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

// 辅助：在对话框内定位输入框
function formInputs(page: import('@playwright/test').Page) {
  const dialog = page.locator('.t-dialog:visible');
  return {
    id: dialog.locator('input[placeholder="例如: openai"]'),
    name: dialog.locator('input[placeholder="例如: OpenAI"]'),
    apiKey: dialog.locator('input[type="password"]'),
    baseUrl: dialog.locator('input[placeholder="例如: https://api.openai.com/v1"]'),
    saveBtn: dialog.locator('.t-dialog__footer').getByRole('button', { name: '保存' }),
    cancelBtn: dialog.locator('.t-dialog__footer').getByRole('button', { name: '取消' }),
  };
}

// 辅助：在模型对话框内定位输入框
function modelFormInputs(page: import('@playwright/test').Page) {
  const dialog = page.locator('.t-dialog:visible');
  return {
    id: dialog.locator('input[placeholder="例如: gpt-4o"]').first(),
    modelName: dialog.locator('input[placeholder="例如: gpt-4o"]').nth(1),
    saveBtn: dialog.locator('.t-dialog__footer').getByRole('button', { name: '保存' }),
    cancelBtn: dialog.locator('.t-dialog__footer').getByRole('button', { name: '取消' }),
  };
}

test.describe('供应商和模型完整CRUD流程', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/providers');
    await expect(page.getByRole('heading', { name: '供应商管理' })).toBeVisible();
  });

  test('完整的供应商创建流程', async ({ page }) => {
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    const inputs = formInputs(page);
    const testId = `e2e-${Date.now()}`;
    await inputs.id.fill(testId);
    await inputs.name.fill('E2E Test Provider');
    await inputs.apiKey.fill('sk-e2e-test-key');
    await inputs.baseUrl.fill('https://api.e2e-test.com/v1');

    // 验证所有字段填写正确
    await expect(inputs.id).toHaveValue(testId);
    await expect(inputs.name).toHaveValue('E2E Test Provider');
    await expect(inputs.baseUrl).toHaveValue('https://api.e2e-test.com/v1');

    await inputs.saveBtn.click();
    // 注意：对话框关闭依赖后端 API 响应成功，此处仅验证提交按钮可点击
  });

  test('供应商创建后编辑流程', async ({ page }) => {
    const editBtns = page.locator('.t-table__body button:has-text("编辑")');
    const count = await editBtns.count();

    if (count > 0) {
      await editBtns.first().click();
      await expect(page.locator('.t-dialog:visible')).toBeVisible();

      const inputs = formInputs(page);
      await inputs.name.clear();
      await inputs.name.fill('Updated Provider Name');

      // 验证名称字段已更新
      await expect(inputs.name).toHaveValue('Updated Provider Name');

      await inputs.saveBtn.click();
      // 注意：对话框关闭依赖后端 API 响应成功，此处仅验证提交按钮可点击
    } else {
      test.skip();
    }
  });

  test('供应商删除流程', async ({ page }) => {
    const deleteBtns = page.locator('.t-table__body button:has-text("删除")');
    const count = await deleteBtns.count();

    if (count > 0) {
      await deleteBtns.first().click();
      await expect(page.getByText('确定要删除这个供应商吗？')).toBeVisible();

      // 点击确认（TDesign Popconfirm 确定按钮）
      await page.locator('.t-popconfirm').getByRole('button', { name: '确定' }).click();
      await expect(page.getByText('确定要删除这个供应商吗？')).not.toBeVisible({ timeout: 3000 });
    } else {
      test.skip();
    }
  });

  test('展开供应商并添加模型', async ({ page }) => {
    const expandBtns = page.locator('.t-table__expandable-icon');
    const expandCount = await expandBtns.count();

    if (expandCount > 0) {
      await expandBtns.first().click();
      await expect(page.locator('.t-table__expanded-row').first()).toBeVisible();

      const addModelBtn = page.locator('.t-table__expanded-row button:has-text("添加模型")');
      const addCount = await addModelBtn.count();

      if (addCount > 0) {
        await addModelBtn.first().click();
        const dialog = page.locator('.t-dialog');
        await expect(dialog).toBeVisible();
        await expect(dialog.getByText('添加模型')).toBeVisible();

        const modelInputs = modelFormInputs(page);
        await modelInputs.id.fill(`model-${Date.now()}`);
        await modelInputs.modelName.fill('gpt-4-turbo');

        await modelInputs.saveBtn.click();
        await expect(page.locator('.t-dialog')).not.toBeVisible({ timeout: 5000 });
      } else {
        test.skip();
      }
    } else {
      test.skip();
    }
  });

  test('编辑已有模型', async ({ page }) => {
    const expandBtns = page.locator('.t-table__expandable-icon');
    const expandCount = await expandBtns.count();

    if (expandCount > 0) {
      await expandBtns.first().click();
      await expect(page.locator('.t-table__expanded-row').first()).toBeVisible();

      const modelEditBtns = page.locator('.t-table__expanded-row button:has-text("编辑")');
      const editCount = await modelEditBtns.count();

      if (editCount > 0) {
        await modelEditBtns.first().click();
        const dialog = page.locator('.t-dialog');
        await expect(dialog).toBeVisible();
        await expect(dialog.getByText('编辑模型')).toBeVisible();

        // ID 字段应被禁用
        await expect(modelFormInputs(page).id).toBeDisabled();

        await modelFormInputs(page).cancelBtn.click();
      } else {
        test.skip();
      }
    } else {
      test.skip();
    }
  });
});

test.describe('错误处理和边界情况', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/providers');
    await expect(page.getByRole('heading', { name: '供应商管理' })).toBeVisible();
  });

  test('应显示必填字段验证', async ({ page }) => {
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    await formInputs(page).saveBtn.click();

    await expect(page.getByText('请输入供应商 ID')).toBeVisible();
    await expect(page.getByText('请输入名称')).toBeVisible();
    await expect(page.getByText('请输入 API Key')).toBeVisible();
    await expect(page.getByText('请输入 Base URL')).toBeVisible();
  });

  test('应验证URL格式', async ({ page }) => {
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    const inputs = formInputs(page);
    await inputs.id.fill('test-url');
    await inputs.name.fill('Test');
    await inputs.apiKey.fill('sk-test');
    await inputs.baseUrl.fill('not-a-url');

    await inputs.saveBtn.click();
    await expect(page.getByText('请输入有效的 URL')).toBeVisible();
  });

  test('超长输入处理', async ({ page }) => {
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    const inputs = formInputs(page);
    await inputs.id.fill('test-long');
    await inputs.name.fill('a'.repeat(500));
    await inputs.apiKey.fill('sk-test');
    await inputs.baseUrl.fill('https://api.test.com/v1');

    await inputs.saveBtn.click();
    // 等待 API 响应或验证错误
    await page.waitForTimeout(2000);
  });

  test('快速连续点击只打开一个对话框', async ({ page }) => {
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    expect(await page.locator('.t-dialog').count()).toBe(1);

    await formInputs(page).cancelBtn.click();
    await expect(page.locator('.t-dialog')).not.toBeVisible();
  });

  test('取消后表单应重置', async ({ page }) => {
    // 打开并填写表单
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    let inputs = formInputs(page);
    await inputs.id.fill('should-be-reset');
    await inputs.name.fill('Should Be Reset');

    await inputs.cancelBtn.click();
    await expect(page.locator('.t-dialog')).not.toBeVisible();

    // 重新打开
    await page.getByRole('button', { name: '添加供应商' }).click();
    await expect(page.locator('.t-dialog')).toBeVisible();

    // 验证表单已重置
    inputs = formInputs(page);
    await expect(inputs.id).toHaveValue('');
    await expect(inputs.name).toHaveValue('');
  });
});

test.describe('用量统计筛选功能', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/stats');
    await expect(page.getByRole('heading', { name: '用量统计' })).toBeVisible();
  });

  test('组合筛选条件', async ({ page }) => {
    await page.locator('.t-select').first().click();
    await page.waitForSelector('.t-select__dropdown', { timeout: 3000 });
    await page.keyboard.press('Escape');

    await page.getByPlaceholder('模型名称').fill('gpt-4');
    await expect(page.getByPlaceholder('模型名称')).toHaveValue('gpt-4');
  });

  test('清空筛选条件', async ({ page }) => {
    const modelInput = page.getByPlaceholder('模型名称');
    await modelInput.fill('gpt-4');
    await expect(modelInput).toHaveValue('gpt-4');

    await modelInput.clear();
    await expect(modelInput).toHaveValue('');
  });

  test('刷新页面后筛选状态丢失', async ({ page }) => {
    await page.getByPlaceholder('模型名称').fill('gpt-4');

    await page.reload();
    await expect(page.getByRole('heading', { name: '用量统计' })).toBeVisible();

    await expect(page.getByPlaceholder('模型名称')).toHaveValue('');
  });
});