using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UltraCombos.Configuration;

public class tuio_event : MonoBehaviour
{
    public movieController img;
    public RectTransform canvas;
    
    Dictionary<int, movieController> movies = new Dictionary<int, movieController>();
    Dictionary<int, Vector2> pre_pos = new Dictionary<int, Vector2>();

    [Config]
    public bool VisualizeTouches = false;

    [Config]
    [Range(1, 30)]
    public int frame_gap = 20;

    [Config]
    [Range(50, 300)]
    public int delta_threshold  = 100;

    [Config]
    [Range(128, 1024)]
    public int snow_size = 256;

    [Config]
    [Range(0.01f, 0.1f)]
    public float img_fade_speed = 0.02f;

    [Config]
    [Range(0.01f, 5f)]
    public float img_wait_sec = 2f;

    //[Config]
    //[Range(0f, 1f)]
    //public float audio_volume = 1f;

    void Update()
    {
        GetComponent<touchVisualizer>().enabled = VisualizeTouches;

        var touches = TUIOManager.Instance.touches;
        foreach (var id in touches.Keys)
        {
            movieController movie = null;
            if (movies.ContainsKey(id) == false) // Add
            {
                //Debug.Log("Add");
                GameObject g = Instantiate(img.gameObject, canvas, false);
                g.name = id.ToString();
                movie = g.AddComponent<movieController>();
                movie.fade_speed = img_fade_speed;
                movie.wait_sec = img_wait_sec;
                movie.size = new Vector2(snow_size, snow_size);
                //movie.volume = audio_volume;
                movie.id = id;
                movies.Add(id, movie);
                var rt = movie.transform as RectTransform;
                rt.anchoredPosition = touches[id].position;
                //movie.transform.position = touches[id].position;
                pre_pos[id] = touches[id].position;
            }
            else //update
            {
                movie = movies[id];
               
                if (Time.frameCount % frame_gap == 0)
                {
                    var rt = movie.transform as RectTransform;
                    //rt.anchoredPosition = touches[id].position;
                    float delta_pos = Vector2.Distance(pre_pos[id], rt.anchoredPosition);
                    //Debug.Log(delta_pos);
                    if (delta_pos > delta_threshold)
                    {
                        movie.force_destroy = true;
                        movie.destroy_timer = Time.time;
                        movies.Remove(id);
                    }
                    pre_pos[id] = touches[id].position;
                } 
            }
        }
        var removes = new HashSet<int>();
        foreach (var id in movies.Keys)
        {
            if (touches.ContainsKey(id) == false) // remove
            {               
                removes.Add(id);
            }
        }
        foreach (var id in removes)
        {
            if (movies[id].stat == 2 || movies[id].stat == 3)
            {
                movies[id].stat = 3;
                movies[id].destroy_timer = Time.time;
                movies.Remove(id);
            }
        }
    }
}