/**
 * Holdem — 复现用户报告问题的 E2E（联机，真实 UI + server + engine）：
 *
 * 1. All-in 后没有摊牌比大小 / 亮牌
 * 2. 补码（rebuy）牌局结束后无法点击、房主无法重置
 *
 * 场景：2 人房，起始筹码 30（盲注 10/20），一手 all-in 打到一方破产。
 */
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 = `hk${suffix}${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.describe('Holdem — all-in + 破产复现', () => {
  test('all-in 摊牌 → 亮牌可见 → 破产者补码 → 房主重置 → 再开局', async ({ browser }) => {
    const auth0 = await authUser('p0');
    const auth1 = await authUser('p1');
    const p0 = await newSeat(browser, '0', auth0);
    const p1 = await newSeat(browser, '1', auth1);

    // P0 创建 2 座房间，起始筹码 30
    await p0.page.getByTestId('lobby-create-seats').selectOption('2');
    await p0.page.getByTestId('lobby-create-startingStack').fill('30');
    await p0.page.getByTestId('lobby-create-room').click();
    await expect(p0.page.getByTestId('holdem-board')).toBeVisible({ timeout: 15_000 });

    // 读 P0 "在房间" 显示的 matchID（避免误加入上一轮遗留的旧房间）
    const roomText = await p0.page.getByTestId('lobby-current-room').innerText();
    const mid = roomText.match(/在房间\s+(\S+)\s+作为/)?.[1] ?? '';

    // P1 加入 P0 那个房间
    await expect(async () => {
      await p1.page.getByTestId('lobby-refresh').click();
      const joinBtn = p1.page.getByTestId(`lobby-join-1-${mid}`);
      expect(await joinBtn.count()).toBeGreaterThan(0);
    }).toPass({ timeout: 15_000 });
    await p1.page.getByTestId(`lobby-join-1-${mid}`).click();
    await expect(p1.page.getByTestId('holdem-board')).toBeVisible({ timeout: 15_000 });

    // 等双方就座 + 开始按钮可用，然后开始
    await expect(async () => {
      const startBtn = p0.page.getByTestId('holdem-start');
      await expect(startBtn).toBeEnabled({ timeout: 2_000 });
      await startBtn.click();
    }).toPass({ timeout: 20_000 });

    // heads-up: 按钮=SB 先行动。等行动条出现。
    await expect(async () => {
      const b0 = p0.page.getByTestId('holdem-btn-allin');
      const b1 = p1.page.getByTestId('holdem-btn-allin');
      expect(await b0.count() + await b1.count()).toBeGreaterThan(0);
    }).toPass({ timeout: 15_000 });

    // 谁有全下按钮谁全下（SB 先手）
    const p0HasBtn = await p0.page.getByTestId('holdem-btn-allin').isVisible().catch(() => false);
    const raiser = p0HasBtn ? p0 : p1;
    const caller = p0HasBtn ? p1 : p0;
    await raiser.page.getByTestId('holdem-btn-allin').click();

    // 对方跟注
    await expect(async () => {
      const btn = caller.page.getByTestId('holdem-btn-call');
      if (await btn.isVisible({ timeout: 1_000 }).catch(() => false)) {
        await btn.click();
        return;
      }
      throw new Error('call button not visible yet');
    }).toPass({ timeout: 15_000 });

    // ===== 关键验证 1: 摊牌结果 =====
    // 等 board 出现 5 张公共牌 + 结果面板（两个客户端都要验证）
    for (const seat of [p0, p1]) {
      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 results = await seat.page.getByTestId('holdem-log').innerText();
        expect(results).toContain('赢得');
      }).toPass({ timeout: 15_000 });
      // 摊牌后 4 张底牌全部可见（亮牌）
      await expect(async () => {
        const holeCards = seat.page.locator('[data-testid^="holdem-hole-"]');
        expect(await holeCards.count()).toBe(4);
      }).toPass({ timeout: 5_000 });
    }

    // ===== 关键验证 2: 破产者补码 =====
    // 一方筹码为 0（ bankrupt），等 waiting 阶段的补码按钮出现
    const brokeSeat = (await p0.page.getByTestId('holdem-rebuy').isVisible().catch(() => false)) ? p0 : p1;
    await expect(brokeSeat.page.getByTestId('holdem-rebuy')).toBeVisible({ timeout: 15_000 });
    await brokeSeat.page.getByTestId('holdem-rebuy').click();

    // 补码后筹码应恢复 30
    await expect(async () => {
      const stackText = await brokeSeat.page
        .locator(`[data-testid="holdem-seat-${brokeSeat.pid}"]`)
        .innerText();
      expect(stackText).toContain('筹码 30');
    }).toPass({ timeout: 15_000 });

    // ===== 关键验证 3: 房主重置房间 =====
    await expect(p0.page.getByTestId('holdem-reset')).toBeVisible({ timeout: 5_000 });
    await p0.page.getByTestId('holdem-reset').click();
    await expect(async () => {
      const stack0 = await p0.page.getByTestId('holdem-seat-0').innerText();
      expect(stack0).toContain('筹码 30');
    }).toPass({ timeout: 15_000 });

    // ===== 关键验证 4: 重开后能开新一手 =====
    await expect(async () => {
      const startBtn = p0.page.getByTestId('holdem-start');
      await expect(startBtn).toBeEnabled({ timeout: 2_000 });
      await startBtn.click();
    }).toPass({ timeout: 20_000 });
    // 进入 preflop（出现行动者高亮）
    await expect(async () => {
      const a0 = await p0.page.locator('[data-actor="true"]').count();
      const a1 = await p1.page.locator('[data-actor="true"]').count();
      expect(a0 + a1).toBeGreaterThan(0);
    }).toPass({ timeout: 15_000 });

    console.log('matchID:', mid);
  });
});