/*
 * Unitto is a unit converter for Android
 * Copyright (c) 2022-2024 Elshan Agaev
 *
 * 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/>.
 */

package com.sadellie.unitto.data.userprefs

import android.content.Context
import androidx.datastore.core.DataStore
import androidx.datastore.core.handlers.ReplaceFileCorruptionHandler
import androidx.datastore.preferences.core.PreferenceDataStoreFactory
import androidx.datastore.preferences.core.Preferences
import androidx.datastore.preferences.core.emptyPreferences
import androidx.datastore.preferences.preferencesDataStoreFile
import com.sadellie.unitto.data.model.repository.UserPreferencesRepository
import dagger.Module
import dagger.Provides
import dagger.hilt.InstallIn
import dagger.hilt.android.qualifiers.ApplicationContext
import dagger.hilt.components.SingletonComponent
import javax.inject.Singleton

// DON'T TOUCH!!!
const val USER_PREFERENCES = "settings"

/**
 * This module is for DataStore dependency injection
 */
@Module
@InstallIn(SingletonComponent::class)
class DataStoreModule {
    /**
     * Tells Hilt to use this method to get [DataStore]
     *
     * @param appContext
     * @return Singleton of [DataStore]
     */
    @Provides
    @Singleton
    fun provideUserPreferencesDataStore(@ApplicationContext appContext: Context): DataStore<Preferences> {
        return PreferenceDataStoreFactory.create(
            corruptionHandler = ReplaceFileCorruptionHandler { emptyPreferences() },
            produceFile = { appContext.preferencesDataStoreFile(USER_PREFERENCES) }
        )
    }

    @Provides
    fun provideUserPreferencesRepository(dataStore: DataStore<Preferences>): UserPreferencesRepository {
        return UserPreferencesRepositoryImpl(dataStore)
    }
}
