import { getSceneList, getSceneData, updateText, updateTag, regenerateScene, getSceneShots, applySceneToShots } from '@/api/video_flow';
import { SceneEditUseCase } from '../usecase/SceneEditUseCase';
import { TextEditUseCase } from '../usecase/TextEditUseCase';
import { TagEditUseCase } from '../usecase/TagEditUseCase';
import { SceneItem, TextItem, TagItem } from '../domain/Item';
import { SceneEntity, AITextEntity, TagEntity, ShotEntity, ShotStatus } from '../domain/Entities';

// Mock API模块
jest.mock('@/api/video_flow', () => ({
  getSceneList: jest.fn(),
  getSceneData: jest.fn(),
  updateText: jest.fn(),
  updateTag: jest.fn(),
  regenerateScene: jest.fn(),
  getSceneShots: jest.fn(),
  applySceneToShots: jest.fn(),
}));

// Mock UseCase模块
jest.mock('../usecase/SceneEditUseCase');
jest.mock('../usecase/TextEditUseCase');
jest.mock('../usecase/TagEditUseCase');

// Mock Domain模块
jest.mock('../domain/Item', () => ({
  SceneItem: jest.fn(),
  TextItem: jest.fn(),
  TagItem: jest.fn(),
}));

describe('SceneService 业务逻辑测试', () => {
  let mockSceneEditUseCase: jest.Mocked<SceneEditUseCase>;
  let mockTextEditUseCase: jest.Mocked<TextEditUseCase>;
  let mockTagEditUseCase: jest.Mocked<TagEditUseCase>;

  // 测试数据
  const mockSceneEntity: SceneEntity = {
    id: 'scene1',
    name: '测试场景',
    imageUrl: 'http://example.com/scene1.jpg',
    tagIds: ['tag1', 'tag2'],
    generateTextId: 'text1',
    updatedAt: Date.now(),
    loadingProgress: 100,
    disableEdit: false,
  };

  const mockTextEntity: AITextEntity = {
    id: 'text1',
    content: '这是AI生成的场景文本内容',
    updatedAt: Date.now(),
    loadingProgress: 100,
    disableEdit: false,
  };

  const mockTagEntity1: TagEntity = {
    id: 'tag1',
    name: '场景标签1',
    content: '场景标签内容1',
    updatedAt: Date.now(),
    loadingProgress: 100,
    disableEdit: false,
  };

  const mockTagEntity2: TagEntity = {
    id: 'tag2',
    name: '场景标签2',
    content: '场景标签内容2',
    updatedAt: Date.now(),
    loadingProgress: 100,
    disableEdit: false,
  };

  const mockShotEntity: ShotEntity = {
    id: 'shot1',
    name: '分镜1',
    sketchUrl: 'http://example.com/sketch1.jpg',
    videoUrl: ['http://example.com/video1.mp4'],
    roleList: [],
    sceneList: [],
    content: [],
    status: ShotStatus.sketchLoading,
    shot: [],
    scriptId: 'script1',
    updatedAt: Date.now(),
    loadingProgress: 100,
    disableEdit: false,
  };

  beforeEach(() => {
    jest.clearAllMocks();

    // 设置Mock UseCase实例
    mockSceneEditUseCase = {
      AIgenerateScene: jest.fn(),
      applyScene: jest.fn(),
      refreshSceneData: jest.fn(),
    } as any;

    mockTextEditUseCase = {
      getOptimizedContent: jest.fn(),
      updateText: jest.fn(),
    } as any;

    mockTagEditUseCase = {
      updateTag: jest.fn(),
    } as any;

    // 设置Mock构造函数
    (SceneEditUseCase as jest.MockedClass<typeof SceneEditUseCase>).mockImplementation(() => mockSceneEditUseCase);
    (TextEditUseCase as jest.MockedClass<typeof TextEditUseCase>).mockImplementation(() => mockTextEditUseCase);
    (TagEditUseCase as jest.MockedClass<typeof TagEditUseCase>).mockImplementation(() => mockTagEditUseCase);

    // 设置Mock Item构造函数
    (SceneItem as jest.MockedClass<typeof SceneItem>).mockImplementation((entity) => ({
      entity,
      metadata: {},
      disableEdit: entity.disableEdit,
      type: 3,
    } as any));

    (TextItem as jest.MockedClass<typeof TextItem>).mockImplementation((entity) => ({
      entity,
      metadata: {},
      disableEdit: entity.disableEdit,
      type: 0,
    } as any));

    (TagItem as jest.MockedClass<typeof TagItem>).mockImplementation((entity) => ({
      entity,
      metadata: {},
      disableEdit: entity.disableEdit,
      type: 2,
    } as any));
  });

  describe('数据初始化测试', () => {
    it('应该成功获取场景列表', async () => {
      const mockScenes = [mockSceneEntity];
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: true,
        data: mockScenes,
        message: 'success',
      });

      const result = await getSceneList({ projectId: 'project1' });

      expect(getSceneList).toHaveBeenCalledWith({ projectId: 'project1' });
      expect(result.successful).toBe(true);
      expect(result.data).toEqual(mockScenes);
    });

    it('获取场景列表失败时应该返回错误信息', async () => {
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: false,
        message: '获取失败',
      });

      const result = await getSceneList({ projectId: 'project1' });

      expect(result.successful).toBe(false);
      expect(result.message).toBe('获取失败');
    });

    it('应该成功获取场景数据', async () => {
      (getSceneData as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          text: mockTextEntity,
          tags: [mockTagEntity1, mockTagEntity2],
        },
      });

      const result = await getSceneData({ sceneId: 'scene1' });

      expect(getSceneData).toHaveBeenCalledWith({ sceneId: 'scene1' });
      expect(result.successful).toBe(true);
      expect(result.data.text).toEqual(mockTextEntity);
      expect(result.data.tags).toEqual([mockTagEntity1, mockTagEntity2]);
    });
  });

  describe('修改文本和标签测试', () => {
    it('应该成功修改AI文本', async () => {
      const updatedTextEntity = { ...mockTextEntity, content: '更新后的场景文本' };
      (updateText as jest.Mock).mockResolvedValue({
        successful: true,
        data: updatedTextEntity,
      });

      const result = await updateText({
        textId: 'text1',
        content: '新的场景文本内容'
      });

      expect(updateText).toHaveBeenCalledWith({
        textId: 'text1',
        content: '新的场景文本内容'
      });
      expect(result.successful).toBe(true);
      expect(result.data.content).toBe('更新后的场景文本');
    });

    it('应该成功修改标签内容', async () => {
      const updatedTagEntity = { ...mockTagEntity1, content: '更新后的场景标签' };
      (updateTag as jest.Mock).mockResolvedValue({
        successful: true,
        data: updatedTagEntity,
      });

      const result = await updateTag({
        tagId: 'tag1',
        content: '新的场景标签内容'
      });

      expect(updateTag).toHaveBeenCalledWith({
        tagId: 'tag1',
        content: '新的场景标签内容'
      });
      expect(result.successful).toBe(true);
      expect(result.data.content).toBe('更新后的场景标签');
    });
  });

  describe('文本AI优化测试', () => {
    it('应该成功优化AI文本', async () => {
      const optimizedContent = '优化后的场景文本内容';
      const updatedTextEntity = { ...mockTextEntity, content: optimizedContent };

      mockTextEditUseCase.getOptimizedContent.mockResolvedValue(optimizedContent);
      mockTextEditUseCase.updateText.mockResolvedValue({
        entity: updatedTextEntity,
        metadata: {},
        disableEdit: false,
        type: 0,
      } as any);

      (updateText as jest.Mock).mockResolvedValue({
        successful: true,
        data: updatedTextEntity,
      });

      // 模拟优化流程
      const optimizedContentResult = await mockTextEditUseCase.getOptimizedContent();
      const updateResult = await mockTextEditUseCase.updateText(optimizedContentResult);

      expect(mockTextEditUseCase.getOptimizedContent).toHaveBeenCalled();
      expect(mockTextEditUseCase.updateText).toHaveBeenCalledWith(optimizedContent);
      expect(updateResult.entity.content).toBe(optimizedContent);
    });

    it('没有文本内容时优化应该抛出错误', async () => {
      const emptyTextEntity = { ...mockTextEntity, content: '' };
      mockTextEditUseCase.getOptimizedContent.mockRejectedValue(new Error('没有可优化的文本内容'));

      await expect(mockTextEditUseCase.getOptimizedContent()).rejects.toThrow('没有可优化的文本内容');
    });
  });

  describe('重新生成场景测试', () => {
    it('应该成功重新生成场景', async () => {
      const newSceneEntity = { ...mockSceneEntity, id: 'scene2', name: '新场景' };
      (regenerateScene as jest.Mock).mockResolvedValue({
        successful: true,
        data: newSceneEntity,
      });

      mockSceneEditUseCase.AIgenerateScene.mockResolvedValue(newSceneEntity);

      const result = await regenerateScene({
        prompt: '重新生成场景',
        tagTypes: ['tag1', 'tag2'],
        sceneId: 'scene1'
      });

      expect(regenerateScene).toHaveBeenCalledWith({
        prompt: '重新生成场景',
        tagTypes: ['tag1', 'tag2'],
        sceneId: 'scene1'
      });
      expect(result.successful).toBe(true);
      expect(result.data.id).toBe('scene2');
      expect(result.data.name).toBe('新场景');
    });

    it('重新生成场景失败时应该返回错误信息', async () => {
      (regenerateScene as jest.Mock).mockResolvedValue({
        successful: false,
        message: '重新生成失败',
      });

      const result = await regenerateScene({
        prompt: '重新生成场景',
        tagTypes: ['tag1', 'tag2'],
        sceneId: 'scene1'
      });

      expect(result.successful).toBe(false);
      expect(result.message).toBe('重新生成失败');
    });
  });

  describe('场景业务流程测试', () => {
    it('应该完成完整的场景编辑流程：获取列表→选择场景→修改提示词→智能优化→修改标签→重新生成→应用场景', async () => {
      // 模拟用户操作：获取场景列表
      const mockScenes = [mockSceneEntity];
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: true,
        data: mockScenes,
        message: 'success',
      });

      const sceneListResult = await getSceneList({ projectId: 'project1' });
      expect(sceneListResult.successful).toBe(true);
      expect(sceneListResult.data).toEqual(mockScenes);

      // 模拟用户操作：选择场景并获取场景数据
      (getSceneData as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          text: mockTextEntity,
          tags: [mockTagEntity1, mockTagEntity2],
        },
      });

      const sceneDataResult = await getSceneData({ sceneId: 'scene1' });
      expect(sceneDataResult.successful).toBe(true);
      expect(sceneDataResult.data.text).toEqual(mockTextEntity);
      expect(sceneDataResult.data.tags).toEqual([mockTagEntity1, mockTagEntity2]);

      // 模拟用户操作：修改场景提示词
      const updatedTextEntity = { ...mockTextEntity, content: '修改后的场景提示词' };
      (updateText as jest.Mock).mockResolvedValue({
        successful: true,
        data: updatedTextEntity,
      });

      const updateTextResult = await updateText({
        textId: 'text1',
        content: '修改后的场景提示词'
      });
      expect(updateTextResult.successful).toBe(true);
      expect(updateTextResult.data.content).toBe('修改后的场景提示词');

      // 模拟用户操作：智能优化文本
      const optimizedContent = '智能优化后的场景文本';
      mockTextEditUseCase.getOptimizedContent.mockResolvedValue(optimizedContent);
      mockTextEditUseCase.updateText.mockResolvedValue({
        entity: { ...mockTextEntity, content: optimizedContent },
        metadata: {},
        disableEdit: false,
        type: 0,
      } as any);

      const optimizedContentResult = await mockTextEditUseCase.getOptimizedContent();
      expect(optimizedContentResult).toBe(optimizedContent);

      // 模拟用户操作：修改标签
      const updatedTagEntity = { ...mockTagEntity1, content: '修改后的标签内容' };
      (updateTag as jest.Mock).mockResolvedValue({
        successful: true,
        data: updatedTagEntity,
      });

      const updateTagResult = await updateTag({
        tagId: 'tag1',
        content: '修改后的标签内容'
      });
      expect(updateTagResult.successful).toBe(true);
      expect(updateTagResult.data.content).toBe('修改后的标签内容');

      // 模拟用户操作：使用新的提示词和标签重新生成场景
      const newSceneEntity = { ...mockSceneEntity, id: 'scene2', name: '重新生成的场景' };
      (regenerateScene as jest.Mock).mockResolvedValue({
        successful: true,
        data: newSceneEntity,
      });

      mockSceneEditUseCase.AIgenerateScene.mockResolvedValue(newSceneEntity);

      const regenerateResult = await regenerateScene({
        prompt: '使用新的提示词重新生成场景',
        tagTypes: ['tag1', 'tag2'],
        sceneId: 'scene1'
      });
      expect(regenerateResult.successful).toBe(true);
      expect(regenerateResult.data.name).toBe('重新生成的场景');

      // 模拟用户操作：获取场景应用到的分镜列表
      const mockShots = [mockShotEntity];
      (getSceneShots as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          shots: mockShots,
          appliedShotIds: [],
        },
      });

      const shotsResult = await getSceneShots({ sceneId: 'scene1' });
      expect(shotsResult.successful).toBe(true);
      expect(shotsResult.data.shots).toEqual(mockShots);

      // 模拟用户操作：选择分镜并应用新的场景
      (applySceneToShots as jest.Mock).mockResolvedValue({
        successful: true,
        data: { success: true },
      });

      mockSceneEditUseCase.applyScene.mockResolvedValue({} as any);

      const applyResult = await applySceneToShots({
        sceneId: 'scene1',
        shotIds: ['shot1', 'shot2']
      });
      expect(applyResult.successful).toBe(true);
    });

    it('应该模拟用户选择场景并修改提示词的完整流程', async () => {
      // 用户操作：获取项目中的场景列表
      const mockScenes = [
        { ...mockSceneEntity, id: 'scene1', name: '场景1' },
        { ...mockSceneEntity, id: 'scene2', name: '场景2' }
      ];
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: true,
        data: mockScenes,
      });

      const sceneList = await getSceneList({ projectId: 'project1' });
      expect(sceneList.data).toHaveLength(2);

      // 用户操作：选择第一个场景
      const selectedSceneId = 'scene1';
      (getSceneData as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          text: mockTextEntity,
          tags: [mockTagEntity1],
        },
      });

      const selectedSceneData = await getSceneData({ sceneId: selectedSceneId });
      expect(selectedSceneData.data.text.id).toBe('text1');

      // 用户操作：修改场景提示词
      const newPrompt = '我想要一个更加戏剧性的场景';
      (updateText as jest.Mock).mockResolvedValue({
        successful: true,
        data: { ...mockTextEntity, content: newPrompt },
      });

      const updatedText = await updateText({
        textId: 'text1',
        content: newPrompt
      });
      expect(updatedText.data.content).toBe(newPrompt);

      // 用户操作：使用新提示词重新生成场景
      const regeneratedScene = { ...mockSceneEntity, name: '戏剧性场景' };
      (regenerateScene as jest.Mock).mockResolvedValue({
        successful: true,
        data: regeneratedScene,
      });

      const regenerationResult = await regenerateScene({
        prompt: newPrompt,
        tagTypes: ['tag1'],
        sceneId: selectedSceneId
      });
      expect(regenerationResult.data.name).toBe('戏剧性场景');
    });

    it('应该处理场景编辑流程中的错误情况', async () => {
      // 模拟获取场景列表失败
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: false,
        message: '获取场景列表失败',
      });

      const sceneListResult = await getSceneList({ projectId: 'project1' });
      expect(sceneListResult.successful).toBe(false);
      expect(sceneListResult.message).toBe('获取场景列表失败');

      // 模拟修改文本失败
      (updateText as jest.Mock).mockResolvedValue({
        successful: false,
        message: '修改文本失败',
      });

      const updateTextResult = await updateText({
        textId: 'text1',
        content: '新的文本内容'
      });
      expect(updateTextResult.successful).toBe(false);
      expect(updateTextResult.message).toBe('修改文本失败');

      // 模拟重新生成场景失败
      (regenerateScene as jest.Mock).mockResolvedValue({
        successful: false,
        message: '重新生成场景失败',
      });

      const regenerateResult = await regenerateScene({
        prompt: '重新生成场景',
        tagTypes: ['tag1'],
        sceneId: 'scene1'
      });
      expect(regenerateResult.successful).toBe(false);
      expect(regenerateResult.message).toBe('重新生成场景失败');

      // 模拟应用场景失败
      (applySceneToShots as jest.Mock).mockResolvedValue({
        successful: false,
        message: '应用场景失败',
      });

      const applyResult = await applySceneToShots({
        sceneId: 'scene1',
        shotIds: ['shot1']
      });
      expect(applyResult.successful).toBe(false);
      expect(applyResult.message).toBe('应用场景失败');
    });
  });

  describe('场景应用到多个分镜测试', () => {
    it('应该成功获取场景分镜列表', async () => {
      const mockShots = [mockShotEntity];
      (getSceneShots as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          shots: mockShots,
          appliedShotIds: [],
        },
      });

      const result = await getSceneShots({ sceneId: 'scene1' });

      expect(getSceneShots).toHaveBeenCalledWith({ sceneId: 'scene1' });
      expect(result.successful).toBe(true);
      expect(result.data.shots).toEqual(mockShots);
      expect(result.data.appliedShotIds).toEqual([]);
    });

    it('应该成功应用场景到选中的分镜', async () => {
      (applySceneToShots as jest.Mock).mockResolvedValue({
        successful: true,
        data: { success: true },
      });

      mockSceneEditUseCase.applyScene.mockResolvedValue({} as any);

      const result = await applySceneToShots({
        sceneId: 'scene1',
        shotIds: ['shot1', 'shot2']
      });

      expect(applySceneToShots).toHaveBeenCalledWith({
        sceneId: 'scene1',
        shotIds: ['shot1', 'shot2']
      });
      expect(result.successful).toBe(true);
    });

    it('应用场景失败时应该返回错误信息', async () => {
      (applySceneToShots as jest.Mock).mockResolvedValue({
        successful: false,
        message: '应用失败',
      });

      const result = await applySceneToShots({
        sceneId: 'scene1',
        shotIds: ['shot1']
      });

      expect(result.successful).toBe(false);
      expect(result.message).toBe('应用失败');
    });

    it('应该正确处理已应用的分镜状态', async () => {
      const mockShots = [mockShotEntity];
      (getSceneShots as jest.Mock).mockResolvedValue({
        successful: true,
        data: {
          shots: mockShots,
          appliedShotIds: ['shot1'], // 分镜1已应用
        },
      });

      const result = await getSceneShots({ sceneId: 'scene1' });

      expect(result.data.appliedShotIds).toEqual(['shot1']);
      expect(result.data.shots).toEqual(mockShots);
    });
  });

  describe('UseCase业务逻辑测试', () => {
    it('SceneEditUseCase应该正确初始化', () => {
      const sceneItem = new SceneItem(mockSceneEntity);
      const useCase = new SceneEditUseCase(sceneItem);

      expect(SceneEditUseCase).toHaveBeenCalledWith(sceneItem);
      expect(useCase).toBeDefined();
    });

    it('TextEditUseCase应该正确初始化', () => {
      const textItem = new TextItem(mockTextEntity);
      const useCase = new TextEditUseCase(textItem);

      expect(TextEditUseCase).toHaveBeenCalledWith(textItem);
      expect(useCase).toBeDefined();
    });

    it('TagEditUseCase应该正确初始化', () => {
      const tagItem = new TagItem(mockTagEntity1);
      const useCase = new TagEditUseCase(tagItem);

      expect(TagEditUseCase).toHaveBeenCalledWith(tagItem);
      expect(useCase).toBeDefined();
    });
  });

  describe('Domain实体测试', () => {
    it('SceneItem应该正确包装SceneEntity', () => {
      const sceneItem = new SceneItem(mockSceneEntity);

      expect(SceneItem).toHaveBeenCalledWith(mockSceneEntity);
      expect(sceneItem.entity).toEqual(mockSceneEntity);
      expect(sceneItem.disableEdit).toBe(false);
    });

    it('TextItem应该正确包装AITextEntity', () => {
      const textItem = new TextItem(mockTextEntity);

      expect(TextItem).toHaveBeenCalledWith(mockTextEntity);
      expect(textItem.entity).toEqual(mockTextEntity);
      expect(textItem.disableEdit).toBe(false);
    });

    it('TagItem应该正确包装TagEntity', () => {
      const tagItem = new TagItem(mockTagEntity1);

      expect(TagItem).toHaveBeenCalledWith(mockTagEntity1);
      expect(tagItem.entity).toEqual(mockTagEntity1);
      expect(tagItem.disableEdit).toBe(false);
    });
  });

  describe('错误处理测试', () => {
    it('API调用失败时应该正确处理错误', async () => {
      (getSceneList as jest.Mock).mockRejectedValue(new Error('网络错误'));

      await expect(getSceneList({ projectId: 'project1' })).rejects.toThrow('网络错误');
    });

    it('API返回失败状态时应该正确处理', async () => {
      (getSceneList as jest.Mock).mockResolvedValue({
        successful: false,
        message: '服务器错误',
      });

      const result = await getSceneList({ projectId: 'project1' });

      expect(result.successful).toBe(false);
      expect(result.message).toBe('服务器错误');
    });

    it('UseCase未初始化时应该抛出相应错误', async () => {
      const sceneItem = new SceneItem(mockSceneEntity);
      const useCase = new SceneEditUseCase(sceneItem);

      // 模拟UseCase未初始化的情况
      mockSceneEditUseCase.AIgenerateScene.mockRejectedValue(new Error('场景编辑UseCase未初始化'));

      await expect(useCase.AIgenerateScene({} as any, [])).rejects.toThrow('场景编辑UseCase未初始化');
    });
  });

  describe('场景数据完整性测试', () => {
    it('应该验证场景实体的完整性', () => {
      const sceneItem = new SceneItem(mockSceneEntity);

      expect(sceneItem.entity.id).toBe('scene1');
      expect(sceneItem.entity.name).toBe('测试场景');
      expect(sceneItem.entity.imageUrl).toBe('http://example.com/scene1.jpg');
      expect(sceneItem.entity.tagIds).toEqual(['tag1', 'tag2']);
      expect(sceneItem.entity.generateTextId).toBe('text1');
    });

    it('应该验证文本实体的完整性', () => {
      const textItem = new TextItem(mockTextEntity);

      expect(textItem.entity.id).toBe('text1');
      expect(textItem.entity.content).toBe('这是AI生成的场景文本内容');
    });

    it('应该验证标签实体的完整性', () => {
      const tagItem = new TagItem(mockTagEntity1);

      expect(tagItem.entity.id).toBe('tag1');
      expect(tagItem.entity.name).toBe('场景标签1');
      expect(tagItem.entity.content).toBe('场景标签内容1');
    });
  });
});