package sonar

import (
	"net/http"
	"strings"

	"github.com/gorilla/mux"
	"github.com/gorilla/sessions"
	"github.com/urfave/negroni"
)

// Program constants.
const (
	Version = "0.1.0"
)

// Sonar is the master app object.
type Sonar struct {
	Debug  bool
	Player *Player
	Config *Config
	url    string

	n        *negroni.Negroni
	router   *mux.Router
	sessions sessions.Store
}

// New creates the Sonar app.
func New() *Sonar {
	s := &Sonar{
		Player: &Player{},
	}

	s.Config = LoadConfig()

	router := s.Register()
	s.router = router

	s.sessions = sessions.NewCookieStore([]byte("XXX DEBUG KEY")) // TODO

	s.n = negroni.New(
		negroni.NewRecovery(),
		negroni.NewLogger(),
		negroni.NewStatic(http.Dir("./www")),
	)
	s.n.UseHandler(router)

	// Watch the player to advance to the next track.
	go s.Watch()

	return s
}

// ListenAndServe starts the HTTP app.
func (s *Sonar) ListenAndServe(address string) error {
	s.url = address
	if strings.HasPrefix(s.url, ":") {
		s.url = "0.0.0.0" + s.url
	}
	log.Info("Listening at http://%s", s.url)
	return http.ListenAndServe(address, s.n)
}