using System.Linq;
using Avalonia.Controls;
using Avalonia.Interactivity;
using UnifiedFarmLauncher.Models;
using UnifiedFarmLauncher.Services;
using UnifiedFarmLauncher.ViewModels;
using Avalonia.Controls.Primitives;
using MsBox.Avalonia;
using MsBox.Avalonia.Enums;

namespace UnifiedFarmLauncher.Views
{
    public partial class MainWindow : Window
    {
        private readonly ConfigService _configService = new();
        private readonly SshService _sshService = new();
        private readonly WorkerControllerService _controllerService;
        private readonly AttachService _attachService;

        public MainWindow()
        {
            InitializeComponent();
            _controllerService = new WorkerControllerService(_sshService, _configService);
            _attachService = new AttachService(_sshService, _controllerService);
            DataContext = new MainWindowViewModel();
            SetupEventHandlers();
        }

        private void InitializeComponent()
        {
            Avalonia.Markup.Xaml.AvaloniaXamlLoader.Load(this);
        }

        private void SetupEventHandlers()
        {
            this.FindControl<Button>("AddWorkerButton")!.Click += AddWorkerButton_Click;
            this.FindControl<Button>("EditWorkerButton")!.Click += EditWorkerButton_Click;
            this.FindControl<Button>("DeleteWorkerButton")!.Click += DeleteWorkerButton_Click;
            this.FindControl<Button>("StartWorkerButton")!.Click += StartWorkerButton_Click;
            this.FindControl<Button>("StopWorkerButton")!.Click += StopWorkerButton_Click;
            this.FindControl<Button>("AttachWorkerButton")!.Click += AttachWorkerButton_Click;
            this.FindControl<TabControl>("WorkerTypeTabs")!.SelectionChanged += WorkerTypeTabs_SelectionChanged;
            this.FindControl<DataGrid>("WorkersGrid")!.SelectionChanged += WorkersGrid_SelectionChanged;
        }

        private async void AddWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            var dialog = new WorkerEditWindow();
            if (await dialog.ShowDialogAsync(this))
            {
                ((MainWindowViewModel)DataContext!).RefreshWorkers();
            }
        }

        private async void EditWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem is WorkerConfig worker)
            {
                var dialog = new WorkerEditWindow(worker);
                if (await dialog.ShowDialogAsync(this))
                {
                    ((MainWindowViewModel)DataContext!).RefreshWorkers();
                }
            }
        }

        private async void DeleteWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem is WorkerConfig worker)
            {
                var box = MessageBoxManager.GetMessageBoxStandard("Delete Worker", 
                    $"Are you sure you want to delete worker '{worker.Name}'?", 
                    ButtonEnum.YesNo, MsBox.Avalonia.Enums.Icon.Warning);
                var result = await box.ShowAsync();
                
                if (result == ButtonResult.Yes)
                {
                    _configService.DeleteWorker(worker.Id);
                    ((MainWindowViewModel)DataContext!).RefreshWorkers();
                }
            }
        }

        private async void StartWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem is WorkerConfig worker)
            {
                try
                {
                    string? workerType = null;
                    if (worker.WorkerTypes.SheepIt != null)
                        workerType = "sheepit";
                    else if (worker.WorkerTypes.Flamenco != null)
                        workerType = "flamenco";

                    if (workerType == null)
                    {
                        var box = MessageBoxManager.GetMessageBoxStandard("Error", 
                            "Worker has no configured worker type.", 
                            ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                        await box.ShowAsync();
                        return;
                    }

                    await _controllerService.StartWorkerAsync(worker, workerType);
                    var successBox = MessageBoxManager.GetMessageBoxStandard("Start Worker", 
                        $"Worker '{worker.Name}' started successfully.", 
                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Success);
                    await successBox.ShowAsync();
                    ((MainWindowViewModel)DataContext!).RefreshWorkers();
                }
                catch (System.Exception ex)
                {
                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
                        $"Failed to start worker: {ex.Message}", 
                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                    await errorBox.ShowAsync();
                }
            }
        }

        private async void StopWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem is WorkerConfig worker)
            {
                try
                {
                    string? workerType = null;
                    if (worker.WorkerTypes.SheepIt != null)
                        workerType = "sheepit";
                    else if (worker.WorkerTypes.Flamenco != null)
                        workerType = "flamenco";

                    if (workerType == null)
                    {
                        var box = MessageBoxManager.GetMessageBoxStandard("Error", 
                            "Worker has no configured worker type.", 
                            ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                        await box.ShowAsync();
                        return;
                    }

                    await _controllerService.StopWorkerAsync(worker, workerType);
                    var successBox = MessageBoxManager.GetMessageBoxStandard("Stop Worker", 
                        $"Stop command sent to worker '{worker.Name}'.", 
                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Info);
                    await successBox.ShowAsync();
                }
                catch (System.Exception ex)
                {
                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
                        $"Failed to stop worker: {ex.Message}", 
                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                    await errorBox.ShowAsync();
                }
            }
        }

        private async void AttachWorkerButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem is WorkerConfig worker)
            {
                try
                {
                    string? workerType = null;
                    if (worker.WorkerTypes.SheepIt != null)
                        workerType = "sheepit";
                    else if (worker.WorkerTypes.Flamenco != null)
                        workerType = "flamenco";

                    if (workerType == null)
                    {
                        var box = MessageBoxManager.GetMessageBoxStandard("Error", 
                            "Worker has no configured worker type.", 
                            ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                        await box.ShowAsync();
                        return;
                    }

                    await _attachService.AttachToWorkerAsync(worker, workerType);
                }
                catch (System.Exception ex)
                {
                    var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
                        $"Failed to attach to worker: {ex.Message}", 
                        ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                    await errorBox.ShowAsync();
                }
            }
        }

        private void WorkerTypeTabs_SelectionChanged(object? sender, SelectionChangedEventArgs e)
        {
            if (this.FindControl<TabControl>("WorkerTypeTabs")?.SelectedItem is TabItem tab)
            {
                var type = tab.Header?.ToString() ?? "All";
                if (type == "All Workers") type = "All";
                ((MainWindowViewModel)DataContext!).SelectedWorkerType = type;
            }
        }

        private void WorkersGrid_SelectionChanged(object? sender, SelectionChangedEventArgs e)
        {
            if (DataContext is MainWindowViewModel vm)
            {
                vm.SelectedWorker = this.FindControl<DataGrid>("WorkersGrid")?.SelectedItem as WorkerConfig;
            }
        }
    }
}