// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (C) 2026 Bryan Joshua Pedini

package main

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

// handleHealthz pings the DB with a short timeout and reports status. No
// auth, no data exposed beyond ok/unhealthy.
func (s *WebServer) handleHealthz(w http.ResponseWriter, r *http.Request) {
	ctx, cancel := context.WithTimeout(r.Context(), 2*time.Second)
	defer cancel()

	w.Header().Set("Content-Type", "application/json")

	if err := s.DB.PingContext(ctx); err != nil {
		s.Logger.Error("healthz ping failed", "error", err)
		w.WriteHeader(http.StatusServiceUnavailable)
		json.NewEncoder(w).Encode(map[string]string{"status": "unhealthy"})
		return
	}

	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
}