// Copyright 2019 Yunion
//
// 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 options

import (
	"os"
	"sync"

	api "yunion.io/x/onecloud/pkg/apis/cloudproxy"
	common_options "yunion.io/x/onecloud/pkg/cloudcommon/options"
	agent_options "yunion.io/x/onecloud/pkg/cloudproxy/agent/options"
)

type Options struct {
	EnableProxyAgent bool

	common_options.CommonOptions
	common_options.DBOptions

	agent_options.Options
}

var (
	opts     Options
	optsOnce sync.Once
)

func Get() *Options {
	optsOnce.Do(func() {
		common_options.ParseOptions(
			&opts,
			os.Args,
			"cloudproxy.conf",
			api.SERVICE_TYPE,
		)
	})
	return &opts
}

func OnOptionsChange(oldO, newO interface{}) bool {
	oldOpts := oldO.(*Options)
	newOpts := newO.(*Options)

	changed := false
	if common_options.OnCommonOptionsChange(&oldOpts.CommonOptions, &newOpts.CommonOptions) {
		changed = true
	}

	if common_options.OnDBOptionsChange(&oldOpts.DBOptions, &newOpts.DBOptions) {
		changed = true
	}

	return changed
}