using Microsoft.Extensions.Logging;

using Avalonia.Logging;

public sealed class AvaloniaLogSink : ILogSink
{
    private readonly ILoggerFactory _loggerFactory;
    private readonly Dictionary<string, ILogger> _areaLoggers = new();

    public AvaloniaLogSink(ILoggerFactory loggerFactory)
    {
        _loggerFactory = loggerFactory;
    }

    public bool IsEnabled(LogEventLevel level, string area) => true;

    public void Log(LogEventLevel level, string area, object? source, string messageTemplate, params object?[] propertyValues)
    {
        if (!_areaLoggers.ContainsKey(area))
            _areaLoggers.Add(area, _loggerFactory.CreateLogger($"Avalonia.{area}"));

        var logger = _areaLoggers[area];
        var logLevel = ConvertLogLevel(level);

        logger.Log(logLevel, messageTemplate, propertyValues);
    }
    public void Log(LogEventLevel level, string area, object? source, string messageTemplate)
    {
        if (!_areaLoggers.ContainsKey(area))
            _areaLoggers.Add(area, _loggerFactory.CreateLogger($"Avalonia.{area}"));

        var logger = _areaLoggers[area];
        var logLevel = ConvertLogLevel(level);

        logger.Log(logLevel, messageTemplate);
    }

    public static LogLevel ConvertLogLevel(LogEventLevel level) =>
        level switch
        {
            LogEventLevel.Verbose => LogLevel.Trace,
            LogEventLevel.Debug => LogLevel.Debug,
            LogEventLevel.Information => LogLevel.Information,
            LogEventLevel.Warning => LogLevel.Warning,
            LogEventLevel.Error => LogLevel.Error,
            LogEventLevel.Fatal => LogLevel.Critical,
            _ => LogLevel.Information
        };
    public static LogEventLevel ConvertLogLevel(LogLevel level) =>
        level switch
        {
            LogLevel.Trace => LogEventLevel.Verbose,
            LogLevel.Debug => LogEventLevel.Debug,
            LogLevel.Information => LogEventLevel.Information,
            LogLevel.Warning => LogEventLevel.Warning,
            LogLevel.Error => LogEventLevel.Error,
            LogLevel.Critical => LogEventLevel.Fatal,
            _ => LogEventLevel.Information
        };

}