package main

import (
	"context"
	"fmt"
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"
)

const (
	sslCert = "./certs/ssl.crt"
	sslKey  = "./certs/ssl.key"
)

func init() {
	fmt.Println("ZPROX started")
}

// type Matcher struct {
// 	r *http.Request
// 	w http.ResponseWriter
// }

// func (m *Matcher) MatchHost(str string, f ...func(w http.ResponseWriter, r *http.Request)) {
// 	if m.r.Host == "test.gotest.com" || m.r.Host == "localhost" {
// 		m.w.Write([]byte("test"))
// 	} else {
// 		m.w.Write([]byte("404 page not found"))
// 		m.w.WriteHeader(http.StatusNotFound)
// 	}
// }

type HandlerFunc func(http.ResponseWriter, *http.Request)

// func (h *HandlerFunc) Handle(f func(w http.ResponseWriter, r *http.Request)) {
// 	h = h.HandlerFunc()

// 	// &h.f()
// 	// if r.Host == "test.gotest.com" {
// 	// 	w.Write([]byte("test"))
// 	// } else {
// 	// 	w.Write([]byte("404 page not found"))

// 	// 	w.WriteHeader(http.StatusNotFound)
// 	// }
// }

// func test(w http.ResponseWriter, r *http.Request) {
// 	if r.Host == "test.gotest.com" {
// 		w.Write([]byte("login"))
// 	} else {
// 		w.Write([]byte("404 page not found"))
// 		w.WriteHeader(http.StatusNotFound)
// 	}
// }

//	func handle(f HandlerFunc) HandlerFunc {
//		HandlerFunc{}.f[0]
//		return func(w http.ResponseWriter, r *http.Request) {
//			f
//		}
//	}

// type Mux struct {
// 	*Handlers
// 	*Router
// }
// type Handlers []struct{ http.Handler }
// type Router struct{ *http.ServeMux }

// func NewMux() *Mux {
// 	r := new(Router)
// 	h := new(Handlers)
// 	return &Mux{Handlers:h,Router:r}
// }

//	func (m *Handlers) Add() {
//		h := new(Handlers)
//		m = &Mux{h, r}
//		&Handlers{f}
//	}
type Router struct{ http.ServeMux }

func (r Router) Host(string) {

	// router.HandleFunc("")
}
func main() {
	// var h HandlerFunc
	// h:=func(a HandlerFunc)HandlerFunc{

	router := http.NewServeMux()
	router.H
	// h := Handler.Add(func(w http.ResponseWriter, r *http.Request) {})
	// http.Handler.ServeHTTP()

	router.HandleFunc("test.gotest.com/", h)
	// router.HandleFunc("login.gotest.com/", login)

	srv := &http.Server{
		Addr:    ":8443",
		Handler: router,
	}

	go func() {
		if err := srv.ListenAndServeTLS(sslCert, sslKey); err != nil && err != http.ErrServerClosed {
			log.Fatalf("Failed to initialize server: %v\n", err)
		}
	}()

	log.Printf("Listening on port %v\n", srv.Addr)

	// Wait for kill signal of channel
	quit := make(chan os.Signal, 1)

	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)

	// This blocks until a signal is passed into the quit channel
	<-quit

	// The context is used to inform the server it has 5 seconds to finish
	// the request it is currently handling
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	// Shutdown server
	log.Println("\nShutting down server...")
	if err := srv.Shutdown(ctx); err != nil {
		log.Fatalf("Server forced to shutdown: %v\n", err)
	}
}