using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI; // 如果您使用的是UGUI

public class SteeringWheelController : MonoBehaviour
{
    public static SteeringWheelController Instance;
    
    public Button[] buttons; 
    private int selectedButtonIndex = 0; // 当前选中的按钮索引
    private bool hasSelected = false; // 是否已经进行了选择

    // 硬件获取的方向盘角度
    private float steeringWheelAngle;

    // 方向盘选择角度阈值和中立阈值
    public float selectionAngleThreshold = 30.0f; // 例如，30度
    public float neutralAngleThreshold = 5.0f; // 方向盘接近中立位置的阈值


    public float testFloatV;


    private void Awake()
    {
        Instance = this;
    }

    void Update()
    {
        // 更新方向盘角度
        UpdateSteeringWheelAngle();

        // 检查方向盘角度并更新选中的按钮
        CheckSteeringWheelAngle();
    }


    public void SSSS()
    {
        testFloatV = 45;
    }

    public void AAAA()
    {
        testFloatV = 0;
    }

    public void BBB()
    {
        testFloatV = -45;
    }

    /// <summary>
    /// 更新方向盘角度
    /// </summary>
    private void UpdateSteeringWheelAngle()
    {
        // 这里需要替换成获取硬件方向盘角度的代码
        steeringWheelAngle = testFloatV;
    }

    /// <summary>
    /// 判断方向盘左边还是右边
    /// </summary>
    private void CheckSteeringWheelAngle()
    {
        if (Mathf.Abs(steeringWheelAngle) < neutralAngleThreshold)
        {
            hasSelected = false;
            return;
        }

        if (!hasSelected)
        {
            if (steeringWheelAngle > selectionAngleThreshold)
            {
                // 向右转动
                SelectNextButton();
                hasSelected = true;
            }
            else if (steeringWheelAngle < -selectionAngleThreshold)
            {
                // 向左转动
                SelectPreviousButton();
                hasSelected = true;
            }
        }
    }

    /// <summary>
    /// 下一个按钮
    /// </summary>
    private void SelectNextButton()
    {
        selectedButtonIndex = (selectedButtonIndex + 1) % buttons.Length;
        Debug.Log("前进" + selectedButtonIndex);
        HighlightButton(selectedButtonIndex);
    }

    /// <summary>
    /// 上一个按钮
    /// </summary>
    private void SelectPreviousButton()
    {
        if (selectedButtonIndex == 0)
            selectedButtonIndex = buttons.Length - 1;
        else
            selectedButtonIndex--;


        Debug.Log("后退" + selectedButtonIndex);
        HighlightButton(selectedButtonIndex);
    }
    
    /// <summary>
    /// 选择按钮变换
    /// </summary>
    /// <param name="index"></param>
    public void HighlightButton(int index)
    {
        
        for (int i = 0; i < buttons.Length; i++)
        {
            if (buttons[i].name ==  buttons[index].name)
            {
                buttons[i].GetComponent<BtClick>().OnClickSprite();
            }
            else
            {
                buttons[i].GetComponent<BtClick>().OnCancel();
            }
        }
    }

    // public void SelectButtonSprite( string btName)
    // {
    //     for (int i = 0; i < buttons.Length; i++)
    //     {
    //         if (buttons[i].name == btName)
    //         {
    //             buttons[i].GetComponent<BtClick>().ClickSp();
    //         }
    //         else
    //         {
    //             buttons[i].GetComponent<BtClick>().Cancel();
    //         }
    //     }
    // }


    public void SelectButton()
    {
        buttons[selectedButtonIndex].GetComponent<Button>().onClick.Invoke();
    }
}