package middleware

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

// responseWriter is a custom wrapper to capture the status code
type responseWriter struct {
	http.ResponseWriter
	status int
}

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

// Logger is a middleware that logs each incoming HTTP request
func Logger() Middleware {
	return func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			start := time.Now()
			
			// Default status is 200 OK
			rw := &responseWriter{ResponseWriter: w, status: http.StatusOK}
			
			next.ServeHTTP(rw, r)
			
			log.Printf(
				"[%s] %s %s | %d | %v",
				r.Method,
				r.Host,
				r.URL.Path,
				rw.status,
				time.Since(start),
			)
		})
	}
}