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

public class tuio_event : MonoBehaviour
{
#if true
    public GameObject img;
    public Transform canvas;
    //public UltraCombos.GlobalMKHookInput tuio_input;
    Dictionary<int, movieController> movies = new Dictionary<int, movieController>();
    void Update()
    {
        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, canvas);
                g.name = id.ToString();
                movie = g.AddComponent<movieController>();
                movie.id = id;
                movies.Add(id, movie);
                movie.transform.position = touches[id].position;
            }
            else //update
            {
                movie = movies[id];
            }
            //update or after adding
            //Debug.Log("Update");
            //movie.transform.position = touches[id].position;
        }
        var removes = new HashSet<int>();
        foreach (var id in movies.Keys)
        {
            if (touches.ContainsKey(id) == false) // remove
            {               
                //Destroy(movies[id].gameObject);
                //movies.Remove(id);
                removes.Add(id);
            }
        }
        foreach (var id in removes)
        {
            if (movies[id].stat == 2)
            {
                movies[id].stat = 3;
                movies[id].destroy_timer = Time.time;
                movies.Remove(id);
                Debug.Log("Remove");
            }
            //movies[id].destroy_timer = Time.time;
        }
            //movies.Remove(id);
    }
#else
    // Start is called before the first frame update
    public GameObject img;
    public GameObject canvas;
    public UltraCombos.GlobalMKHookInput tuio_input;

    List<int> cur_ids = new List<int>();
    List<int> pre_ids = new List<int>();

    int pre_count;
    int cur_count;

    void Start()
    {
        cur_count = 0;
    }

    void Update()
    {
        reset_id();
        pre_count = cur_count;
        pre_ids.Clear();
        cur_ids.ForEach(i => pre_ids.Add(i));
       
        cur_count = tuio_input.touchCount;
        cur_ids.Clear();

        for (int i = 0; i < cur_count; i++)
        {
            cur_ids.Add(tuio_input.GetTouch(i).fingerId);
        }
        
        if (cur_count > pre_count) // Add
        {
            //Debug.Log("Add");
            for (int i = 0; i < cur_count; i++)
            {
                int f_id = tuio_input.GetTouch(i).fingerId;
                bool isOldTouch = pre_ids.Contains(f_id);
                if (isOldTouch == false)
                {
                    GameObject g = Instantiate(img, canvas.GetComponent<Transform>());
                    g.name = f_id.ToString();
                    //g.GetComponent<movieController>().id = i;
                }
            }
        }
        else if (cur_count < pre_count) // Remove
        {
            //Debug.Log("Remove"); 
            int exit_id;
            for (int i = 0; i < pre_count; i++)
            {
                int _id = pre_ids[i];
                bool isExitTouch = !cur_ids.Contains(_id);
                if (isExitTouch)
                {
                    exit_id = _id;
                    //GameObject.Find(_id.ToString()).GetComponent<movieController>().stat = 2;
                    Destroy(GameObject.Find(_id.ToString()));
                }
            }    
        }
        reset_id();
    }
    
    void reset_id()
    {
        GameObject[] objs = GameObject.FindGameObjectsWithTag("onFoot");
        //Debug.Log(objs.Length);
        for (int i = 0; i < objs.Length; i++)
        {
            objs[i].GetComponent<movieController>().id = i - 1;
            Debug.Log(objs[i].name + " / id = " + objs[i].GetComponent<movieController>().id.ToString());
        }
    }
#endif
}