// Copyright 2016-2019 hxmhlt
//
// 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 proxy_factory

import (
	"github.com/dubbo/go-for-apache-dubbo/common"
	"github.com/dubbo/go-for-apache-dubbo/common/constant"
	"github.com/dubbo/go-for-apache-dubbo/common/extension"
	"github.com/dubbo/go-for-apache-dubbo/common/proxy"
	"github.com/dubbo/go-for-apache-dubbo/protocol"
)

func init() {
	extension.SetProxyFactory("default", NewDefaultProxyFactory)
}

type DefaultProxyFactory struct {
	//delegate ProxyFactory
}

//you can rewrite DefaultProxyFactory in extension and delegate the default proxy factory like below

//func WithDelegate(delegateProxyFactory ProxyFactory) Option {
//	return func(proxy ProxyFactory) {
//		proxy.(*DefaultProxyFactory).delegate = delegateProxyFactory
//	}
//}

func NewDefaultProxyFactory(options ...proxy.Option) proxy.ProxyFactory {
	return &DefaultProxyFactory{}
}
func (factory *DefaultProxyFactory) GetProxy(invoker protocol.Invoker, url *common.URL) *proxy.Proxy {
	//create proxy
	attachments := map[string]string{}
	attachments[constant.ASYNC_KEY] = url.GetParam(constant.ASYNC_KEY, "false")
	return proxy.NewProxy(invoker, nil, attachments)
}
func (factory *DefaultProxyFactory) GetInvoker(url common.URL) protocol.Invoker {
	//TODO:yincheng need to do the service invoker refactor
	return protocol.NewBaseInvoker(url)
}