import { trackingApi } from '../tracking'
import apiClient from '../client'

jest.mock('../client')

const mockedApiClient = apiClient as jest.Mocked<typeof apiClient>

describe('trackingApi', () => {
  beforeEach(() => {
    jest.clearAllMocks()
  })

  describe('createActivity', () => {
    it('transforms frontend data to backend format', async () => {
      const mockActivity = {
        id: 'act_123',
        childId: 'chd_456',
        type: 'feeding',
        startedAt: '2024-01-01T12:00:00Z',
        metadata: { amount: 120, type: 'bottle' },
        loggedBy: 'usr_789',
        createdAt: '2024-01-01T12:00:00Z',
      }

      mockedApiClient.post.mockResolvedValue({
        data: { data: { activity: mockActivity } },
      } as any)

      const result = await trackingApi.createActivity('chd_456', {
        type: 'feeding',
        timestamp: '2024-01-01T12:00:00Z',
        data: { amount: 120, type: 'bottle' },
      })

      expect(mockedApiClient.post).toHaveBeenCalledWith(
        '/api/v1/activities?childId=chd_456',
        {
          type: 'feeding',
          startedAt: '2024-01-01T12:00:00Z',
          metadata: { amount: 120, type: 'bottle' },
          notes: undefined,
        }
      )

      expect(result).toEqual({
        ...mockActivity,
        timestamp: mockActivity.startedAt,
        data: mockActivity.metadata,
      })
    })
  })

  describe('getActivities', () => {
    it('transforms backend data to frontend format', async () => {
      const mockActivities = [
        {
          id: 'act_123',
          childId: 'chd_456',
          type: 'feeding',
          startedAt: '2024-01-01T12:00:00Z',
          metadata: { amount: 120 },
        },
        {
          id: 'act_124',
          childId: 'chd_456',
          type: 'sleep',
          startedAt: '2024-01-01T14:00:00Z',
          metadata: { duration: 120 },
        },
      ]

      mockedApiClient.get.mockResolvedValue({
        data: { data: { activities: mockActivities } },
      } as any)

      const result = await trackingApi.getActivities('chd_456', 'feeding')

      expect(mockedApiClient.get).toHaveBeenCalledWith('/api/v1/activities', {
        params: { childId: 'chd_456', type: 'feeding' },
      })

      expect(result).toEqual([
        {
          id: 'act_123',
          childId: 'chd_456',
          type: 'feeding',
          startedAt: '2024-01-01T12:00:00Z',
          metadata: { amount: 120 },
          timestamp: '2024-01-01T12:00:00Z',
          data: { amount: 120 },
        },
        {
          id: 'act_124',
          childId: 'chd_456',
          type: 'sleep',
          startedAt: '2024-01-01T14:00:00Z',
          metadata: { duration: 120 },
          timestamp: '2024-01-01T14:00:00Z',
          data: { duration: 120 },
        },
      ])
    })
  })
})