using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

namespace MyFrameworkPure
{
    /// <summary>
    /// 时间计数器
    /// </summary>
    public class TimeCounter : MonoBehaviour
    {
        private float counter;
        private float duration;
        private UnityAction updateCall;
        public UnityAction endCall;

        public static TimeCounter CreateTimeCounter(float duration, UnityAction updateCall, UnityAction endCall)
        {
            GameObject go = new GameObject("TimeCounter");
            TimeCounter timeCounter = go.AddComponent<TimeCounter>();
            timeCounter.duration = duration;
            timeCounter.updateCall = updateCall;
            timeCounter.endCall = endCall;
            return timeCounter;
        }

        public static void StopAll()
        {
            TimeCounter[] counters = GameObject.FindObjectsOfType<TimeCounter>();
            counters.ForEach(x => x.Stop());
        }
        // Use this for initialization
        void Start()
        {

        }

        // Update is called once per frame
        void Update()
        {
            counter += Time.deltaTime;
            if (counter > duration)
            {
                if (endCall != null) endCall();
                Destroy(gameObject);
            }
            else
            {
                if (updateCall != null) updateCall();
            }
        }

        public void Stop()
        {
            Destroy(gameObject);
        }
    }

    public class TimeCounterSqueue
    {
        public UnityAction onComplete;
        private Queue<TimeCounter> queue = new Queue<TimeCounter>();
        public void Add(params TimeCounter[] timeCounters)
        {
            foreach (var timeCounter in timeCounters)
            {
                timeCounter.gameObject.SetActive(false);
                timeCounter.endCall += ExecuteNext;
                queue.Enqueue(timeCounter);
            }
        }

        public void Start()
        {
            ExecuteNext();
        }

        void ExecuteNext()
        {
            if (queue.Count == 0)
            {
                if (onComplete != null)
                    onComplete();
                return;
            }
            TimeCounter timeCounter = queue.Dequeue();
            timeCounter.gameObject.SetActive(true);
        }

        public static void StopAll()
        {
            TimeCounter.StopAll();
        }
    }
}