package rest

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

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

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

// loggingMiddleware logs requests with timing
func (s *Server) loggingMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		start := time.Now()
		wrapped := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}

		next.ServeHTTP(wrapped, r)

		duration := time.Since(start)
		// Log request (in production, use structured logger)
		log.Printf("%s %s %d %v", r.Method, r.URL.Path, wrapped.statusCode, duration)
	})
}

// compressionMiddleware adds gzip compression (simplified - use gorilla/handlers in production)
func (s *Server) compressionMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Check if client accepts gzip
		if r.Header.Get("Accept-Encoding") != "" {
			// In production, use gorilla/handlers.CompressHandler
			// For now, just pass through
		}
		next.ServeHTTP(w, r)
	})
}
