/*
 * Copyright (c) 2025 Meshtastic LLC
 *
 * 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.geeksville.mesh.repository.api

import com.geeksville.mesh.database.dao.FirmwareReleaseDao
import com.geeksville.mesh.database.entity.FirmwareReleaseEntity
import com.geeksville.mesh.database.entity.FirmwareReleaseType
import com.geeksville.mesh.database.entity.asDeviceVersion
import com.geeksville.mesh.database.entity.asEntity
import com.geeksville.mesh.network.model.NetworkFirmwareRelease
import dagger.Lazy
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import javax.inject.Inject

class FirmwareReleaseLocalDataSource @Inject constructor(
    private val firmwareReleaseDaoLazy: Lazy<FirmwareReleaseDao>
) {
    private val firmwareReleaseDao by lazy {
        firmwareReleaseDaoLazy.get()
    }

    suspend fun insertFirmwareReleases(
        firmwareReleases: List<NetworkFirmwareRelease>,
        releaseType: FirmwareReleaseType
    ) =
        withContext(Dispatchers.IO) {
            if (firmwareReleases.isNotEmpty()) {
                firmwareReleaseDao.deleteAll()
                firmwareReleases.forEach { firmwareRelease ->
                    firmwareReleaseDao.insert(firmwareRelease.asEntity(releaseType))
                }
            }
        }

    suspend fun deleteAllFirmwareReleases() = withContext(Dispatchers.IO) {
        firmwareReleaseDao.deleteAll()
    }

    suspend fun getLatestRelease(releaseType: FirmwareReleaseType): FirmwareReleaseEntity? =
        withContext(Dispatchers.IO) {
            val releases = firmwareReleaseDao.getReleasesByType(releaseType)
            if (releases.isEmpty()) {
                return@withContext null
            } else {
                val latestRelease =
                    releases.maxBy { it.asDeviceVersion() }
                return@withContext latestRelease
            }
        }
}
