import { Promotion } from '@interfaces';
import { getAllOffersThunk } from './thunk';
import { createReducer } from '@reduxjs/toolkit';

export interface OfferState {
  offers: Promotion[];
  isLoading: boolean;
  error: string | null;
}
const initialState: OfferState = {
  offers: [],
  isLoading: false,
  error: null,
};

export const offerReducer = createReducer(initialState, builder => {
  builder
    .addCase(getAllOffersThunk.fulfilled, (state, action) => {
      state.offers = action.payload?.promotions;
      state.isLoading = false;
    })
    .addCase(getAllOffersThunk.pending, state => {
      state.isLoading = true;
    })
    .addCase(getAllOffersThunk.rejected, (state, action) => {
      state.isLoading = false;
      state.error = action.payload as string;
    });
});