using System;
using System.Linq;
using System.Threading.Tasks;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Platform.Storage;
using UnifiedFarmLauncher.Models;
using UnifiedFarmLauncher.Services;
using UnifiedFarmLauncher.ViewModels;
using MsBox.Avalonia;
using MsBox.Avalonia.Enums;

namespace UnifiedFarmLauncher.Views
{
    public partial class WorkerEditWindow : Window
    {
        private readonly WorkerEditViewModel _viewModel;
        private bool _result;

        public WorkerEditWindow() : this(null)
        {
        }

        public WorkerEditWindow(WorkerConfig? worker)
        {
            InitializeComponent();
            var configService = new ConfigService();
            _viewModel = new WorkerEditViewModel(configService, worker);
            DataContext = _viewModel;
            SetupEventHandlers();
        }

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

        private void SetupEventHandlers()
        {
            this.FindControl<Button>("OkButton")!.Click += OkButton_Click;
            this.FindControl<Button>("CancelButton")!.Click += CancelButton_Click;
            this.FindControl<Button>("BrowseFlamencoPathButton")!.Click += BrowseFlamencoPathButton_Click;
            this.FindControl<Button>("AddDriveButton")!.Click += AddDriveButton_Click;
            this.FindControl<Button>("RemoveDriveButton")!.Click += RemoveDriveButton_Click;
            this.FindControl<Button>("AddPathButton")!.Click += AddPathButton_Click;
            this.FindControl<Button>("RemovePathButton")!.Click += RemovePathButton_Click;
        }

        private async void OkButton_Click(object? sender, RoutedEventArgs e)
        {
            if (string.IsNullOrWhiteSpace(_viewModel.Name))
            {
                var box = MessageBoxManager.GetMessageBoxStandard("Error", 
                    "Worker name is required.", 
                    ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                await box.ShowAsync();
                return;
            }

            try
            {
                _viewModel.Save();
                _result = true;
                Close();
            }
            catch (Exception ex)
            {
                var errorBox = MessageBoxManager.GetMessageBoxStandard("Error", 
                    $"Failed to save worker: {ex.Message}", 
                    ButtonEnum.Ok, MsBox.Avalonia.Enums.Icon.Error);
                await errorBox.ShowAsync();
            }
        }

        private void CancelButton_Click(object? sender, RoutedEventArgs e)
        {
            _result = false;
            Close();
        }

        private async void BrowseFlamencoPathButton_Click(object? sender, RoutedEventArgs e)
        {
            var topLevel = TopLevel.GetTopLevel(this);
            if (topLevel?.StorageProvider.CanPickFolder == true)
            {
                var folders = await topLevel.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
                {
                    Title = "Select Flamenco Worker Path"
                });
                
                if (folders.Count > 0 && folders[0].TryGetLocalPath() is { } localPath)
                {
                    _viewModel.FlamencoWorkerPath = localPath;
                }
            }
        }

        private void AddDriveButton_Click(object? sender, RoutedEventArgs e)
        {
            // Simplified: use a simple input box
            // In a full implementation, you'd use a proper input dialog
            _viewModel.NetworkDrives.Add("A:");
        }

        private void RemoveDriveButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<ListBox>("NetworkDrivesListBox")?.SelectedItem is string drive)
            {
                _viewModel.NetworkDrives.Remove(drive);
            }
        }

        private void AddPathButton_Click(object? sender, RoutedEventArgs e)
        {
            // Simplified: use a simple input box
            // In a full implementation, you'd use a proper input dialog
            _viewModel.NetworkPaths.Add("\\\\SERVER\\share");
        }

        private void RemovePathButton_Click(object? sender, RoutedEventArgs e)
        {
            if (this.FindControl<ListBox>("NetworkPathsListBox")?.SelectedItem is string path)
            {
                _viewModel.NetworkPaths.Remove(path);
            }
        }

        public async Task<bool> ShowDialogAsync(Window parent)
        {
            await base.ShowDialog(parent);
            return _result;
        }
    }
}