/*!
Name: Reading Time
Dependencies: jQuery
Author: Michael Lynch
Author URL: http://michaelynch.com
Date Created: August 14, 2013
Date Updated: July 11, 2016
Licensed under the MIT license
*/

;(function($) {

	var totalReadingTimeSeconds;

    $.fn.readingTime = function(options) {

		//define default parameters
        var defaults = {
	        readingTimeTarget: '.eta',
            readingTimeAsNumber: false,
	        wordCountTarget: null,
	        wordsPerMinute: 270,
	        round: true,
	        lang: 'en',
			lessThanAMinuteString: '',
			prependTimeString: '',
			prependWordString: '',
	        remotePath: null,
	        remoteTarget: null,
	        success: function() {},
	        error: function() {}
        },
        plugin = this,
        el = $(this);

        //merge defaults and options
        plugin.settings = $.extend({}, defaults, options);

        //define vars
        var s = plugin.settings;

        //if no element was bound
		if(!this.length) {

			//run error callback
			s.error.call(this);

			//return so chained events can continue
			return this;
		}

        //if s.lang is set to italian
        if(s.lang == 'it') {

        	var lessThanAMinute = s.lessThanAMinuteString || "Meno di un minuto";

        	var minShortForm = 'min';

        //if s.lang is set to french
        } else if(s.lang == 'fr') {

        	var lessThanAMinute = s.lessThanAMinuteString || "Moins d'une minute";

        	var minShortForm = 'min';

	    //if s.lang is set to german
        } else if(s.lang == 'de') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Weniger als eine Minute";

	        var minShortForm = 'min';

        //if s.lang is set to spanish
        } else if(s.lang == 'es') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Menos de un minuto";

	        var minShortForm = 'min';

        //if s.lang is set to dutch
        } else if(s.lang == 'nl') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Minder dan een minuut";

	        var minShortForm = 'min';

		//if s.lang is set to slovak
        } else if(s.lang == 'sk') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Menej než minútu";

	        var minShortForm = 'min';

		//if s.lang is set to czech
        } else if(s.lang == 'cz') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Méně než minutu";

	        var minShortForm = 'min';

		//if s.lang is set to Hungarian
        } else if(s.lang == 'hu') {

	        var lessThanAMinute = s.lessThanAMinuteString || "Kevesebb mint egy perc";

	        var minShortForm = 'perc';

    // if s.lang is set to Russian
        } else if (s.lang == 'ru') {

          var lessThanAMinute = s.lessThanAMinuteString || "Меньше минуты";

          var minShortForm = 'мин';

	    //if s.lang is set to Arabic
        } else if (s.lang == 'ar') {

          var lessThanAMinute = s.lessThanAMinuteString || "أقل من دقيقة";

          var minShortForm = 'دقيقة';

        //if s.lang is set to Danish
        } else if(s.lang == 'da') {
            var lessThanAMinute = s.lessThanAMinuteString || "Mindre end et minut";
            var minShortForm = 'min';

        //if s.lang is set to Icelandic
        } else if(s.lang == 'is') {
            var lessThanAMinute = s.lessThanAMinuteString || "Minna en eina mínútu";
            var minShortForm = 'min';

        //if s.lang is set to Norwegian
        } else if(s.lang == 'no') {
            var lessThanAMinute = s.lessThanAMinuteString || "Mindre enn ett minutt";
            var minShortForm = 'min';

        //if s.lang is set to Polish
        } else if(s.lang == 'pl') {
            var lessThanAMinute = s.lessThanAMinuteString || "Mniej niż minutę";
            var minShortForm = 'min';

        //if s.lang is set to Russian
        } else if(s.lang == 'ru') {
            var lessThanAMinute = s.lessThanAMinuteString || "Меньше минуты";
            var minShortForm = 'мой';

        //if s.lang is set to Swedish
        } else if(s.lang == 'sv') {
            var lessThanAMinute = s.lessThanAMinuteString || "Mindre än en minut";
            var minShortForm = 'min';

        //if s.lang is set to Turkish
        } else if(s.lang == 'tr') {
            var lessThanAMinute = s.lessThanAMinuteString || "Bir dakikadan az";
            var minShortForm = 'dk';

        //default s.lang is english
        } else {

	        var lessThanAMinute = s.lessThanAMinuteString || 'Less than a minute';

	        var minShortForm = 'min';

        }

        var setTime = function(text) {

        	if(text !== '') {

		        //split text by spaces to define total words
				var totalWords = text.trim().split(/\s+/g).length;

				//define words per second based on words per minute (s.wordsPerMinute)
				var wordsPerSecond = s.wordsPerMinute / 60;

				//define total reading time in seconds
				totalReadingTimeSeconds = totalWords / wordsPerSecond;

				//define reading time in minutes
				//if s.round is set to true
				if(s.round === true) {

					var readingTimeMinutes = Math.round(totalReadingTimeSeconds / 60);

				//if s.round is set to false
				} else {

					var readingTimeMinutes = Math.floor(totalReadingTimeSeconds / 60);

				}

				//define remaining reading time seconds
				var readingTimeSeconds = Math.round(totalReadingTimeSeconds - readingTimeMinutes * 60);

				//if s.round is set to true
				if(s.round === true) {

					//if minutes are greater than 0
					if(readingTimeMinutes > 0) {

						//set reading time by the minute
						$(s.readingTimeTarget).text(s.prependTimeString + readingTimeMinutes + ((!s.readingTimeAsNumber) ? ' ' + minShortForm : ''));

					} else {

						//set reading time as less than a minute
						$(s.readingTimeTarget).text((!s.readingTimeAsNumber) ? s.prependTimeString + lessThanAMinute : readingTimeMinutes);

					}

				//if s.round is set to false
				} else {

					//format reading time
					var readingTime = readingTimeMinutes + ':' + readingTimeSeconds;

					//set reading time in minutes and seconds
					$(s.readingTimeTarget).text(s.prependTimeString + readingTime);

				}

				//if word count container isn't blank or undefined
				if(s.wordCountTarget !== '' && s.wordCountTarget !== undefined) {

					//set word count
					$(s.wordCountTarget).text(s.prependWordString + totalWords);

				}

				//run success callback
				s.success.call(this);

			} else {

				//run error callback
				s.error.call(this, 'The element is empty.');
			}

		};

		//for each element
		el.each(function() {

	        //if s.remotePath and s.remoteTarget aren't null
	        if(s.remotePath != null && s.remoteTarget != null) {

	        	//get contents of remote file
	    		$.get(s.remotePath, function(data) {

					//set time using the remote target found in the remote file
					setTime($('<div>').html(data).find(s.remoteTarget).text());

				});

	        } else {

		        //set time using the targeted element
		        setTime(el.text());
	        }
        });

        return totalReadingTimeSeconds;
    }


})(jQuery);