import {produce} from 'immer';

export interface ValidationResult {
  status: 'success' | 'pending' | 'failure';
  resultCode?: 'valid' | 'products_limit_reached' | 'no_products';
}

export interface State {
  validationResults: { [correlationId: string]: ValidationResult };
}

const initialState: State = {
  validationResults: {}
};

export const producer = (draft: State, action: Action) => {
  switch(action.type) {
    case 'LOAD_VALIDATION_RESULT':
      draft.validationResults[action.payload.correlationId] = {
        resultCode: null,
        status: 'pending'
      };
      break;
    case 'LOAD_VALIDATION_RESULT_SUCCESS':
      draft.validationResults[action.payload.correlationId] = {
        resultCode: action.payload.resultCode,
        status: 'success'
      };
      break;
    case 'LOAD_VALIDATION_RESULT_FAILURE':
      draft.validationResults[action.payload.correlationId] = {
        resultCode: null,
        status: 'failure'
      };
      break;
  }

  return draft;
};

export const reducer = produce(producer, initialState);