import { createReducer } from '@chipp972/redux-helpers';
import * as R from 'ramda';
import { actions, defaultRequest, reducerKey } from './redux-ajax.constants';
import { isRequestAbortable } from './redux-ajax.helpers';
import { ReduxAjaxParams, ReduxAjaxState, RequestStatus } from './redux-ajax.type';

export const reduxAjaxReducerKey = reducerKey;

export const reduxAjaxReducer = createReducer<ReduxAjaxState>(
  {
    [actions.AJAX_REQUEST_SET_REQUEST_PARAMS]: (
      state,
      { requestId, ...requestParams }: ReduxAjaxParams & { requestId: string }
    ) =>
      R.mergeDeepRight<ReduxAjaxState, { [x: string]: any }>(state, {
        [requestId]: {
          ...defaultRequest,
          ...state[requestId],
          ...requestParams
        }
      }),
    [actions.AJAX_REQUEST_INTENTED]: (state, { requestId }: { requestId: string }) =>
      R.mergeDeepRight(state, {
        [requestId]: {
          error: null,
          status: RequestStatus.INTENTED
        }
      }),
    [actions.AJAX_REQUEST_PENDING]: (state, { requestId }: { requestId: string }) =>
      R.mergeDeepRight(state, {
        [requestId]: {
          error: null,
          status: RequestStatus.PENDING
        }
      }),
    [actions.AJAX_REQUEST_SUCCESS]: (state, { requestId, response }: { requestId: string; response: object }) => ({
      ...state,
      [requestId]: {
        ...state[requestId],
        response,
        error: null,
        status: RequestStatus.SUCCESS
      }
    }),
    [actions.AJAX_REQUEST_FAILURE]: (state, { requestId, error }: { requestId: string; error: object }) =>
      R.mergeDeepRight(state, {
        [requestId]: {
          error,
          response: null,
          status: RequestStatus.FAILURE
        }
      }),
    [actions.AJAX_REQUEST_RESET]: (state, { requestId }: { requestId: string }) => ({
      ...state,
      [requestId]: defaultRequest
    }),
    [actions.AJAX_REQUEST_RESPONSE_RESET]: (state, { requestId }: { requestId: string }) =>
      R.mergeDeepRight(state, {
        [requestId]: {
          status: defaultRequest.status,
          error: defaultRequest.error,
          response: defaultRequest.response
        }
      }),
    [actions.AJAX_REQUEST_ABORT]: (state, { requestId }: { requestId: string }) =>
      R.mergeDeepRight(state, {
        [requestId]: {
          status: isRequestAbortable(state[requestId]) ? RequestStatus.ABORTED : state[requestId].status
        }
      })
  },
  {}
);