using OpenTelemetry;
using OpenTelemetry.Logs;

namespace BlueLaminate.Cli.Logging;

/// <summary>
/// Minimal console sink for the OpenTelemetry log pipeline: one line per record
/// as "{utc timestamp} {message}". Requires IncludeFormattedMessage so the
/// message arrives with its template arguments already substituted.
/// </summary>
public sealed class CompactConsoleLogExporter : BaseExporter<LogRecord>
{
    public override ExportResult Export(in Batch<LogRecord> batch)
    {
        foreach (var record in batch)
        {
            var message = record.FormattedMessage ?? record.Body ?? string.Empty;
            Console.WriteLine($"[{record.Timestamp:yyyy-MM-dd HH:mm:ss.fff'Z'}] {message}");
        }

        return ExportResult.Success;
    }
}