// github.com/jhoonb

package main

import (
	"log"
	"net/http"
)

// view

// APiFunc
func ApiFunc(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("rota api"))
}

// APiTest
func ApiTest(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("rota api teste"))
}

// WebIndex
func WebIndex(w http.ResponseWriter, req *http.Request) {
	// nome do arquivo no diretorio
	render(w, "index.html")
}

// WebTest
func WebTest(w http.ResponseWriter, req *http.Request) {
	// nome do arquivo no diretorio
	render(w, "test.html")
}

// render renderiza o template passado por parametro em tmpl
// para o responser w
func render(w http.ResponseWriter, tmpl string) {

	tmpl = fmt.Sprintf("templates/%s", tmpl)
	tf, err := template.ParseFiles(tmpl)
	if err != nil {
		log.Println("template parsing error: ", err)
	}
	err = tf.Execute(w, "")
	if err != nil {
		log.Println("template executing error: ", err)
	}
}

// main
func main() {

	// static files js/css
	// estrutura de diretorio /static/js/ - /static/css/
	http.HandleFunc("/static/", func(w http.ResponseWriter, r *http.Request) {
		http.ServeFile(w, r, r.URL.Path[1:])
	})

	// rotas web renderiza os templates
	http.HandleFunc("/", WebIndex)
	http.HandleFunc("/test", WebTest)

	// api
	http.HandleFunc("/api", ApiFunc)
	http.HandleFunc("/api/test", ApiTest)
	log.Fatal(http.ListenAndServe(":5000", nil)) // run
}