// theme.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 { ThemeActions } from '../actions/theme'
import { getDefaultThemeName } from '../utils'
import { ThemeState, ColorScheme } from '../types'

const initialState: ThemeState = {
    scheme: ColorScheme.Light,
    name: getDefaultThemeName(),
}

const reducer: Reducer<ThemeState, ThemeActions> = (state = initialState, action) => {
    switch (action.type) {
        case 'THEME_SET_THEME': {
            return {
                ...state,
                name: action.payload,
            }
        }
        case 'THEME_SET_COLOR_SCHEME': {
            return {
                ...state,
                scheme: action.payload,
            }
        }
        default:
            return state
    }
}

export default reducer