// 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;
using Microsoft.CodeAnalysis.Diagnostics;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.CodeStyle
{
    /// <inheritdoc cref="NotificationOption2"/>
    public sealed class NotificationOption
    {
        private readonly NotificationOption2 _notificationOptionImpl;
 
        /// <summary>
        /// Name for the notification option.
        /// </summary>
        public string Name
        {
            get => Severity.GetDisplayString();
 
            [Obsolete("Modifying a NotificationOption is not supported.", error: true)]
            set => throw new InvalidOperationException();
        }
 
        /// <inheritdoc cref="NotificationOption2.Severity"/>
        public ReportDiagnostic Severity
        {
            get => _notificationOptionImpl.Severity;
 
            [Obsolete("Modifying a NotificationOption is not supported.", error: true)]
            set => throw new InvalidOperationException();
        }
 
        [Obsolete("Use " + nameof(Severity) + " instead.")]
        public DiagnosticSeverity Value
        {
            get => Severity.ToDiagnosticSeverity() ?? DiagnosticSeverity.Hidden;
            set => throw new InvalidOperationException();
        }
 
        /// <inheritdoc cref="NotificationOption2.None"/>
        public static readonly NotificationOption None = new(NotificationOption2.None);
 
        /// <inheritdoc cref="NotificationOption2.Silent"/>
        public static readonly NotificationOption Silent = new(NotificationOption2.Silent);
 
        /// <inheritdoc cref="NotificationOption2.Suggestion"/>
        public static readonly NotificationOption Suggestion = new(NotificationOption2.Suggestion);
 
        /// <inheritdoc cref="NotificationOption2.Warning"/>
        public static readonly NotificationOption Warning = new(NotificationOption2.Warning);
 
        /// <inheritdoc cref="NotificationOption2.Error"/>
        public static readonly NotificationOption Error = new(NotificationOption2.Error);
 
        private NotificationOption(NotificationOption2 notificationOptionImpl)
            => _notificationOptionImpl = notificationOptionImpl;
 
        public override string ToString() => Name;
    }
}