using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.SceneManagement;
using HTC.UnityPlugin.Vive;

public class PlayerControl : MonoBehaviour {
    //左右扳机键
    public UnityEvent leftTriggerClick;
    public UnityEvent rightTriggerClick;
    //左手换武器用
    public UnityEvent upPadClick;
    public UnityEvent downPadClick;
    public UnityEvent leftPadClick;
    public UnityEvent rightPadClick;
    //右手行走,这里不定义新的右手Pad键了

    //左右手指针相关
    public GameObject leftPointer;
    public GameObject rightPointer;

    //是否处于暂停状态
    private bool isPause;
    private bool isOpenLeftHandWeapon;

    //武器切换判定
    private float padTouchX_;
    private float padTouchY_;
    public GameObject LeftHandWeapon_;
    public GameObject[] RightHandWeapons_;
    public GameObject Weapon_;
    public GameObject Needle_;

    //教学模式上锁
    public bool lockChange;

    //治疗针相关
    public int needleHpRemain;

    //盾牌恢复相关
    public int shieldRecover;
    public bool endRecoverShield;

	// Use this for initialization
	void Start () {
        upPadClick.AddListener(Padup);
        downPadClick.AddListener(PadDown);
        leftPadClick.AddListener(PadLeft);
        rightPadClick.AddListener(PadRight);
        isPause = false;
        isOpenLeftHandWeapon = false;
        //治疗针冷却
        StartCoroutine(addHpAction());
        //StartCoroutine(addShieldRecover());
        lockChange = false;
    }
	
	// Update is called once per frame
	void Update () {
        //
        if (ViveInput.GetPressDown(HandRole.LeftHand,ControllerButton.Trigger)) {
            leftTriggerClick.Invoke();
        }
        if (ViveInput.GetPressDown(HandRole.RightHand, ControllerButton.Trigger))
        {
            rightTriggerClick.Invoke();
        }

        //游戏暂停
        if (ViveInput.GetPressDown(HandRole.RightHand, ControllerButton.Menu) && !isPause) {
            isPause = true;
            Time.timeScale = 0.0f;
        }
        if (ViveInput.GetPressDown(HandRole.LeftHand, ControllerButton.Menu) && isPause)
        {
            isPause = false;
            Time.timeScale = 1.0f;
        }

        //武器切换
        if (ViveInput.GetPressDown(HandRole.LeftHand, ControllerButton.Pad) && !lockChange) {
            padTouchX_ = ViveInput.GetPadAxis(HandRole.LeftHand, false).x;
            padTouchY_ = ViveInput.GetPadAxis(HandRole.LeftHand, false).y;
            if (padTouchY_ > padTouchX_ && padTouchY_> -padTouchX_)
            {
                upPadClick.Invoke();
            }
            if (padTouchY_ > padTouchX_ && padTouchY_ < -padTouchX_)
            {
                leftPadClick.Invoke();
            }
            if (padTouchY_ < padTouchX_ && padTouchY_ > -padTouchX_)
            {
                rightPadClick.Invoke();
            }
            if (padTouchY_ < padTouchX_ && padTouchY_ < -padTouchX_)
            {
                downPadClick.Invoke();
            }
        }
        if (ViveInput.GetPressDown(HandRole.RightHand, ControllerButton.Grip)) {
            GripRight();
        }

    }

    public void ReturnMainMenu() {
        SceneManager.LoadScene(0);
    }

    private void Padup() {
        RightHandWeapons_[0].SetActive(true);
        RightHandWeapons_[1].SetActive(false);
        RightHandWeapons_[2].SetActive(false);
    }

    private void PadDown() {
        if (!isOpenLeftHandWeapon)
        {
            LeftHandWeapon_.SetActive(true);
            isOpenLeftHandWeapon = true;
        }
        else {
            LeftHandWeapon_.SetActive(false);
            isOpenLeftHandWeapon = false;
        }
            
        
    }

    private void PadLeft() {
        RightHandWeapons_[0].SetActive(false);
        RightHandWeapons_[1].SetActive(true);
        RightHandWeapons_[2].SetActive(false);
    }

    private void PadRight() {
        RightHandWeapons_[0].SetActive(false);
        RightHandWeapons_[1].SetActive(false);
        RightHandWeapons_[2].SetActive(true);
    }

    private void GripRight() {
        if (Weapon_.activeSelf)
        {
            Needle_.SetActive(true);
            Weapon_.SetActive(false);
        }
        else {
            Weapon_.SetActive(true);
            Needle_.SetActive(false);
        }
    }

    public void padUpPublic() {
        Padup();
    }

    public void gripRightPublic() {
        GripRight();
    }

    //缓慢恢复治疗针数值的协程
    IEnumerator addHpAction()
    {
        while (true)
        {
            if (needleHpRemain < 30)
            {
                needleHpRemain += 1;
            }
            yield return new WaitForSeconds(1.0f);
        }
    }

    //缓慢恢复盾牌数值的协程
    IEnumerator addShieldRecover() {
        while (true)
        {
            if (shieldRecover < 30)
            {
                shieldRecover += 1;
            }
            if (endRecoverShield) {
                break;
            }
            yield return new WaitForSeconds(1.0f);
        }
        endRecoverShield = false;
    }
    public void startRecoverShield() {
        StartCoroutine(addShieldRecover());
    }
    public void stopRecoverShield() {
        endRecoverShield = true;
    }
}