using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Microsoft.Win32;
using MiniExcelLibs;
using NLog;
using SlnMesnac.RfidUpload.Business;
using SlnMesnac.RfidUpload.Model;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;

namespace SlnMesnac.RfidUpload.UI.viewModel
{
    public class MainWindowViewModel : ViewModelBase
    {
        private readonly Logger logger = LogManager.GetCurrentClassLogger();
        private readonly HandleBusiness _business = HandleBusiness.Instance;
        private readonly SerialPortBusiness _serialPortBusiness = SerialPortBusiness.Instance;
        private ObservableCollection<dynamic> listItems = new ObservableCollection<dynamic>();
        private ObservableCollection<InstructionInfo> labelItems = new ObservableCollection<InstructionInfo>();

        #region 参数定义

        /// <summary>
        /// 标签数量
        /// </summary>
        private int labelCountParam = 0;
        public int LabelCountParam
        {
            get { return labelCountParam; }
            set { labelCountParam = value;RaisePropertyChanged(() => LabelCountParam); }
        }

        private int rfidDeviceStatus = 0;
        public int RfidDeviceStatus
        {
            get { return rfidDeviceStatus; }
            set { rfidDeviceStatus = value; RaisePropertyChanged(nameof(RfidDeviceStatus)); }
        }

        /// <summary>
        /// 日志打印ListBox
        /// </summary>
        private IEnumerable logInfoListBox;
        public IEnumerable LogInfoListBox
        {
            get { return logInfoListBox; }
            set { logInfoListBox = value; RaisePropertyChanged(() => LogInfoListBox); }
        }

        /// <summary>
        /// 标签信息DataGrid
        /// </summary>
        private IEnumerable labelInfoDataGrid;

        public IEnumerable LabelInfoDataGrid
        {
            get { return labelInfoDataGrid; }
            set { labelInfoDataGrid = value; RaisePropertyChanged(() => LabelInfoDataGrid); }

        }
        #endregion

        #region 事件定义

        /// <summary>
        /// 打开串口
        /// </summary>
        public RelayCommand OpenSerialPortCommand { get; set; }

        /// <summary>
        /// 关闭串口
        /// </summary>
        public RelayCommand CloseSerialPortCommand { get; set; }

        /// <summary>
        /// 导出文件
        /// </summary>
        public RelayCommand ExportFilesCommand { get; set; }
        #endregion
        /// <summary>
        /// 清空列表
        /// </summary>
        public RelayCommand EmptyFilesCommand { get; set; }


        public MainWindowViewModel()
        {
            logger.Info("初始化启动");
            EmptyFilesCommand = new RelayCommand(EmptyFiles);
            ExportFilesCommand = new RelayCommand(ExportFiles);
            OpenSerialPortCommand = new RelayCommand(OpenSerialPort);
            CloseSerialPortCommand = new RelayCommand(CloseSerialPort);

            this.Init();
            
        }

        private void Init()
        {
            //加载标签信息
            _business.InstructionInfoDataGridEvent += info =>
            {
                RefreshLabelInfoDataGrid(info);
            };

            //加载解析日志
            _business.RefreshLogMessageEvent += message =>
            {
                logger.Info(message);
                PrintMessageToListBox(message);
            };

            //接收串口数据
            _serialPortBusiness.ReceivedDataEvent += buffer =>
            {
                //粘包数据处理
                List<byte[]> dataPackages = _business.SplitPackets(buffer);

                foreach (byte[] package in dataPackages)
                {
                    _business.LabelHandle(package);
                    LabelCountParam += 1;
                }
            };

            //加载串口通讯日志
            _serialPortBusiness.RefreshLogMessageEvent += message =>
            {
                logger.Info(message);
                PrintMessageToListBox(message);
            };
        }


        /// <summary>
        /// 打开串口通讯
        /// </summary>
        private void OpenSerialPort()
        {
            try
            {
                //LabelTest();
                _serialPortBusiness.Open();
                if (rfidDeviceStatus != 1)
                {
                    RfidDeviceStatus = 1;
                }
            }
            catch (Exception e)
            {
                PrintMessageToListBox($"串口通讯打开异常:{e.Message}");
            }
        }

        /// <summary>
        /// 关闭串口通讯
        /// </summary>
        private void CloseSerialPort()
        {
            try
            {
                _serialPortBusiness.Close();
                if (rfidDeviceStatus != 2)
                {
                    RfidDeviceStatus = 2;
                }
            }
            catch (Exception e)
            {
                PrintMessageToListBox($"串口通讯关闭异常:{e.Message}");
            }
        }

        /// <summary>
        /// 导出文件
        /// </summary>
        private void ExportFiles()
        {
            try
            {
                var info = labelItems.ToList();

                // 创建 SaveFileDialog 对象
                SaveFileDialog saveFileDialog = new SaveFileDialog();
                saveFileDialog.Filter = "Excel文件 (*.xlsx)|*.xlsx|所有文件 (*.*)|*.*";
                saveFileDialog.Title = "保存文件";
                saveFileDialog.FileName = $"标签信息{DateTime.Now.Date:yyyy-MM-dd}.xlsx";

                if (saveFileDialog.ShowDialog() == true)
                {
                    string filePath = saveFileDialog.FileName;
                    MiniExcel.SaveAs(filePath, info);
                    PrintMessageToListBox($"标签数据导出成功:{filePath}");
                    
                }
            }
            catch(Exception ex)
            {
                PrintMessageToListBox($"标签数据导出异常:{ex.Message}");
                logger.Error($"标签数据导出异常", ex);
            }
        }

        /// <summary>
        /// 清空标签信息列表
        /// </summary>
        private void EmptyFiles()
        {
            labelItems.Clear();
            LabelCountParam = 0;
        }

        /// <summary>
        /// 加载标签信息DataGrid
        /// </summary>
        /// <param name="labelInfos"></param>
        private void RefreshLabelInfoDataGrid(InstructionInfo instructionInfo)
        {
            if (instructionInfo == null) return;
            App.Current.Dispatcher.BeginInvoke((Action)(() =>
            {
                labelItems.Add(instructionInfo);

                LabelInfoDataGrid = labelItems;

                LabelCountParam += 1;
            }));
        }

        /// <summary>
        /// listBox绑定日志
        /// </summary>
        /// <param name="message"></param>
        private void PrintMessageToListBox(string message)
        {

            lock (string.Empty)
            {
                try
                {
                    listItems.Add($"{DateTime.Now.ToString("HH:mm:ss")}==>{message}");

                    LogInfoListBox = listItems.OrderByDescending(x => x);
                }
                catch (Exception ex)
                {
                    logger.Error("日志数据绑定异常", ex);
                }
            }
        }

        /// <summary>
        /// 标签解析测试
        /// </summary>
        private void LabelTest()
        {
            // 模拟接收到的粘包数据
            byte[] receivedData = {
                0xAA, 0x55, 0x00, 0x1F, 0x31, 0x03, 0x45, 0x32, 0x30, 0x30, 0x33, 0x30, 0x33, 0x32, 0x37, 0x38, 0x31, 0x30, 0x30, 0x31, 0x35, 0x30, 0x30, 0x35, 0x39, 0x30, 0x44, 0x35, 0x35, 0x36, 0x2C,
                0xAA, 0x55, 0x00, 0x1F, 0x31, 0x03, 0x45, 0x32, 0x30, 0x30, 0x33, 0x30, 0x33, 0x32, 0x37, 0x38, 0x31, 0x30, 0x30, 0x31, 0x35, 0x30, 0x30, 0x35, 0x39, 0x30, 0x44, 0x35, 0x35, 0x36, 0x2C,
                0xAA, 0x55, 0x00, 0x1F, 0x31, 0x03, 0x45, 0x32, 0x30, 0x30, 0x33, 0x30, 0x33, 0x32, 0x37, 0x38, 0x31, 0x30, 0x30, 0x31, 0x35, 0x30, 0x30, 0x35, 0x39, 0x30, 0x44, 0x35, 0x35, 0x36, 0x2C,
                0xAA, 0x55, 0x00, 0x1F, 0x31, 0x03, 0x45, 0x32, 0x30, 0x30, 0x33, 0x30, 0x33, 0x32, 0x37, 0x38, 0x31, 0x30, 0x30, 0x31, 0x35, 0x30, 0x30, 0x35, 0x39, 0x30, 0x44, 0x35, 0x35, 0x36, 0x2C,
                0xAA, 0x55, 0x00, 0x27, 0x31, 0x03, 0x46, 0x43, 0x31, 0x30, 0x30, 0x38, 0x32, 0x30, 0x32, 0x30, 0x30
            };


            //粘包数据的处理
            List<byte[]> dataPackages = _business.SplitPackets(receivedData);

            // 打印处理后的数据包
            foreach (byte[] package in dataPackages)
            {
                _business.LabelHandle(package);
                //LabelCountParam += 1;
            }
        }
    }
}