// The shell frame's pure parts: its words (every key it uses has English and every English key is
// used), the palette's ordering with a site's items, the address fallback, the one-in-flight layout
// sync, the first-frame script, the chrome variables, the account switcher's rules, workspaces and
// the deck settings with a site's flags.
import assert from 'node:assert/strict';
import { readFileSync, readdirSync, statSync } from 'node:fs';
import { dirname, join } from 'node:path';
import test from 'node:test';
import { fileURLToPath } from 'node:url';
import { accountAction, accountStartUrl, tabsByAccount, type PaneInfo } from '../src/frame/accountModel.ts';
import { BOOT_CACHE_KEY, bootScript } from '../src/frame/boot.ts';
import { CHROME_VAR_NAMES, chromeVars } from '../src/frame/chromeTheme.ts';
import { defaultDeckSettings, normalizeDeckSettings } from '../src/frame/deckStore.ts';
import { FRAME_MESSAGES } from '../src/frame/frameMessages.ts';
import { attachTarget } from '../src/frame/mediaModel.ts';
import { buildItems, type PaletteContext } from '../src/frame/paletteModel.ts';
import { toUrl } from '../src/frame/searchInput.ts';
import { configureSite, type ShellSite } from '../src/frame/site.ts';
import { latestOnly } from '../src/frame/syncGate.ts';
import { captureWorkspace, planRestore } from '../src/frame/workspaceModel.ts';
import { normalizeProfiles } from '../src/profileModel.ts';

const here = dirname(fileURLToPath(import.meta.url));
const FRAME = join(here, '../src/frame');
const files = (dir: string): string[] => readdirSync(dir).flatMap(name => {
  const path = join(dir, name);
  return statSync(path).isDirectory() ? files(path) : [path];
});

test('every key the frame uses has English, and every English key is used', () => {
  const sources = files(FRAME).filter(file => /\.tsx?$/.test(file) && !file.endsWith('frameMessages.ts')).map(file => readFileSync(file, 'utf8')).join('\n');
  const used = new Set([...sources.matchAll(/'(wb\.[A-Za-z0-9_.]+)'/g)].map(match => match[1]!));
  const en = JSON.parse(readFileSync(join(here, '../../waybetter/locales/en.json'), 'utf8')).messages as Record<string, string>;
  for (const key of used) assert.ok(key in en, `${key} is in the framework catalog`);
  // `wb.backup.section.<id>` is built at runtime (backupModel.sectionLabel).
  for (const key of Object.keys(FRAME_MESSAGES)) assert.ok(used.has(key) || key.startsWith('wb.backup.section.'), `${key} is used`);
});

const site = {
  name: 'Example', product: 'wayBetter for Example', logo: '', homeUrl: 'https://example.com/home', loginUrl: 'https://example.com/login', logoutUrl: 'https://example.com/logout',
  isSiteUrl: (url: string) => url.startsWith('https://example.com/'),
  accounts: { handle: /^\w{1,15}$/, avatarPrefixes: [], handlePrefix: '@' },
  searchUrl: (text: string) => `https://example.com/search?q=${encodeURIComponent(text)}`,
  address: () => null,
  panel: { id: 'app', title: 'App', component: () => null },
  newTab: { search: () => 'Search', links: [] },
  palette: {
    placeholder: () => 'Search',
    search: text => ({ id: 'search', group: 'Search', label: `Search for ${text}`, action: { type: 'open', url: `https://example.com/search?q=${text}` } }),
    completions: text => (text.endsWith(':') ? [{ id: 'op:from:', group: 'Operators', label: 'from:', action: { type: 'complete', text: `${text}someone` } }] : []),
    sections: [{ id: 'themes', label: () => 'Themes', keywords: 'colors', icon: 'palette' }],
    items: () => [{ id: 'page:/home', group: 'Example', label: 'Home', keywords: 'feed', action: { type: 'open', url: 'https://example.com/home' } }],
  },
  deck: {
    kinds: [{ kind: 'home', label: 'Home', icon: 'home', hint: '' }], urlFor: () => 'https://example.com/home', title: () => ({ title: 'Home' }),
    parseValue: () => '', invalid: () => '', flags: [{ key: 'quiet', label: 'Quiet', hint: '' }], extraFlags: ['hidden'], defaultFlags: { quiet: true },
  },
} satisfies ShellSite;
configureSite(site);

const context: PaletteContext = {
  tabs: [{ id: 't1', title: 'Home', url: 'https://example.com/home' }],
  profiles: [{ id: 'default', name: 'Main' }],
  activeProfile: 'default',
  decks: [],
};
const setup = { site: site.palette, product: site.product, decks: true, media: false };

test('palette: frame groups, then the app, plugins and the site; the literal search stays last', () => {
  const empty = buildItems(context, '', setup);
  assert.deepEqual([...new Set(empty.map(item => item.group))], ['Tabs', 'Deck', 'Workspaces', 'Profiles', 'wayBetter for Example', 'Example']);
  assert.ok(!empty.some(item => item.id === 'media'), 'no media item without a media panel');
  const typed = buildItems(context, 'hom', setup);
  assert.equal(typed.at(-1)?.id, 'search');
  assert.equal(typed.filter(item => item.id === 'search').length, 1);
  assert.equal(buildItems(context, 'x from:', setup)[0]?.id, 'op:from:', 'completions come first');
  assert.ok(!buildItems(context, '', { ...setup, decks: false }).some(item => item.group === 'Deck'));
});

test('address text: URLs, bare domains, else the site search', () => {
  assert.equal(toUrl(' https://a.dev/x ', site.searchUrl), 'https://a.dev/x');
  assert.equal(toUrl('a.dev/x', site.searchUrl), 'https://a.dev/x');
  assert.equal(toUrl('two words', site.searchUrl), 'https://example.com/search?q=two%20words');
});

test('layout sync: one send in flight, only the newest waits', async () => {
  const sent: number[] = [];
  let release!: () => void;
  const send = latestOnly<number>(async value => { sent.push(value); if (value === 1) await new Promise<void>(resolve => { release = resolve; }); });
  const first = send(1);
  void send(2);
  const third = send(3);
  release();
  await Promise.all([first, third]);
  assert.deepEqual(sent, [1, 3]);
});

test('boot script: paints only the shell webview, only --wb-* variables', () => {
  const source = bootScript();
  assert.doesNotThrow(() => new Function(source));
  assert.ok(source.includes(JSON.stringify(BOOT_CACHE_KEY)));
  assert.ok(source.includes("label !== \"shell\""));
  assert.ok(bootScript({ label: 'main' }).includes("label !== \"main\""));
});

test('chrome variables: none for the own style, fonts only without colors, every name listed', () => {
  assert.deepEqual(chromeVars({ colors: null }, true), {});
  assert.deepEqual(chromeVars({ chromeFont: 'Inter', colors: null }), { '--wb-f-chrome': 'Inter' });
  const vars = chromeVars({ colors: { bg: '#ffffff', surface: '#f4f4f4', elevated: '#eeeeee', border: '#dddddd', text: '#111111', muted: '#666666', accent: '#1d9bf0' } });
  assert.equal(vars['--wb-c-scheme'], 'light');
  for (const name of Object.keys(vars)) assert.ok(CHROME_VAR_NAMES.includes(name), name);
});

test('account switcher: a visible pane on the site first, else the feed or sign-in beside', () => {
  const settings = normalizeProfiles({ active: 'default', profiles: [
    { id: 'default', name: 'Main', color: '#1d9bf0', account: { handle: 'me', name: 'Me', signedIn: true } },
    { id: 'pnew1', name: 'New', color: '#f91880' },
  ] }, site.accounts);
  const panes: PaneInfo[] = [
    { id: 'a', kind: 'web', profile: 'default', url: 'https://other.dev/', visible: true },
    { id: 'b', kind: 'web', profile: 'default', url: 'https://example.com/home', visible: true },
  ];
  const pages = { homeUrl: site.homeUrl, loginUrl: site.loginUrl, isSiteUrl: site.isSiteUrl };
  assert.deepEqual(accountAction(settings, panes, null, 'default', pages), { type: 'focus', paneId: 'b' });
  assert.deepEqual(accountAction(settings, panes, null, 'pnew1', pages), { type: 'open', url: site.loginUrl, profile: 'pnew1', where: 'beside' });
  assert.equal(accountStartUrl(settings.profiles[0]!, pages), site.homeUrl);
  assert.deepEqual([...tabsByAccount(settings, panes).keys()], ['default']);
  assert.equal(attachTarget([{ id: 'a', url: 'https://other.dev/' }, { id: 'b', url: 'https://example.com/x' }], 'a', site.isSiteUrl)?.id, 'b');
});

test('workspaces: web tabs get fresh ids on restore, the app panel keeps its own', () => {
  const layout = {
    grid: { root: { type: 'branch', data: [{ type: 'leaf', data: { views: ['w1', 'app'], activeView: 'w1', id: '1' }, size: 100 }], size: 100 }, width: 100, height: 100, orientation: 'HORIZONTAL' },
    panels: {
      w1: { id: 'w1', contentComponent: 'web', params: { kind: 'web', url: 'https://example.com/home', loading: true } },
      app: { id: 'app', contentComponent: 'panel', params: { kind: 'panel', section: 'themes', nonce: 4 } },
    },
  };
  const workspace = captureWorkspace({ id: 'one', name: 'One', layout });
  assert.deepEqual(workspace.layout.panels.w1?.params, { kind: 'web', url: 'https://example.com/home' });
  const plan = planRestore(workspace, () => 'fresh');
  assert.deepEqual(Object.keys(plan.layout.panels).sort(), ['app', 'fresh']);
});

test('deck settings: the site\'s default flags; unknown flags are dropped', () => {
  assert.deepEqual(defaultDeckSettings().flags, { quiet: true });
  assert.deepEqual(normalizeDeckSettings({ flags: { quiet: false, hidden: true, other: true } }).flags, { quiet: false, hidden: true });
});