using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MQTTnet.Client;
using Prism.Events;
using Prism.Regions;
using RIZO_Application.Core;
using RIZO_Application.Core.Mvvm;
using RIZO_Application.Infrastructure.Model;
using RIZO_Helper.Tools;

namespace RIZO_Application.Modules.Base.ViewModels
{
    public class ScanControlViewModel : RegionViewModelBase
    {
        private readonly IEventAggregator _eventAggregator;
        private ComScanHelper _scanHelper;




        public ScanControlViewModel(
            IRegionManager regionManager,
            IEventAggregator eventAggregator) 
            : base(regionManager)
        {
            _eventAggregator = eventAggregator;
            Task.Run(StartComScan);
        }
        public async Task StartComScan()
        {
            string comName = "COM1";
            int baudRate = 9600;
            if (SerialConfigs.Current != null)
            {
                comName = SerialConfigs.Current.ComName ?? string.Empty;
                baudRate = SerialConfigs.Current.BaudRate ?? 9600;
            }
            _eventAggregator.GetEvent<SystemLogEvent>().Publish($"串口扫码枪初始化……串口：{comName}波特率：{baudRate}");
            _scanHelper = new ComScanHelper(comName, baudRate);
            if(_scanHelper == null)
            {
                Debug.WriteLine("串口打开异常！");
                return;
            }
            _scanHelper.DataReceived += HandleMessage;
            await _scanHelper.OpenAsync();
            _eventAggregator.GetEvent<SystemLogEvent>().Publish($"串口扫码初始化完成");
        }
        // 定义事件处理方法
        public void HandleMessage(string labelCode)
        {
            // 打印接收到的消息信息
            _eventAggregator.GetEvent<SystemLogEvent>().Publish($"收到串口信息:{labelCode}");
            _eventAggregator.GetEvent<ScanEvent>().Publish(labelCode);
        }
    }
}