package main

import (
	"encoding/json"
	"log"
	"net/http"
)

func writeJSON(w http.ResponseWriter, status int, payload any) {
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(status)
	if err := json.NewEncoder(w).Encode(payload); err != nil {
		log.Printf("failed to encode json response: %v", err)
	}
}

func writeError(w http.ResponseWriter, status int, message string) {
	writeJSON(w, status, map[string]string{"error": message})
}

func decodeJSON(r *http.Request, out any) error {
	decoder := json.NewDecoder(r.Body)
	decoder.DisallowUnknownFields()
	return decoder.Decode(out)
}