// Game services status for both stores, read-only: what `validate`, `check`, the MCP tool and the desktop card show.
// Local part (no network): the Game Center entitlement, the PGS APP_ID resource and Gradle dependency, the player-id
// declaration reminders. Store part: Game Center (App ID capability, detail, version switch, counts, pending changes)
// and Play Games Services (counts, pending changes).
import { readGameCenter } from './apple/game-center';
import { ascClient } from './apple/asc';
import { readProjectEntitlements } from './apple/signing';
import type { Loaded } from './lib/config';
import { consoleUrl } from './lib/console-links';
import { type Finding, gamesPrivacyFindings, gcFindings, hasAndroidProject, planGameCenter, planPlayGames, pgsFindings, readPgsProject, usesGameCenter, usesPlayGames } from './lib/game-services';
import type { Finding as VFinding } from './lib/validate-rules';
import { gamesConfigClient, playDefaultLocale, readPlayGames } from './play/games';

export interface GameServicesStatus {
  apple: null | { capability: boolean | null; enabled: boolean; version: string | null; versionEnabled: boolean | null; leaderboards: number; achievements: number;
    config: { leaderboards: number; achievements: number }; changes: string[]; error?: string };
  play: null | { appId: string | null; resource: string | null; leaderboards: number; achievements: number;
    config: { leaderboards: number; achievements: number }; changes: string[]; error?: string };
  findings: (Finding & { store: 'apple' | 'play' })[];
  links: { label: string; url: string }[];
}

/** Offline findings (check, scan-like): entitlement, APP_ID resource, declarations reminders. */
export function localGameFindings(loaded: Loaded): (Finding & { store: 'apple' | 'play' })[] {
  const { config, root } = loaded;
  const out: (Finding & { store: 'apple' | 'play' })[] = [];
  if (config.apple) { let ents = null; try { ents = readProjectEntitlements(root); } catch { /* unreadable */ } out.push(...gcFindings(config, ents).map(f => ({ ...f, store: 'apple' as const }))); }
  if (config.play && hasAndroidProject(root)) out.push(...pgsFindings(config, readPgsProject(root)).map(f => ({ ...f, store: 'play' as const })));
  for (const f of gamesPrivacyFindings(config)) out.push({ ...f, store: f.id === 'games.app-privacy' ? 'apple' : 'play' });
  return out;
}

const changesOf = (plan: { kind: string; id: string; action: string; locales: { action: string; locale: string }[] }[]) =>
  plan.flatMap(p => [...(p.action !== 'keep' ? [`${p.kind} ${p.id}: ${p.action}`] : []), ...p.locales.filter(l => l.action !== 'keep').map(l => `${p.kind} ${p.id} ${l.locale}: ${l.action}`)]);

export async function gameServicesStatus(loaded: Loaded, o: { apple?: boolean; play?: boolean } = {}): Promise<GameServicesStatus> {
  const { config, root } = loaded;
  const g = config.games ?? {};
  const findings = localGameFindings(loaded);
  const out: GameServicesStatus = { apple: null, play: null, findings, links: [] };
  const count = (store: 'apple' | 'play') => ({ leaderboards: (g.leaderboards ?? []).filter(x => !x.platforms || x.platforms.includes(store === 'apple' ? 'ios' : 'android')).length,
    achievements: (g.achievements ?? []).filter(x => !x.platforms || x.platforms.includes(store === 'apple' ? 'ios' : 'android')).length });
  if (config.apple && usesGameCenter(config) && o.apple !== false) {
    out.links.push({ label: 'App Store Connect: the version page (Game Center section)', url: consoleUrl('asc.version') });
    try {
      const c = await ascClient(root, config.apple.bundleId, config.apple.appId);
      const s = await readGameCenter(c, config.apple.bundleId);
      out.apple = { capability: s.capability, enabled: !!s.detail, version: s.version?.versionString ?? null, versionEnabled: s.version ? s.version.enabled : null,
        leaderboards: s.leaderboards.length, achievements: s.achievements.length, config: count('apple'), changes: changesOf(planGameCenter(g, config.languages, s)) };
    } catch (e) { out.apple = { capability: null, enabled: false, version: null, versionEnabled: null, leaderboards: 0, achievements: 0, config: count('apple'), changes: [], error: (e as Error).message.slice(0, 300) }; }
  }
  if (config.play && usesPlayGames(config) && o.play !== false) {
    out.links.push({ label: 'Play Console: Play Games Services configuration', url: consoleUrl('play.games-services') }, { label: 'Play Console: Play app signing (SHA-1)', url: consoleUrl('play.app-signing') });
    const res = hasAndroidProject(root) ? readPgsProject(root).appId : null;
    const appId = g.playGames?.appId ?? res?.value ?? null;
    const base = { appId, resource: res ? `${res.value} (${res.file})` : null, config: count('play') };
    if (!appId) out.play = { ...base, leaderboards: 0, achievements: 0, changes: [], error: 'no games project id yet (storebound console plan play-games-services)' };
    else try {
      const have = await readPlayGames(gamesConfigClient(root), appId);
      out.play = { ...base, leaderboards: have.leaderboards.length, achievements: have.achievements.length, changes: changesOf(planPlayGames(g, config.languages, playDefaultLocale(config), have)) };
    } catch (e) { out.play = { ...base, leaderboards: 0, achievements: 0, changes: [], error: (e as Error).message.slice(0, 300) }; }
  }
  return out;
}

/** The status as validate findings (pure). */
export function gameServicesFindings(s: GameServicesStatus): VFinding[] {
  const out: VFinding[] = s.findings.map(f => ({ store: f.store, level: f.level === 'error' ? 'blocker' : f.level, code: f.id, msg: f.msg, ...(f.fix ? { fix: f.fix } : {}) }) as VFinding);
  const a = s.apple;
  if (a) {
    if (a.error) out.push({ store: 'apple', level: 'warn', code: 'game-center', msg: `Game Center not read: ${a.error}` });
    else {
      if (a.capability === false) out.push({ store: 'apple', level: 'blocker', code: 'game-center.capability', msg: 'games.gameCenter is true but the App ID has no GAME_CENTER capability: the build\'s profile will not allow Game Center', fix: 'storebound apple signing ensure --dry, then without --dry' });
      if (!a.enabled) out.push({ store: 'apple', level: 'blocker', code: 'game-center.detail', msg: 'Game Center is not switched on for the app in App Store Connect', fix: 'storebound apple game-center --dry, then without --dry' });
      if (a.versionEnabled === false) out.push({ store: 'apple', level: 'warn', code: 'game-center.version', msg: `version ${a.version} does not have Game Center switched on`, fix: 'storebound apple game-center' });
      if (a.changes.length) out.push({ store: 'apple', level: 'warn', code: 'game-center.sync', msg: `Game Center differs from the config: ${a.changes.slice(0, 6).join('; ')}${a.changes.length > 6 ? ` (+${a.changes.length - 6})` : ''}`, fix: 'storebound apple game-center --dry' });
      if (a.enabled && !a.changes.length) out.push({ store: 'apple', level: 'ok', code: 'game-center', msg: `Game Center on: ${a.leaderboards} leaderboard(s), ${a.achievements} achievement(s), in step with the config` });
    }
  }
  const p = s.play;
  if (p) {
    if (p.error) out.push({ store: 'play', level: 'warn', code: 'play-games', msg: `Play Games Services not read: ${p.error}`, fix: 'storebound console plan play-games-services' });
    else if (p.changes.length) out.push({ store: 'play', level: 'warn', code: 'play-games.sync', msg: `Play Games Services differs from the config: ${p.changes.slice(0, 6).join('; ')}`, fix: 'storebound play games --dry' });
    else out.push({ store: 'play', level: 'ok', code: 'play-games', msg: `Play Games Services project ${p.appId}: ${p.leaderboards} leaderboard(s), ${p.achievements} achievement(s), in step with the config` });
    if (!p.error && p.achievements < 5) out.push({ store: 'play', level: 'warn', code: 'play-games.achievements', msg: `${p.achievements} achievement(s) on Play: a games project needs at least 5 before it can be published`, fix: 'add achievements to games.achievements, then storebound play games' });
  }
  return out;
}

/** `storebound games status [--json]`: both stores' game services in one read-only report (desktop card, MCP). */
export async function run(ctx: import('./lib/ctx').Ctx): Promise<void> {
  const s = await gameServicesStatus(ctx.loaded);
  if (ctx.args.has('json')) { console.log(JSON.stringify(s, null, 2)); return; }
  const { formatFindings } = await import('./lib/validate-rules');
  console.log(formatFindings(gameServicesFindings(s)));
  for (const l of s.links) console.log(`${l.label}: ${l.url}`);
}