// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Microsoft.CodeAnalysis.Diagnostics.Analyzers.NamingStyles;
using Microsoft.CodeAnalysis.Notification;
using Microsoft.VisualStudio.LanguageServices.Implementation.Utilities;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.Options.Style.NamingPreferences;
 
internal sealed class ManageSymbolSpecificationsDialogViewModel : AbstractNotifyPropertyChanged, IManageNamingStylesInfoDialogViewModel
{
    private readonly INotificationService _notificationService;
 
    public ObservableCollection<INamingStylesInfoDialogViewModel> Items { get; set; }
    public string LanguageName { get; private set; }
 
    public string DialogTitle => ServicesVSResources.Manage_specifications;
 
    public ManageSymbolSpecificationsDialogViewModel(
        ObservableCollection<SymbolSpecification> specifications,
        List<NamingStyleOptionPageViewModel.NamingRuleViewModel> namingRules,
        string languageName,
        INotificationService notificationService)
    {
        LanguageName = languageName;
        _notificationService = notificationService;
 
        Items = [.. specifications.Select(specification => new SymbolSpecificationViewModel(
            languageName,
            specification,
            !namingRules.Any(rule => rule.SelectedSpecification?.ID == specification.ID),
            notificationService))];
    }
 
    internal void AddSymbolSpecification(INamingStylesInfoDialogViewModel _)
    {
 
    }
 
    internal void RemoveSymbolSpecification(INamingStylesInfoDialogViewModel symbolSpecification)
        => Items.Remove(symbolSpecification);
 
    public void AddItem()
    {
        var viewModel = new SymbolSpecificationViewModel(LanguageName, canBeDeleted: true, notificationService: _notificationService);
        var dialog = new SymbolSpecificationDialog(viewModel);
        if (dialog.ShowModal().Value == true)
        {
            Items.Add(viewModel);
        }
    }
 
    public void RemoveItem(INamingStylesInfoDialogViewModel item)
        => Items.Remove(item);
 
    public void EditItem(INamingStylesInfoDialogViewModel item)
    {
        var symbolSpecificationViewModel = (SymbolSpecificationViewModel)item;
 
        var symbolSpecification = ((SymbolSpecificationViewModel)item).GetSymbolSpecification();
        var viewModel = new SymbolSpecificationViewModel(LanguageName, symbolSpecification, symbolSpecificationViewModel.CanBeDeleted, _notificationService);
        var dialog = new SymbolSpecificationDialog(viewModel);
        if (dialog.ShowModal().Value == true)
        {
            symbolSpecificationViewModel.ItemName = viewModel.ItemName;
            symbolSpecificationViewModel.AccessibilityList = viewModel.AccessibilityList;
            symbolSpecificationViewModel.ModifierList = viewModel.ModifierList;
            symbolSpecificationViewModel.SymbolKindList = viewModel.SymbolKindList;
        }
    }
}