using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data.SqlTypes;
using System.IO.Ports;
using System.Text;
using System.Threading;
//using UnityEditor.PackageManager.UI;
using UnityEngine;
using UnityThreadingUtils;
using ZXKFramework;

public class SensorManager : MonoBehaviour /*MonoSingleton<SensorManager>*/
{
    public enum DataType
    {
        字符串,
        字节流,
    }
    #region 串口参数,主要修改串口名与波特率
    [Header("串口名")]
    public string portName = "COM10";
    [Header("波特率")]
    public int baudRate = 115200;
    [Header("奇偶校验")]
    private Parity parity = Parity.None;
    [Header("数据位")]
    private int dataBits = 8;
    [Header("停止位")]
    private StopBits stopBits = StopBits.One;
    SerialPort sp = null;
    Thread dataReceiveThread;
    [Header("接收数据格式")]
    public DataType dataType;
    #endregion
    private Dictionary<string, Sensor> allSensor = new Dictionary<string, Sensor>();
    StringBuilder sb = new StringBuilder();
    private void Start()
    {
        sp = new SerialPort(portName, baudRate, parity, dataBits, stopBits);
        foreach (Sensor s in GetComponentsInChildren<Sensor>())
        {
            allSensor.TryAdd(s.GetType().Name, s);
        }
        switch (dataType)
        {
            case DataType.字节流:
                dataReceiveThread = new Thread(new ThreadStart(DataReceiveBytesThread));
                break;
            case DataType.字符串:
                dataReceiveThread = new Thread(new ThreadStart(DataReceiveStrThread));
                break;
        }
        OpenPort();
    }
    /// <summary>
    /// 接收字节流
    /// </summary>
    private void DataReceiveBytesThread()
    {
        while (true)
        {
            if (sp != null && sp.IsOpen)
            {
                try
                {
                    if (sp.BytesToRead > 0)
                    {
                        byte[] buffer = new byte[sp.BytesToRead];
                        sp.Read(buffer, 0, sp.BytesToRead);
                        string receivedData = Encoding.Default.GetString(buffer);
                        //Debug.Log(receivedData);
                        UnityMainThreadDispatcher.Instance().Enqueue(() =>
                        {
                            foreach (var s in allSensor)
                            {
                                s.Value.ReceiveData(receivedData);
                            }
                        });
                    }
                }
                catch (Exception)
                {
                    Debug.Log("消息接收失败");
                }
            }
            Thread.Sleep(20);
        }
    }

    /// <summary>
    /// 接收字符串
    /// </summary>
    private void DataReceiveStrThread()
    {
        while (true)
        {
            if (sp != null && sp.IsOpen)
            {
                try
                {
                    if (sp.BytesToRead > 0)
                    {
                        sb.Append(sp.ReadExisting());
                        //this.ColorLog(GDLog.LogColorState.Blue, sp.ReadLine());
                        UnityMainThreadDispatcher.Instance().Enqueue(() =>
                        {
                            foreach (var s in allSensor)
                            {
                                s.Value.ReceiveData(sb.ToString());
                            }
                            sb.Clear();
                        });
                    }
                }
                catch (Exception)
                {
                    Debug.Log("消息接收失败");
                }
            }
            Thread.Sleep(20);
        }
    }
    /// <summary>
    /// 发送消息
    /// </summary>
    /// <param name="dataSend"></param>
    public void SendFunction(string str)
    {
        try
        {
            byte[] dataSend = Encoding.ASCII.GetBytes(str);
            if (sp != null && sp.IsOpen)
            {
                if (dataSend != null && dataSend.Length > 0)
                {
                    sp.Write(dataSend, 0, dataSend.Length);
                    Debug.Log("发送消息成功：" + str);
                }
            }
        }
        catch (Exception)
        {
            Debug.Log("发送消息失败：" + str);
        }
    }
    //获取指定传感器
    public T GetSensor<T>() where T : Sensor
    {
        try
        {
            string name = typeof(T).Name;
            if (!allSensor.ContainsKey(name))
            {
                allSensor.TryAdd(name, GetComponentInChildren<T>());
                allSensor[name].Init(this);
            }
            //Debug.Log("传感器获取成功");
            return allSensor[name] as T;
        }
        catch (Exception)
        {
            Debug.Log("传感器获取失败");
            return null;
        }
    }
    #region 串口开启关闭相关
    //打开串口
    public void OpenPort()
    {
        try
        {
            if (!sp.IsOpen)
            {
                sp.Open();
                dataReceiveThread.Start();
                Debug.Log("串口打开成功");
            }
        }
        catch (Exception)
        {
            Debug.Log("串口打开失败");
        }
    }

    //关闭串口
    public void ClosePort()
    {
        try
        {
            sp.Close();
            dataReceiveThread.Abort();
            Debug.Log("串口关闭");
        }
        catch (Exception)
        {
            Debug.Log("串口关闭失败");
        }
    }
    #endregion

    #region Unity 退出相关
    private void OnApplicationQuit()
    {
        ClosePort();
    }
    private void OnDisable()
    {
        this.Log("为什么关闭了：" + gameObject.name);
        ClosePort();
    }
    #endregion
}