// Copyright 2017 Google Inc.
//
// Licensed 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 apidVerifyApiKey

import (
	"github.com/30x/apid-core"
	"github.com/apigee-labs/transicator/common"
)

type handler struct {
}

func (h *handler) String() string {
	return "verifyAPIKey"
}

func (h *handler) Handle(e apid.Event) {

	snapData, ok := e.(*common.Snapshot)
	if ok {
		processSnapshot(snapData)
	}
	return
}

func processSnapshot(snapshot *common.Snapshot) {

	log.Debugf("Snapshot received. Switching to DB version: %s", snapshot.SnapshotInfo)

	db, err := data.DBVersion(snapshot.SnapshotInfo)
	if err != nil {
		log.Panicf("Unable to access database: %v", err)
	}

	setDB(db)
	return
}