import { createSlice } from '@reduxjs/toolkit';

const initialState = {
  overview: {
    totalVolunteers: 0,
    totalPoints: 0,
    totalActivities: 0,
    totalRegistrations: 0,
    pointsTimeList: [],
    volTimeList: [],
    typeList: [],
    distributionList: [],
  },
  trends: {
    pointsTrend: [],
    activityTrend: [],
    registrationTrend: [],
  },
  reports: [],
  loading: false,
  error: null,
};

const statisticsSlice = createSlice({
  name: 'statistics',
  initialState,
  reducers: {
    setLoading: (state, action) => {
      state.loading = action.payload;
    },
    setError: (state, action) => {
      state.error = action.payload;
      state.loading = false;
    },
    setOverview: (state, action) => {
      state.overview = action.payload;
      state.loading = false;
    },
    setTrends: (state, action) => {
      state.trends = action.payload;
      state.loading = false;
    },
    setReports: (state, action) => {
      state.reports = action.payload;
      state.loading = false;
    },
    updateOverview: (state, action) => {
      state.overview = { ...state.overview, ...action.payload };
    },
  },
});

export const {
  setLoading,
  setError,
  setOverview,
  setTrends,
  setReports,
  updateOverview,
} = statisticsSlice.actions;

export default statisticsSlice.reducer;