using OpenTelemetry.Logs;

var builder = WebApplication.CreateBuilder(args);

var useOtlpExporter = !string.IsNullOrWhiteSpace(builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"]);

builder.Logging.AddOpenTelemetry(logging =>
{
    logging.IncludeFormattedMessage = true;
    logging.IncludeScopes = true;

    if (useOtlpExporter)
    {
        logging.AddOtlpExporter();
    }
    else
    {
        Console.WriteLine("OTEL_EXPORTER_OTLP_ENDPOINT is not set. Skipping OTLP exporter configuration.");
    }
});

var app = builder.Build();

app.MapGet("/", () => "Hello World!");

app.MapGet("/log", (ILogger<Program> logger) =>
{
    if (logger.IsEnabled(LogLevel.Information))
        logger.LogInformation("Logging a message at {time:HH:mm:ss} on {machine}", DateTime.Now, Environment.MachineName);
    return Results.Ok();
});

app.Run();