package middleware

import (
	"net/http"
	"strings"
)

// TrustProxy восстанавливает схему HTTPS за Caddy/nginx.
func TrustProxy(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if proto := r.Header.Get("X-Forwarded-Proto"); strings.EqualFold(proto, "https") {
			r.URL.Scheme = "https"
		}
		if host := r.Header.Get("X-Forwarded-Host"); host != "" {
			r.Host = host
		}
		next.ServeHTTP(w, r)
	})
}