/*
 * GameLibraryProviderRegistry.kt
 *
 * Copyright (C) 2017 Retrograde Project
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

package com.codebutler.retrograde.lib.storage

import android.content.Context
import android.content.SharedPreferences
import com.codebutler.retrograde.lib.library.db.entity.Game

class StorageProviderRegistry(context: Context, val providers: Set<StorageProvider>) {

    companion object {
        const val PREF_NAME = "storage_providers"
    }

    private val providersByScheme = mapOf(*providers.map { provider ->
        provider.uriSchemes.map { scheme ->
            scheme to provider
        }
    }.flatten().toTypedArray())

    private val prefs: SharedPreferences = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)

    val enabledProviders: Iterable<StorageProvider>
        get() = providers.filter { prefs.getBoolean(it.id, it.enabledByDefault) }

    fun getProvider(game: Game) = providersByScheme[game.fileUri.scheme]!!
}
