/**
 * @vitest-environment node
 *
 * Select 工具函数单元测试
 *
 * 测试策略：
 * - 使用 vi.fn() 和 vi.mocked() 模拟 Playwright Page 对象
 * - 测试函数内部逻辑而非真实浏览器交互
 * - 验证选择器策略优先级（data-testid → aria-label → text）
 * - 验证错误处理和 E2ETestError 上下文完整性
 */

import { describe, it, expect, vi, beforeEach } from 'vitest';
import type { Page } from '@playwright/test';
// 从主导出点导入，验证 index.ts 导出配置正确
import {
  selectRadixOption,
  selectRadixOptionAsync,
  E2ETestError,
  DEFAULT_TIMEOUTS,
  throwError,
  type AsyncSelectOptions,
  type BaseOptions,
  type ErrorContext
} from '@d8d/e2e-test-utils';

describe('selectRadixOption - 静态 Select 工具', () => {
  let mockPage: Page;

  beforeEach(() => {
    mockPage = {
      waitForSelector: vi.fn(),
      locator: vi.fn(),
      click: vi.fn(),
      waitForLoadState: vi.fn(),
      waitForTimeout: vi.fn(),
    } as unknown as Page;
  });

  describe('成功选择场景 - data-testid 策略（第一优先级）', () => {
    it('应该使用 data-testid 策略成功选择选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let callCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation(() => {
        callCount++;
        if (callCount === 1) return Promise.resolve(mockTrigger as any);
        if (callCount === 2) return Promise.resolve({} as any);
        if (callCount === 3) return Promise.resolve(mockOption as any);
        return Promise.reject(new Error('Not found'));
      });

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['视力残疾', '听力残疾']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOption(mockPage, '残疾类型', '视力残疾');

      expect(mockTrigger.click).toHaveBeenCalled();
      expect(mockOption.click).toHaveBeenCalled();
    });
  });

  describe('成功选择场景 - aria-label 策略（第二优先级）', () => {
    it('应该在 data-testid 失败后使用 aria-label 策略', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let callCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation(() => {
        callCount++;
        if (callCount === 1) return Promise.reject(new Error('data-testid failed'));
        if (callCount === 2) return Promise.resolve(mockTrigger as any);
        if (callCount === 3) return Promise.resolve({} as any);
        if (callCount === 4) return Promise.resolve(mockOption as any);
        return Promise.reject(new Error('Not found'));
      });

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['视力残疾']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOption(mockPage, '残疾类型', '视力残疾');

      expect(mockTrigger.click).toHaveBeenCalled();
      expect(mockOption.click).toHaveBeenCalled();
    });
  });

  describe('成功选择场景 - text 策略（第三优先级/兜底）', () => {
    it('应该在前两个策略都失败后使用 text 策略', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let callCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation(() => {
        callCount++;
        if (callCount <= 2) return Promise.reject(new Error('Strategy failed'));
        if (callCount === 3) return Promise.resolve(mockTrigger as any);
        if (callCount === 4) return Promise.resolve({} as any);
        if (callCount === 5) return Promise.resolve(mockOption as any);
        return Promise.reject(new Error('Not found'));
      });

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['视力残疾']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOption(mockPage, '残疾类型', '视力残疾');

      expect(mockTrigger.click).toHaveBeenCalled();
      expect(mockOption.click).toHaveBeenCalled();
    });
  });

  describe('错误处理 - 触发器未找到', () => {
    it('应该在所有策略失败时抛出 E2ETestError', async () => {
      vi.mocked(mockPage.waitForSelector).mockRejectedValue(new Error('Not found'));

      await expect(
        selectRadixOption(mockPage, '残疾类型', '视力残疾')
      ).rejects.toThrow(E2ETestError);
    });

    it('错误应该包含完整的上下文信息', async () => {
      vi.mocked(mockPage.waitForSelector).mockRejectedValue(new Error('Not found'));

      try {
        await selectRadixOption(mockPage, '残疾类型', '视力残疾');
        expect.fail('应该抛出错误');
      } catch (error) {
        expect(error).toBeInstanceOf(E2ETestError);
        const e2eError = error as E2ETestError;
        expect(e2eError.context.operation).toBe('selectRadixOption');
        expect(e2eError.context.target).toBe('残疾类型');
        expect(e2eError.context.expected).toBe('视力残疾');
        expect(e2eError.message).toContain('selectRadixOption failed');
        expect(e2eError.message).toContain('💡');
        // 验证 suggestion 字段存在
        expect(e2eError.context.suggestion).toBeDefined();
        expect(typeof e2eError.context.suggestion).toBe('string');
      }
    });
  });

  describe('错误处理 - 选项未找到', () => {
    it('应该在选项不存在时抛出 E2ETestError', async () => {
      const mockTrigger = { click: vi.fn() };
      vi.mocked(mockPage.waitForSelector)
        .mockResolvedValueOnce(mockTrigger as any)
        .mockResolvedValueOnce({} as any)
        .mockRejectedValue(new Error('Option not found'));

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['听力残疾', '肢体残疾']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await expect(
        selectRadixOption(mockPage, '残疾类型', '视力残疾')
      ).rejects.toThrow(E2ETestError);
    });

    it('选项错误应该包含可用选项列表', async () => {
      const mockTrigger = { click: vi.fn() };
      const availableOptions = ['听力残疾', '言语残疾', '肢体残疾'];

      vi.mocked(mockPage.waitForSelector)
        .mockResolvedValueOnce(mockTrigger as any)
        .mockResolvedValueOnce({} as any)
        .mockRejectedValue(new Error('Option not found'));

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(availableOptions),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      try {
        await selectRadixOption(mockPage, '残疾类型', '视力残疾');
        expect.fail('应该抛出错误');
      } catch (error) {
        expect(error).toBeInstanceOf(E2ETestError);
        const e2eError = error as E2ETestError;
        expect(e2eError.context.available).toEqual(availableOptions);
        expect(e2eError.message).toContain('Available:');
      }
    });
  });
});

describe('主导出验证 (index.ts)', () => {
  it('应该正确导出 selectRadixOption 函数', () => {
    expect(selectRadixOption).toBeDefined();
    expect(typeof selectRadixOption).toBe('function');
  });

  it('应该正确导出 selectRadixOptionAsync 函数', () => {
    expect(selectRadixOptionAsync).toBeDefined();
    expect(typeof selectRadixOptionAsync).toBe('function');
  });

  it('应该正确导出 E2ETestError 错误类', () => {
    expect(E2ETestError).toBeDefined();
    expect(typeof E2ETestError).toBe('function');

    // 验证可以实例化
    const error = new E2ETestError({
      operation: 'test',
      target: 'test-target',
      suggestion: 'test-suggestion'
    });
    expect(error).toBeInstanceOf(E2ETestError);
    expect(error.context.operation).toBe('test');
  });

  it('应该正确导出 DEFAULT_TIMEOUTS 常量', () => {
    expect(DEFAULT_TIMEOUTS).toBeDefined();
    expect(typeof DEFAULT_TIMEOUTS).toBe('object');
    expect(DEFAULT_TIMEOUTS.static).toBe(2000);
    expect(DEFAULT_TIMEOUTS.async).toBe(5000);
    expect(DEFAULT_TIMEOUTS.networkIdle).toBe(10000);
  });

  it('应该正确导出 throwError 辅助函数', () => {
    expect(throwError).toBeDefined();
    expect(typeof throwError).toBe('function');

    // 验证函数抛出 E2ETestError
    expect(() => {
      throwError({
        operation: 'test',
        target: 'test-target'
      });
    }).toThrow(E2ETestError);
  });

  it('应该正确导出 AsyncSelectOptions 类型', () => {
    const options: AsyncSelectOptions = {
      timeout: 8000,
      waitForNetworkIdle: false
    };
    expect(options).toBeDefined();
  });

  it('应该正确导出 BaseOptions 类型', () => {
    const options: BaseOptions = {
      timeout: 5000
    };
    expect(options).toBeDefined();
  });

  it('应该正确导出 ErrorContext 类型', () => {
    const context: ErrorContext = {
      operation: 'test',
      target: 'test-target',
      suggestion: 'test-suggestion'
    };
    expect(context).toBeDefined();
  });
});

describe('selectRadixOptionAsync - 异步 Select 工具', () => {
  let mockPage: Page;

  beforeEach(() => {
    mockPage = {
      waitForSelector: vi.fn(),
      locator: vi.fn(),
      click: vi.fn(),
      waitForLoadState: vi.fn(),
      waitForTimeout: vi.fn(),
    } as unknown as Page;
  });

  describe('默认配置成功选择', () => {
    it('应该使用默认配置成功选择选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let callCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation(() => {
        callCount++;
        if (callCount === 1) return Promise.resolve(mockTrigger as any);
        if (callCount === 2) return Promise.resolve({} as any);
        if (callCount === 3) return Promise.resolve(mockOption as any);
        return Promise.reject(new Error('Not found'));
      });

      // Mock waitForLoadState (networkidle)
      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1', '选项2']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOptionAsync(mockPage, '测试下拉', '选项1');

      expect(mockTrigger.click).toHaveBeenCalled();
      expect(mockPage.waitForLoadState).toHaveBeenCalledWith('networkidle', {
        timeout: DEFAULT_TIMEOUTS.async,
      });
      expect(mockOption.click).toHaveBeenCalled();
    });
  });

  describe('自定义超时配置', () => {
    it('应该支持自定义 timeout 选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };
      const customTimeout = 8000;

      let callCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation((_selector: string, _options?: any) => {
        callCount++;
        if (callCount <= 2) return Promise.resolve(mockTrigger as any);
        if (callCount === 3) return Promise.resolve({} as any);
        if (callCount === 4) return Promise.resolve(mockOption as any);
        return Promise.reject(new Error('Not found'));
      });

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOptionAsync(mockPage, '测试下拉', '选项1', { timeout: customTimeout });

      expect(mockPage.waitForLoadState).toHaveBeenCalledWith('networkidle', {
        timeout: customTimeout,
      });
    });
  });

  describe('禁用网络空闲等待', () => {
    it('应该支持 waitForNetworkIdle: false 选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      vi.mocked(mockPage.waitForSelector)
        .mockResolvedValueOnce(mockTrigger as any)
        .mockResolvedValueOnce({} as any)
        .mockResolvedValueOnce(mockOption as any);

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOptionAsync(mockPage, '测试下拉', '选项1', { waitForNetworkIdle: false });

      // 不应该调用 waitForLoadState
      expect(mockPage.waitForLoadState).not.toHaveBeenCalled();
      expect(mockOption.click).toHaveBeenCalled();
    });
  });

  describe('异步选项加载超时处理', () => {
    it('应该在选项加载超时时抛出 E2ETestError', async () => {
      const mockTrigger = { click: vi.fn() };

      vi.mocked(mockPage.waitForSelector)
        .mockResolvedValueOnce(mockTrigger as any) // 触发器
        .mockResolvedValueOnce({} as any) // listbox
        .mockRejectedValue(new Error('Timeout waiting for option')); // 选项超时

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await expect(
        selectRadixOptionAsync(mockPage, '测试下拉', '选项2')
      ).rejects.toThrow(E2ETestError);
    });

    it('超时错误应该包含重试建议', async () => {
      const mockTrigger = { click: vi.fn() };

      vi.mocked(mockPage.waitForSelector)
        .mockResolvedValueOnce(mockTrigger as any)
        .mockResolvedValueOnce({} as any)
        .mockRejectedValue(new Error('Timeout'));

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      try {
        await selectRadixOptionAsync(mockPage, '测试下拉', '选项2');
        expect.fail('应该抛出错误');
      } catch (error) {
        expect(error).toBeInstanceOf(E2ETestError);
        const e2eError = error as E2ETestError;
        expect(e2eError.context.operation).toBe('selectRadixOptionAsync');
        expect(e2eError.message).toContain('💡');
      }
    });
  });

  describe('触发器未找到错误', () => {
    it('应该在触发器未找到时抛出 E2ETestError', async () => {
      vi.mocked(mockPage.waitForSelector).mockRejectedValue(new Error('Trigger not found'));

      await expect(
        selectRadixOptionAsync(mockPage, '测试下拉', '选项1')
      ).rejects.toThrow(E2ETestError);
    });
  });

  describe('选项查找策略验证', () => {
    it('应该优先使用 data-value 策略查找选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let lastSelector = '';
      vi.mocked(mockPage.waitForSelector).mockImplementation((selector: string) => {
        lastSelector = selector;
        if (selector.includes('trigger') || selector.includes('label')) {
          return Promise.resolve(mockTrigger as any);
        }
        if (selector.includes('listbox')) {
          return Promise.resolve({} as any);
        }
        if (selector.includes('data-value')) {
          return Promise.resolve(mockOption as any);
        }
        return Promise.reject(new Error('Not found'));
      });

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      await selectRadixOptionAsync(mockPage, '测试下拉', '选项1');

      // 应该使用 data-value 策略
      expect(lastSelector).toContain('[data-value=');
    });
  });

  describe('重试机制验证', () => {
    it('应该在第一次失败后重试并成功选择选项', async () => {
      const mockTrigger = { click: vi.fn() };
      const mockOption = { click: vi.fn() };

      let attemptCount = 0;
      vi.mocked(mockPage.waitForSelector).mockImplementation((selector: string) => {
        // 触发器和 listbox 直接返回
        if (selector.includes('trigger') || selector.includes('label') || selector.includes('listbox')) {
          if (selector.includes('trigger') || selector.includes('label')) {
            return Promise.resolve(mockTrigger as any);
          }
          return Promise.resolve({} as any);
        }

        // 选项选择器：第一次失败，第二次成功（验证重试机制）
        attemptCount++;
        if (attemptCount === 1) {
          return Promise.reject(new Error('Option not loaded yet'));
        }
        // 第二次重试成功
        return Promise.resolve(mockOption as any);
      });

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);
      vi.mocked(mockPage.waitForTimeout).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue(['选项1']),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      // 应该在重试后成功
      await selectRadixOptionAsync(mockPage, '测试下拉', '选项1');

      // 验证至少重试了一次
      expect(attemptCount).toBeGreaterThanOrEqual(2);
      expect(mockOption.click).toHaveBeenCalled();
    });

    it('应该在多次重试后超时并抛出错误', async () => {
      const mockTrigger = { click: vi.fn() };

      vi.mocked(mockPage.waitForSelector).mockImplementation((selector: string) => {
        // 触发器成功
        if (selector.includes('trigger') || selector.includes('label')) {
          return Promise.resolve(mockTrigger as any);
        }
        if (selector.includes('listbox')) {
          return Promise.resolve({} as any);
        }
        // 选项选择器持续失败
        return Promise.reject(new Error('Option not loaded'));
      });

      vi.mocked(mockPage.waitForLoadState).mockResolvedValue(undefined as any);
      vi.mocked(mockPage.waitForTimeout).mockResolvedValue(undefined as any);

      const mockLocator = {
        allTextContents: vi.fn().mockResolvedValue([]),
      };
      vi.mocked(mockPage.locator).mockReturnValue(mockLocator as any);

      // 使用短超时加快测试
      await expect(
        selectRadixOptionAsync(mockPage, '测试下拉', '选项1', { timeout: 500 })
      ).rejects.toThrow(E2ETestError);
    });
  });
});