// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using Microsoft.CodeAnalysis.Razor.Logging;
 
namespace Microsoft.CodeAnalysis.Remote.Razor;
 
/// <summary>
/// An error logger provider that provides a logger that simple throws an exception for any LogError call.
/// </summary>
internal class ThrowingErrorLoggerProvider : ILoggerProvider
{
    public ILogger CreateLogger(string categoryName)
    {
        return Logger.Instance;
    }
 
    private class Logger : ILogger
    {
        public static readonly Logger Instance = new();
 
        public bool IsEnabled(LogLevel logLevel)
        {
            return logLevel == LogLevel.Error;
        }
 
        public void Log(LogLevel logLevel, string message, Exception? exception)
        {
            if (logLevel != LogLevel.Error)
            {
                return;
            }
 
            if (exception is not null)
            {
                throw exception;
            }
 
            throw new InvalidOperationException(message);
        }
    }
}