// 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.ComponentModel;
using System.Globalization;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.VisualStudio.Shell;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.SolutionExplorer;
 
internal sealed partial class DiagnosticItem
{
    internal sealed class BrowseObject(DiagnosticItem diagnosticItem) : LocalizableProperties
    {
        [Browsable(false)]
        public DiagnosticItem DiagnosticItem { get; } = diagnosticItem;
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.ID))]
        public string Id => DiagnosticItem.Descriptor.Id;
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Title))]
        public string Title => DiagnosticItem.Descriptor.Title.ToString(CultureInfo.CurrentUICulture);
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Description))]
        public string Description => DiagnosticItem.Descriptor.Description.ToString(CultureInfo.CurrentUICulture);
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Help_link))]
        public string? HelpLink => DiagnosticItem.Descriptor.GetValidHelpLinkUri()?.AbsoluteUri;
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Category))]
        public string Category => DiagnosticItem.Descriptor.Category;
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Default_severity))]
        public string DefaultSeverity
            => MapDiagnosticSeverityToText(DiagnosticItem.Descriptor.DefaultSeverity);
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Enabled_by_default))]
        public bool EnabledByDefault => DiagnosticItem.Descriptor.IsEnabledByDefault;
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Message))]
        public string Message
            => DiagnosticItem.Descriptor.MessageFormat.ToString(CultureInfo.CurrentUICulture);
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Tags))]
        public string Tags
            => string.Join(" ", DiagnosticItem.Descriptor.CustomTags);
 
        [BrowseObjectDisplayName(nameof(SolutionExplorerShim.Effective_severity))]
        public string EffectiveSeverity
            => MapReportDiagnosticToText(DiagnosticItem._effectiveSeverity);
 
        public override string GetClassName()
        {
            return SolutionExplorerShim.Diagnostic_Properties;
        }
 
        public override string GetComponentName()
        {
            return DiagnosticItem.Descriptor.Id;
        }
 
        private static string MapDiagnosticSeverityToText(DiagnosticSeverity severity)
            => severity switch
            {
                DiagnosticSeverity.Hidden => SolutionExplorerShim.Hidden,
                DiagnosticSeverity.Info => SolutionExplorerShim.Info,
                DiagnosticSeverity.Warning => SolutionExplorerShim.Warning,
                DiagnosticSeverity.Error => SolutionExplorerShim.Error_,
                _ => throw ExceptionUtilities.UnexpectedValue(severity),
            };
 
        private static string MapReportDiagnosticToText(ReportDiagnostic report)
            => report switch
            {
                ReportDiagnostic.Default => SolutionExplorerShim.Default_,
                ReportDiagnostic.Error => SolutionExplorerShim.Error_,
                ReportDiagnostic.Warn => SolutionExplorerShim.Warning,
                ReportDiagnostic.Info => SolutionExplorerShim.Info,
                ReportDiagnostic.Hidden => SolutionExplorerShim.Hidden,
                ReportDiagnostic.Suppress => SolutionExplorerShim.Suppressed,
                _ => throw ExceptionUtilities.UnexpectedValue(report),
            };
    }
}