package handlers

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

// writeJSON encodes v as JSON and writes it to w with the given status code.
// This is a tiny helper that every handler uses — it keeps handlers clean.
func writeJSON(w http.ResponseWriter, status int, v any) {
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(status)
	if err := json.NewEncoder(w).Encode(v); err != nil {
		http.Error(w, "encoding error", http.StatusInternalServerError)
	}
}

// writeError writes a standard {"error": "..."} JSON response.
func writeError(w http.ResponseWriter, status int, msg string) {
	writeJSON(w, status, map[string]string{"error": msg})
}