package it.vfsfitvnm.vimusic.savers

import androidx.compose.runtime.saveable.Saver
import androidx.compose.runtime.saveable.SaverScope
import it.vfsfitvnm.vimusic.models.DetailedSong

object DetailedSongSaver : Saver<DetailedSong, List<Any?>> {
    override fun SaverScope.save(value: DetailedSong): List<Any?> =
        listOf(
            value.id,
            value.title,
            value.artistsText,
            value.durationText,
            value.thumbnailUrl,
            value.totalPlayTimeMs,
            value.albumId,
            value.artists?.let { with(InfoListSaver) { save(it) } }
        )

    @Suppress("UNCHECKED_CAST")
    override fun restore(value: List<Any?>): DetailedSong? {
        return if (value.size == 8) DetailedSong(
            id = value[0] as String,
            title = value[1] as String,
            artistsText = value[2] as String?,
            durationText = value[3] as String,
            thumbnailUrl = value[4] as String?,
            totalPlayTimeMs = value[5] as Long,
            albumId = value[6] as String?,
            artists = InfoListSaver.restore(value[7] as List<List<String>>)
        ) else null
    }
}