// requests.ts
// Copyright (C) 2020  Dwayne Harris

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

import { Reducer } from 'redux'

import { RequestsActions } from '../actions/requests'
import { RequestsState } from '../types'

const initialState: RequestsState = {}

const reducer: Reducer<RequestsState, RequestsActions> = (state = initialState, action) => {
    switch (action.type) {
        case 'REQUESTS_START_REQUEST': {
            const request = state[action.payload.id] ?? { id: action.payload.id }

            return {
                ...state,
                [action.payload.id]: {
                    ...request,
                    fetching: true,
                    succeeded: false,
                    started: Date.now(),
                },
            }
        }
        case 'REQUESTS_FINISH_REQUEST': {
            const request = state[action.payload.id]
            if (!request) return state
            
            return {
                ...state,
                [action.payload.id]: {
                    ...request,
                    fetching: false,
                    succeeded: action.payload.succeeded,
                },
            }
        }
        default:
            return state
    }
}

export default reducer