package urlx

import (
	"bytes"
	"io"
	"net/http"
	"net/http/httputil"
)

var (
	dumpBR   = []byte{'\n'}
	dumpLine = append(bytes.Repeat([]byte("-"), 70), dumpBR...)
)

func Dump(w io.Writer, reqBody, respBody bool) ProcessMw {
	return func(next Process) Process {
		return func(resp *http.Response) error {
			w.Write(dumpLine)
			reqDump, err := httputil.DumpRequest(resp.Request, reqBody)
			if err != nil {
				w.Write([]byte(err.Error()))
			} else {
				w.Write(reqDump)
			}
			w.Write(dumpBR)
			w.Write(dumpLine)
			resDump, _ := httputil.DumpResponse(resp, respBody)
			if err != nil {
				w.Write([]byte(err.Error()))
			} else {
				w.Write(resDump)
			}
			w.Write(dumpBR)
			w.Write(dumpLine)
			return next(resp)
		}
	}
}