require([
    "command",
    "settings!user",
    "ui/dialog",
    "ui/projectManager",
    "ui/keys",
    "fileManager",
    "ui/menus",
    "ui/palette",
    "api",
    "storage/syncfile"
  ], function(command, Settings, dialog) {
  
  var frame = chrome.app.window.current();
  
  command.on("app:exit", function() {
    frame.close();
  });
  
  var setTheme = function() {
    var user = Settings.get("user");
    var themes = {
      "dark": "css/caret-dark.css",
      "light": "css/caret.css"
    };
    var theme = user.uiTheme || "light";
    var url = themes[theme];
    document.find("#theme").setAttribute("href", url);
  }
  
  //the settings manager may also fire init:restart to re-init components after startup
  command.fire("init:startup");
  command.on("init:restart", setTheme);
  setTheme();
  
  var updateID = "caret:update";
  
  var checkUpdates = function(isManual) {
    chrome.runtime.requestUpdateCheck(function(status, details) {
      if (status == "update_available") {
        chrome.notifications.create(updateID, {
          type: "basic",
          iconUrl: "icon-128.png",
          title: "Caret: Update Available",
          message: "An update to Caret version " + details.version + " is available. Would you like to update and restart now?",
          buttons: [ { title: "Yes, update and restart" }, { title: "No thanks" }]
        }, function(id) { updateID = id });
      }
    });
  };
  
  if (Settings.get("user").promptForUpdates !== false) checkUpdates();
  command.on("app:check-for-updates", checkUpdates);
  
  chrome.notifications.onButtonClicked.addListener(function(id, index) {
    if (id != updateID) return;
    if (index == 0) {
      chrome.runtime.reload();
    }
  });
  
});