package fasthttp

import (
	"io"

	"github.com/gorilla/websocket"

	"git.loafle.net/commons_go/rpc/client"
	"git.loafle.net/commons_go/rpc/protocol"
	cwf "git.loafle.net/commons_go/websocket_fasthttp"
)

func New() client.ClientReadWriteCloseHandler {
	return &ClientReadWriteCloseHandlers{}
}

type ClientReadWriteCloseHandlers struct {
	client.ClientReadWriteCloseHandlers
}

func (crwch *ClientReadWriteCloseHandlers) ReadResponse(clientCTX client.ClientContext, codec protocol.ClientCodec, conn interface{}) (protocol.ClientResponseCodec, error) {
	if nil == conn {
		return nil, io.EOF
	}

	soc := conn.(cwf.Socket)
	_, r, err := soc.NextReader()

	resCodec, err := codec.NewResponse(r)

	return resCodec, err
}

func (crwch *ClientReadWriteCloseHandlers) WriteRequest(clientCTX client.ClientContext, codec protocol.ClientCodec, conn interface{}, method string, params interface{}, id interface{}) error {
	if nil == conn {
		return io.EOF
	}

	soc := conn.(cwf.Socket)

	wc, wErr := soc.NextWriter(websocket.TextMessage)
	if nil != wErr {
		return wErr
	}
	defer func() {
		wc.Close()
	}()

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

	return nil
}

func (crwch *ClientReadWriteCloseHandlers) Disconnect(clientCTX client.ClientContext, conn interface{}) {
	if nil == conn {
		return
	}

	soc := conn.(cwf.Socket)
	soc.Close()
}

func (crwch *ClientReadWriteCloseHandlers) Validate() {

}