using MesAdaptor;
using Microsoft.Win32;
using ST_CUBE_MES.Service;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace ST_CUBE_MES
{
    /// <summary>
    /// MainWindow.xaml 的互動邏輯
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            Title = Title + string.Format(" V{0}", Assembly.GetEntryAssembly().GetName().Version);

            this.stlinkService = new STLinkCliPrograrmService(
                AppSettingService.Instance.STCubeCliPath,
                AppSettingService.Instance.Port,
                AppSettingService.Instance.CustomDefaultOptions
                );
            this.fileRrecordService = new FileRrecordService();
            //this.loginWindow = new LoginWindow();
            this.resultDialog = new ResultDialog();

            Loaded += MainWindow_Loaded;
            KeyDown += MainWindow_KeyDown;
        }

        private delegate void GenericDelegate();
        //private readonly LoginWindow loginWindow;
        private ResultDialog resultDialog;
        private readonly STLinkCliPrograrmService stlinkService;
        private readonly FileRrecordService fileRrecordService;

        public string UserId { get; internal set; }
        public string WorkOrder { get; internal set; }

        protected override void OnClosing(CancelEventArgs e)
        {
            base.OnClosing(e);

            var currentSetting = AppSettingService.Instance;
            var setting = new AppSetting()
            {
                LOCK = currentSetting.LOCK,
                MES = currentSetting.MES,
                MechineCode = currentSetting.MechineCode,
                BinPath = uxBinFilePath.Text,
                STCubeCliPath = currentSetting.STCubeCliPath,
                Port = currentSetting.Port,
                CustomDefaultOptions = currentSetting.CustomDefaultOptions,
            };
            currentSetting.Save(setting);
        }

        private void MainWindow_Loaded(object sender, RoutedEventArgs e)
        {
            var stopResult = SajetConnect.SajetTransStart();

            //loginWindow.Owner = this;
            resultDialog.Owner = this;

            //Reset();

            uxBinFilePath.Text = AppSettingService.Instance.BinPath;
            if (string.IsNullOrEmpty(AppSettingService.Instance.STCubeCliPath))
            {
                MessageBox.Show("STCubeCliPath should not be empty");
            }

            if (AppSettingService.Instance.LOCK)
            {
                uxBinFilePath.IsEnabled = false;
                uxBinFileBtn.IsEnabled = false;
            }

            uxSN.Focus();
        }

        private async void MainWindow_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key != Key.Enter)
            {
                return;
            }

            await StartRun();
        }

        private void uxBinFileBtn_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog dlg = new OpenFileDialog();
            var dlgRsult = dlg.ShowDialog();

            if (dlgRsult != true)
            {
                return;
            }

            uxBinFilePath.Text = dlg.FileName;
        }

        private async void uxRunBtn_Click(object sender, RoutedEventArgs e)
        {
            await StartRun();
        }

        private async Task StartRun()
        {
            if (uxRunBtn.IsEnabled == false)
            {
                return;
            }

            uxRunBtn.IsEnabled = false;
            try
            {
                uxTerminal.Document.Blocks.Clear();

                if (string.IsNullOrEmpty(uxSN.Text))
                {
                    AddTerminalMsg("ERROR: SN Should not be empty");
                    return;
                }

                if (!ValidateSN())
                {
                    return;
                }

                string filePath = uxBinFilePath.Text;
                if (!File.Exists(filePath))
                {
                    AddTerminalMsg("ERROR: Program file not found");
                    return;
                }

                string cliPath = stlinkService.CliPath;
                if (!File.Exists(filePath))
                {
                    AddTerminalMsg("ERROR: STM32_Programmer_CLI not found");
                    return;
                }

                fileRrecordService.Start(uxSN.Text);
                var task = new Task(() =>
                {
                    //GenericDelegate porgramFunc;
                    //porgramFunc = () =>
                    //{
                    //    StartProgram(filePath);
                    //};
                    //this.Dispatcher.BeginInvoke(porgramFunc);
                    StartProgram(filePath);
                });
                task.Start();
                await task;
            }
            catch (Exception error)
            {
                MessageBox.Show(error.Message);
            }
            finally
            {
                uxRunBtn.IsEnabled = true;
            }
        }

        private void StartProgram(string filePath)
        {
            UpdateProgressBar(0, 100);

            stlinkService.OnMsgReceviced += StlinkService_OnMsgReceviced;
            stlinkService.OnProgressChanged += StlinkService_OnProgressChanged;

            var result = stlinkService.StartProgramProcess(filePath);

            stlinkService.OnMsgReceviced -= StlinkService_OnMsgReceviced;
            stlinkService.OnProgressChanged -= StlinkService_OnProgressChanged;

            if (result is null)
            {
                //report empty error
                SajetConnect.SajetTranFinishFail(MesErrorCode.ProgramFail);
                return;
            }

            if (!string.IsNullOrEmpty(result.ErrorMsg))
            {
                fileRrecordService.Log(result.ErrorMsg);
                AddTerminalMsg(result.ErrorMsg);
            }

            var reportDatas = new ValueReportDatas();
            foreach (var logData in result.Data)
            {
                reportDatas.Add(logData.Key, logData.Value, true);
            }
            this.Dispatcher.Invoke(() => {
                SajetConnect.SajetTransReport(reportDatas);
            });

            if (!result.IsSuccess)
            {
                var errCode = GetErrorCode(result.Step);
                //report
                this.Dispatcher.Invoke(() => {
                    SajetConnect.SajetTranFinishFail(errCode);


                    resultDialog = new ResultDialog();
                    resultDialog.Owner = this;

                    resultDialog.OnAnyInput += ResultDialog_OnAnyInput;
                    resultDialog.ShowResult(false);
                });
            }

            if (result.IsSuccess)
            {
                //report
                this.Dispatcher.Invoke(() => {
                    SajetConnect.SajetTranFinishSuccess();


                    resultDialog = new ResultDialog();
                    resultDialog.Owner = this;

                    resultDialog.OnAnyInput += ResultDialog_OnAnyInput;
                    resultDialog.ShowResult(true);
                });
            }

            fileRrecordService.Complete();
        }

        private MesErrorCode GetErrorCode(int step)
        {
            switch (step)
            {
                case 0:
                    return MesErrorCode.None;
                case 1:
                    return MesErrorCode.SetOptionFail;
                case 2:
                    return MesErrorCode.EraseFail;
                case 3:
                    return MesErrorCode.ProgramFail;
                case 4:
                    return MesErrorCode.GetCheckSumFail;
                default:
                    return MesErrorCode.None;
            }
        }

        private void ResultDialog_OnAnyInput(object sender, EventArgs e)
        {
            CloseResultDialog();
        }

        private void CloseResultDialog()
        {
            resultDialog.OnAnyInput -= ResultDialog_OnAnyInput;
            resultDialog.Close();
            //this.Close();

            if (resultDialog.IsSuccess)
            {
                uxSN.Text = string.Empty;
            }
        }

        private void ResultDialog_Closing(object sender, CancelEventArgs e)
        {
            resultDialog.Closing -= ResultDialog_Closing;
            //this.Close();
        }

        private bool ValidateSN()
        {
            string tmpSN;
            bool bResult = false;
            tmpSN = string.Format("{0}", uxSN.Text);

            var mesSetting = AppSettingService.Instance.MES.ToLower();
            if (mesSetting == "php" || mesSetting == "shinewave")
            {
                bResult = SajetConnect.SajetTransSnCheck(ref tmpSN);
                if (!bResult)
                {
                    MessageBox.Show("SN not found");
                }
                return bResult;
            }
            else if (mesSetting == "phv" || mesSetting == "sajet2")
            {
                bResult = SajetConnect.SajetTransSnCheck(ref tmpSN, "");
                if (!bResult)
                {
                    MessageBox.Show("SN not found");
                }
                return bResult;
            }
            else if (mesSetting == "test")
            {
                return true;
            }

            MessageBox.Show("Not supported MES");
            return false;
        }

        private void StlinkService_OnProgressChanged(int currentStep, int maxStep)
        {
            UpdateProgressBar(currentStep, maxStep);
        }

        private void StlinkService_OnMsgReceviced(string msg)
        {
            AddTerminalMsg(msg);
            fileRrecordService.Log(msg);
        }

        private void AddTerminalMsg(string msg)
        {
            GenericDelegate onMsgReceviced;
            onMsgReceviced = () =>
            {
                var paragraph = new Paragraph();
                paragraph.Inlines.Add(GetRun(msg));
                uxTerminal.Document.Blocks.Add(paragraph);
                uxTerminal.ScrollToEnd();
            };

            this.Dispatcher.BeginInvoke(onMsgReceviced);
        }

        private void UpdateProgressBar(int currentStep, int maxStep)
        {
            GenericDelegate onUpdateProgressBar;
            onUpdateProgressBar = () =>
            {
                uxProgressBar.Maximum = maxStep;
                uxProgressBar.Value = currentStep;
            };

            this.Dispatcher.BeginInvoke(onUpdateProgressBar);
        }

        private Run GetRun(string msg)
        {
            if (msg is null)
            {
                msg = "";
            }

            Color textColor = Colors.White;
            if (msg.StartsWith("ERROR:") ||
                msg == "Unable to connect to ST-LINK!")
            {
                textColor = Colors.Red;
            }
            if (msg == "Programming Complete." ||
                msg == "No difference found." ||
                msg == "MCU Reset." ||
                msg.StartsWith("checksum:"))
            {
                textColor = Colors.LightGreen;
            }
            return new Run() { Text = msg, Foreground = new SolidColorBrush(textColor) };
        }
    }
}