// Code generated by mdatagen. DO NOT EDIT.

package metadata

import (
	"errors"

	"go.opentelemetry.io/otel/metric"
	"go.opentelemetry.io/otel/metric/noop"
	"go.opentelemetry.io/otel/trace"

	"go.opentelemetry.io/collector/component"
	"go.opentelemetry.io/collector/config/configtelemetry"
)

func Meter(settings component.TelemetrySettings) metric.Meter {
	return settings.MeterProvider.Meter("go.opentelemetry.io/collector/processor/processorhelper")
}

func Tracer(settings component.TelemetrySettings) trace.Tracer {
	return settings.TracerProvider.Tracer("go.opentelemetry.io/collector/processor/processorhelper")
}

// TelemetryBuilder provides an interface for components to report telemetry
// as defined in metadata and user config.
type TelemetryBuilder struct {
	meter                  metric.Meter
	ProcessorIncomingItems metric.Int64Counter
	ProcessorOutgoingItems metric.Int64Counter
}

// TelemetryBuilderOption applies changes to default builder.
type TelemetryBuilderOption interface {
	apply(*TelemetryBuilder)
}

type telemetryBuilderOptionFunc func(mb *TelemetryBuilder)

func (tbof telemetryBuilderOptionFunc) apply(mb *TelemetryBuilder) {
	tbof(mb)
}

// NewTelemetryBuilder provides a struct with methods to update all internal telemetry
// for a component
func NewTelemetryBuilder(settings component.TelemetrySettings, options ...TelemetryBuilderOption) (*TelemetryBuilder, error) {
	builder := TelemetryBuilder{}
	for _, op := range options {
		op.apply(&builder)
	}
	builder.meter = Meter(settings)
	var err, errs error
	builder.ProcessorIncomingItems, err = getLeveledMeter(builder.meter, configtelemetry.LevelBasic, settings.MetricsLevel).Int64Counter(
		"otelcol_processor_incoming_items",
		metric.WithDescription("Number of items passed to the processor. [alpha]"),
		metric.WithUnit("{items}"),
	)
	errs = errors.Join(errs, err)
	builder.ProcessorOutgoingItems, err = getLeveledMeter(builder.meter, configtelemetry.LevelBasic, settings.MetricsLevel).Int64Counter(
		"otelcol_processor_outgoing_items",
		metric.WithDescription("Number of items emitted from the processor. [alpha]"),
		metric.WithUnit("{items}"),
	)
	errs = errors.Join(errs, err)
	return &builder, errs
}

func getLeveledMeter(meter metric.Meter, cfgLevel, srvLevel configtelemetry.Level) metric.Meter {
	if cfgLevel <= srvLevel {
		return meter
	}
	return noop.Meter{}
}