package handlers

import (
	"context"
	"net/http"
	"time"

	"amnezia-share/internal/web"
)

func registerHealth(a *web.App, mux *http.ServeMux) {
	mux.HandleFunc("GET /health", Health(a))
}

// Health reports basic liveness plus a DB ping, mirroring health.php.
func Health(a *web.App) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		dbOK := true
		ctx, cancel := context.WithTimeout(r.Context(), 3*time.Second)
		defer cancel()
		if err := a.Pool.Ping(ctx); err != nil {
			dbOK = false
		}
		status := http.StatusOK
		if !dbOK {
			status = http.StatusServiceUnavailable
		}
		writeJSON(w, status, map[string]any{
			"ok":   dbOK,
			"db":   dbOK,
			"time": time.Now().UTC().Format(time.RFC3339),
		})
	}
}