package main

import (
	"fmt"
	"net/http"
)

func (cfg *apiConfig) middlewareMetricsInc(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		cfg.fileserverHits.Add(1)
		next.ServeHTTP(w, req)
	})
}

func (cfg *apiConfig) serveMetrics(w http.ResponseWriter, r *http.Request) {
	hits := cfg.fileserverHits.Load()
	fmt.Fprintf(w, "Hits: %d", hits)
}