF9] dark:bg-[#141414] shadow-[0_25px_60px_-15px_rgba(0,0,0,0.18)] dark:shadow-[0_25px_60px_-15px_rgba(0,0,0,0.8)] overflow-hidden">

        {/* ============================================================ */}
        {/* 1. BARRE DE TITRE OFFICIELLE DU LOGICIEL (Word/Excel/PPT/PDF) */}
        {/* ============================================================ */}
        <div className={cn('px-3.5 py-2 sm:px-4 sm:py-2.5 flex items-center justify-between transition-colors duration-300', cfg.headerBg, cfg.headerText)}>
          
          {/* Gauche : Icônes d'accès rapide (Enregistrer, Annuler, Rétablir) */}
          <div className="flex items-center gap-2 sm:gap-3">
            <div className="flex items-center gap-1.5 pr-2 border-r border-white/20">
              <span className="w-2.5 h-2.5 rounded-full bg-white/25 hover:bg-white/40" />
              <span className="w-2.5 h-2.5 rounded-full bg-white/25 hover:bg-white/40" />
              <span className="w-2.5 h-2.5 rounded-full bg-white/25 hover:bg-white/40" />
            </div>

            <div className="hidden sm:flex items-center gap-2 text-white/80">
              <Save className="w-3.5 h-3.5 hover:text-white cursor-pointer" />
              <Undo className="w-3.5 h-3.5 hover:text-white cursor-pointer" />
              <Redo className="w-3.5 h-3.5 hover:text-white cursor-pointer" />
            </div>

            <span className="font-mono text-[11px] sm:text-[12px] font-bold tracking-tight text-white flex items-center gap-1.5">
              <cfg.icon className="w-3.5 h-3.5" />
              <span>{cfg.defaultFile} — {cfg.appTitle}</span>
            </span>
          </div>

          {/* Centre : Recherche Office */}
          <div className="hidden md:flex items-center gap-1.5 px-3 py-0.5 rounded bg-black/20 text-white/70 text-[11px] font-sans">
            <Search className="w-3 h-3" />
            <span>Rechercher ou demander de l&apos;aide (Alt+Q)</span>
          </div>

          {/* Droite : Boutons de fenêtre Windows / Mac */}
          <div className="flex items-center gap-2 text-white/80">
            <Minus className="w-3.5 h-3.5 cursor-pointer hover:text-white" />
            <Square className="w-3 h-3 cursor-pointer hover:text-white" />
            <X className="w-3.5 h-3.5 cursor-pointer hover:text-white" />
          </div>
        </div>

        {/* ============================================================ */}
        {/* 2. RUBAN OFFICE / SÉLECTEUR DE FORMAT RÉEL                   */}
        {/* ============================================================ */}
        <div className="bg-[#F3F2F1] dark:bg-[#202020] border-b border-black/10 dark:border-white/10 px-3 sm:px-5 py-2 flex flex-wrap items-center justify-between gap-2.5">
          
          {/* Onglets des 4 formats bureautiques supportés */}
          <div className="flex items-center gap-1 sm:gap-1.5">
            {(['docx', 'xlsx', 'pptx', 'pdf'] as const).map((fmtKey) => {
              const item = FORMAT_CONFIG[fmtKey];
              const isSelected = format === fmtKey;
              const Icon = item.icon;
              return (
                <button
                  key={fmtKey}
                  onClick={() => setFormat(fmtKey)}
                  className={cn(
                    'flex items-center gap-1.5 px-2.5 py-1 rounded text-[11.5px] font-bold font-mono transition-all duration-200 cursor-pointer border',
                    isSelected
                      ? 'bg-white dark:bg-[#303030] text-[#1A1A1A] dark:text-white border-black/15 dark:border-white/20 shadow-xs ring-1 ring-black/5'
                      : 'border-transparent text-[#1A1A1A]/75 dark:text-white/70 hover:bg-black/5 dark:hover:bg-white/5'
                  )}
                  title={`Basculer vers le format ${item.label}`}
                >
                  <Icon className="w-3.5 h-3.5" style={{ color: item.accentColor }} />
                  <span>{item.ext}</span>
                </button>
              );
            })}
          </div>

          {/* Outils du ruban (Police, Gras, Italique, Alignement) */}
          <div className="hidden lg:flex items-center gap-2 pl-3 border-l border-black/10 dark:border-white/10 text-[#1A1A1A]/80 dark:text-white/80">
            <div className="flex items-center gap-1 px-2 py-0.5 rounded bg-white dark:bg-[#2A2A2A] border border-black/10 text-[11px] font-mono">
              <span>{format === 'docx' ? 'Calibri' : format === 'xlsx' ? 'Segoe UI' : 'Arial'}</span>
              <ChevronDown className="w-3 h-3" />
            </div>
            <div className="flex items-center gap-0.5">
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><Bold className="w-3.5 h-3.5" /></button>
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><Italic className="w-3.5 h-3.5" /></button>
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><Underline className="w-3.5 h-3.5" /></button>
            </div>
            <div className="h-3 w-px bg-black/10 dark:bg-white/10" />
            <div className="flex items-center gap-0.5">
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><AlignLeft className="w-3.5 h-3.5" /></button>
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><AlignCenter className="w-3.5 h-3.5" /></button>
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><List className="w-3.5 h-3.5" /></button>
              <button className="p-1 rounded hover:bg-black/10 dark:hover:bg-white/10"><TableIcon className="w-3.5 h-3.5" /></button>
            </div>
          </div>

          {/* Sélecteur de langue en direct */}
          <div className="flex items-center gap-1.5 ml-auto">
            <span className="text-[11px] font-semibold text-[#8B6F47] dark:text-[#C5A17A] hidden sm:inline">
              Langue :
            </span>
            <div className="flex items-center rounded-lg bg-black/[0.05] dark:bg-white/[0.08] p-0.5 border border-black/10 dark:border-white/10">
              {RECIPES.map((r, rIdx) => {
                const isActive = rIdx === langIndex;
                return (
                  <button
                    key={r.lang}
                    onClick={() => triggerTranslation(rIdx)}
                    className={cn(
                      'px-2 py-0.5 rounded text-[11px] font-bold font-mono transition-all duration-200 cursor-pointer',
                      isActive
                        ? 'bg-[#C5A17A] text-white shadow-xs'
                        : 'text-[#1A1A1A]/75 dark:text-white/70 hover:text-[#1A1A1A] dark:hover:text-white'
                    )}
                  >
                    {r.lang}
                  </button>
                );
              })}
            </div>
          </div>
        </div>

        {/* ============================================================ */}
        {/* 3. RÈGLE GRADUÉE WORD (Visible en mode .docx)                 */}
        {/* ============================================================ */}
        {format === 'docx' && (
          <div className="hidden sm:flex items-center justify-between px-8 py-0.5 bg-[#FAF8F5] dark:bg-[#1A1A1A] border-b border-black/[0.06] dark:border-white/[0.06] text-[9.5px] font-mono text-[#1A1A1A]/60 dark:text-white/60">
            <span>◄ 0</span>
            <span>2</span>
            <span>4</span>
            <span>6</span>
            <span>8</span>
            <span>10</span>
            <span>12</span>
            <span>14</span>
            <span>16 cm ►</span>
          </div>
        )}

        {/* ============================================================ */}
        {/* 4. PLAN DE TRAVAIL & DOCUMENT A4 FLOTTANT                    */}
        {/* ============================================================ */}
        <div className="p-3 sm:p-5 md:p-6 bg-[#EBE9E4] dark:bg-[#121212] flex items-center justify-center min-h-[380px]">
          
          {/* Feuille de document flottante avec ombre de papier réelle */}
          <div className="relative w-full max-w-4xl rounded-lg sm:rounded-xl overflow-hidden border border-black/10 dark:border-white/10 bg-white dark:bg-[#1C1C1C] shadow-[0_12px_35px_rgba(0,0,0,0.12)] dark:shadow-[0_12px_35px_rgba(0,0,0,0.6)]">
            
            {/* Conteneur Superposé Grid garantissant 0px de décalage */}
            <div className="relative grid grid-cols-1 grid-rows-1">
              
              {/* Couche 1 : Document de base (Langue précédente ou active) */}
              <div className="col-start-1 row-start-1 w-full h-full">
                {renderSheet(isTranslating ? prevRecipe : currentRecipe)}
              </div>

              {/* Couche 2 : Document traduit révélé par découpe (Clip-path) */}
              {isTranslating && !prefersReduced && (
                <div
                  className="col-start-1 row-start-1 w-full h-full pointer-events-none"
                  style={{
                    clipPath: `inset(0% 0% ${100 - scanProgress}% 0%)`,
                  }}
                >
                  {renderSheet(currentRecipe)}
                </div>
              )}

              {/* ============================================================ */}
              {/* 5. ONDE DORÉE DE NUMÉRISATION / TRADUCTION                  */}
              {/* ============================================================ */}
              {isTranslating && !prefersReduced && (
                <div
                  className="pointer-events-none absolute inset-x-0 z-30 transition-transform duration-75"
                  style={{
                    top: `${scanProgress}%`,
                    transform: 'translateY(-50%)',
                  }}
                >
                  {/* Halo lumineux doré au-dessus */}
                  <div className="h-16 w-full -mt-16 bg-gradient-to-b from-transparent via-[#C5A17A]/15 to-[#C5A17A]/30" />

                  {/* Ligne laser dorée principale */}
                  <div className="relative h-[2.5px] w-full bg-gradient-to-r from-transparent via-[#C5A17A] to-transparent shadow-[0_0_15px_#C5A17A,0_0_5px_#FFE4B5]" />

                  {/* Badge central d'indication de traduction */}
                  <div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 flex items-center gap-1.5 px-3 py-0.5 rounded-full bg-[#1A1A1A] text-[#C5A17A] border border-[#C5A17A]/70 shadow-[0_0_15px_rgba(197,161,122,0.5)] text-[11px] font-mono font-bold tracking-wider uppercase">
                    <Sparkles className="w-3 h-3 text-[#C5A17A] animate-spin" />
                    <span>Traduction en direct : {prevRecipe.lang} → {currentRecipe.lang}</span>
                  </div>
                </div>
              )}
            </div>
          </div>
        </div>

        {/* ============================================================ */}
        {/* 6. BARRE D'ÉTAT OFFICIELLE EN BAS (Statistiques & Langue)    */}
        {/* ============================================================ */}
        <div className={cn('px-4 py-2 sm:px-6 sm:py-2.5 flex flex-wrap items-center justify-between gap-2 text-[11px] font-sans text-white transition-colors duration-300', cfg.statusBg)}>
          
          {/* Statistiques documentaires officielles */}
          <div className="flex items-center gap-3 sm:gap-4 font-medium">
            <span>Page 1 sur 1</span>
            <span className="hidden sm:inline text-white/40">|</span>
            <span className="hidden sm:inline">184 mots</span>
            <span className="text-white/40">|</span>
            <span className="font-bold flex items-center gap-1 bg-black/20 px-2 py-0.5 rounded">
              <span>{currentRecipe.langName}</span>
            </span>
          </div>

          {/* Sceau de conformité Wordly.art */}
          <div className="flex items-center gap-2 font-medium">
            <Check className="w-3.5 h-3.5 text-emerald-300 stroke-[3]" />
            <span className="hidden md:inline">Mise en page 100% inviolée :</span>
            <span className="font-bold font-mono">0 pixel de décalage</span>
          </div>

          {/* Indicateur de Zoom */}
          <div className="hidden sm:flex items-center gap-2 text-white/80 font-mono text-[10.5px]">
            <span>Mode Page</span>
            <span>100%</span>
          </div>
        </div>

      </div>
    </div>
  );
}