using Microsoft.Extensions.Logging;
using Serilog;
using Serilog.Extensions.Logging;

namespace TeamsISO.Engine.Logging;

/// <summary>
/// Convenience factory for an <see cref="ILoggerFactory"/> wired to Serilog's console sink.
/// Phase A wires console-only; Phase C will add the rolling-file sink under %APPDATA%\TeamsISO\logs\.
/// </summary>
public static class EngineLogging
{
    public static ILoggerFactory CreateConsole(LogLevel minimum = LogLevel.Information)
    {
        var serilog = new LoggerConfiguration()
            .MinimumLevel.Is(MapLevel(minimum))
            .Enrich.WithProperty("Component", "TeamsISO.Engine")
            .WriteTo.Console(outputTemplate:
                "[{Timestamp:HH:mm:ss} {Level:u3}] [{Component}] {Message:lj}{NewLine}{Exception}")
            .CreateLogger();
        return new SerilogLoggerFactory(serilog, dispose: true);
    }

    private static Serilog.Events.LogEventLevel MapLevel(LogLevel level) => level switch
    {
        LogLevel.Trace => Serilog.Events.LogEventLevel.Verbose,
        LogLevel.Debug => Serilog.Events.LogEventLevel.Debug,
        LogLevel.Information => Serilog.Events.LogEventLevel.Information,
        LogLevel.Warning => Serilog.Events.LogEventLevel.Warning,
        LogLevel.Error => Serilog.Events.LogEventLevel.Error,
        LogLevel.Critical => Serilog.Events.LogEventLevel.Fatal,
        _ => Serilog.Events.LogEventLevel.Information
    };
}