import { test, expect } from '@playwright/test';

const mockSessionOngoing = {
  code: 200,
  data: {
    sessionNum: 'SESSION_001',
    sessionState: 'ONGOING',
    taskName: '学习 Vue3',
    taskNum: 'T001',
    startTime: '2026-05-30T10:00:00',
    endTime: null,
    lastStartTime: '2026-05-30T10:00:00',
    actualTime: 0,
    effectiveTime: 0,
    effectivenessRatio: '--',
    pointerPosition: 1500000,
    systemMessage: '',
  },
};

const mockSessionPaused = {
  code: 200,
  data: {
    ...mockSessionOngoing.data,
    sessionState: 'PAUSED',
    lastStartTime: '2026-05-30T10:05:00',
    actualTime: 300,
    effectiveTime: 300,
  },
};

const mockApiResponse = (code = 200, data: any = null, message = '请求成功') => ({
  code,
  message,
  data,
});

test.describe('StartTask - 暂停后继续', () => {
  test.beforeEach(async ({ page }) => {
    // 模拟登录
    await page.goto('/login');
    await page.evaluate(() => localStorage.setItem('isLoggedIn', 'true'));

    // mock startOrContinue API（初始加载返回 ONGOING 状态）
    await page.route('**/api/tasks/*/study-sessions/start-or-continue', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockSessionOngoing),
      }),
    );

    // mock fragments API
    await page.route('**/api/study-sessions/*/all-fragments', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse(200, [])),
      }),
    );

    // mock 学习预期（已存在，避免强制弹窗阻塞流程）
    await page.route('**/api/study-sessions/*/expectation', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse(200, { sessionNum: 'SESSION_001', description: '测试预期' })),
      }),
    );

    // mock 报告草稿
    await page.route('**/api/study-sessions/*/report-draft', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse(200, '')),
      }),
    );
  });

  test('暂停后点击开始，应触发 continue API', async ({ page }) => {
    // 记录 API 调用
    const apiCalls: string[] = [];

    // mock pause API
    await page.route('**/api/study-sessions/SESSION_001/study-sessions/pause', (route) => {
      apiCalls.push('pause');
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse()),
      });
    });

    // mock continue API
    await page.route('**/api/study-sessions/SESSION_001/study-sessions/continue', (route) => {
      apiCalls.push('continue');
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse()),
      });
    });

    // 进入 start-task 页面
    await page.goto('/start-task/T001');
    await page.waitForSelector('.start-page', { timeout: 10_000 });

    // 等待计时器启动
    await expect(page.locator('.status-text')).toContainText('进行中');

    // 点击暂停按钮
    await page.locator('button', { hasText: '暂停' }).click();

    // 验证暂停 API 被调用
    expect(apiCalls).toContain('pause');

    // 验证状态变为已暂停
    await expect(page.locator('.status-text')).toContainText('已暂停');

    // 点击开始按钮
    await page.locator('button', { hasText: '开始' }).click();

    // 验证 continue API 被调用
    expect(apiCalls).toContain('continue');

    // 验证状态恢复为进行中
    await expect(page.locator('.status-text')).toContainText('进行中');
  });

  test('暂停后点击开始，不暂停时开始不应触发 continue API', async ({ page }) => {
    const apiCalls: string[] = [];

    await page.route('**/api/study-sessions/SESSION_001/study-sessions/pause', (route) => {
      apiCalls.push('pause');
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse()),
      });
    });

    await page.route('**/api/study-sessions/SESSION_001/study-sessions/continue', (route) => {
      apiCalls.push('continue');
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse()),
      });
    });

    await page.goto('/start-task/T001');
    await page.waitForSelector('.start-page', { timeout: 10_000 });
    await expect(page.locator('.status-text')).toContainText('进行中');

    // ONGOING 状态下，开始按钮是 disabled 的，不应触发 continue
    const startBtn = page.locator('button', { hasText: '开始' });
    await expect(startBtn).toBeDisabled();

    // continue API 不应被调用
    expect(apiCalls).not.toContain('continue');
  });

  test('暂停后结束会话，应正确调用 ended API 并展示提示', async ({ page }) => {
    await page.route('**/api/study-sessions/SESSION_001/study-sessions/pause', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse()),
      }),
    );

    await page.route('**/api/study-sessions/SESSION_001/study-sessions/ended', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(mockApiResponse(200, null, '本次有效学习时间不足10分钟，不计入总学习时间')),
      }),
    );

    await page.goto('/start-task/T001');
    await page.waitForSelector('.start-page', { timeout: 10_000 });

    // 暂停
    await page.locator('button', { hasText: '暂停' }).click();
    await expect(page.locator('.status-text')).toContainText('已暂停');

    // 结束会话
    await page.locator('button', { hasText: '结束会话' }).click();

    // 在弹窗中输入总结内容
    await page.locator('.el-dialog textarea').fill('测试总结');
    await page.locator('.el-dialog button', { hasText: '确认结束' }).click();

    // 应看到 warning 提示（有效时间不足）
    await expect(page.locator('.el-message--warning')).toBeVisible({ timeout: 5000 });
  });
});