using MV485.model;
using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Management;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace MV485.helper
{
    //串口工具类
    public class SerialHelper
    {

        public static string[] BaudRates = new string[] {
            "115200", "57600","56000", "38400", "19200","14400", "9600", "4800", "2400", "1200", "600", "300", "110"
        };

        public static List<SPortModel> GetSerialPortsWithDetails()
        {
            List<SPortModel> ports = new List<SPortModel>();

            using (var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE Name LIKE '%(COM%'"))
            {
                foreach (ManagementObject obj in searcher.Get())
                {
                    string name = obj["Name"]?.ToString() ?? "未知设备"; // 获取完整设备名称

                    string port = ExtractCOMPort(name); // 提取 COM 端口号
                    if (!string.IsNullOrEmpty(port))
                    {
                        string cleanName = CleanDeviceName(name); // 清理设备名称
                        ports.Add(new SPortModel(port, cleanName));
                    }
                }
            }
            return ports;
        }

        private static string ExtractCOMPort(string name)
        {
            // 处理标准格式: "USB Serial Port (COM6)"
            Match match = Regex.Match(name, @"\(COM\d+");
            if (match.Success)
            {
                return match.Value.Trim('(', ')'); // 提取 COM 端口号
            }

            // 处理虚拟串口: "Electronic Team Virtual Serial Port (COM1->COM2)"
            match = Regex.Match(name, @"\(COM\d+->COM\d+\)");
            if (match.Success)
            {
                Match firstPortMatch = Regex.Match(match.Value, @"COM\d+");
                if (firstPortMatch.Success)
                {
                    return firstPortMatch.Value; // 只返回第一个端口 COM1
                }
            }

            return string.Empty;
        }

        private static string CleanDeviceName(string name)
        {
            // 移除所有带 COMx 的部分，包括 (COMx) 和 (COMx->COMy)
            return Regex.Replace(name, @"\s*\(COM\d+.*?\)", "").Trim();
        }

        //public static List<SPortModel> GetSerialPortsWithDetails()
        //{
        //    List<SPortModel> ports = new List<SPortModel>();

        //    using (var searcher = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE Name LIKE '%(COM%'"))
        //    {
        //        foreach (ManagementObject obj in searcher.Get())
        //        {
        //            string name = obj["Name"]?.ToString() ?? "未知设备"; // 设备名称
        //            string cleanName = Regex.Replace(name, @"\(\w+\)", "").Trim();
        //            string port = ExtractCOMPort(name); // 提取 COM 端口号

        //            if (!string.IsNullOrEmpty(port))
        //            {
        //                ports.Add(new SPortModel(port, cleanName));
        //            }
        //        }
        //    }
        //    return ports;
        //}

        //static string ExtractCOMPort(string deviceName)
        //{
        //    int start = deviceName.IndexOf("(COM");
        //    if (start >= 0)
        //    {
        //        int end = deviceName.IndexOf(")", start);
        //        if (end > start)
        //        {
        //            return deviceName.Substring(start + 1, end - start - 1); // 获取 "COMX"
        //        }
        //    }
        //    return null;
        //}

        //----直接获取串口名称
        public static string[] GetSerialPortNames()
        {
            string[] ports = SerialPort.GetPortNames();

            if (ports.Length == 0)
            {
                Console.WriteLine("未找到可用的串口设备。");
            }
            else
            {
                Console.WriteLine("可用的串口设备：");
                foreach (string port in ports)
                {
                    Console.WriteLine(port);
                }
            }

            return ports;
        }

    }
}