/* --- Global variables for HTML elements  --- */
var newQuoteBtn = document.getElementById("newQuote");
var tweetBtn = document.getElementById("tweet");
var quote = document.getElementById("quote");
var authorDate = document.getElementById("authorDate");
/* ---       End of Global Variables      --- */

/* --- Adding Event Listeners to buttons --- */
if (newQuoteBtn.addEventListener) {
  newQuoteBtn.addEventListener("click", generateQuote, false);
} else if (newQuoteBtn.attachEvent) {
  newQuoteBtn.attachEvent('on click', generateQuote);
}
if (tweetBtn.addEventListener) {
  tweetBtn.addEventListener("click", tweetQuote, false);
} else if (tweetBtn.attachEvent) {
  tweetBtnattachEvent('on click', tweetQuote);
}
/* ---                                   --- */

/* Global Variable(s) */
var lastNumber = -1;
/*--------------------*/

/* Gets a quote and displays it */
function generateQuote() {
  var line = getQuote();
  line = line.split("|");
  quote.innerHTML = line[0];
  authorDate.innerHTML = " - "+line[1];
}


/* Returns random quote from quoteArray */
function getQuote() {
  var quoteArray = ["When I meet a European, the first thing I say is, “I’d much rather watch football than football.” But I’m just teasing them, and they know I’d really rather watch football than football.|Jarod Kintz","Many people say I'm the best women's soccer player in the world. I don't think so. And because of that, someday I just might be.|Mia Hamm","A penalty is a cowardly way to score.|Pelé","Football is a team sport and not an individual sport. We win as a team, and every individual is better if we are part of the team.|Fernando Torres","What I do is play soccer, which is what I like.|Lionel Messi","Football (soccer) is a matter of life and death, except more important.|Bill Shankly","Football is the ballet of the masses|Dmitri Shostakovich","International football is the continuation of war by other means|Eric Arthur Blair"];

do {
var randomNumber = Math.floor(Math.random() * quoteArray.length);
} while(randomNumber === lastNumber);
  
lastNumber = randomNumber;
return quoteArray[randomNumber];
}

/* opens a new window with the quote as a tweet */
function tweetQuote() {
  var quoteText = quote.innerHTML;
  window.open("https://twitter.com/intent/tweet?text="+quoteText+"&related=AnthonyBrunoAUS");
}