package sonar

import (
	"html/template"
	"net/http"

	"github.com/gorilla/mux"
)

// Register the routes.
func (s *Sonar) Register() *mux.Router {
	r := mux.NewRouter()

	r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		templ, err := template.ParseFiles("./www/index.gohtml")
		if err != nil {
			log.Error(err.Error())
		}

		flashes := s.GetFlashes(r, w)

		v := map[string]interface{}{
			"Flashes":        flashes,
			"Volume":         s.Volume(),
			"PlaylistStatus": s.Player.Status(),
		}
		templ.ExecuteTemplate(w, "index.gohtml", v)
	})

	// API functions
	POST := r.Methods("GET", "POST").Subrouter()
	POST.HandleFunc("/playlist/start", func(w http.ResponseWriter, r *http.Request) {
		err := s.StartPlaylist()
		if err != nil {
			log.Info("Start: %s", err.Error())
			s.FlashAndRedirect(r, w, "/", "Error: "+err.Error())
		} else {
			s.FlashAndRedirect(r, w, "/", "Playlist started!")
		}
	})
	POST.HandleFunc("/playlist/stop", func(w http.ResponseWriter, r *http.Request) {
		err := s.StopPlaylist()
		if err != nil {
			s.FlashAndRedirect(r, w, "/", "Error: "+err.Error())
		} else {
			s.FlashAndRedirect(r, w, "/", "Playlist stopped!")
		}
	})
	POST.HandleFunc("/volume/higher", func(w http.ResponseWriter, r *http.Request) {
		err := s.VolumeUp()
		if err != nil {
			s.FlashAndRedirect(r, w, "/", "Error:"+err.Error())
		} else {
			s.FlashAndRedirect(r, w, "/", "Volume increased!")
		}
	})
	POST.HandleFunc("/volume/lower", func(w http.ResponseWriter, r *http.Request) {
		err := s.VolumeDown()
		if err != nil {
			s.FlashAndRedirect(r, w, "/", "Error:"+err.Error())
		} else {
			s.FlashAndRedirect(r, w, "/", "Volume lowered!")
		}
	})
	POST.HandleFunc("/volume/mute", func(w http.ResponseWriter, r *http.Request) {
		err := s.VolumeMute()
		if err != nil {
			s.FlashAndRedirect(r, w, "/", "Error:"+err.Error())
		} else {
			s.FlashAndRedirect(r, w, "/", "Volume mute toggled!")
		}
	})

	return r
}