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

const initialState = {
  volunteers: [],
  currentVolunteer: null,
  volunteerPoints: [],
  loading: false,
  error: null,
};

const volunteerSlice = createSlice({
  name: 'volunteer',
  initialState,
  reducers: {
    setLoading: (state, action) => {
      state.loading = action.payload;
    },
    setError: (state, action) => {
      state.error = action.payload;
      state.loading = false;
    },
    setVolunteers: (state, action) => {
      state.volunteers = action.payload;
      state.loading = false;
    },
    setCurrentVolunteer: (state, action) => {
      state.currentVolunteer = action.payload;
    },
    setVolunteerPoints: (state, action) => {
      state.volunteerPoints = action.payload;
      state.loading = false;
    },
    addVolunteer: (state, action) => {
      state.volunteers.unshift(action.payload);
    },
    updateVolunteer: (state, action) => {
      const index = state.volunteers.findIndex(volunteer => volunteer.id === action.payload.id);
      if (index !== -1) {
        state.volunteers[index] = action.payload;
      }
    },
    deleteVolunteer: (state, action) => {
      state.volunteers = state.volunteers.filter(volunteer => volunteer.id !== action.payload);
    },
    updateVolunteerPoints: (state, action) => {
      const { volunteerId, points } = action.payload;
      const volunteer = state.volunteers.find(v => v.id === volunteerId);
      if (volunteer) {
        volunteer.totalPoints = points;
      }
    },
  },
});

export const {
  setLoading,
  setError,
  setVolunteers,
  setCurrentVolunteer,
  setVolunteerPoints,
  addVolunteer,
  updateVolunteer,
  deleteVolunteer,
  updateVolunteerPoints,
} = volunteerSlice.actions;

export default volunteerSlice.reducer;