/**
 * @param {function} back Use back() to return to settings menu
 */



(function(back) {
  // default to buzzing
  var FILE = "chimer.json";
  var settings = {};
  const chimes = ["Off", "Buzz", "Beep", "Both"];
  const frequency = ["60", "30", "15"];


var showMainMenu = () => {
  E.showMenu({
    "": {"title": "Chimer"},
    "< Back": () => back(),
    "Chime Type": {
      value: settings.type,
      min: 0, max: 2, // both is just silly
      format: v => chimes[v],
      onchange: v => {
        settings.type = v;
        writeSettings(settings);
      },
    },
    "Frequency": {
      value: settings.freq,
      min: 0, max: 2,
      format: v => frequency[v],
      onchange: v => {
        settings.freq = v;
        writeSettings(settings);
      }
    },
    "Repetition": {
      value: settings.repeat,
      min: 1, max: 3,
      format: v => v,
      onchange: v => {
        settings.repeat = v;
        writeSettings(settings);
      }
    }
  })
}


  var readSettings = () => {
    var settings = require("Storage").readJSON(FILE, 1) || {
      type: 1,
      freq: 0,
    };
    return settings;
  };

  var writeSettings = (settings) => {
    require("Storage").writeJSON(FILE, settings);
  };

  settings = readSettings();
  showMainMenu();
})