package code.name.monkey.retromusic.db

import androidx.lifecycle.LiveData
import androidx.room.*

@Dao
interface HistoryDao {
    companion object {
        private const val HISTORY_LIMIT = 100
    }

    @Insert(onConflict = OnConflictStrategy.REPLACE)
    suspend fun insertSongInHistory(historyEntity: HistoryEntity)

    @Query("SELECT * FROM HistoryEntity WHERE id = :songId LIMIT 1")
    suspend fun isSongPresentInHistory(songId: Long): HistoryEntity?

    @Update
    suspend fun updateHistorySong(historyEntity: HistoryEntity)

    @Query("SELECT * FROM HistoryEntity ORDER BY time_played DESC LIMIT $HISTORY_LIMIT")
    fun historySongs(): List<HistoryEntity>

    @Query("SELECT * FROM HistoryEntity ORDER BY time_played DESC LIMIT $HISTORY_LIMIT")
    fun observableHistorySongs(): LiveData<List<HistoryEntity>>
}