package com.suno.android.media.player

import androidx.media3.common.Player
import com.suno.android.common_core_utils.SunoLogger
import kotlin.reflect.KProperty

class SharedPlayer(
    loggerFactory: SunoLogger.Factory,
    private val playerFactory: PlayerFactory,
) {
    private val logger = loggerFactory.create(this@SharedPlayer)
    private var playerInstance: ReleaseOverridePlayer? = null

    fun getInstance(): Player {
        playerInstance?.let { return it }
        return ReleaseOverridePlayer(
            player = playerFactory.create(),
            onRelease = { this.releaseInstance() },
        ).also {
            logger.d { "Created SharedPlayer: ${it.hashCode()}" }
            playerInstance = it
        }
    }

    operator fun getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): Player = getInstance()

    fun releaseInstance() {
        playerInstance?.releaseInternal()
        playerInstance = null
    }
}

private class ReleaseOverridePlayer(
    private val player: Player,
    private val onRelease: () -> Unit,
) : Player by player {
    override fun release() {
        onRelease.invoke()
    }

    fun releaseInternal() {
        player.release()
    }
}