package main

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

func GetOutboundIP() net.IP {
    conn, err := net.Dial("udp", "8.8.8.8:80")
    if err != nil {
        log.Fatal(err)
    }
    defer conn.Close()

    localAddr := conn.LocalAddr().(*net.UDPAddr)

    return localAddr.IP
}

func status(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "HTTP-статус 200")
}

func info_students(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, " Любовникова Екатерина Александровна 791")
}

func state(w http.ResponseWriter, r *http.Request) {
	Ip := GetOutboundIP().String()
	regex := regexp.MustCompile("\\W[0-9]*\\W[0-9]*")
	Ip2 := regex.ReplaceAllString(Ip, ".*.*")
	fmt.Fprintf(w, Ip2)
	fmt.Fprintf(w, " Любовникова Екатерина Александровна ")
	TheGivenTime := time.Now()
	fmt.Fprintf(w, TheGivenTime.Format(" 2006-01-02 3:4:5 pm\n"))
}

func main() {
	http.HandleFunc("/OK/", status)
	http.HandleFunc("/Info/", info_students)
	http.HandleFunc("/Status/", state)
	err := http.ListenAndServe(":2000", nil)

	if err != nil {
		log.Fatal("ListenAndServe: ", err)
	}

}