import * as types from '../types'

const initialState = () => ({
  query: {},
  task: {},
  result: {},
  loading: false,
  startTime: 0,
  timing: 0,
})

export default function faceAnalysisReducer(state = initialState(), action) {
  const { startTime } = state
  switch (action.type) {
    case types.faceAnalysis.loading:
      return {
        ...state,
        startTime: action.ts,
        timing: 0,
        [action.tag]: { loading: true },
      }

    case types.faceAnalysis.loaded:
      return {
        ...state,
        timing: action.ts - startTime,
        [action.tag]: action.data,
      }

    case types.faceAnalysis.poll:
      return {
        ...state,
        timing: action.ts - startTime,
        result: action.data,
      }

    case types.faceAnalysis.error:
      console.log('error', action)
      return {
        ...state,
        timing: action.ts - startTime,
        [action.tag]: { error: action.err },
      }

    default:
      return state
  }
}