package handlers

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

type errorBody struct {
	Error   string `json:"error"`
	Message string `json:"message"`
}

func writeJSON(w http.ResponseWriter, status int, v interface{}) {
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(status)
	json.NewEncoder(w).Encode(v)
}

func writeError(w http.ResponseWriter, status int, code, message string) {
	writeJSON(w, status, errorBody{Error: code, Message: message})
}

func parseIntParam(s string) (int, bool) {
	n, err := strconv.Atoi(s)
	if err != nil {
		return 0, false
	}
	return n, true
}
