import { expect, test } from './fixtures';

const moicenUnionid = process.env.MOICEN_E2E_UNIONID?.trim();

test.describe('学生老师切换', () => {

  async function loginAsStudent(page: import('@playwright/test').Page) {
    const q = new URLSearchParams({ unionid: moicenUnionid!, status: '2' });
    await page.goto(`/?${q.toString()}`, {
      waitUntil: 'domcontentloaded',
      timeout: 60_000,
    });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    // Wait for SPA to settle and login/role resolution to complete
    await page.waitForTimeout(5000);

    // Pick STUDENT role explicitly
    const roleSelect = page.getByText('请选择您的登录身份');
    if (await roleSelect.isVisible().catch(() => false)) {
      const studentRole = page.locator('.van-grid-item').filter({ hasText: '学生' });
      if (await studentRole.isVisible().catch(() => false)) {
        await studentRole.click();
        await page.waitForTimeout(5000);
      }
    }

    // Handle org select if needed
    if (page.url().includes('/org/select')) {
      const guest = page.getByText('请返回微信小程序完成登录');
      if (await guest.isVisible().catch(() => false)) {
        test.skip(true, '会话不可用');
        return;
      }
      const orgCells = page.locator('#app .van-cell-group .van-cell');
      const n = await orgCells.count();
      expect(n).toBeGreaterThan(0);
      await orgCells.first().click();
      await page.waitForTimeout(5000);
      await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });

      if (await guest.isVisible().catch(() => false)) {
        test.skip(true, 'org switch 后会话不可用');
        return;
      }

      await page.goto('/student/profile', {
        waitUntil: 'domcontentloaded',
        timeout: 60_000,
      });
      await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    }

    // Ensure we're on a student page
    const currentPath = new URL(page.url()).pathname;
    if (!currentPath.startsWith('/student/')) {
      await page.goto('/student/profile', {
        waitUntil: 'domcontentloaded',
        timeout: 60_000,
      });
      await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    }

    // Skip if session lost
    if (
      await page
        .getByText('请返回微信小程序完成登录')
        .isVisible()
        .catch(() => false)
    ) {
      test.skip(true, '无法以学生身份访问 profile');
      return;
    }
  }

  test('profile 页显示当前老师且可切换', async ({ page }) => {
    test.setTimeout(180_000);

    await loginAsStudent(page);

    // Navigate to student profile
    await page.goto('/student/profile', {
      waitUntil: 'domcontentloaded',
      timeout: 60_000,
    });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Find the teacher section
    const teacherSection = page.locator('.current-teacher');
    const teacherVisible = await teacherSection
      .isVisible()
      .catch(() => false);

    if (!teacherVisible) {
      const profileHeader = page.locator('.info');
      const profileVisible = await profileHeader.isVisible().catch(() => false);
      if (!profileVisible) {
        test.skip(true, '未到 profile 页');
        return;
      }
      test.skip(true, '学生角色无老师信息');
      return;
    }

    const teacherText = await teacherSection.locator('span').first().textContent();
    expect(teacherText).toContain('当前老师');

    // Check switch button
    const switchBtn = teacherSection.locator('.van-button');
    await expect(switchBtn).toBeVisible({ timeout: 10_000 });

    // Click switch and verify teacher list
    await switchBtn.click();
    await page.waitForTimeout(2000);

    const teacherCells = page.locator('.van-cell');
    const teacherCount = await teacherCells.count();
    expect(teacherCount).toBeGreaterThan(0);

    if (teacherCount > 1) {
      await teacherCells.nth(1).click();
      await page.waitForTimeout(1500);

      const updatedSection = page.locator('.current-teacher');
      await expect(updatedSection).toBeVisible({ timeout: 15_000 });
      const newText = await updatedSection.locator('span').first().textContent();
      expect(newText).not.toContain('未选择老师');
    }
  });

  test('「我的老师」列表显示本机构老师', async ({ page }) => {
    test.setTimeout(180_000);

    await loginAsStudent(page);

    // Navigate to my teachers page
    await page.goto('/student/teachers', {
      waitUntil: 'domcontentloaded',
      timeout: 60_000,
    });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    if (
      await page
        .getByText('请返回微信小程序完成登录')
        .isVisible()
        .catch(() => false)
    ) {
      test.skip(true, '会话已过期');
      return;
    }

    const teacherCells = page.locator('.van-cell');
    const teacherCount = await teacherCells.count();
    expect(teacherCount).toBeGreaterThan(0);
  });
});