using System.Diagnostics;
using System.Windows;

namespace WpfMaiTouchEmulator;

public partial class MainWindow : Window
{
    private readonly MaiTouchSensorButtonStateManager buttonState;
    private MaiTouchComConnector connector;
    private readonly VirtualComPortManager comPortManager;
    private TouchPanel _touchPanel;

    public MainWindow()
    {
        InitializeComponent();
        Title = "Mai Touch Emulator";
        buttonState = new MaiTouchSensorButtonStateManager(buttonStateValue);
        connector = new MaiTouchComConnector(buttonState);
        comPortManager = new VirtualComPortManager();
        connector.OnConnectStatusChange = (status) =>
        {
            connectionStateLabel.Content = status;
        };

        connector.OnDataSent = (data) =>
        {
            Application.Current.Dispatcher.Invoke(() =>
            {
                SentLogBox.AppendText(data + Environment.NewLine);
                SentLogBox.ScrollToEnd();
            });
        };
        connector.OnDataRecieved = (data) =>
        {
            Application.Current.Dispatcher.Invoke(() =>
            {
                RecievedLogBox.AppendText(data + Environment.NewLine);
                RecievedLogBox.ScrollToEnd();
            });
        };

        Loaded += (s, e) => {
            _touchPanel = new TouchPanel();
            _touchPanel.onTouch = (value) => { buttonState.PressButton(value); };
            _touchPanel.onRelease = (value) => { buttonState.ReleaseButton(value); };
            _touchPanel.Show();
            _touchPanel.Owner = this;
            DataContext = new MainWindowViewModel()
            {
                IsDebugEnabled = Properties.Settings.Default.IsDebugEnabled,
                IsAutomaticPortConnectingEnabled = Properties.Settings.Default.IsAutomaticPortConnectingEnabled,
                IsAutomaticPositioningEnabled = Properties.Settings.Default.IsAutomaticPositioningEnabled,
                IsExitWithSinmaiEnabled = Properties.Settings.Default.IsExitWithSinmaiEnabled
            };

            var dataContext = (MainWindowViewModel)DataContext;
            _touchPanel.SetDebugMode(dataContext.IsDebugEnabled);
            AutomaticTouchPanelPositioningLoop();
            AutomaticcPortConnectingLoop();
            ExitWithSinmaiLoop();
        };
    }

    private void MainWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
    {
        foreach (Window childWindow in OwnedWindows)
        {
            childWindow.Close();
        }
    }

    private async void ExitWithSinmaiLoop()
    {
        Process? sinamiProcess = null;
        while (sinamiProcess == null)
        {
            var processes = Process.GetProcessesByName("Sinmai");
            if (processes.Length > 0)
            {
                sinamiProcess = processes[0];
            }
            else
            {
                await Task.Delay(1000);
            }
        }
        await sinamiProcess.WaitForExitAsync();
        var dataContext = (MainWindowViewModel)DataContext;
        if (dataContext.IsExitWithSinmaiEnabled)
        {
            Application.Current.Shutdown();
        }
    }

    private async void AutomaticTouchPanelPositioningLoop()
    {
        var dataContext = (MainWindowViewModel)DataContext;
        while (true)
        {
            if (dataContext.IsAutomaticPositioningEnabled)
            {
                _touchPanel.PositionTouchPanel();
            }
            await Task.Delay(1000);
        }
    }

    private async void AutomaticcPortConnectingLoop()
    {
        var dataContext = (MainWindowViewModel)DataContext;
        while (true)
        {
            if (dataContext.IsAutomaticPortConnectingEnabled)
            {
                await connector.StartTouchSensorPolling();
            }
            await Task.Delay(1000);
        }
    }
    

    private async void ConnectToPortButton_Click(object sender, RoutedEventArgs e)
    {
        await connector.StartTouchSensorPolling();
    }

    private void debugMode_Click(object sender, RoutedEventArgs e)
    {
        var dataContext = (MainWindowViewModel)DataContext;
        var enabled = !dataContext.IsDebugEnabled;
        dataContext.IsDebugEnabled = !enabled;
        Properties.Settings.Default.IsDebugEnabled = dataContext.IsDebugEnabled;
        Properties.Settings.Default.Save();
        _touchPanel.SetDebugMode(dataContext.IsDebugEnabled);
    }

    private void automaticTouchPanelPositioning_Click(object sender, RoutedEventArgs e)
    {
        var dataContext = (MainWindowViewModel)DataContext;
        var enabled = !dataContext.IsAutomaticPositioningEnabled;
        dataContext.IsAutomaticPositioningEnabled = !enabled;
        Properties.Settings.Default.IsAutomaticPositioningEnabled = enabled;
        Properties.Settings.Default.Save();
    }

    private void automaticPortConnecting_Click(object sender, RoutedEventArgs e)
    {
        var dataContext = (MainWindowViewModel)DataContext;
        var enabled = !dataContext.IsAutomaticPortConnectingEnabled;
        dataContext.IsAutomaticPortConnectingEnabled = !enabled;
        Properties.Settings.Default.IsAutomaticPortConnectingEnabled = dataContext.IsAutomaticPortConnectingEnabled;
        Properties.Settings.Default.Save();
    }

    private void exitWithSinmai_Click(object sender, RoutedEventArgs e)
    {
        var dataContext = (MainWindowViewModel)DataContext;
        var enabled = !dataContext.IsExitWithSinmaiEnabled;
        dataContext.IsExitWithSinmaiEnabled = !enabled;
        Properties.Settings.Default.IsExitWithSinmaiEnabled = dataContext.IsExitWithSinmaiEnabled;
        Properties.Settings.Default.Save();
    }

    private async void buttonInstallComPort_Click(object sender, RoutedEventArgs e)
    {
        var output = await comPortManager.InstallComPort();
        MessageBox.Show(output);
    }

    private async void buttonUninstallComPorts_Click(object sender, RoutedEventArgs e)
    {
        var output = await comPortManager.UninstallVirtualPorts();
        MessageBox.Show(output);
    }

    private async void buttonListComPorts_Click(object sender, RoutedEventArgs e)
    {
        var output = await comPortManager.CheckInstalledPortsAsync();
        MessageBox.Show(output);
    }
}