// Writes src/components/icons/index.ts from Tabler's outline path data.
//
// The app draws the same icon set as the webmail (Tabler Icons, MIT) under the
// names it used when it was on Lucide, so screens import `{ Mail, Trash2 }`
// from components/icons. Only the glyphs listed in MAP ship in the bundle.
//
//   node scripts/generate-icons.mjs [path/to/tabler-nodes-outline.json]
//
// The default path is the webmail checkout this repo usually sits in
// (repos/react-native inside jmap-webmail), whose node_modules has
// @tabler/icons. Add a line to MAP to make a new icon importable.

import { readFileSync, writeFileSync } from 'node:fs';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';

const ROOT = join(dirname(fileURLToPath(import.meta.url)), '..');
const SOURCE = process.argv[2]
  ?? join(ROOT, '..', '..', 'node_modules', '@tabler', 'icons', 'tabler-nodes-outline.json');

// App name -> Tabler outline name. Where the webmail (components/icons) maps
// the same name, this uses its choice.
const MAP = {
  AlarmClock: 'alarm',
  AlertCircle: 'alert-circle',
  AlertTriangle: 'alert-triangle',
  AlignCenter: 'align-center',
  AlignLeft: 'align-left',
  AlignRight: 'align-right',
  Archive: 'archive',
  ArrowDown: 'arrow-down',
  ArrowDownWideNarrow: 'sort-descending',
  ArrowLeft: 'arrow-left',
  ArrowRight: 'arrow-right',
  ArrowUp: 'arrow-up',
  ArrowUpDown: 'arrows-sort',
  ArrowUpNarrowWide: 'sort-ascending',
  Ban: 'ban',
  Bell: 'bell',
  BellOff: 'bell-off',
  BellRing: 'bell-ringing',
  Bold: 'bold',
  Book: 'book-2',
  BookOpen: 'book',
  BookUser: 'address-book',
  Bug: 'bug',
  Building: 'building',
  Cake: 'cake',
  Calendar: 'calendar',
  CalendarDays: 'calendar-month',
  CalendarPlus: 'calendar-plus',
  Camera: 'camera',
  Check: 'check',
  CheckCheck: 'checks',
  CheckCircle: 'circle-check',
  CheckCircle2: 'circle-check',
  CheckSquare: 'square-check',
  ChevronDown: 'chevron-down',
  ChevronLeft: 'chevron-left',
  ChevronRight: 'chevron-right',
  ChevronUp: 'chevron-up',
  CircleCheck: 'circle-check',
  ClipboardPaste: 'clipboard-text',
  Clock: 'clock',
  CloudDownload: 'cloud-download',
  CloudOff: 'cloud-off',
  Code: 'code',
  Columns3: 'columns-3',
  Columns4: 'layout-columns',
  Copy: 'copy',
  Database: 'database',
  Download: 'download',
  Edit2: 'pencil',
  Eraser: 'eraser',
  ExternalLink: 'external-link',
  Eye: 'eye',
  EyeOff: 'eye-off',
  File: 'file',
  FileArchive: 'file-zip',
  FileAudio: 'file-music',
  FileCode: 'file-code',
  FileCode2: 'file-code-2',
  FileImage: 'photo',
  FileInput: 'file-import',
  FileSpreadsheet: 'file-spreadsheet',
  FileText: 'file-text',
  FileVideo: 'video',
  Filter: 'filter',
  Flag: 'flag',
  FlaskConical: 'flask',
  Folder: 'folder',
  FolderArchive: 'archive',
  FolderInput: 'folder-down',
  FolderOpen: 'folder-open',
  FolderPlus: 'folder-plus',
  FolderSync: 'folders',
  Forward: 'arrow-forward-up',
  Globe: 'world',
  Grid3x3: 'grid-dots',
  GripVertical: 'grip-vertical',
  HardDrive: 'server-2',
  Heading1: 'h-1',
  Heading2: 'h-2',
  Heart: 'heart',
  HelpCircle: 'help-circle',
  Highlighter: 'highlight',
  Image: 'photo',
  Import: 'file-import',
  Inbox: 'inbox',
  Info: 'info-circle',
  Italic: 'italic',
  Key: 'key',
  KeyRound: 'key',
  Languages: 'language',
  Layers: 'stack',
  LayoutGrid: 'layout-grid',
  LayoutTemplate: 'template',
  Link2: 'link',
  Link2Off: 'unlink',
  List: 'list',
  ListChecks: 'list-check',
  ListOrdered: 'list-numbers',
  Lock: 'lock',
  LogOut: 'logout',
  Mail: 'mail',
  MailCheck: 'mail-check',
  MailMinus: 'mail-minus',
  MailOpen: 'mail-opened',
  Mails: 'inbox',
  MapPin: 'map-pin',
  Maximize2: 'maximize',
  Menu: 'menu-2',
  MessageSquare: 'message',
  Minus: 'minus',
  Monitor: 'device-desktop',
  Moon: 'moon',
  MoreHorizontal: 'dots',
  MoreVertical: 'dots-vertical',
  MoveVertical: 'arrows-vertical',
  Palette: 'palette',
  Palmtree: 'beach',
  PanelLeftClose: 'layout-sidebar-left-collapse',
  PanelRight: 'layout-sidebar-right',
  Paperclip: 'paperclip',
  PenLine: 'pencil',
  PenSquare: 'edit',
  Pencil: 'pencil',
  Phone: 'phone',
  Pin: 'pinned',
  PinOff: 'pinned-off',
  Plus: 'plus',
  Puzzle: 'puzzle',
  QrCode: 'qrcode',
  Quote: 'quote',
  Redo2: 'arrow-forward',
  RefreshCw: 'refresh',
  RemoveFormatting: 'clear-formatting',
  Repeat: 'repeat',
  Reply: 'arrow-back-up',
  ReplyAll: 'arrow-back-up-double',
  RotateCcw: 'rotate',
  Rows2: 'layout-rows',
  Rss: 'rss',
  Save: 'device-floppy',
  ScanSearch: 'zoom-scan',
  Scale: 'scale',
  Search: 'search',
  Send: 'send',
  Server: 'server',
  Settings: 'settings',
  Share2: 'share-2',
  Shield: 'shield',
  ShieldAlert: 'shield-exclamation',
  ShieldCheck: 'shield-check',
  ShieldQuestion: 'shield-question',
  Shuffle: 'arrows-shuffle',
  Smartphone: 'device-mobile',
  Square: 'square',
  SquareCheck: 'square-check',
  SquarePen: 'edit',
  Star: 'star',
  StickyNote: 'note',
  Strikethrough: 'strikethrough',
  Sun: 'sun',
  Table: 'table',
  Tag: 'tag',
  Tags: 'tags',
  Terminal: 'terminal',
  Trash: 'trash',
  Trash2: 'trash',
  Type: 'typography',
  Underline: 'underline',
  Undo2: 'arrow-back',
  Upload: 'upload',
  User: 'user',
  UserCircle: 'user-circle',
  UserMinus: 'user-minus',
  UserPen: 'user-edit',
  UserPlus: 'user-plus',
  UserRound: 'user',
  UserRoundPlus: 'user-plus',
  Users: 'users',
  Video: 'video',
  X: 'x',
  XCircle: 'circle-x',
};

function main() {
  const nodes = JSON.parse(readFileSync(SOURCE, 'utf8'));
  const glyphs = new Map();
  const missing = [];
  for (const [appName, tabler] of Object.entries(MAP)) {
    const icon = nodes[tabler];
    if (!icon) { missing.push(`${appName} -> ${tabler}`); continue; }
    const paths = icon.map(([tag, attrs]) => {
      if (tag !== 'path') throw new Error(`${tabler}: unexpected <${tag}>`);
      return attrs.d;
    });
    glyphs.set(tabler, paths);
  }
  if (missing.length) throw new Error(`Not in Tabler: ${missing.join(', ')}`);

  const lines = [
    '// Generated by scripts/generate-icons.mjs from @tabler/icons (MIT).',
    '// Do not edit by hand: add the icon to MAP in the script and run it.',
    '',
    "import { makeIcon } from './icon';",
    '',
    "export type { AppIcon, IconProps } from './icon';",
    '',
    'const G = {',
    ...[...glyphs.keys()].sort().map((k) => `  '${k}': ${JSON.stringify(glyphs.get(k))},`),
    '} as const;',
    '',
    ...Object.entries(MAP).map(([a, t]) => `export const ${a} = makeIcon('${a}', G['${t}']);`),
    '',
  ];
  writeFileSync(join(ROOT, 'src', 'components', 'icons', 'index.ts'), lines.join('\n'));
  console.log(`${Object.keys(MAP).length} names, ${glyphs.size} glyphs`);
}

main();