using Microsoft.Extensions.Logging;
using GitConverter.Lib.Logging;

namespace GitConverter.TestsApp.Logging
{
    /// <summary>
    /// Ensure MsLoggerAdapter swallows exceptions thrown by the underlying Microsoft ILogger.
    /// </summary>
    public class MsLoggerAdapterSwallowTests
    {
        private class ThrowingLogger : ILogger
        {
            public IDisposable BeginScope<TState>(TState state) => null;
            public bool IsEnabled(LogLevel logLevel) => true;
            public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
            {
                throw new InvalidOperationException("logger boom");
            }
        }

        [Fact]
        public void Adapter_DoesNotThrow_WhenUnderlyingLoggerThrows()
        {
            var throwing = new ThrowingLogger();
            var adapter = new MsLoggerAdapter(throwing);

            // adapter methods should swallow underlying exceptions — no exception should propagate
            adapter.Debug("d");
            adapter.Info("i");
            adapter.Warn("w");
            var ex = Record.Exception(() => adapter.Error("e", new Exception("x")));
            Assert.Null(ex);
        }
    }
}