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

public class Controller : MonoBehaviour {
    private bool CanMove = false; //假若没有选好运动模式之前都是禁止运动的
    private bool interact;
   

    private float time = 3f;  //计时用变量，表示视线停留在phone图标上应该超过3秒后才能开始视选
    private float time2 = 0;//画布的淡入淡出效果所用时间
    public GameObject Player; //表示玩家
    public GameObject Canvas; //表示画布

   
  
	// Use this for initialization
	void Start () {
   
    
	}
	
	// Update is called once per frame
	void Update () {
        if (!CanMove)
        {
            if(time2 < 3)
            {
                time2 += Time.deltaTime;
                Canvas.GetComponent<CanvasGroup>().alpha = time2;
            }
            //进行ui交互的代码
            SelectUI();
            EyePick();
            if (time < 0)  //视选代码
            {
                Player.GetComponent<EyePick>().enabled = true;
                SelectEyePick();
                Invoke("Stay", 5f);
            }
        }
        else   //开始移动的时候关掉画布
        {
            time2 -= Time.deltaTime;
            Canvas.GetComponent<CanvasGroup>().alpha = time2;
            if(time2 < 0)
            {
                Canvas.SetActive(false);
                this.gameObject.SetActive(false);
            }
     
        }
	}

    void SelectUI()
    {
        String currentButton = "";
        var values = Enum.GetValues(typeof(KeyCode));//存储所有的按键
        for (int x = 0; x < values.Length; x++)
        {
            if (Input.GetKeyDown((KeyCode)values.GetValue(x)))  //当获得一个键值输入的时候
            {
                currentButton = values.GetValue(x).ToString();//遍历并获取当前按下的按键
                if (currentButton == "Mouse0")  //按下的是触屏按钮
                {
                    Player.GetComponent<ScreenInput>().enabled = true;
                    SelectTouch();
                    Invoke("Stay", 3f);
                }
                if(currentButton == "Joystick1Button0") //按下的是蓝牙的确认键
                {
                    Player.GetComponent<BluethoothInput>().enabled = true;
                    SelectBluetooth();
                    Invoke("Stay", 3f);
                }
            }
        }
    }

    void Stay()
    {
        
        Player.transform.FindChild("Dive_Camera").FindChild("Canvas").FindChild("Background3").gameObject.SetActive(true);
        CanMove = true;
    }

    void EyePick()
    {
        Ray ray = Camera.main.ScreenPointToRay(new Vector3(Screen.width / 2, Screen.height / 2, 0));
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit))
        {
            if (hit.collider.name == "Eye") //判断碰撞物体的名字,这里是表示可以被交互的物体
            {
                time -= Time.deltaTime;
               
            }
            else   //不可以被交互的物体
            {
                time = 3f;
            }

        }
        else  //没有碰撞体的物体
        {
            time = 3f;
        }
    }

    void SelectTouch()  //选择触屏模式代码
    {
        Text text1 = Canvas.transform.FindChild("BackGround").FindChild("Touch").FindChild("Text").
            GetComponent<Text>();
        text1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);
        Text text2 = Canvas.transform.FindChild("BackGround").FindChild("TitleText").GetComponent<Text>();
        text2.text = String.Format("已经选择触屏模式");
        Image img1 = Canvas.transform.FindChild("BackGround").FindChild("Touch").
            GetComponent<Image>();
        img1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);
        Canvas.transform.FindChild("BackGround").FindChild("Touch").FindChild("Image").gameObject.SetActive(true);
    }

    void SelectBluetooth()
    {
        Text text1 = Canvas.transform.FindChild("BackGround").FindChild("Bluetooth").FindChild("Text").
            GetComponent<Text>();
        text1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);

        Image img1 = Canvas.transform.FindChild("BackGround").FindChild("Bluetooth").
            GetComponent<Image>();
        img1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);

        Canvas.transform.FindChild("BackGround").FindChild("Bluetooth").FindChild("Image").gameObject.SetActive(true);

        Text text2 = Canvas.transform.FindChild("BackGround").FindChild("TitleText").GetComponent<Text>();
        text2.text = String.Format("已经选择蓝牙模式");
    }

    void SelectEyePick()
    {
        Text text1 = Canvas.transform.FindChild("BackGround").FindChild("Eye").FindChild("Text").
     GetComponent<Text>();
        text1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);

        Image img1 = Canvas.transform.FindChild("BackGround").FindChild("Eye").
            GetComponent<Image>();
        img1.color = new Color(118f / 256f, 255f / 256f, 147f / 256f, 256f / 256f);

        Canvas.transform.FindChild("BackGround").FindChild("Eye").FindChild("Image").gameObject.SetActive(true);

        Text text2 = Canvas.transform.FindChild("BackGround").FindChild("TitleText").GetComponent<Text>();
        text2.text = String.Format("已经选择视选模式");
    }

}