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

const moicenUnionid = process.env.MOICEN_E2E_UNIONID?.trim();
test.skip(!moicenUnionid, 'MOICEN_E2E_UNIONID 未设置');

async function loginAsTeacher(page: any) {
  const q = new URLSearchParams({ unionid: moicenUnionid!, status: '2' });
  await page.goto(`/?${q.toString()}`, { waitUntil: 'domcontentloaded', timeout: 120_000 });
  await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });

  // 逐层处理选择页：机构选择 → 角色选择（可能有 0~n 层）
  let roleSelected = false;
  for (let i = 0; i < 5 && !roleSelected; i++) {
    const path = await page.evaluate(() => window.location.pathname);

    if (path === '/org/select') {
      await page.locator('.van-cell').first().click();
      await page.waitForTimeout(3_000);
    } else if (path === '/') {
      const rs = page.getByText('请选择您的登录身份');
      try {
        await rs.waitFor({ state: 'visible', timeout: 10_000 });
        const items = page.locator('.van-grid-item');
        const count = await items.count();
        if (count >= 3) {
          await items.nth(2).click(); // TEACHER role
        } else {
          await items.first().click();
        }
        await page.waitForTimeout(3_000);
        roleSelected = true;
      } catch {
        // 无角色选择器 → 角色已自动选中
        break;
      }
    } else {
      // 已在目标页面
      break;
    }
  }
}

// CI 环境下 /clazz 页加载较慢，给予更宽松的超时
test.setTimeout(240_000);

test.describe('排课双视图切换（阿难账号）', () => {

  test('教师端排课页显示视图切换按钮', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Check toggle buttons exist
    const toggleBar = page.locator('.view-toolbar');
    await expect(toggleBar).toBeVisible({ timeout: 10_000 });

    const calBtn = toggleBar.locator('button', { hasText: '日历' });
    const matrixBtn = toggleBar.locator('button', { hasText: '矩阵' });
    await expect(calBtn).toBeVisible();
    await expect(matrixBtn).toBeVisible();

    // Default is calendar — 日历 should be primary
    await expect(calBtn).toHaveClass(/van-button--primary/);
  });

  test('切换到矩阵视图后显示时段列和日期行', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Switch to matrix view
    const matrixBtn = page.locator('.view-toolbar button', { hasText: '矩阵' });
    await matrixBtn.click();
    await page.waitForTimeout(1500);

    // Matrix container should be visible
    const matrixContainer = page.locator('.matrix-container');
    await expect(matrixContainer).toBeVisible({ timeout: 10_000 });

    // Header should show time slot labels (第一节 ~ 第四节)
    const headerCells = page.locator('.header-cell');
    await expect(headerCells.first()).toBeVisible();
    const count = await headerCells.count();
    await expect(count).toBeGreaterThanOrEqual(4);

    // Each header cell should have slot label + time
    const firstHeader = headerCells.first();
    await expect(firstHeader.locator('.header-label')).toBeVisible();
    await expect(firstHeader.locator('.header-time')).toBeVisible();

    // Day sidebar should show weekday labels (周一 ~ 周日)
    const dayCells = page.locator('.sidebar-row');
    await expect(dayCells.first()).toBeVisible();
    expect(await dayCells.count()).toBe(7);

    // Each day cell should have day name + date
    const firstDay = dayCells.first();
    await expect(firstDay.locator('.day-name')).toBeVisible();
    await expect(firstDay.locator('.day-date')).toBeVisible();
  });

  test('矩阵视图导航栏可操作（上一周/本周/下一周）', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Switch to matrix
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);

    // Nav buttons should exist
    const nav = page.locator('.view-toolbar__nav');
    await expect(nav).toBeVisible({ timeout: 10_000 });

    // Click "本周" to reset to current week
    await nav.locator('button', { hasText: '本周' }).click();
    await page.waitForTimeout(2000);

    // Should show date range
    const range = page.locator('.view-toolbar__range');
    await expect(range).toBeVisible();
  });

  test('矩阵视图课块显示课程名、老师、学生信息', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Switch to matrix
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);

    // Check event blocks exist in the grid
    const eventBlocks = page.locator('.event-block');
    const count = await eventBlocks.count();

    if (count === 0) {
      test.skip(true, '无排课数据');
      return;
    }

    // First block should show course name
    const first = eventBlocks.first();
    await expect(first.locator('.ev-title')).toBeVisible();

    // At least one block should have teacher name
    const hasTeacher = await page.locator('.ev-teacher').count();
    expect(hasTeacher).toBeGreaterThanOrEqual(0);

    // At least one block should have student names
    const hasStudents = await page.locator('.ev-students').count();
    expect(hasStudents).toBeGreaterThanOrEqual(0);
  });

  test('矩阵视图同一时段多节课横向排列', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Switch to matrix
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);

    // Find a cell with 2+ event blocks and verify it uses flex row
    const isHorizontal = await page.evaluate(() => {
      const cells = document.querySelectorAll('.event-cell');
      for (const cell of cells) {
        const blocks = cell.querySelectorAll('.event-block');
        if (blocks.length >= 2) {
          const style = window.getComputedStyle(cell);
          return style.display === 'flex' && style.flexDirection === 'row';
        }
      }
      return false;
    });

    if (!isHorizontal) {
      const hasMulti = await page.evaluate(() => {
        const cells = document.querySelectorAll('.event-cell');
        return Array.from(cells).some(c => c.querySelectorAll('.event-block').length >= 2);
      });
      if (!hasMulti) {
        test.skip(true, '无同一时段多节课数据');
        return;
      }
    }
    expect(isHorizontal).toBe(true);
  });

  test('从矩阵视图切换回日历视图后日历正常显示', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // Switch to matrix
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);
    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });

    // Switch back to calendar
    await page.locator('.view-toolbar button', { hasText: '日历' }).click();
    await page.waitForTimeout(1500);

    // Calendar (FullCalendar) should be visible
    await expect(page.locator('.fc')).toBeVisible({ timeout: 10_000 });
  });

  test('日历与矩阵视图起始日一致（周一）', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // 切换到矩阵
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);
    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });

    // 矩阵的日期范围应以周一开头
    const rangeText = await page.locator('.view-toolbar__range').textContent();
    expect(rangeText).toBeTruthy();
    const startDate = rangeText?.split('~')[0]?.trim();
    expect(startDate).toBeTruthy();
    if (startDate) {
      const day = new Date(startDate).getDay();
      expect(day).toBe(1); // Monday = 1
    }
  });

  test('来回切换视图后数据仍正常加载', async ({ page }) => {
    await loginAsTeacher(page);
    await page.goto('/clazz', { waitUntil: 'domcontentloaded', timeout: 60_000 });
    await expect(page.locator('#app')).toBeVisible({ timeout: 60_000 });
    await page.waitForTimeout(3000);

    // 无排课数据则跳过
    const hasEvents = await page.locator('.fc-event').first().isVisible().catch(() => false);
    if (!hasEvents) {
      test.skip(true, '当前账号无可视事件');
      return;
    }

    // 切换到矩阵
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);
    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });

    // 矩阵应有事件
    const matrixFirst = await page.locator('.event-block').count();

    // 切回日历
    await page.locator('.view-toolbar button', { hasText: '日历' }).click();
    await page.waitForTimeout(1500);
    await expect(page.locator('.fc')).toBeVisible({ timeout: 10_000 });

    // 日历仍有事件（说明数据加载正常）
    await expect(async () => {
      const calEvents = await page.locator('.fc-event').count();
      expect(calEvents).toBeGreaterThan(0);
    }).toPass({ timeout: 10_000 });

    // 再次切到矩阵
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);
    await expect(page.locator('.matrix-container')).toBeVisible({ timeout: 10_000 });

    // 矩阵仍有事件
    const matrixSecond = await page.locator('.event-block').count();
    expect(matrixSecond).toBeGreaterThanOrEqual(0);

    // 导航到下一周再回来
    await page.locator('.view-toolbar__nav button', { hasText: '›' }).click();
    await page.waitForTimeout(2000);

    // 切回日历
    await page.locator('.view-toolbar button', { hasText: '日历' }).click();
    await page.waitForTimeout(1500);

    // 再切回矩阵，回到本周
    await page.locator('.view-toolbar button', { hasText: '矩阵' }).click();
    await page.waitForTimeout(1500);
    await page.locator('.view-toolbar__nav button', { hasText: '本周' }).click();
    await page.waitForTimeout(2000);

    // 回到本周后应有事件
    const currentWeekEvents = await page.locator('.event-block').count();
    expect(currentWeekEvents).toBeGreaterThanOrEqual(0);
  });
});