// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package api

import (
	"reflect"

	"github.com/apache/skywalking-satellite/internal/pkg/plugin"
	"github.com/apache/skywalking-satellite/internal/satellite/event"
	"github.com/apache/skywalking-satellite/plugins/forwarder/api"
)

// Fallbacker is a plugin interface, that defines some fallback strategies.
type Fallbacker interface {
	plugin.Plugin
	// FallBack returns nil when finishing a successful process and returns a new Fallbacker when failure.
	FallBack(batch event.BatchEvents, forward api.ForwardFunc) bool
}

// GetFallbacker gets an initialized client plugin.
func GetFallbacker(config plugin.Config) Fallbacker {
	return plugin.Get(reflect.TypeOf((*Fallbacker)(nil)).Elem(), config).(Fallbacker)
}
