/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

package ca.gosyer.jui.domain.backup.interactor

import ca.gosyer.jui.domain.backup.service.BackupRepository
import kotlinx.coroutines.flow.catch
import kotlinx.coroutines.flow.singleOrNull
import me.tatarka.inject.annotations.Inject
import okio.FileSystem
import okio.Path
import okio.SYSTEM
import org.lighthousegames.logging.logging

@Inject
class ImportBackupFile(
    private val backupRepository: BackupRepository,
) {
    suspend fun await(
        file: Path,
        onError: suspend (Throwable) -> Unit = {},
    ) = asFlow(file)
        .catch {
            onError(it)
            log.warn(it) { "Failed to import backup ${file.name}" }
        }
        .singleOrNull()

    fun asFlow(file: Path) = backupRepository.restoreBackup(FileSystem.SYSTEM.source(file))

    companion object {
        private val log = logging()
    }
}
