package socket

import (
	"git.loafle.net/commons_go/rpc"
	"git.loafle.net/commons_go/rpc/protocol"
	"git.loafle.net/commons_go/server"
)

func New() rpc.ServletReadWriteCloseHandler {
	return &ServletReadWriteCloseHandlers{}
}

type ServletReadWriteCloseHandlers struct {
	rpc.ServletReadWriteCloseHandlers
}

func (srwch *ServletReadWriteCloseHandlers) ReadRequest(servletCTX rpc.ServletContext, codec protocol.ServerCodec, conn interface{}) (protocol.ServerRequestCodec, error) {
	soc := conn.(server.Socket)
	reqCodec, err := codec.NewRequest(soc)

	return reqCodec, err
}

func (srwch *ServletReadWriteCloseHandlers) WriteResponse(servletCTX rpc.ServletContext, conn interface{}, reqCodec protocol.ServerRequestCodec, result interface{}, err error) error {
	soc := conn.(server.Socket)

	if nil != err {
		if wErr := reqCodec.WriteError(soc, 500, err); nil != wErr {
			return wErr
		}
	} else {
		if wErr := reqCodec.WriteResponse(soc, result); nil != wErr {
			return wErr
		}
	}

	return nil
}

func (srwch *ServletReadWriteCloseHandlers) WriteNotification(servletCTX rpc.ServletContext, conn interface{}, codec protocol.ServerCodec, method string, params interface{}) error {
	soc := conn.(server.Socket)

	if wErr := codec.WriteNotification(soc, method, params); nil != wErr {
		return wErr
	}

	return nil
}