/*
 * 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 extension

import (
	"dubbo.apache.org/dubbo-go/v3/protocol/base"
)

var protocols = make(map[string]func() base.Protocol)

// SetProtocol sets the protocol extension with @name
func SetProtocol(name string, v func() base.Protocol) {
	protocols[name] = v
}

// GetProtocol finds the protocol extension with @name
func GetProtocol(name string) base.Protocol {
	if protocols[name] == nil {
		panic("protocol for [" + name + "] is not existing, make sure you have import the package.")
	}
	return protocols[name]()
}

// UnregisterProtocol removes the protocol extension with @name
// This helps prevent memory leaks in dynamic extension scenarios
func UnregisterProtocol(name string) {
	delete(protocols, name)
}

// GetAllProtocolNames returns all registered protocol names
func GetAllProtocolNames() []string {
	names := make([]string, 0, len(protocols))
	for name := range protocols {
		names = append(names, name)
	}
	return names
}
