/**
 * Holdem — 3 人 all-in 摊牌 E2E（联机，真实 UI + server + engine）。
 * 多人 all-in 之后：公共牌应发完、亮牌、显示比大小结果。
 */
import { test, expect, type Browser, type Page, type BrowserContext } from '@playwright/test';

interface Seat {
  ctx: BrowserContext;
  page: Page;
  pid: string;
}

async function authUser(suffix: string): Promise<{ token: string; username: string }> {
  const uname = `hj${suffix}${Math.floor(Math.random() * 1e6)}`.slice(0, 18);
  const pwd = 'pw123456';
  const base = process.env.TTS_API_BASE ?? 'http://localhost:8000';
  const reg = await fetch(`${base}/api/auth/register`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ username: uname, password: pwd }),
  });
  if (reg.ok) {
    const j = (await reg.json()) as { token: string; username: string };
    return { token: j.token, username: j.username };
  }
  const login = await fetch(`${base}/api/auth/login`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ username: uname, password: pwd }),
  });
  const j = (await login.json()) as { token: string; username: string };
  return { token: j.token, username: j.username };
}

async function newSeat(browser: Browser, pid: string, auth: { token: string; username: string }): Promise<Seat> {
  const ctx = await browser.newContext();
  const page = await ctx.newPage();
  await page.addInitScript(
    ([token, username]) => {
      localStorage.setItem('tts-like.token', token);
      localStorage.setItem('tts-like.username', username);
    },
    [auth.token, auth.username] as [string, string],
  );
  await page.goto('/');
  await page.getByTestId('game-select').selectOption('holdem');
  await page.getByTestId('mode-online').click();
  await expect(page.getByTestId('lobby-room-list')).toBeVisible({ timeout: 15_000 });
  return { ctx, page, pid };
}

test('3人 all-in → 三个客户端都看到完整公共牌 + 亮牌 + 结果', async ({ browser }) => {
  const auths = [await authUser('a'), await authUser('b'), await authUser('c')];
  const seats = [
    await newSeat(browser, '0', auths[0]!),
    await newSeat(browser, '1', auths[1]!),
    await newSeat(browser, '2', auths[2]!),
  ];

  // P0 创建 3 座房间，起始筹码 100
  await seats[0]!.page.getByTestId('lobby-create-seats').selectOption('3');
  await seats[0]!.page.getByTestId('lobby-create-startingStack').fill('100');
  await seats[0]!.page.getByTestId('lobby-create-room').click();
  await expect(seats[0]!.page.getByTestId('holdem-board')).toBeVisible({ timeout: 15_000 });

  // 读 P0 "在房间" 显示的 matchID（避免误加入旧房间）
  const roomText = await seats[0]!.page.getByTestId('lobby-current-room').innerText();
  const mid = roomText.match(/在房间\s+(\S+)\s+作为/)?.[1] ?? '';

  // P1 / P2 加入 P0 的房间
  for (const seat of seats.slice(1)) {
    await expect(async () => {
      await seat.page.getByTestId('lobby-refresh').click();
      const joinBtn = seat.page.getByTestId(`lobby-join-${seat.pid}-${mid}`);
      expect(await joinBtn.count()).toBeGreaterThan(0);
    }).toPass({ timeout: 15_000 });
    await seat.page.getByTestId(`lobby-join-${seat.pid}-${mid}`).click();
    await expect(seat.page.getByTestId('holdem-board')).toBeVisible({ timeout: 15_000 });
  }

  // 开始
  await expect(async () => {
    const startBtn = seats[0]!.page.getByTestId('holdem-start');
    await expect(startBtn).toBeEnabled({ timeout: 2_000 });
    await startBtn.click();
  }).toPass({ timeout: 20_000 });

  // button=0, SB=1, BB=2, UTG=0。等 P0 的行动条。
  await expect(seats[0]!.page.getByTestId('holdem-btn-allin')).toBeVisible({ timeout: 15_000 });
  await seats[0]!.page.getByTestId('holdem-btn-allin').click(); // P0 全下 100

  // P1 call 全下
  await expect(seats[1]!.page.getByTestId('holdem-btn-call')).toBeVisible({ timeout: 15_000 });
  await seats[1]!.page.getByTestId('holdem-btn-call').click();

  // P2 call 全下
  await expect(seats[2]!.page.getByTestId('holdem-btn-call')).toBeVisible({ timeout: 15_000 });
  await seats[2]!.page.getByTestId('holdem-btn-call').click();

  // 三个客户端都应看到：5 张公共牌 + 6 张亮出的底牌 + 日志含"赢得"
  for (const seat of seats) {
    await expect(async () => {
      const cards = seat.page.locator('[data-testid^="holdem-board-card-"]');
      expect(await cards.count()).toBe(5);
    }).toPass({ timeout: 15_000 });
    await expect(async () => {
      const holes = seat.page.locator('[data-testid^="holdem-hole-"]');
      expect(await holes.count()).toBe(6);
    }).toPass({ timeout: 5_000 });
    await expect(async () => {
      const log = await seat.page.getByTestId('holdem-log').innerText();
      expect(log).toContain('赢得');
    }).toPass({ timeout: 5_000 });
  }
  console.log('matchID:', mid);
});