var presentation = ["<word>son of Robert Belcher, Sr.<\/word>","<word>husband of Linda<\/word>","<word>father of Tina, Gene, and Louise<\/word>","<word>third-generation restaurateur<\/word>","<word>proprietor<\/word>","<word>Bob's Burgers<\/word>","<word>main character<\/word>","<word>series<\/word>","<word>town<\/word>","<phrase>Bob Belcher is the <strong data-readahead=\"main character\" class=\"presentation_word\">main character<\/strong> of the <strong data-readahead=\"series\" class=\"presentation_word\">series<\/strong>. He is the <strong data-readahead=\"son of Robert Belcher, Sr.\" class=\"presentation_word\">son of Robert Belcher, Sr.<\/strong>, the <strong data-readahead=\"husband of Linda\" class=\"presentation_word\">husband of Linda<\/strong>, and the <strong data-readahead=\"father of Tina, Gene, and Louise\" class=\"presentation_word\">father of Tina, Gene, and Louise<\/strong>. He is a <strong data-readahead=\"third-generation restaurateur\" class=\"presentation_word\">third-generation restaurateur<\/strong> and currently the <strong data-readahead=\"proprietor\" class=\"presentation_word\">proprietor<\/strong> of his eponymous burger restaurant <strong data-readahead=\"Bob's Burgers\" class=\"presentation_word\">Bob's Burgers<\/strong> in a shore <strong data-readahead=\"town\" class=\"presentation_word\">town<\/strong>.<\/phrase>","<word>tall<\/word>","<word>paunchy<\/word>","<word>entertain himself<\/word>","<word>having conversations with inanimate objects<\/word>","<word>speak back as the inanimate object,<\/word>","<word>enjoys making puns<\/word>","<word>name his burger specials<\/word>","<word>pattern<\/word>","<word>series<\/word>","<word>beginning<\/word>","<word>food<\/word>","<word>voice<\/word>","<phrase>Bob is a <strong data-readahead=\"tall\" class=\"presentation_word\">tall<\/strong>, <strong data-readahead=\"paunchy\" class=\"presentation_word\">paunchy<\/strong> and swarthy chef, he has male <strong data-readahead=\"pattern\" class=\"presentation_word\">pattern<\/strong> baldness and a bushy mustache. It is also mentioned in the episode that Bob's mother had died sometime prior to the <strong data-readahead=\"series\" class=\"presentation_word\">series<\/strong>' <strong data-readahead=\"beginning\" class=\"presentation_word\">beginning<\/strong>. Bob has a tendency to <strong data-readahead=\"entertain himself\" class=\"presentation_word\">entertain himself<\/strong> by <strong data-readahead=\"having conversations with inanimate objects\" class=\"presentation_word\">having conversations with inanimate objects<\/strong>, mainly <strong data-readahead=\"food\" class=\"presentation_word\">food<\/strong>, and then <strong data-readahead=\"speak back as the inanimate object,\" class=\"presentation_word\">speak back as the inanimate object,<\/strong> usually in a high, squeaky <strong data-readahead=\"voice\" class=\"presentation_word\">voice<\/strong>. He also <strong data-readahead=\"enjoys making puns\" class=\"presentation_word\">enjoys making puns<\/strong>, utilizing this talent to <strong data-readahead=\"name his burger specials\" class=\"presentation_word\">name his burger specials<\/strong>.<\/phrase>","<word>poor with business management<\/word>","<word>cursed with an unlucky streak<\/word>","<word>skills at burger cooking<\/word>","<word>excellent<\/word>","<word>primary business rival<\/word>","<word>Italian restaurant<\/word>","<word>Jimmy Pesto's Pizzeria<\/word>","<word>across the street<\/word>","<word>Bob's Burgers<\/word>","<phrase>While <strong data-readahead=\"poor with business management\" class=\"presentation_word\">poor with business management<\/strong>, and <strong data-readahead=\"cursed with an unlucky streak\" class=\"presentation_word\">cursed with an unlucky streak<\/strong>, his <strong data-readahead=\"skills at burger cooking\" class=\"presentation_word\">skills at burger cooking<\/strong> have been shown to be <strong data-readahead=\"excellent\" class=\"presentation_word\">excellent<\/strong>, to the point where he has been referred to as a \"beef artist\" by Mr. Fischoeder. His <strong data-readahead=\"primary business rival\" class=\"presentation_word\">primary business rival<\/strong> is Jimmy Pesto who owns an <strong data-readahead=\"Italian restaurant\" class=\"presentation_word\">Italian restaurant<\/strong>, <strong data-readahead=\"Jimmy Pesto's Pizzeria\" class=\"presentation_word\">Jimmy Pesto's Pizzeria<\/strong>, <strong data-readahead=\"across the street\" class=\"presentation_word\">across the street<\/strong> from <strong data-readahead=\"Bob's Burgers\" class=\"presentation_word\">Bob's Burgers<\/strong>.<\/phrase>","<word>giving the customer a quality meal<\/word>","<word>goes the extra mile<\/word>","<word>biggest accomplishment<\/word>","<word>Meatsiah<\/word>","<word>steak tartare center<\/word>","<word>medium-well cooked burger<\/word>","<word>burger Wellington<\/word>","<word>ensure<\/word>","<phrase>Bob prides himself on <strong data-readahead=\"giving the customer a quality meal\" class=\"presentation_word\">giving the customer a quality meal<\/strong> and <strong data-readahead=\"goes the extra mile\" class=\"presentation_word\">goes the extra mile<\/strong> to <strong data-readahead=\"ensure\" class=\"presentation_word\">ensure<\/strong> that, choosing fresh ingredients he gets from the local farmer's markets and co-ops. His <strong data-readahead=\"biggest accomplishment\" class=\"presentation_word\">biggest accomplishment<\/strong> is the '<strong data-readahead=\"Meatsiah\" class=\"presentation_word\">Meatsiah<\/strong>', a concoction that consists of a <strong data-readahead=\"steak tartare center\" class=\"presentation_word\">steak tartare center<\/strong> with a <strong data-readahead=\"medium-well cooked burger\" class=\"presentation_word\">medium-well cooked burger<\/strong> surrounding it and a <strong data-readahead=\"burger Wellington\" class=\"presentation_word\">burger Wellington<\/strong> surrounding the burger.<\/phrase>","<word>allergic to shellfish<\/word>","<word>lobster<\/word>","<word>causes his face to swell<\/word>","<word>sea<\/word>","<word>town<\/word>","<phrase>Bob is <strong data-readahead=\"allergic to shellfish\" class=\"presentation_word\">allergic to shellfish<\/strong>, particularly <strong data-readahead=\"lobster\" class=\"presentation_word\">lobster<\/strong>, as it <strong data-readahead=\"causes his face to swell\" class=\"presentation_word\">causes his face to swell<\/strong> any time he eats it. This is a problem, as the <strong data-readahead=\"sea\" class=\"presentation_word\">sea<\/strong> <strong data-readahead=\"town\" class=\"presentation_word\">town<\/strong> the Belchers live in has an annual <strong data-readahead=\"lobster\">lobster<\/strong> festival.<\/phrase>"];
	var currentPosition = 0;
	var totalPositions = 0;
	var timePerWord = 1500;
	var timePerPhraseWord = 120
	var readAheadPlayerTimer;
	var autoPlay = true;
	var setMinimized = false;

	var wordSpeedOptions = {'Slower':2000,'Moderate':1200,'Fast':800};
	var phraseSpeedOptions = {'Slower':280,'Moderate':200,'Fast':80};
	var defaultWordSpeedOption = 'Moderate';
	var defaultPhraseSpeedOption = 'Moderate';
	var logToLTI = false;

	$(window).load(function(){
		totalPositions = presentation.length;
		if (totalPositions > 0){
			$('body').prepend('<div id="read_ahead_player_back"></div>');
			$('body').prepend('<div id="read_ahead_player"></div>');
			$('#read_ahead_player').prepend('<div id="read_ahead_player_field" class="read_ahead_word_section"></div>');
			initializeReadAheadControls();
			initializeReadAheadSlider();
			initializeReadAheadSpeedOptions();
			currentReadAheadControls();
			resumeReadAheadPlayback();
		}
	});

	$(document).keyup(function(e){
		switch(e.which) {
			case 37: 
				pauseReadAheadPresentation();
				priorReadAheadPresentationItem();
				break;
			case 39:
				pauseReadAheadPresentation();
				nextReadAheadPresentationItem();
				break;
			default:
				break;
		}

	});

	function initializeReadAheadControls(){
		var s = '';
		s += '<a href="javascript:void(0)" onclick="read_ahead_switch_min_max(true);" id="read_ahead_player_max_min" class="player-icons" aria-label="minimize/maximize player">';
		s += '<span class="fa-stack fa-lg " aria-hidden><i class="fa fa-circle fa-stack-2x"></i><i class="fa fa-minus fa-stack-1x fa-inverse"></i></span>';
		s += '</a>';
		s += '<div id="read_ahead_controls">';
		s += '<a href="javascript:void(0)" onclick="priorReadAheadPresentationItem()" id="read_ahead_player_previous_word" class="player-icons" aria-label="previous keyword">';
		s += '<span class="fa-stack fa-lg " aria-hidden><i class="fa fa-circle fa-stack-2x"></i><i class="fa fa-backward fa-stack-1x fa-inverse"></i></span>';
		s += '</a>';
		s += '<a href="javascript:void(0)" onclick="pauseReadAheadPresentation()" id="read_ahead_player_pause_play" class="player-icons" aria-label="play/pause">';
		s += '<span class="fa-stack fa-lg " aria-hidden><i class="fa fa-circle fa-stack-2x"></i><i class="fa fa-pause fa-stack-1x fa-inverse"></i></span>';
		s += '</a>';
		s += '<a href="javascript:void(0)" onclick="nextReadAheadPresentationItem()" id="read_ahead_player_next_word" class="player-icons" aria-label="next keyword">';
		s += '<span class="fa-stack fa-lg " aria-hidden><i class="fa fa-circle fa-stack-2x"></i><i class="fa fa-forward fa-stack-1x fa-inverse"></i></span>';
		s += '</a>';
		s += '</div>';
		$('#read_ahead_player').append(s);
	}

	function initializeReadAheadSlider(){
		var s = '';
		s += '<div class="read_ahead_slider" id="readAheadSlider">';
		s += '<div class="read_ahead_slider_bar" id="readAheadSliderBar"></div>';
		s += '</div>';
		$('#read_ahead_controls').prepend(s);
		updateReadAheadSliderPosition();
	}

	function initializeReadAheadSpeedOptions(){
		var s = '<div id="read_ahead_player_options">';
		s += '<div class="slider_control" id="slider_control_word_speed">';
		s += ' Word Speed<br/>';
		s += '<div class="slider_bar">';
		optionCount = 0;
		for (index in wordSpeedOptions) { optionCount++; }
		optionWidth = 100 / optionCount;
		for (index in wordSpeedOptions) {
			var option = wordSpeedOptions[index];
			if (index == defaultWordSpeedOption) {
				s += '<a href="javascript:void(0)" id="slider_control_word_speed_'+option+'" onclick="updateReadAheadWordSpeed('+option+',this)" style="width:'+optionWidth+'%;" title="'+index+'" data-speed="'+option+'" class="current_speed" aria-label="'+index+'"></a>';
				updateReadAheadWordSpeed(option);
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				s += '<a href="javascript:void(0)" id="slider_control_word_speed_'+option+'" onclick="updateReadAheadWordSpeed('+option+',this)" style="width:'+optionWidth+'%;" title="'+index+'" data-speed="'+option+'" aria-label="'+index+'"></a>';
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		s += '</div>';
		s += '</div>';
		s += '<div class="slider_control" id="slider_control_phrase_speed">';
		s += ' Phrase Speed<br/>';
		s += '<div class="slider_bar">';
		optionCount = 0;
		for (index in phraseSpeedOptions) { optionCount++; }
		optionWidth = 100 / optionCount;
		for (index in phraseSpeedOptions) {
			var option = phraseSpeedOptions[index];
			if (index == defaultWordSpeedOption) {
				s += '<a href="javascript:void(0)" id="slider_control_phrase_speed_'+option+'" onclick="updateReadAheadPhraseSpeed('+option+',this)" style="width:'+optionWidth+'%;" title="'+index+'" data-speed="'+option+'" class="current_speed" aria-label="'+index+'"></a>';
				updateReadAheadPhraseSpeed(option);
			} else {
				s += '<a href="javascript:void(0)" id="slider_control_phrase_speed_'+option+'" onclick="updateReadAheadPhraseSpeed('+option+',this)" style="width:'+optionWidth+'%;" title="'+index+'" data-speed="'+option+'" aria-label="'+index+'"></a>';
			}
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		s += '</div>';
		s += '</div>';
		s += '</div>';
		$('#read_ahead_controls').append(s);
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	function updateReadAheadWordSpeed(microseconds,sender) {
		microseconds = microseconds != undefined && microseconds > 0 ? microseconds : 0;
		if (microseconds > 0) { timePerWord = microseconds; }
		if (sender!=undefined) { 
			$('#slider_control_word_speed').find('a').removeClass('current_speed');
			$(sender).addClass('current_speed');
		}
		logReadAheadPlayerAction('updateReadAheadWordSpeed','Presentation',microseconds);
	}

	function updateReadAheadPhraseSpeed(microseconds,sender) {
		microseconds = microseconds != undefined && microseconds > 0 ? microseconds : 0;
		if (microseconds > 0 ) { timePerPhraseWord = microseconds; }
		if (sender!=undefined) { 
			$('#slider_control_phrase_speed').find('a').removeClass('current_speed');
			$(sender).addClass('current_speed');
		}
		logReadAheadPlayerAction('updateReadAheadPhraseSpeed','Presentation',microseconds);
	}

	function updateReadAheadSliderPosition(){
		var currentSliderBarWidth = 100 - (100 / totalPositions * (currentPosition + 1));
		$('#readAheadSliderBar').css('width',currentSliderBarWidth+'%');
	}

	function currentReadAheadControls(){
		$('#read_ahead_player_pause_play').show();
		if (currentPosition < totalPositions - 1)	{
			$('#read_ahead_player_next_word').removeClass('disabled');
		} else {
			$('#read_ahead_player_next_word').addClass('disabled');
		}
		if (currentPosition > 0) {
			$('#read_ahead_player_previous_word').removeClass('disabled');
		} else {
			$('#read_ahead_player_previous_word').addClass('disabled');
		}
	}

	function restartReadAheadPresentation(){
		currentPosition = 0;
		logReadAheadPlayerAction('restartReadAheadPresentation','Presentation','');
		resumeReadAheadPlayback();
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	function resumeReadAheadPlayback(){
		$('.fa-repeat').removeClass('fa-repeat').addClass('fa-play');
		$('#read_ahead_player_pause_play').each(function(){
			$(this).find('.fa-play').removeClass('fa-play').addClass('fa-pause');
			$(this).off('click');
			$(this).attr('onclick','pauseReadAheadPresentation()');
		});
		logReadAheadPlayerAction('resumeReadAheadPlayback','Presentation','');
		playReadAheadPresentation();
	}

	function pauseReadAheadPresentation(){
		$('#read_ahead_player_pause_play').each(function(){
			$(this).find('.fa-pause').removeClass('fa-pause').addClass('fa-play');
			$(this).off('click');
			$(this).attr('onclick','resumeReadAheadPlayback()');
		});
		logReadAheadPlayerAction('pauseReadAheadPresentation','Presentation','');
		read_ahead_pause();
	}

	function endReadAheadPresentation(){
		$('.fa-play').removeClass('fa-play').addClass('fa-repeat');
		$('.fa-pause').removeClass('fa-pause').addClass('fa-repeat');
		$('#read_ahead_player_pause_play').each(function(){
			$(this).off('click');
			$(this).attr('onclick','restartReadAheadPresentation()');
		});
		logReadAheadPlayerAction('endReadAheadPresentation','Presentation','');
		logLTIEndPresentation();
	}

	function playReadAheadPresentation(){
		autoPlay=true;
		currentPosition--;
		logReadAheadPlayerAction('playReadAheadPresentation','Presentation','');
		nextReadAheadPresentationItem(); 
	}

	function startReadAheadStepper(timeDisplayWord){
		clearInterval(readAheadPlayerTimer);
		readAheadPlayerTimer = setTimeout(function() { read_ahead_step(); },timeDisplayWord);
	}

	function stopReadAheadStepper(){
		clearInterval(readAheadPlayerTimer);
	}

	function read_ahead_step(){
		if (autoPlay) {
			nextReadAheadPresentationItem();
		}
	}

	function read_ahead_pause(){
		autoPlay=false;
		stopReadAheadStepper();
	}

	function showReadAheadPresentationItem(index){
		currentPosition = index;
		currentPresentationItem = presentation[currentPosition] != undefined ? presentation[currentPosition].trim() : "";
		if (currentPresentationItem != "") {
			currentItemWordCount = presentation[currentPosition].replace("\n","").split(" ").length;
			if (currentPresentationItem.startsWith("<word>")){
				startReadAheadStepper(currentItemWordCount*timePerWord);
				$('#read_ahead_player_field').html('<div class="read_ahead_word" style="display:block;">'+currentPresentationItem+'</div>');
				logReadAheadPlayerAction('showReadAheadPresentationItem','Word',currentPresentationItem);
		
			} else {
				startReadAheadStepper(currentItemWordCount*timePerPhraseWord);
				$('#read_ahead_player_field').html('<div class="read_ahead_text_box" style="display:block;"><div class="read_ahead_text">'+currentPresentationItem.replace("\n","<br />")+'</div></div>');
				logReadAheadPlayerAction('showReadAheadPresentationItem','Phrase','');
		
			}
		} else {
			if (currentPosition < totalPositions) {
				nextReadAheadPresentationItem();
			} else {
				endReadAheadPresentation();
				read_ahead_minimize();
			}
		}
		currentReadAheadControls();
		updateReadAheadSliderPosition();
		saveReadAheadPosition();
	}

	function priorReadAheadPresentationItem(){
		stopReadAheadStepper();
		logReadAheadPlayerAction('priorReadAheadPresentationItem','Controls','');
		showReadAheadPresentationItem(currentPosition-1);
	}


	function nextReadAheadPresentationItem(){
		stopReadAheadStepper();
		logReadAheadPlayerAction('nextReadAheadPresentationItem','Controls','');
		showReadAheadPresentationItem(currentPosition+1);
	}

	function read_ahead_playAgain(){
		currentWordIndex = 0;
		logReadAheadPlayerAction('read_ahead_playAgain','Controls','');
		playReadAheadPresentation();
	}


	function read_ahead_minimize(){
		setMinimized = true;
		logReadAheadPlayerAction('read_ahead_minimize','Controls','');
		read_ahead_switch_min_max();
	}

	function read_ahead_maximize(){
		setMinimized = false;
		logReadAheadPlayerAction('read_ahead_maximize','Controls','');
		read_ahead_switch_min_max();
	}

	function read_ahead_switch_min_max(forceSwitch){
		forceSwitch = forceSwitch != undefined ? forceSwitch : false;
		if (forceSwitch) { setMinimized = !setMinimized; }

		if (setMinimized) {
			$('#read_ahead_player_back').fadeOut();
			$('#read_ahead_player').addClass('minimize');
			$('.player-icons .fa-stack').removeClass('fa-lg').addClass('fa-sm');
			$('.player-icons .fa-minus').removeClass('fa-minus').addClass('fa-expand');
			logReadAheadPlayerAction('read_ahead_switch_min_max','Min','');
			//$('#read_ahead_player_max_min').each(function(){
			//	$(this).off('click');
			//	$(this).attr('onclick','read_ahead_maximize()');
			//});
		} else {
			$('#read_ahead_player_back').fadeIn();
			$('#read_ahead_player').removeClass('minimize');
			$('.player-icons .fa-stack').removeClass('fa-sm').addClass('fa-lg');
			$('.player-icons .fa-expand').removeClass('fa-expand').addClass('fa-minus');
			logReadAheadPlayerAction('read_ahead_switch_min_max','Max','');
			//$('#read_ahead_player_max_min').each(function(){
			//	$(this).off('click');
			//	$(this).attr('onclick','read_ahead_minimize()');
			//});
		}

	}

	function saveReadAheadPosition(){
		$.ajax({
			type:'POST',
			url:'/ajax/save_user_presentation_position.php',
			data: { 'id':2590,
					'position': currentPosition
				}
		})
		.done(function(results){
		})
		.fail(function( jqXHR, textStatus ) {
			alert( "Request failed: " + textStatus );
		});

	}

	function logLTIEndPresentation(action) {
		if (!logToLTI) {
			return;
		}

		$.ajax({
			type:'POST',
			url:'/lti/presentationEnded.php',
			data: { 'documentId':2590,
					'userId':0,
				}
		})
	}

	function logReadAheadPlayerAction(action,area,details){
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		var t = d.getTime();
		action = action != undefined ? action.trim() : 'UNKNOWN';
		area = area != undefined ? area.trim() : '';
		details = details != undefined ? details : '';

		// If we are about to show a new word, increase the number of keywords
		// reinforced so we can log that for the Dashboard page.
		if (area == 'Word') {
			window.keywordCount++;
		}

		$.ajax({
			type:'POST',
			url:'/logging/logPlayerAction.php',
			data: { 'documentId':2590,
					'userId':0,
					'playerAction':action,
					'playerArea':area,
					'details':details,
					'timestamp': t
				}
		})
		.done(function(results){
		})
		.fail(function( jqXHR, textStatus ) {
			alert( "Request failed: " + textStatus );
		});

	}