using System.Diagnostics;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.LowLevel;
using UnityEngine.InputSystem.Utilities;


[StructLayout(LayoutKind.Explicit, Size = kSize)]
internal struct MyControlCommand : IInputDeviceCommandInfo
{
    public static FourCC Type { get { return new FourCC('H', 'I', 'D', 'O'); } }

    internal const int id = 0;
    internal const int kSize = InputDeviceCommand.BaseCommandSize + 2;//HID的接收字节
    [FieldOffset(0)]
    public InputDeviceCommand baseCommand;
    [FieldOffset(InputDeviceCommand.BaseCommandSize)]
    public byte reportId;
    [FieldOffset(InputDeviceCommand.BaseCommandSize + 1)]
    public byte data;

    //Add data here
    public FourCC typeStatic => Type;  // 确保这里返回 FourCC 类型
    public static MyControlCommand Create(byte data)
    {
        return new MyControlCommand
        {
            baseCommand = new InputDeviceCommand(Type, kSize),
            reportId = id,
            data = data
        };
    }

}


public class DeviceTest : MonoBehaviour
{
    private void OnEnable()
    {
        //注册事件处理器
        InputSystem.onEvent += OnInputEvent;
    }

    private void OnDisable()
    {
        //注销事件处理器
        InputSystem.onEvent -= OnInputEvent;
    }

    private void OnInputEvent(InputEventPtr eventPtr, InputDevice device)
    {
        //处理输入事件
        //UnityEngine.Debug.Log($"Input event for device {device}: {eventPtr}");
    }

    void Update()
    {
        var myDevice = InputSystem.GetDevice<CustomHIDDevice>();
        if (myDevice != null)
        {
            if (myDevice.button.isPressed)
            {
                UnityEngine.Debug.Log("Button pressed on Custom HID Device");
            }
            else
            {

            }
        }
        else
        {
            UnityEngine.Debug.Log("Custom HID Device not detected");
        }
    }


    public void OnMouseDown()
    {
        UnityEngine.Debug.Log("click1");
        var myDevice = InputSystem.GetDevice<CustomHIDDevice>();
        //当鼠标点击此对象时触发
        if (myDevice != null)
        {
            UnityEngine.Debug.Log("click2");
            // 构造报告数据
            byte reportData = 0x01; // 示例数据

            //    // 创建并发送报告
            var command = MyControlCommand.Create(reportData);
            myDevice.ExecuteCommand(ref command);

            UnityEngine.Debug.Log("Report sent to ESP32");
        }
    }

}