package main

import (
	"log"
	"net/http"
	"io"
	"flag"
	"fmt"
)

var rawBody = false

func handle(w http.ResponseWriter, r *http.Request) {
	log.Println("URL:", r.URL)
	log.Println("METHOD:", r.Method)
	log.Println("HEADERS:")
	h := r.Header
	for k, v := range h {
		log.Println(k, v)
	}

	if (!rawBody) {
		log.Println("FORMDATA (query + post form data):")
		err := r.ParseForm()
		if err != nil {
			panic(err)
		}
		f := r.Form
		for k, v := range f {
			log.Println(k, v)
		}
	} else {
		log.Println("QUERIES:")
		q := r.URL.Query()
		for k, v := range q {
			log.Println(k, v)
		}
		b, err := io.ReadAll(r.Body)
		if err != nil {
			panic(err)
		}
		log.Println("BODY:", string(b))
	}

	log.Println("--------------------------------------")
}

func main() {
	b := flag.Bool("b", false, "Read raw body")
	p := flag.Int("p", 8080, "Port to use")
	flag.Parse()
	rawBody = *b
	http.HandleFunc("/", handle)
	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *p), nil))
}