/**
 * Admin E2E (docs/14-admin.md §9): superadmin logs in with (mocked) Discord, edits omok defaults
 * with a lock, adds an admin; a guest's new room reflects the settings.
 * Run: bun e2e/admin.e2e.ts  (needs apps/web/dist built)
 */
import { chromium } from 'playwright-core';
import { mkdirSync, mkdtempSync } from 'node:fs';
import { join } from 'node:path';
import { loadConfig } from '../apps/server/src/config';
import { startServer } from '../apps/server/src/server';

const PORT = Number(process.env.E2E_PORT ?? 4518);
const ORIGIN = `http://localhost:${PORT}`;
const SHOTS = process.env.E2E_SHOTS ?? join(import.meta.dir, '../test-results');
mkdirSync(SHOTS, { recursive: true });
const SUPER = '293719842274541579';

const config = loadConfig({ PORT: String(PORT), DB_PATH: join(mkdtempSync(join(process.env.TMPDIR ?? '/tmp', 'bg-e2e-')), 'app.db'), PUBLIC_ORIGIN: ORIGIN });
config.discord = { clientId: 'e2e', clientSecret: 'e2e' };
const app = startServer({
  config,
  log: () => {},
  staticDir: join(import.meta.dir, '../apps/web/dist'),
  discordExchange: async (code) => ({ id: code, username: 'owner', global_name: '사금향', avatar: null }),
});

const browser = await chromium.launch({ executablePath: process.env.CHROME ?? '/usr/bin/google-chrome', headless: true });
let failed = false;
const step = async (name: string, fn: () => Promise<void>) => {
  const t0 = performance.now();
  try {
    await fn();
    console.log(`✓ ${name} (${Math.round(performance.now() - t0)}ms)`);
  } catch (e) {
    console.log(`✗ ${name}: ${(e as Error).message.split('\n')[0]}`);
    throw e;
  }
};

try {
  const adminCtx = await browser.newContext({ viewport: { width: 1440, height: 900 }, locale: 'ko-KR' });
  // Fake Discord: Playwright does not route redirect targets, so intercept our own /start, let the server
  // set its state cookie, and bounce straight back to the callback with the superadmin's ID as the code.
  await adminCtx.route(`${ORIGIN}/api/auth/discord/start*`, async (route) => {
    const res = await fetch(route.request().url(), { redirect: 'manual' });
    const loc = new URL(res.headers.get('location')!);
    const back = `${ORIGIN}/api/auth/discord/callback?code=${SUPER}&state=${loc.searchParams.get('state')}`;
    await route.fulfill({
      status: 200,
      headers: { 'content-type': 'text/html', 'set-cookie': res.headers.get('set-cookie') ?? '' },
      body: `<script>location.replace(${JSON.stringify(back)})</script>`,
    });
  });
  const a = await adminCtx.newPage();
  const errors: string[] = [];
  a.on('pageerror', (e) => errors.push(e.message));

  await step('일반 사용자는 관리자 페이지 접근 불가', async () => {
    await a.goto(ORIGIN + '/admin');
    await a.getByText('권한이 없어요').waitFor();
  });

  await step('슈퍼어드민 디스코드 로그인 → 계정 페이지에 관리자 버튼', async () => {
    await a.goto(ORIGIN + '/me');
    await a.getByRole('link', { name: '디스코드로 로그인' }).click();
    await a.waitForURL(`${ORIGIN}/me`);
    await a.getByRole('button', { name: /관리자 페이지 \(슈퍼어드민\)/ }).click();
    await a.getByText('지금 접속').waitFor();
    await a.screenshot({ path: join(SHOTS, 'admin-1-dashboard.png') });
  });

  await step('게임 설정: 오목 렌주룰 고정 + 한 수 45초 저장', async () => {
    await a.locator('.admin-side').getByRole('link', { name: '게임', exact: true }).click();
    await a.getByRole('button', { name: /오목/ }).click();
    await a.getByText('기본 규칙').waitFor();
    const rule = a.locator('div.stack:has(> div.row > strong:text-is("규칙"))').first();
    await rule.locator('select').selectOption('renju');
    await rule.getByLabel(/방장 변경 금지/).check();
    const per = a.locator('div.stack:has(> div.row > strong:text-is("한 수 제한(초)"))').first();
    await per.locator('input[type=number]').fill('45');
    await a.screenshot({ path: join(SHOTS, 'admin-2-game-editor.png') });
    await a.getByRole('button', { name: '저장', exact: true }).click();
    await a.getByText('저장했어요.').waitFor();
  });

  await step('관리자 탭: 디스코드 ID로 어드민 추가', async () => {
    await a.locator('.admin-side').getByRole('link', { name: '관리자', exact: true }).click();
    await a.getByLabel('디스코드 ID(숫자)').fill('222222222222222222');
    await a.getByLabel('메모(선택)').fill('친구');
    await a.getByRole('button', { name: '추가', exact: true }).click();
    await a.getByText('222222222222222222 · 친구').waitFor();
    await a.screenshot({ path: join(SHOTS, 'admin-3-admins.png') });
  });

  await step('기록 탭에 변경 내역', async () => {
    await a.locator('.admin-side').getByRole('link', { name: '기록', exact: true }).click();
    await a.getByText('어드민 추가').waitFor();
    await a.getByText('게임 설정 변경').waitFor();
  });

  await step('게스트의 새 오목 방: 렌주룰 · 45초 + 잠금 안내', async () => {
    const g = await (await browser.newContext({ viewport: { width: 390, height: 844 }, locale: 'ko-KR' })).newPage();
    g.on('pageerror', (e) => errors.push(e.message));
    await g.goto(ORIGIN + '/');
    await g.getByRole('button', { name: '＋ 방 만들기' }).click();
    await g.getByLabel('내 이름(닉네임)').fill('손님');
    await g.getByRole('button', { name: '이 이름으로 시작하기' }).click();
    await g.waitForURL(/\/r\/\d{6}$/);
    await g.getByText('렌주룰 · 15줄 · 한 수 45초').waitFor();
    await g.getByText('일부 규칙은 관리자가 정해 두어서').waitFor();
    // Trying to switch to 한국식 is overridden by the server.
    await g.getByRole('button', { name: '설정 바꾸기' }).click();
    await g.getByRole('button', { name: '한국식(쌍삼 금지)' }).click();
    await g.getByRole('button', { name: '저장' }).click();
    await g.waitForTimeout(300);
    await g.getByText('렌주룰 · 15줄 · 한 수 45초').waitFor();
    await g.goto(ORIGIN + '/admin');
    await g.getByText('권한이 없어요').waitFor();
  });

  if (errors.length) throw new Error(`page errors: ${errors.join(' | ')}`);
} catch (e) {
  failed = true;
  console.error(e);
} finally {
  await browser.close();
  await app.stop();
}
console.log(failed ? 'E2E FAILED' : 'E2E PASSED');
process.exit(failed ? 1 : 0);