import { describe, it, expect } from 'vitest'
import {
  createMockContentView,
  createMockRevenueMetric,
  createMockEngagementMetric,
  createMockPlatformError,
  createMockABTest,
  createMockRepository,
} from './utils'
import { ContentView } from '@/entities/content-view.entity'

/**
 * Example test demonstrating the test infrastructure
 * This file can be deleted once actual tests are written
 */

describe('Test Infrastructure', () => {
  describe('Factory Functions', () => {
    it('should create a mock ContentView with defaults', () => {
      const contentView = createMockContentView()

      expect(contentView).toBeDefined()
      expect(contentView.id).toBe('test-content-view-id')
      expect(contentView.contentId).toBe('test-content-id')
      expect(contentView.userId).toBe('test-user-id')
      expect(contentView.duration).toBe(30)
    })

    it('should create a mock ContentView with overrides', () => {
      const contentView = createMockContentView({
        id: 'custom-id',
        duration: 100,
      })

      expect(contentView.id).toBe('custom-id')
      expect(contentView.duration).toBe(100)
      expect(contentView.userId).toBe('test-user-id') // Default value preserved
    })

    it('should create a mock RevenueMetric', () => {
      const revenueMetric = createMockRevenueMetric()

      expect(revenueMetric).toBeDefined()
      expect(revenueMetric.amount).toBe(100)
      expect(revenueMetric.platformFee).toBe(10)
      expect(revenueMetric.netRevenue).toBe(90)
    })

    it('should create a mock EngagementMetric', () => {
      const engagementMetric = createMockEngagementMetric()

      expect(engagementMetric).toBeDefined()
      expect(engagementMetric.userId).toBe('test-user-id')
      expect(engagementMetric.targetId).toBe('test-target-id')
    })

    it('should create a mock PlatformError', () => {
      const platformError = createMockPlatformError()

      expect(platformError).toBeDefined()
      expect(platformError.message).toBe('Test error message')
      expect(platformError.statusCode).toBe(500)
    })

    it('should create a mock ABTest', () => {
      const abTest = createMockABTest()

      expect(abTest).toBeDefined()
      expect(abTest.name).toBe('Test A/B Test')
      expect(abTest.variants).toHaveLength(2)
      expect(abTest.confidenceThreshold).toBe(95)
    })
  })

  describe('Mock Repository', () => {
    it('should create a mock repository', () => {
      const mockRepo = createMockRepository<ContentView>()

      expect(mockRepo).toBeDefined()
      expect(mockRepo.find).toBeDefined()
      expect(mockRepo.findOne).toBeDefined()
      expect(mockRepo.save).toBeDefined()
      expect(mockRepo.createQueryBuilder).toBeDefined()
    })

    it('should allow mocking repository methods', async () => {
      const mockRepo = createMockRepository<ContentView>()
      const mockData = createMockContentView()

      mockRepo.findOne.mockResolvedValue(mockData)

      const result = await mockRepo.findOne({ where: { id: 'test-id' } })

      expect(result).toEqual(mockData)
      expect(mockRepo.findOne).toHaveBeenCalledWith({ where: { id: 'test-id' } })
    })

    it('should support query builder methods', async () => {
      const mockRepo = createMockRepository<ContentView>()
      const queryBuilder = mockRepo.getQueryBuilder()
      const mockData = [createMockContentView()]

      queryBuilder.mockResult(mockData)

      const qb = mockRepo.createQueryBuilder('contentView')
      const result = await qb
        .where('contentView.userId = :userId', { userId: 'test-user-id' })
        .getMany()

      expect(result).toEqual(mockData)
      expect(queryBuilder.where).toHaveBeenCalledWith(
        'contentView.userId = :userId',
        { userId: 'test-user-id' }
      )
    })
  })
})