var TPL_HOME = 'home';
var TPL_PREFS = 'prefs';
var TPL_SENDER = 'sender';
var TPL_DLG_MSG = 'dlg-msg';
var TPL_DLG_INFO = 'dlg-info';
var TPL_DLG_SENDER = 'dlg-sender';
var templateCache = {}; // mustache templates
var prefsRendered = false;

function app_init() {
  $('.dialog').hide();
  $('.ost').hide();
  app_menu_init("data/menu/", "hauptmenue.json", "../jslib/app-menu/app-menu.tpl", ".west", "8em");
  app_get_template('data/tpl/dlg-msg.tpl', TPL_DLG_MSG);
  app_get_template('data/tpl/dlg-info.tpl', TPL_DLG_INFO);
  app_get_template('data/tpl/sender.tpl', TPL_SENDER);
  app_get_template('data/tpl/dlg-sender-edit.tpl', TPL_DLG_SENDER);
  //app_get_template('tpl/prefs.tpl', 'prefs');
  $('.sued').text('Bereit.');
  setTimeout(function() {
    app_get_sender();
  }, 200);
}

/* --- Menüfunktionen --- */

function app_nachricht_test() {
  app_dialog_laden_und_zeigen(templateCache[TPL_DLG_MSG], 'data/msg-test.json');
  app_menu_toggle();
}

function app_info_dialog_zeigen() {
  app_dialog_laden_und_zeigen(templateCache[TPL_DLG_INFO], '');
  app_menu_toggle();
}

function app_neuer_sender() {
  app_dialog_laden_und_zeigen(templateCache[TPL_DLG_SENDER], '');
  $('#sender-speichern').on('click', function() {
    $('#sender-speichern').attr('onclick','').unbind('click');
    app_dialog_schliessen();
    $('.sued').text('Speichern gewaehlt');
    setTimeout(function() {
      $('.sued').text('Bereit.');
    }, 1500);
  });
  app_menu_toggle();
}


/* --- Sonstiges --- */

function app_dialog_zeigen(vorlage, inhalt) {
  $(".dialog").html(Mustache.render(vorlage, inhalt));
  $(".close-btn").on('click', function() {
    app_dialog_schliessen();
    /*
    $('.close-btn').attr('onclick','').unbind('click');
    $('.dialog').slideUp(300);
    */
  });
  $('.dialog').slideDown(300);
}

function app_dialog_schliessen() {
  $('.close-btn').attr('onclick','').unbind('click');
  $('.dialog').slideUp(300);
}

/* --- Ajax-Aufrufe --- */

function app_get_sender() {
  $.ajax({
    url: "data/sender.json",
    type: "GET",
    dataType : "json"
  }).done(function( senderliste ) {
    $(".sender-behaelter").html(Mustache.render(templateCache[TPL_SENDER], senderliste));
  });
}

function app_dialog_laden_und_zeigen(vorlage, adresse) {
  if(adresse !== '') {
    $.ajax({
      url: adresse,
      type: "GET",
      dataType : "json"
    }).done(function( msg ) {
      app_dialog_zeigen(vorlage, msg);
    });
  } else {
    app_dialog_zeigen(vorlage, '');
  }
}

/*
  Ein Template vom Server in den Cache laden
  template_url - home.tpl, prefs.tpl, sender.tpl
  tname - 'home', 'prefs', 'sender'
*/
function app_get_template(template_url, tname) {
  $.ajax({
    url: template_url,
    type: "GET",
    dataType : "text"
  }).done(function( template ) {
    templateCache[tname] = template;
  });
}