package main

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

func handler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "POST only", http.StatusMethodNotAllowed)
		return
	}

	body, err := io.ReadAll(r.Body)
	if err != nil {
		http.Error(w, "read error", http.StatusBadRequest)
		return
	}
	defer r.Body.Close()

	fmt.Println("Received:", string(body))

	w.WriteHeader(http.StatusOK)
	w.Write([]byte("ok"))
}

func main() {
	http.HandleFunc("/data", handler)

	addr := ":8080"
	log.Println("Listening on", addr)
	log.Fatal(http.ListenAndServe(addr, nil))
}