import { renderHook, act, waitFor } from '@testing-library/react-native'
import { useTemplateFavorite } from './use-template-favorite'
import { root } from '@repo/core'
import { TemplateSocialController } from '@repo/sdk'
import { handleError } from './use-error'
import { templateSocialStore } from '@/stores/templateSocialStore'

jest.mock('@repo/core', () => ({
  root: {
    get: jest.fn(),
  },
}))

jest.mock('@/stores/templateSocialStore', () => ({
  templateSocialStore: {
    setFavorited: jest.fn(),
    setFavoriteCount: jest.fn(),
    getFavoriteCount: jest.fn(),
    isFavorited: jest.fn().mockReturnValue(false),
  },
}))

jest.mock('./use-error', () => ({
  handleError: jest.fn(async (cb) => {
    try {
      const data = await cb()
      return { data, error: null }
    } catch (e) {
      return { data: null, error: e }
    }
  }),
}))

describe('useTemplateFavorite', () => {
  const mockTemplateId = 'template-123'

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

  afterEach(() => {
    jest.restoreAllMocks()
  })

  describe('initial state', () => {
    it('should return initial state with no data', () => {
      const { result } = renderHook(() => useTemplateFavorite())

      expect(result.current.loading).toBe(false)
      expect(result.current.error).toBeNull()
    })

    it('should accept templateId parameter', () => {
      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      expect(result.current.loading).toBe(false)
      expect(result.current.error).toBeNull()
    })
  })

  describe('favorite function', () => {
    it('should favorite a template successfully', async () => {
      const mockSuccessResponse = { success: true }
      const mockController = {
        favorite: jest.fn().mockResolvedValue(mockSuccessResponse),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      await act(async () => {
        await result.current.favorite()
      })

      expect(mockController.favorite).toHaveBeenCalledWith({
        templateId: mockTemplateId,
      })
      expect(templateSocialStore.setFavorited).toHaveBeenCalledWith(mockTemplateId, true)
      expect(result.current.loading).toBe(false)
      expect(result.current.error).toBeNull()
    })

    it('should handle API errors when favoriting', async () => {
      const mockError = {
        status: 500,
        statusText: 'Internal Server Error',
        message: 'Failed to favorite template',
      }

      const mockController = {
        favorite: jest.fn().mockRejectedValue(mockError),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        try {
          await cb()
          return { data: null, error: null }
        } catch (e) {
          return { data: null, error: e }
        }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      await act(async () => {
        await result.current.favorite()
      })

      expect(result.current.error).toEqual(mockError)
      // 错误时应该回滚乐观更新，setFavorited 会被调用两次：先 true，后 false
      expect(templateSocialStore.setFavorited).toHaveBeenLastCalledWith(mockTemplateId, false)
      expect(result.current.loading).toBe(false)
    })

    it('should set loading to true during favorite operation', async () => {
      let resolveFavorite: (value: any) => void
      const favoritePromise = new Promise((resolve) => {
        resolveFavorite = resolve
      })

      const mockController = {
        favorite: jest.fn().mockReturnValue(favoritePromise),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      act(() => {
        result.current.favorite()
      })

      expect(result.current.loading).toBe(true)

      await act(async () => {
        resolveFavorite!({ success: true })
        await favoritePromise
      })

      expect(result.current.loading).toBe(false)
    })
  })

  describe('unfavorite function', () => {
    it('should unfavorite a template successfully', async () => {
      const mockSuccessResponse = { success: true }
      const mockController = {
        unfavorite: jest.fn().mockResolvedValue(mockSuccessResponse),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() =>
        useTemplateFavorite(mockTemplateId, true), // 初始为已收藏状态
      )

      await act(async () => {
        await result.current.unfavorite()
      })

      expect(mockController.unfavorite).toHaveBeenCalledWith({
        templateId: mockTemplateId,
      })
      expect(templateSocialStore.setFavorited).toHaveBeenCalledWith(mockTemplateId, false)
      expect(result.current.loading).toBe(false)
      expect(result.current.error).toBeNull()
    })

    it('should handle API errors when unfavoriting', async () => {
      const mockError = {
        status: 500,
        message: 'Failed to unfavorite template',
      }

      const mockController = {
        unfavorite: jest.fn().mockRejectedValue(mockError),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        try {
          await cb()
          return { data: null, error: null }
        } catch (e) {
          return { data: null, error: e }
        }
      })

      const { result } = renderHook(() =>
        useTemplateFavorite(mockTemplateId, true),
      )

      await act(async () => {
        await result.current.unfavorite()
      })

      expect(result.current.error).toEqual(mockError)
      expect(result.current.loading).toBe(false)
    })

    it('should set loading to true during unfavorite operation', async () => {
      let resolveUnfavorite: (value: any) => void
      const unfavoritePromise = new Promise((resolve) => {
        resolveUnfavorite = resolve
      })

      const mockController = {
        unfavorite: jest.fn().mockReturnValue(unfavoritePromise),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() =>
        useTemplateFavorite(mockTemplateId, true),
      )

      act(() => {
        result.current.unfavorite()
      })

      expect(result.current.loading).toBe(true)

      await act(async () => {
        resolveUnfavorite!({ success: true })
        await unfavoritePromise
      })

      expect(result.current.loading).toBe(false)
    })
  })

  describe('checkFavorited function', () => {
    it('should check favorited status successfully', async () => {
      const mockResponse = { favorited: true }
      const mockController = {
        checkFavorited: jest.fn().mockResolvedValue(mockResponse),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      await act(async () => {
        await result.current.checkFavorited()
      })

      expect(mockController.checkFavorited).toHaveBeenCalledWith({
        templateId: mockTemplateId,
      })
      expect(templateSocialStore.setFavorited).toHaveBeenCalledWith(mockTemplateId, true)
      expect(result.current.loading).toBe(false)
      expect(result.current.error).toBeNull()
    })

    it('should handle API errors when checking favorited status', async () => {
      const mockError = {
        status: 500,
        message: 'Failed to check favorited status',
      }

      const mockController = {
        checkFavorited: jest.fn().mockRejectedValue(mockError),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        try {
          await cb()
          return { data: null, error: null }
        } catch (e) {
          return { data: null, error: e }
        }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      await act(async () => {
        await result.current.checkFavorited()
      })

      expect(result.current.error).toEqual(mockError)
      expect(result.current.loading).toBe(false)
    })

    it('should update favorited state based on response', async () => {
      const mockResponse = { favorited: false }
      const mockController = {
        checkFavorited: jest.fn().mockResolvedValue(mockResponse),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        const data = await cb()
        return { data, error: null }
      })

      const { result } = renderHook(() =>
        useTemplateFavorite(mockTemplateId, true), // 初始为已收藏
      )

      await act(async () => {
        await result.current.checkFavorited()
      })

      expect(templateSocialStore.setFavorited).toHaveBeenCalledWith(mockTemplateId, false)
    })
  })

  describe('edge cases', () => {
    it('should not call API when templateId is not provided', async () => {
      const mockController = {
        favorite: jest.fn(),
        unfavorite: jest.fn(),
        checkFavorited: jest.fn(),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)

      const { result } = renderHook(() => useTemplateFavorite())

      await act(async () => {
        await result.current.favorite()
        await result.current.unfavorite()
        await result.current.checkFavorited()
      })

      expect(mockController.favorite).not.toHaveBeenCalled()
      expect(mockController.unfavorite).not.toHaveBeenCalled()
      expect(mockController.checkFavorited).not.toHaveBeenCalled()
    })

    it('should clear error on successful operation', async () => {
      const mockError = { status: 500, message: 'Error' }
      const mockSuccessResponse = { success: true }

      const mockController = {
        favorite: jest.fn()
          .mockRejectedValueOnce(mockError)
          .mockResolvedValueOnce(mockSuccessResponse),
      }
      ;(root.get as jest.Mock).mockReturnValue(mockController)
      ;(handleError as jest.Mock).mockImplementation(async (cb) => {
        try {
          const data = await cb()
          return { data, error: null }
        } catch (e) {
          return { data: null, error: e }
        }
      })

      const { result } = renderHook(() => useTemplateFavorite(mockTemplateId))

      await act(async () => {
        await result.current.favorite()
      })

      expect(result.current.error).toEqual(mockError)

      await act(async () => {
        await result.current.favorite()
      })

      expect(result.current.error).toBeNull()
    })
  })
})