// Definition fetcher
//
// Handles fetching and building ServiceDefinition structs from different
// data sources.

package service_definition

import (
	"fmt"
)

type DefinitionFetcher interface {
	GetDefinition(path string) (ServiceDefinition, error)
}

func NewDefinitionFetcher(fetcher_type string) (DefinitionFetcher, error) {
	if fetcher_type == "git" {
		return NewGitDefinitionFetcher(), nil
	}

	if fetcher_type == "file" {
		return NewFileDefinitionFetcher(), nil
	}

	return nil, fmt.Errorf("Unrecognized fetcher type: %s", fetcher_type)
}