// 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.
 
using System;
using System.Linq;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeStyle;
using Microsoft.CodeAnalysis.Diagnostics.Analyzers.NamingStyles;
using Microsoft.CodeAnalysis.Editor.EditorConfigSettings.Data;
using Microsoft.CodeAnalysis.Editor.EditorConfigSettings.Updater;
using Microsoft.CodeAnalysis.Options;
using RoslynEnumerableExtensions = Microsoft.CodeAnalysis.Editor.EditorConfigSettings.Extensions.EnumerableExtensions;
 
namespace Microsoft.CodeAnalysis.Editor.EditorConfigSettings.DataProvider.NamingStyles;
 
internal class NamingStyleSettingsProvider : SettingsProviderBase<NamingStyleSetting, NamingStyleSettingsUpdater, (Action<(object, object?)>, NamingStyleSetting), object>
{
    public NamingStyleSettingsProvider(string fileName, NamingStyleSettingsUpdater settingsUpdater, Workspace workspace, IGlobalOptionService globalOptions)
        : base(fileName, settingsUpdater, workspace, globalOptions)
    {
        Update();
    }
 
    protected override void UpdateOptions(TieredAnalyzerConfigOptions options, ImmutableArray<Project> projectsInScope)
    {
        options.GetInitialLocationAndValue<NamingStylePreferences>(NamingStyleOptions.NamingPreferences, out var location, out var namingPreferences);
 
        var fileName = (location.LocationKind != LocationKind.VisualStudio) ? options.EditorConfigFileName : null;
        var namingRules = namingPreferences.NamingRules.Select(r => r.GetRule(namingPreferences));
        var allStyles = RoslynEnumerableExtensions.DistinctBy(namingPreferences.NamingStyles, s => s.Name).ToArray();
        var namingStyles = namingRules.Select(namingRule => new NamingStyleSetting(namingRule, allStyles, SettingsUpdater, fileName));
 
        AddRange(namingStyles);
    }
}