package middleware

import (
	"net/http"
	"strings"

	"go.opentelemetry.io/otel"
)

func CacheControl(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		counter, _ := otel.Meter("").Int64Counter("spend.sparrow.test")
		counter.Add(r.Context(), 1)

		shouldCache := strings.HasPrefix(r.URL.Path, "/static")

		if !shouldCache {
			w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
		}

		next.ServeHTTP(w, r)
	})
}