package combined_exporter

import (
	"context"
	"fmt"
	"go.opentelemetry.io/otel/sdk/trace"
)

type Exporter struct {
	exporters []trace.SpanExporter
}

func NewExporter(exporters ...trace.SpanExporter) trace.SpanExporter {
	return &Exporter{
		exporters: exporters,
	}
}

// Implements [trace.SpanExporter]
func (e *Exporter) ExportSpans(ctx context.Context, spans []trace.ReadOnlySpan) error {
	for _, exp := range e.exporters {
		exp.ExportSpans(ctx, spans)
	}
	return nil
}

// Implements [trace.SpanExporter]
func (e *Exporter) Shutdown(ctx context.Context) error {
	var errs []error
	for _, exp := range e.exporters {
		err := exp.Shutdown(ctx)
		if err != nil {
			errs = append(errs, err)
		}
	}
	if len(errs) > 0 {
		return fmt.Errorf("multiple erros have occured: %#v", errs)
	}
	return nil
}