// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0

package confmap // import "go.opentelemetry.io/collector/confmap"

import (
	"context"

	"go.uber.org/zap"
)

// ConverterSettings are the settings to initialize a Converter.
type ConverterSettings struct {
	// Logger is a zap.Logger that will be passed to Converters.
	// Converters should be able to rely on the Logger being non-nil;
	// when instantiating a Converter with a ConverterFactory,
	// nil Logger references should be replaced with a no-op Logger.
	Logger *zap.Logger

	// prevent unkeyed literal initialization
	_ struct{}
}

// ConverterFactory defines a factory that can be used to instantiate
// new instances of a Converter.
type ConverterFactory = moduleFactory[Converter, ConverterSettings]

// CreateConverterFunc is a function that creates a Converter instance.
type CreateConverterFunc = createConfmapFunc[Converter, ConverterSettings]

// NewConverterFactory can be used to create a ConverterFactory.
func NewConverterFactory(f CreateConverterFunc) ConverterFactory {
	return newConfmapModuleFactory(f)
}

// Converter is a converter interface for the confmap.Conf that allows distributions
// (in the future components as well) to build backwards compatible config converters.
type Converter interface {
	// Convert applies the conversion logic to the given "conf".
	Convert(ctx context.Context, conf *Conf) error
}