using UnityEngine;
using Cysharp.Threading.Tasks;
using System.Threading;
using System;
using System.Collections.Concurrent;

public class ReplicasPlayer : MonoBehaviour
{
    [SerializeField] float delay = 0.5f;

    private bool initialized = false;
    private ConcurrentQueue<Replica> replicas;

    public void Init()
    {
        if (initialized)
        {
            Debug.LogWarning("Попытка повторной инициализации системы", this);
            return;
        }

        replicas = new ConcurrentQueue<Replica>();
        var token = this.GetCancellationTokenOnDestroy();
        Process(token).Forget();


        initialized = true;
    }

    public void EnqueueReplica(Replica replica)
    {
        if (!initialized) return;

        var handledReplica = replica;
        if (handledReplica.clip == null) return;

        if (UnityEngine.Random.Range(0f, 1f) >= handledReplica.probability)
            return;

        if (handledReplica.playParallel)
        {
            Debug.Log("исполняю");
            SoundManager.PlayReplica(handledReplica.clip);
            return;
        }

        handledReplica.creationTime = Time.time;
        replicas.Enqueue(handledReplica);
    }

    public void EnqueueReplica(ReplicasSequence replicas) => EnqueueReplica(replicas.GetRandomReplica());

    private async UniTask Process(CancellationToken token)
    {
        while (!token.IsCancellationRequested)
        {
            if (replicas.TryDequeue(out Replica replica))
            {
                bool replicaIsFresh = Time.time - replica.creationTime <= replica.lifetime;
                if (replicaIsFresh)
                {
                    SoundManager.PlayReplica(replica.clip);
                    await UniTask.Delay(TimeSpan.FromSeconds(replica.clip.length + delay), cancellationToken: token);
                    continue;
                }
            }

            await UniTask.Yield();
        }
    }

    
}