using SerialPortUtility;
using System;
using System.Collections.Generic;
using UnityEngine;

public class ArrowSerialPort : MonoBehaviour
{
    private SerialPortUtilityPro serialPortUtility;
    private SerialPortUtilityPro.OpenSystem openMode = SerialPortUtilityPro.OpenSystem.PCI;
    private int baudrate = 115200;
    //private int baudrate = 921600;
    //private int baudrate = 460800;
    private string PortName = "/dev/ttyS0";
    private static Dictionary<string, int> _isInit = new();
    public bool testMode = true;

    private void Awake()
    {
        if (!_isInit.TryGetValue(gameObject.name, out int instanceID) && instanceID == 0)
        {
            DontDestroyOnLoad(gameObject);
            Init();
        }
    }

    private void LOG(string msg, bool warning = false)
    {
        if (!warning)
            Debug.Log($"<color=#00FF00>{msg}</color>");
        else
            Debug.LogWarning($"<color=#00FF00>{msg}</color>");
    }

    private void Init()
    {
        _isInit[gameObject.name] = GetInstanceID();

#if UNITY_ANDROID && !UNITY_EDITOR
        serialPortUtility = gameObject.GetComponent<SerialPortUtilityPro>();
        serialPortUtility.OpenMethod = openMode;
        serialPortUtility.DeviceName = PortName;
        serialPortUtility.BaudRate = baudrate;
        serialPortUtility.StopBit = SerialPortUtilityPro.StopBitEnum.OneBit;
        serialPortUtility.DataBit = SerialPortUtilityPro.DataBitEnum.EightBit;
        serialPortUtility.SystemEventObject.AddListener(SystemEventObject);
        TrySerialOpenPort();
#endif
#if UNITY_EDITOR
        if (testMode)
        {
            var testBoard = Resources.Load<GameObject>("SerialPortTest");
            GameObject.Instantiate(testBoard);
        }
#endif
    }

    private void TrySerialOpenPort()
    {
        serialPortUtility?.Open();
    }

    private void SystemEventObject(SerialPortUtilityPro arg0, string msg)
    {
        if (msg.Equals("OPEN_ERROR") || msg.Equals("PERMISSION_ERROR"))//串口开启失败 定时重试
        {
#if UNITY_ANDROID && !UNITY_EDITOR
            Invoke("TrySerialOpenPort", 1f);
#endif
            // LOG($"{PortName} 串口打开失败 重试中", true);
        }
        else if (msg.Equals("OPENED"))
        {
            SerialPortHelper.ins.OnConnect(arg0.DeviceName);
            //应用启动 间隔十秒请求一次设备信息
            CancelInvoke("RequestDeviceIno");
            InvokeRepeating("RequestDeviceIno", 0f, 10f);
            //LOG($"{PortName} 串口打开成功！");
            ////激光默认打开
            //RequestLightState(true);
        }
        else if (msg.Equals("CLOSED"))//串口断开
        {
            SerialPortHelper.ins.OnDisConnect(arg0.DeviceName);
            LOG($"{PortName} 串口关闭！");
        }
    }

    private void OnDestroy()
    {
        if (_isInit.TryGetValue(gameObject.name, out var instanceID) && instanceID == GetInstanceID())
        {
            LOG($"{PortName} 串口关闭");
            SerialPortHelper.ins.OnDisConnect(serialPortUtility?.DeviceName);
            serialPortUtility?.Close();
            _isInit.Remove(gameObject.name);
        }
    }

    /// <summary>
    /// 串口读取二进制流数据（界面挂载调用）
    /// </summary>
    /// <param name="data"></param>
    public void ReadStreamingBinary(object data)
    {
        var realData = new List<byte>();
        var tempData = data as byte[];
        for (int i = 0; i < tempData.Length; i++)
        {
            realData.Add(tempData[i]);
            if (tempData.Length > i + 1)
            {
                if (tempData[i + 1] == 0XAA) //多条消息 粘包位置
                {
                    //把上一条发送
                    PhraseData(realData.ToArray());
                    realData.Clear();
                }
            }
            else
                PhraseData(realData.ToArray());
        }
    }

    public void TestRead(byte[] bytes)
    {
        ReadStreamingBinary(bytes);
    }

    /// <summary>
    /// 解析串口数据
    /// </summary>
    /// <param name="bytes"></param>
    private void PhraseData(byte[] bytes)
    {
        string msg = string.Empty;
        for (int i = 0; i < bytes.Length; i++)
        {
            msg += bytes[i].ToString("x2") + " ";
        }
        // 获取当前时间
        DateTime currentTime = DateTime.Now;
        LOG($"{PortName} 收到串口信息  msg={msg}！,接收时间：" + currentTime.ToString("yyyy-MM-dd HH:mm:ss.fff"));
        if (bytes[0] == 0xAA)
        {
            var cmdID = bytes[1];
            switch (cmdID)
            {
                case 0x80://设备信息响应
                    OnDeviceInfoBack(bytes);
                    break;
                case 0x81://射击消息
                    if (CommonConfig.bDisableBluetooth) {
                        // 获取当前时间
                        DateTime currentTime1 = DateTime.Now;
                        // 打印带毫秒的时间戳
                        Debug.Log("射箭前：CurrentTime1: " + currentTime1.ToString("yyyy-MM-dd HH:mm:ss.fff"));
                        //3 - APP在收到射箭消息后，立即回复相同的内容给设备端；
                        serialPortUtility?.Write(bytes);
                        DateTime currentTime3 = DateTime.Now;
                        // 打印带毫秒的时间戳
                        Debug.Log("*** 回复相同的内容给设备端 CurrentTime3: " + currentTime3.ToString("yyyy-MM-dd HH:mm:ss.fff"));
                    }

                    OnDeviceShoot(bytes);

                    if (CommonConfig.bDisableBluetooth) 
                    {
                        // 获取当前时间
                        DateTime currentTime2 = DateTime.Now;
                        // 打印带毫秒的时间戳
                        Debug.Log("射箭后：CurrentTime2: " + currentTime2.ToString("yyyy-MM-dd HH:mm:ss.fff"));
                    }
                    break;
                case 0x82://按键消息
                    OnDeviceButton(bytes);
                    break;
                case 0x83://激光控制
                    OnLightChange(bytes);
                    break;
                case 0x84://弹夹消息（仅手枪）
                    OnMagazinesInfo(bytes);
                    break;
            }
        }
        else 
        {
            if (CommonConfig.bDisableBluetooth) {
                //byte[] bytes = new byte[] { 0x0A, 0x00, 0x00, 0x00, // 1st timestamp
                //                           0x0B, 0x00, 0x00, 0x00, // 2nd timestamp
                //                           0x00, 0x01, 0x00, 0x00  // 3rd timestamp
                //};
                if (bytes.Length == 12)
                {
                    // 解析并转换时间戳
                    for (int i = 0; i < bytes.Length; i += 4)
                    {
                        // 提取 4 字节的时间戳
                        uint timestamp = BitConverter.ToUInt32(bytes, i);

                        // 转换为毫秒（单位是 100us）
                        float timeInMilliseconds = timestamp * 0.1f;

                        // 打印转换结果
                        Debug.Log($"Timestamp (U32): {timestamp} => Time: {timeInMilliseconds} ms");
                    }
                }
            }
            
        }
    }

    bool lightWaitClose = false;
    public void DelayCloseLight()
    {
        if (!lightWaitClose && hasOnceInceCoin)
        {
            LOG("游戏时间结束 延迟关闭激光");
            Invoke("DoDelayCloseLight", 60f);
            lightWaitClose = true;
        }
    }

    public void CancelDelayCloseLight()
    {
        LOG("关闭延迟关闭激光");
        lightWaitClose = false;
        CancelInvoke("DoDelayCloseLight");
    }

    private void DoDelayCloseLight()
    {
        RequestLightState(false);
    }

    //是否有过首次投币 没投币过 不关闭摄像头
    bool hasOnceInceCoin = false;
    #region APP请求
    // 异或校验内容：命令+长度+数据内容
    /// <summary>
    /// 设置激光状态
    /// </summary>
    public void RequestLightState(bool on, bool insertCoin = false)
    {
        if (insertCoin)
            hasOnceInceCoin = true;
        List<byte> data = new List<byte>();
        data.Add(0xAA);//起始码
        data.Add(0x83);//命令号
        data.Add(0x06);//长度
        data.Add((byte)(on ? 0x01 : 0x00));//长度
        byte temp = 0;
        for (int i = 1; i < data.Count; i++)
        {
            temp ^= data[i];
        }
        data.Add(temp);//异或校验
        data.Add(0x55);//结束码
        serialPortUtility?.Write(data.ToArray());
        LOG($"设置激光状态:{on}！");

        OnLightChange(data.ToArray());
    }

    /// <summary>
    /// app请求设备信息
    /// </summary>
    public void RequestDeviceIno()
    {
        List<byte> data = new List<byte>();
        data.Add(0xAA);//起始码
        data.Add(0x80);//命令号
        data.Add(0x05);//长度
        data.Add(0x85);//异或校验
        data.Add(0x55);//结束码
        serialPortUtility?.Write(data.ToArray());
        Debug.Log("发送心跳包");
        DevicesHolder.ins?.ShowConnectTip();
    }
    #endregion

    #region 返回消息处理
    /// <summary>
    /// 弹夹消息
    /// </summary>
    /// <param name="bytes"></param>
    private void OnMagazinesInfo(byte[] bytes)
    {
        Debug.Log($"{PortName} 收到弹夹消息！");
        SerialPortHelper.ins.OnMagazineChange(bytes);
    }

    private void OnLightChange(byte[] bytes)// 0xAA 0x83 0x06 0x01 0x84 0x55
    {
        lightWaitClose = false;
        Debug.Log($"{PortName} 激光状态变更回包！");
        var isOn = bytes[3] == 0x01;
        UserSettings.ins.lightState = isOn;
    }

    /// <summary>
    /// 设备信息响应
    /// </summary>
    private void OnDeviceInfoBack(byte[] bytes)// 0xAA 0x80 0x07 0x01 0x01 0x89 0x5D
    {
        Debug.Log($"{PortName} 收到设备信息响应！");
        var check = bytes[1] + bytes[2] + bytes[3] + bytes[4];//校验：命令+长度+数据内容
        if (HomeView.ins == null) {
            return;
        }
        //0x01 HOUYI Pro
        //0x02 ARTEMIS Pro
        //0x03 Pistol 1
        var deviceType = bytes[3];//设备类型
        Debug.Log("设备类型 Device Type: " + deviceType);
        switch (deviceType)
        {
            case 0x01:
                UserSettings.ins.selectDevicesName = "HOUYI Pro";
                DevicesHolder.ins.SwitchDeviceByType(AimDeviceType.HOUYIPRO);
                break;
            case 0x02:

                UserSettings.ins.selectDevicesName = "ARTEMIS Pro";
                DevicesHolder.ins.SwitchDeviceByType(AimDeviceType.ARTEMISPRO);
                break;
            case 0x03:
                UserSettings.ins.selectDevicesName = "Pistol M9";
                DevicesHolder.ins.SwitchDeviceByType(AimDeviceType.Gun);
                break;
        }
        UserSettings.ins.Save();
        //刷新界面
        var setting = FindAnyObjectByType<CustomUIView.BoxUserSettings>();
        setting?.FlushDeviceSelect();
    }

    /// <summary>
    /// 射击消息
    /// </summary>
    private void OnDeviceShoot(byte[] bytes)
    {
        LOG($"{PortName} 收到设备射击消息！");

        var check = bytes[1] + bytes[2] + bytes[3] + bytes[4];//校验：命令+长度+数据内容
                                                              //if (check != bytes[5])
                                                              //{
                                                              //    LOG("OnDeviceShoot 数据校验错误!");
                                                              //}else
        SerialPortHelper.shoot?.Invoke(bytes);
    }

    /// <summary>
    /// 按键消息
    /// </summary>
    /// <param name="bytes"></param>
    private void OnDeviceButton(byte[] bytes)
    {
        Debug.Log($"{PortName} 收到设备按键消息！");
        var check = bytes[1] + bytes[2] + bytes[3];
        //校验：命令+长度+数据内容
        //if (check != bytes[4])
        //{
        //    LOG("OnDeviceButton 数据校验错误!");
        //}
        //else

        if (string.IsNullOrEmpty(UserSettings.ins.selectDevicesName))
            //开机
            RequestDeviceIno();
        SerialPortHelper.aim?.Invoke(bytes);
    }

    #endregion
}