using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Experimental.VFX;
using UnityEngine.UI;
using UltraCombos.Configuration;
using TUIO;

public class DebugUI : MonoBehaviour
{
    public bool debugMode = true;
    public GameObject debugUI;
    public VisualEffect vfx;
    public GameObject baseEmitter;
    public GameObject target;
    public GameObject emitter;
    public GameObject button;
    public string stat = "wait";

    [Config]
    [Range(0f, 5f)]
    public float Emitter_x = 2.5f;

    [Config]
    [Range(-5f, 0f)]
    public float Target_x = -2.5f;

    [Config]
    [Range(0f, 0.05f)]
    public float growing_speed = 0.008f;

    [Config]
    [Range(0, 5)]
    public int delay_sec = 2;

    [Config]
    [Range(1, 10)]
    public int lifetime = 5;

    float lerp_val;
    Vector3 final_pos;
    bool showObject;
    int cur_blob_count;

    void Start()
    {
        QualitySettings.vSyncCount = 0;
        stat = "wait";
        debugUI.SetActive(debugMode);
        button.GetComponent<Text>().text = stat;
        lerp_val = 0;
        cur_blob_count = 0;
    }

    // Update is called once per frame
    void Update()
    {
        cur_blob_count = TUIOManager.Instance.touches.Count;

        if (button.GetComponentInParent<Button>().interactable)
        {

            if (cur_blob_count == 0 && stat == "completed")
            {
                enterVanish();
            }
            else if (cur_blob_count > 0 && stat == "wait")
            {
                enterGrow();
            }
        }

        updateVFX();

        if (Input.GetKeyDown(KeyCode.F1))
        {
            debugMode = !debugMode;
            debugUI.GetComponent<Canvas>().enabled = debugMode;
            if (debugMode)
            {
                showObject = true;
                setObjectVisible(showObject);
            } else
            {
                showObject = false;
                setObjectVisible(showObject);
            }
        }
        else if (debugMode && Input.GetKeyDown(KeyCode.F2)){
            showObject = !showObject;
            setObjectVisible(showObject);
        }

        if(stat == "growing")
        {
            lerp_val += growing_speed;
            if(lerp_val >= 1)
            {
                lerp_val = 1;
                stat = "completed";
                StartCoroutine("sendCompleted");
                Invoke("setButtonInteractable", delay_sec);
                button.GetComponent<Text>().text = stat;
                Debug.Log(stat);
            }
        }
        else if(stat == "vanishing")
        {
            lerp_val -= growing_speed;
            if(lerp_val <= 0)
            {
                lerp_val = 0;
                stat = "wait";
                Invoke("setButtonInteractable", delay_sec);
                button.GetComponent<Text>().text = stat;
                Debug.Log(stat);
            }
        }

        lerp_val = Mathf.Clamp(lerp_val, 0, 1);
        vfx.SetFloat("Lerp_Val", lerp_val);

        Transform base_trans = baseEmitter.GetComponent<Transform>();
        Transform targ_trans = target.GetComponent<Transform>();
        baseEmitter.transform.position = new Vector3(Emitter_x, 0, 0);
        targ_trans.position = new Vector3(Target_x, 0, 0);
        emitter.GetComponent<Transform>().position = Vector3.Lerp(base_trans.position, targ_trans.position, lerp_val);
    }

    IEnumerator sendCompleted()
    {
        yield return new WaitForSeconds(0.5f);
        vfx.SendEvent("Completed");
    }

    public void switchStat()
    {
        if(stat == "wait")
        {
            enterGrow();
        }
        else if(stat == "completed")
        {
            enterVanish();
        }
        button.GetComponent<Text>().text = stat;
    }

    public void enterGrow()
    {

        setButtonInteractable();
        stat = "growing";
        vfx.SendEvent("Emit");
        vfx.SetBool("isGrowing", true);
        button.GetComponent<Text>().text = stat;
        Debug.Log(stat);
    }

    public void enterVanish()
    {
        setButtonInteractable();
        stat = "vanishing";
        vfx.SetBool("isGrowing", false);
        button.GetComponent<Text>().text = stat;
        Debug.Log(stat);
    }

    private void setObjectVisible(bool isShowed)
    {
        baseEmitter.GetComponent<Renderer>().enabled = isShowed;
        target.GetComponent<Renderer>().enabled = isShowed;
        emitter.GetComponent<Renderer>().enabled = isShowed;
    }

    private void setButtonInteractable()
    {
        bool _stat = button.GetComponentInParent<Button>().interactable;
        button.GetComponentInParent<Button>().interactable = !_stat;
    }

    void updateVFX()
    {
        vfx.SetInt("lifetime", lifetime);
    }
}