package main

import (
	"log"
	"net/http"
)

// home ...
func home(w http.ResponseWriter, r *http.Request)  {
	if r.URL.Path != "/" {
		http.NotFound(w, r)
		return
	}
	w.Write([]byte("Hello from snippetbox.chaosfem.tw"))
}

// snippetView ...
func snippetView(w http.ResponseWriter, r *http.Request)  {
	w.Write([]byte("It's a snippet!"))
}

// snippetCreate ...
func snippetCreate(w http.ResponseWriter, r *http.Request)  {
	w.Header().Set("Allow", "POST")

	if r.Method != http.MethodPost {
		http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
		return
	}

	w.Write([]byte("Creating a snippet!"))
}

// main it's the snippetbox webapp
func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/", home)
	mux.HandleFunc("/snippet/view", snippetView)
	mux.HandleFunc("/snippet/create", snippetCreate)

	log.Print("starting a server on :4000")
	err := http.ListenAndServe(":4000", mux)
	log.Fatal(err)
}