package middleware

import (
	"log/slog"
	"net/http"
	"net/netip"
)

// Test-only wrappers exposing unexported helpers to the
// external middleware_test package.

// NewWithLogger builds a Middleware around a logger for tests
// that exercise the logging paths without the fx graph.
func NewWithLogger(log *slog.Logger) *Middleware {
	return &Middleware{log: log}
}

// NewWithTrustedProxies builds a Middleware that honours forwarded
// headers from the given networks, for tests of the client address
// paths without the fx graph.
func NewWithTrustedProxies(trusted []netip.Prefix) *Middleware {
	return &Middleware{trustedProxies: trusted}
}

func ClientIP(
	remoteAddr string,
	header http.Header,
	trusted []netip.Prefix,
) string {
	return clientIP(remoteAddr, header, trusted)
}

func ParseTrustedProxies(cidrs []string) ([]netip.Prefix, error) {
	return parseTrustedProxies(cidrs)
}