/*
 * Licensed to the 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.
 * The 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 adminapi

import (
	"crypto/tls"
	"strings"

	chassisCom "github.com/go-chassis/go-chassis/core/common"
	"github.com/go-chassis/go-chassis/core/lager"
	chassisTLS "github.com/go-chassis/go-chassis/core/tls"
	"github.com/go-mesh/mesher/common"
	"github.com/go-mesh/mesher/config"
	"github.com/go-mesh/openlogging"
)

//Init function initiates admin server config and runs it
func Init() (err error) {
	isAdminEnable := config.GetConfig().Admin.Enable

	if !isAdminEnable {
		lager.Logger.Infof("admin api are not enable")
		return nil
	}

	openlogging.GetLogger().Info("enable admin API")
	RegisterWebService()
	return
}

func getTLSConfig() (*tls.Config, error) {
	var tlsConfig *tls.Config
	sslTag := genTag(common.ComponentName, chassisCom.Provider)
	tmpTLSConfig, sslConfig, err := chassisTLS.GetTLSConfigByService(common.ComponentName, "", chassisCom.Provider)
	if err != nil {
		if !chassisTLS.IsSSLConfigNotExist(err) {
			return nil, err
		}
	} else {
		lager.Logger.Warnf("%s TLS mode, verify peer: %t, cipher plugin: %s.",
			sslTag, sslConfig.VerifyPeer, sslConfig.CipherPlugin)
		tlsConfig = tmpTLSConfig
	}
	return tlsConfig, nil
}

func genTag(s ...string) string {
	return strings.Join(s, ".")
}