package main

import (
	"fmt"
	"net/http"
)

func homeHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/html; charset=utf8")
	fmt.Fprint(w, "<h1>Welcome to my awesome site!</h1>")
}
func contactHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/html; charset=utf8")
	fmt.Fprint(w, "<h1>Contact Page</h1><p>To get in touch, email me at <a href=\"mailto:example@example.com\">example@example.com</a></p>")
}
func faqHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/html; charset=utf8")
	fmt.Fprint(w, `
    <h1>FAQ</h1>
    <hr>
    <h3>Is this a real website?</h3>
    <p>No.</p>
    <h3>I Can Has Cheezburger?</h3>
    <p>No.</p>
  `)
}

type Router struct{}

func (router Router) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	switch r.URL.Path {
	case "/":
		homeHandler(w, r)
	case "/contact":
		contactHandler(w, r)
	case "/faq":
		faqHandler(w, r)
	default:
		w.Header().Set("Content-Type", "text/html; charset=utf8")
		w.WriteHeader(http.StatusNotFound)
		fmt.Fprint(w, "404 page not found")
	}
	fmt.Fprintf(w, "<hr><p>%s</p>", r.URL.Path)
}

func main() {
	var router Router
	fmt.Println("Starting the server on :3000...")
	http.ListenAndServe(":3000", router)
}