package main

import (
	"log"
	"net/http"
	"path/filepath"
	"text/template"
)

// StreamURL Unexported
type StreamURL struct {
	URL string
}

func index(w http.ResponseWriter, r *http.Request) {
	indexTemplate, err := template.ParseFiles(filepath.Join("templates", "index.html"))
	if err != nil {
		log.Fatal(err)
	}
	indexTemplate.Execute(w, nil)

}

func stream(w http.ResponseWriter, r *http.Request) {
	if r.FormValue("URL") == "" {
		http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
	}
	streamURL := StreamURL{
		URL: r.FormValue("URL"),
	}
	streamTemplate, err := template.ParseFiles(filepath.Join("templates", "stream.html"))

	if err != nil {
		log.Fatal(err)
	}

	streamTemplate.Execute(w, streamURL)
}

func main() {
	staticFileServer := http.FileServer(http.Dir("./static"))
	http.Handle("/static/", http.StripPrefix("/static/", staticFileServer))

	http.HandleFunc("/", index)
	http.HandleFunc("/stream", stream)
	log.Fatal(http.ListenAndServe(":8080", nil))
}