using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Video;
using UnityEngine.UI;
using UnityEngine.EventSystems;

namespace SDK{

    public class VideoSlider : PointerHandler
    {

        public VideoPlayer vidoPlayer;
        public Slider slider;
        bool isDown = false;

        // Start is called before the first frame update
        void Start()
        {
        }

        // Update is called once per frame
        void Update()
        {
            if (slider && vidoPlayer && isDown == false)
            {
                slider.value = float.Parse(vidoPlayer.frame.ToString()) / float.Parse(vidoPlayer.frameCount.ToString());
            }
        }

        void sliderChanged(float per)
        {
            if (slider && vidoPlayer)
            {
                float targetFrame = vidoPlayer.frameCount * per;
                vidoPlayer.frame = (long)targetFrame;
            }
        }

        public override void OnPointerDown(PointerEventData eventData)
        {
            base.OnPointerDown(eventData);
            isDown = true;
        }

        public override void OnPointerUp(PointerEventData eventData)
        {
            base.OnPointerUp(eventData);
            sliderChanged(slider.value);
            isDown = false;
        }
    }
}