using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System.Collections.Generic;
using System;
namespace Kill.UI.Components
{
    public class PlayFlash : MonoBehaviour
    {
        public bool testPlay;
        public bool isplayFlash = false;
        public float fps = 25.0f;
        public Sprite[] flashTextures;
        public bool loop;
        public bool playonce;
        public bool useDelay;
        public bool useTimeControl = false;
        public float PlayTime;
        public bool hideWhenOver = false;
        public GameObject[] overHideObjs;

        private float hasplaytime = 0;
        private float time = 0;
        private int currentIndex = 0;
        public bool isplaying = false;
        public Sprite defaultSprite = null;

        Action callback = null;
        private void Start()
        {
            if (testPlay)
                Play();
        }
        void FixedUpdate()
        {
            if (isplaying)
            {
                time += Time.deltaTime;
                hasplaytime += Time.deltaTime;
                if (isplayFlash)
                {
                    gameObject.GetComponent<Image>().sprite = flashTextures[currentIndex];
                    if (time >= 1.0f / fps)
                    {
                        time = 0;
                        currentIndex++;
                        if (currentIndex >= flashTextures.Length)
                        {
                            if (!loop)
                            {
                                isplaying = false;
                                currentIndex = 0;
                                if (playonce)
                                {
                                    isplayFlash = false;

                                }
                                if (hideWhenOver)
                                {
                                    if (overHideObjs != null && overHideObjs.Length > 0)
                                    {
                                        foreach (GameObject g in overHideObjs)
                                            g.SetActive(false);
                                    }
                                    else
                                    {
                                        gameObject.GetComponent<Image>().enabled = false;
                                    }

                                }
                                if (defaultSprite != null)
                                {
                                    gameObject.GetComponent<Image>().sprite = defaultSprite;
                                }

                                callback?.Invoke();
                            }
                            else
                                currentIndex = 0;
                        }
                    }
                }
                if (useTimeControl && hasplaytime >= PlayTime)
                {
                    isplaying = false;
                    hasplaytime = 0;


                    gameObject.GetComponent<Image>().enabled = false;

                }

            }
        }
        bool hasdelay = false;
        public void Play(Action cb = null)
        {
            gameObject.SetActive(true);
            gameObject.GetComponent<Image>().enabled = true;
            callback = cb;
            if (useDelay && !hasdelay)
            {
                StartCoroutine(PlayDelay());
                return;
            }
            hasdelay = false;



            isplaying = true;
            //Debug.Log("Play");
        }
        public void Stop()
        {
            // Debug.Log("stopPlay");
            if (isplayFlash)
            {
                //gameObject.GetComponent<Image>().enabled=false;
                isplaying = false;
                //currentIndex = 0;
                //gameObject.GetComponent<Image>().sprite=flashTextures[0];
            }
            if (hideWhenOver)
            {
                if (overHideObjs != null && overHideObjs.Length > 0)
                {
                    foreach (GameObject g in overHideObjs)
                        g.SetActive(false);
                }
                else
                {
                    gameObject.SetActive(false);
                }

            }
            if (defaultSprite != null)
            {
                gameObject.GetComponent<Image>().sprite = defaultSprite;
            }
            //gameObject.SetActive = false;
        }
        public IEnumerator PlayDelay()
        {
            yield return new WaitForSeconds(PlayTime);
            hasdelay = true;
            Play();
        }
    }
}