JavaScript on App Lab

// create a list of found mbps connection speeds
var callList = [8.2, 9.8, 6.2,];
var walkList = [15.3, 20.7, 17.1];

// Once the user is ready, click the button to begin the process and continue to various screens as they click additional buttons
onEvent("startButton", "click", function ( ) {
  setScreen("locationOptionScreen");
});
onEvent("buttonDC", "click", function( ) {
  setScreen("cityDC");
});
onEvent("buttonChickDC", "click", function( ) {
  setScreen("loadingScreen");
  timer();
  connectionSpeed();
});
onEvent("restartButton", "click", function( ) {
  setScreen("locationOptionScreen");
});


// count down to give the network connection time
function timer() {
  // hide one of the images before timer starts
  hideElement("wifiOne");
  
  // create a variable to begin countdown
  var timeLeft = 6;
  
  // create a timed loop, counting in increments of 1 second
  timedLoop(1000, function() {
    
    // decrease the timeLeft by 1 second as a countdown
    timeLeft = timeLeft - 1;

    // track the timer in the console log and display it to the user
    setText("setTextRelay", "Please wait for " + timeLeft + " seconds.");
    console.log("Time Left: " + timeLeft);
    
    // Switch between the images every second to create a blinker effect
    if (timeLeft % 2 == 0){
      hideElement("wifiTwo");
      showElement("wifiOne");
    } else {
      hideElement("wifiOne");
      showElement("wifiTwo");
    }
    
    // once the time is up, move to the screen for the loaded connection speeds
    if (timeLeft == 0) {
      stopTimedLoop();
      setScreen("waitTimes");
    }
  });
}

// take from the list of mbps connection speeds and display them on the result screen
function connectionSpeed(){
  // create variables to take a float from the list
  var call = randomNumber(0, callList.length - 1);
  var walk = randomNumber(0, walkList.length - 1);
  
  // display the float to the label on the results page
  setText("minutesCall", callList[call]);
  setText("minutesWalk", walkList[walk]);
}