// SPDX-License-Identifier: AGPL-3.0-or-later

package middleware

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

// responseWriter wraps http.ResponseWriter to capture the status code.
type responseWriter struct {
	http.ResponseWriter
	statusCode int
}

func (rw *responseWriter) WriteHeader(code int) {
	rw.statusCode = code
	rw.ResponseWriter.WriteHeader(code)
}

// RequestLogger logs each HTTP request with method, path, status, and duration.
func RequestLogger(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		start := time.Now()
		rw := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}

		next.ServeHTTP(rw, r)

		slog.Debug("request",
			"method", r.Method,
			"path", r.URL.Path,
			"status", rw.statusCode,
			"duration", time.Since(start),
			"ip", RealIPFromContext(r.Context()),
		)
	})
}