package main

import (
	"log/slog"
	"net/http"
	"time"

	"go.elara.ws/salix"
)

// handleErr responds with an error page if an error is returned by fn
func handleErr(ns *salix.Namespace, fn func(w http.ResponseWriter, r *http.Request) error) http.HandlerFunc {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		start := time.Now()
		err := fn(w, r)
		if err != nil {
			log.Error("Error in HTTP handler",
				slog.String("path", r.URL.Path),
				slog.Any("error", err),
			)
			ns.ExecuteTemplate(w, "error.html", map[string]any{
				"errMsg":  err.Error(),
			})
		}
		log.Info("Request completed",
			slog.String("for", r.RemoteAddr),
			slog.Duration("latency", time.Since(start)),
		)
	})
}