using System.Collections;
using System.Collections.Generic;
using Unity.XR.PXR;
using UnityEngine;
using UnityEngine.XR;
using static Unity.XR.PXR.PXR_Input;

public class MRInput : MonoBehaviour
{
    public static MRInput Ins { get; private set; }

    private InputDevice _leftHandDevice;
    private InputDevice _rightHandDevice;

#if UNITY_EDITOR
    [UnityEngine.DisplayOnly]
#endif
    public bool pressLeftTrigger = false;

    private bool _lastPressLeftTrigger = false;
    private List<System.Action> _clickLeftTriggerhandlers = new List<System.Action>();

#if UNITY_EDITOR
    [UnityEngine.DisplayOnly]
#endif
    public bool holdPressLeftTrigger = false;

    private List<System.Action> _holdPressLeftTriggerhandlers = new List<System.Action>();


#if UNITY_EDITOR
    [UnityEngine.DisplayOnly]
#endif
    public bool pressRightTrigger = false;

    private bool _lastPressRightTrigger = false;
    private List<System.Action> _clickRightTriggerhandlers = new List<System.Action>();

#if UNITY_EDITOR
    [UnityEngine.DisplayOnly]
#endif
    public bool holdPressRightTrigger = false;

    private List<System.Action> _holdPressRightTriggerhandlers = new List<System.Action>();

    void Start()
    {
        Ins = this;
#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        _leftHandDevice = InputDevices.GetDeviceAtXRNode(XRNode.LeftHand);
        _rightHandDevice = InputDevices.GetDeviceAtXRNode(XRNode.RightHand);
#endif
    }

    /// <summary>
    /// 注册点击左trigger事件
    /// </summary>
    public void RegisterClickLeftTrigger(System.Action handler)
    {
        _clickLeftTriggerhandlers.Add(handler);
    }

    /// <summary>
    /// 注册点击左trigger持续点击事件
    /// </summary>
    public void RegisterHoldPressLeftTrigger(System.Action handler)
    {
        _holdPressLeftTriggerhandlers.Add(handler);
    }

    /// <summary>
    /// 注册点击右trigger事件
    /// </summary>
    public void RegisterClickRrightTrigger(System.Action handler)
    {
        _clickRightTriggerhandlers.Add(handler);
    }

    /// <summary>
    /// 注册点击右trigger持续点击事件
    /// </summary>
    public void RegisterHoldPressRightTrigger(System.Action handler)
    {
        _holdPressRightTriggerhandlers.Add(handler);
    }

    /// <summary>
    /// 注销持续点击右trigger事件
    /// </summary>
    public void UnregisterHoldPressRightTrigger(System.Action handler)
    {
        if (_holdPressRightTriggerhandlers.Contains(handler))
            _holdPressRightTriggerhandlers.Remove(handler);
    }

    /// <summary>
    /// 震动左手控制器
    /// </summary>
    public void VibrateLeftController(float amplitude, int duration, int frequency = 150)
    {
#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        PXR_Input.SendHapticImpulse(VibrateType.LeftController, amplitude, duration, frequency);
#endif
    }

    /// <summary>
    /// 震动右手控制器
    /// </summary>
    public void VibrateRightController(float amplitude, int duration, int frequency = 150)
    {

#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        PXR_Input.SendHapticImpulse(VibrateType.RightController, amplitude, duration, frequency);
#endif
    }

    void Update()
    {
        if (GameLocal.Ins.self == null || GameLocal.Ins.self.isDie)
            return;
        if (GameManager.Ins == null || !GameManager.Ins.isStart)
            return;
#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        if (_leftHandDevice != null)
        {
            bool isTrigger = false;
            _leftHandDevice.TryGetFeatureValue(CommonUsages.triggerButton, out isTrigger);
            pressLeftTrigger = isTrigger;
            if (!_lastPressLeftTrigger && pressLeftTrigger)
            {
                for (int i = 0; i < _clickLeftTriggerhandlers.Count; i++)
                {
                    _clickLeftTriggerhandlers[i].Invoke();
                }
            }
            _lastPressLeftTrigger = isTrigger;

            holdPressLeftTrigger = isTrigger;
            if (holdPressLeftTrigger)
            {
                for (int i = 0; i < _holdPressLeftTriggerhandlers.Count; i++)
                {
                    _holdPressLeftTriggerhandlers[i].Invoke();
                }
            }
        }

        if (_rightHandDevice != null)
        {
            bool isTrigger = false;
            _rightHandDevice.TryGetFeatureValue(CommonUsages.triggerButton, out isTrigger);
            pressRightTrigger = isTrigger;
            if (!_lastPressRightTrigger && pressRightTrigger)
            {
                for (int i = 0; i < _clickRightTriggerhandlers.Count; i++)
                {
                    _clickRightTriggerhandlers[i].Invoke();
                }
            }
            _lastPressRightTrigger = isTrigger;

            holdPressRightTrigger = isTrigger;
            if (holdPressRightTrigger)
            {
                for (int i = 0; i < _holdPressRightTriggerhandlers.Count; i++)
                {
                    _holdPressRightTriggerhandlers[i].Invoke();
                }
            }
        }

#elif UNITY_EDITOR
        pressLeftTrigger = Input.GetKey(KeyCode.Alpha1) ? true : false;
        if (Input.GetKeyDown(KeyCode.Alpha1))
        {
            for (int i = 0; i < _clickLeftTriggerhandlers.Count; i++)
            {
                _clickLeftTriggerhandlers[i].Invoke();
            }
        }
        else if (Input.GetKey(KeyCode.Alpha1))
        {
            for (int i = 0; i < _holdPressLeftTriggerhandlers.Count; i++)
            {
                _holdPressLeftTriggerhandlers[i].Invoke();
            }
        }

        pressRightTrigger = Input.GetKey(KeyCode.Alpha2) ? true : false;
        if (Input.GetKeyDown(KeyCode.Alpha2))
        {
            for (int i = 0; i < _clickRightTriggerhandlers.Count; i++)
            {
                _clickRightTriggerhandlers[i].Invoke();
            }
        }
        else if (Input.GetKey(KeyCode.Alpha2))
        {
            for (int i = 0; i < _holdPressRightTriggerhandlers.Count; i++)
            {
                _holdPressRightTriggerhandlers[i].Invoke();
            }
        }
#endif
    }
}