abstract fun addBattleListener(listener: BattleListener?)

abstract fun removeBattleListener(listener: BattleListener?)

abstract fun requestBattle(
    config: BattleConfig,
    userIDList: List<String>,
    timeout: Int,
    completion: BattleRequestCallback?
)

abstract fun cancelBattleRequest(
    battleID: String?,
    userIDList: List<String>,
    completion: CompletionHandler?
)

abstract fun acceptBattle(
    battleID: String?,
    completion: CompletionHandler?
)

abstract fun rejectBattle(
    battleID: String?,
    completion: CompletionHandler?
)

abstract fun exitBattle(
    battleID: String?,
    completion: CompletionHandler?
)

fun onSuccess(battleInfo: BattleInfo, resultMap: Map<String, Int>)

fun onError(code: Int, desc: String)

// Create store instance
val store = BattleStore.create("live_room_123")

// Subscribe to state changes
lifecycleScope.launch {
    store.battleState.currentBattleInfo.collect { battleInfo ->
        battleInfo?.let {
            println("Current PK ID: ${it.battleID}")
        }
    }
}

// Add PK event listener
store.addBattleListener(object : BattleListener() {
    override fun onBattleStarted(battleInfo: BattleInfo, inviter: SeatUserInfo, invitees: List<SeatUserInfo>) {
        println("PK started, initiator: ${inviter.userName}")
    }
    override fun onBattleEnded(battleInfo: BattleInfo, reason: BattleEndedReason?) {
        println("PK ended, reason: $reason")
    }
})

// Initiate PK request
val config = BattleConfig(duration = 300, needResponse = true)
store.requestBattle(config, listOf("user_456"), 30, object : BattleRequestCallback {
    override fun onSuccess(battleInfo: BattleInfo, resultMap: Map<String, Int>) {
        println("PK request successful: ${battleInfo.battleID}")
    }
    override fun onError(code: Int, desc: String) {
        println("PK request failed: $desc")
    }
})