var bible = {};
bible.Data = {};
bible.Data.books = [
['Genesis','Gen','Ge'],
['Exodus','Ex'],
['Leviticus','Lev','Le'],
['Numbers','Num','Nu'],
['Deuteronomy','Deut','Deu','De'],
['Joshua','Jos','Josh'],
['Judges','Jud','Jdg','Ju'],
['Ruth','Rut','Ru'],
['1 Samuel','1 Sam','1Sam','1 Sa','1Sa','I Samuel','I Sam','I Sa'],
['2 Samuel','2 Sam','2Sam','2 Sa','2Sa','II Samuel','II Sam','II Sa'],
['1 Kings','1 Kin','1Kin','1 Ki','1Ki','I Kings','I Kin','I Ki'],
['2 Kings','2 Kin','2Kin','2 Ki','2Ki','II Kings','II Kin','II Ki'],
['1 Chronicles','1 Chr','1Chr','1 Ch','1Ch','I Chronicles','I Chr','I Ch',],
['2 Chronicles','2 Chr','2Chr','2 Ch','2Ch','II Chronicles','II Chr','II Ch'],
['Ezra','Ezr'],
['Nehemiah','Neh','Ne'],
['Esther','Esth','Est','Es'],
['Job'],
['Psalm','Psalms','Psa','Ps'],
['Proverbs','Prov','Pro','Pr'],
['Ecclesiastes','Ecc','Ec'],
['Song of Songs','Song of Solomon','Song', 'SOS'],
['Isaiah','Isa','Is'],
['Jeremiah','Jer','Je'],
['Lamentations','Lam','La'],
['Ezekiel','Ezek','Eze','Ez'],
['Daniel','Dan','Da'],
['Hosea','Hos','Ho'],
['Joel'],
['Amos'],
['Obadiah','Oba','Ob'],
['Jonah','Jon'],
['Micah','Mic','Mi'],
['Nahum','Nah','Na'],
['Habakkuk','Hab','Ha'],
['Zephaniah','Zep','Zeph'],
['Haggia','Hag'],
['Zechariah','Zech','Zec'],
['Malachi','Mal'],
['Matthew','Matt','Mat','Mt'],
['Mark','Mar','Mk'],
['Luke','Luk','Lu'],
['John','Joh','Jn'],
['Acts','Act','Ac'],
['Romans','Rom','Ro'],
['1 Corinthians','1 Cor','1Cor','1 Co','1Co','I Corinthians','I Cor','I Co',],
['2 Corinthians','2 Cor','2Cor','2 Co','2Co','II Corinthians','II Cor','II Co'],
['Galatians','Gal','Ga'],
['Ephesians','Eph','Ep'],
['Philippians','Phi','Phil'],
['Colossians','Col','Co'],
['1 Thessalonians','1 Thess','1Thess','1 Thes','1Thes','1 The','1The','1 Th','1Th','I Thessalonians','I Thess','I The','I Th'],
['2 Thessalonians','2 Thess','2Thess','2 Thes','2Thes','2 The','2The','2 Th','2Th','II Thessalonians','II Thess','II The','II Th'],
['1 Timothy','1 Tim','1Tim','1 Ti','1Ti','I Timothy','I Tim','I Ti',],
['2 Timothy','2 Tim','2Tim','2 Ti','2Ti','II Timothy','II Tim','II Ti'],
['Titus','Tit','Ti'],
['Philemon','Phile', 'Philm'],
['Hebrews','Heb','He'],
['James','Jam','Jas','Ja'],
['1 Peter','1 Pet','1Pet','1Pe','I Peter','I Pet','I Pe'],
['2 Peter','2 Pet','2Pet','2Pe','II Peter','II Pet','II Pe'],
['1 John','1 Jn','1Jn','1 Jo','1Jo','I John','I Jo','I Jn'],
['2 John','2 Jn','2Jn','2 Jo','2Jo','II John','II Jo','II Jn'],
['3 John','3 Jn','3Jn','3 Jo','3Jo','III John','III Jo','III Jn'],
['Jude'],
['Revelation','Rev','Re', 'Apocalypse']
];
bible.Data.verses = [
[31,25,24,26,32,22,24,22,29,32,32,20,18,24,21,16,27,33,38,18,34,24,20,67,34,35,46,22,35,43,55,32,20,31,29,43,36,30,23,23,57,38,34,34,28,34,31,22,33,26],
[22,25,22,31,23,30,25,32,35,29,10,51,22,31,27,36,16,27,25,26,36,31,33,18,40,37,21,43,46,38,18,35,23,35,35,38,29,31,43,38],
[17,16,17,35,19,30,38,36,24,20,47,8,59,57,33,34,16,30,37,27,24,33,44,23,55,46,34],
[54,34,51,49,31,27,89,26,23,36,35,16,33,45,41,50,13,32,22,29,35,41,30,25,18,65,23,31,40,16,54,42,56,29,34,13],
[46,37,29,49,33,25,26,20,29,22,32,32,18,29,23,22,20,22,21,20,23,30,25,22,19,19,26,68,29,20,30,52,29,12],
[18,24,17,24,15,27,26,35,27,43,23,24,33,15,63,10,18,28,51,9,45,34,16,33],
[36,23,31,24,31,40,25,35,57,18,40,15,25,20,20,31,13,31,30,48,25],
[22,23,18,22],
[28,36,21,22,12,21,17,22,27,27,15,25,23,52,35,23,58,30,24,42,15,23,29,22,44,25,12,25,11,31,13],
[27,32,39,12,25,23,29,18,13,19,27,31,39,33,37,23,29,33,43,26,22,51,39,25],
[53,46,28,34,18,38,51,66,28,29,43,33,34,31,34,34,24,46,21,43,29,53],
[18,25,27,44,27,33,20,29,37,36,21,21,25,29,38,20,41,37,37,21,26,20,37,20,30],
[54,55,24,43,26,81,40,40,44,14,47,40,14,17,29,43,27,17,19,8,30,19,32,31,31,32,34,21,30],
[17,18,17,22,14,42,22,18,31,19,23,16,22,15,19,14,19,34,11,37,20,12,21,27,28,23,9,27,36,27,21,33,25,33,27,23],
[11,70,13,24,17,22,28,36,15,44],
[11,20,32,23,19,19,73,18,38,39,36,47,31],
[22,23,15,17,14,14,10,17,32,3],
[22,13,26,21,27,30,21,22,35,22,20,25,28,22,35,22,16,21,29,29,34,30,17,25,6,14,23,28,25,31,40,22,33,37,16,33,24,41,30,24,34,17],
[6,12,8,8,12,10,17,9,20,18,7,8,6,7,5,11,15,50,14,9,13,31,6,10,22,12,14,9,11,12,24,11,22,22,28,12,40,22,13,17,13,11,5,26,17,11,9,14,20,23,19,9,6,7,23,13,11,11,17,12,8,12,11,10,13,20,7,35,36,5,24,20,28,23,10,12,20,72,13,19,16,8,18,12,13,17,7,18,52,17,16,15,5,23,11,13,12,9,9,5,8,28,22,35,45,48,43,13,31,7,10,10,9,8,18,19,2,29,176,7,8,9,4,8,5,6,5,6,8,8,3,18,3,3,21,26,9,8,24,13,10,7,12,15,21,10,20,14,9,6],
[33,22,35,27,23,35,27,36,18,32,31,28,25,35,33,33,28,24,29,30,31,29,35,34,28,28,27,28,27,33,31],
[18,26,22,16,20,12,29,17,18,20,10,14],
[17,17,11,16,16,13,13,14],
[31,22,26,6,30,13,25,22,21,34,16,6,22,32,9,14,14,7,25,6,17,25,18,23,12,21,13,29,24,33,9,20,24,17,10,22,38,22,8,31,29,25,28,28,25,13,15,22,26,11,23,15,12,17,13,12,21,14,21,22,11,12,19,12,25,24],
[19,37,25,31,31,30,34,22,26,25,23,17,27,22,21,21,27,23,15,18,14,30,40,10,38,24,22,17,32,24,40,44,26,22,19,32,21,28,18,16,18,22,13,30,5,28,7,47,39,46,64,34],
[22,22,66,22,22],
[28,10,27,17,17,14,27,18,11,22,25,28,23,23,8,63,24,32,14,49,32,31,49,27,17,21,36,26,21,26,18,32,33,31,15,38,28,23,29,49,26,20,27,31,25,24,23,35],
[21,49,30,37,31,28,28,27,27,21,45,13],
[11,23,5,19,15,11,16,14,17,15,12,14,16,9],
[20,32,21],
[15,16,15,13,27,14,17,14,15],
[21],
[17,10,10,11],
[16,13,12,13,15,16,20],
[15,13,19],
[17,20,19],
[18,15,20],
[15,23],
[21,13,10,14,11,15,14,23,17,12,17,14,9,21],
[14,17,18,6],
[25,23,17,25,48,34,29,34,38,42,30,50,58,36,39,28,27,35,30,34,46,46,39,51,46,75,66,20],
[45,28,35,41,43,56,37,38,50,52,33,44,37,72,47,20],
[80,52,38,44,39,49,50,56,62,42,54,59,35,35,32,31,37,43,48,47,38,71,56,53],
[51,25,36,54,47,71,53,59,41,42,57,50,38,31,27,33,26,40,42,31,25],
[26,47,26,37,42,15,60,40,43,48,30,25,52,28,41,40,34,28,41,38,40,30,35,27,27,32,44,31],
[32,29,31,25,21,23,25,39,33,21,36,21,14,23,33,27],
[31,16,23,21,13,20,40,13,27,33,34,31,13,40,58,24],
[24,17,18,18,21,18,16,24,15,18,33,21,14],
[24,21,29,31,26,18],
[23,22,21,32,33,24],
[30,30,21,23],
[29,23,25,18],
[10,20,13,18,28],
[12,17,18],
[20,15,16,16,25,21],
[18,26,17,22],
[16,15,15],
[25],
[14,18,19,16,14,20,28,13,28,39,40,29,25],
[27,26,18,17,20],
[25,25,22,19,14],
[21,22,18],
[10,29,24,21,21],
[13],
[14],
[25],
[20,29,22,11,14,17,17,13,21,11,19,17,18,20,8,21,18,24,21,15,27,20]
];

bible.parseReference = function(textReference) {

	var bookID = -1;
	var chapter1 = -1;
	var verse1 = -1;
	var chapter2 = -1;
	var verse2 = -1;
	var input = new String(textReference);

	// tear off book name
	for (var i = 0; i < bible.Data.books.length; i++) {
		for (var j = 0; j < bible.Data.books[i].length; j++) {
			var name = new String(bible.Data.books[i][j]).toLowerCase();
			var possibleMatch = input.substring(0, Math.floor(name.length, input.length)).toLowerCase();

			if (possibleMatch == name) {
				bookID = i + 1;
				input = input.substring(name.length);
				break;
			}

		}
		if (bookID > -1)
			break;
	}

	var afterRange = false;
	var afterSeparator = false;
	var startedNumber = false;
	var currentNumber = '';

	for (var i = 0; i < input.length; i++) {
		var c = input.charAt(i);

		if (c == ' ' || isNaN(c)) {
			if (!startedNumber)
				continue;

			if (c == '-') {
				afterRange = true;
				afterSeparator = false;
			} else if (c == ':' || c == ',' || c == '.') {
				afterSeparator = true;
			} else {
				// ignore
			}

			// reset
			currentNumber = '';
			startedNumber = false;

		} else {
			startedNumber = true;
			currentNumber += c;

			if (afterSeparator) {
				if (afterRange) {
					verse2 = parseInt(currentNumber);
				} else { // 1:1
					verse1 = parseInt(currentNumber);
				}
			} else {
				if (afterRange) {
					chapter2 = parseInt(currentNumber);
				} else { // 1
					chapter1 = parseInt(currentNumber);
				}
			}
		}
	}

	// reassign 1:1-2	
	if (chapter1 > 0 && verse1 > 0 && chapter2 > 0 && verse2 <= 0) {
		verse2 = chapter2;
		chapter2 = chapter1;
	}
	// fix 1-2:5
	if (chapter1 > 0 && verse1 <= 0 && chapter2 > 0 && verse2 > 0) {
		verse1 = 1;
	}

	// just book
	if (bookID > 0 && chapter1 <= 0 && verse1 <= 0 && chapter2 <= 0 && verse2 <= 0) {
		chapter1 = 1;
		verse1 = 1;
	}	


	// finalize

	return new bible.Reference(bookID, chapter1, verse1, chapter2, verse2);
}

bible.Reference = function() {

	var _bookID = -1;
	var _chapter1 = -1;
	var _verse1 = -1;
	var _chapter2 = -1;
	var _verse2 = -1;

	if (arguments.length == 0) {
		// error		
	} else if (arguments.length == 1) { // a string that needs to be parsed
		return bible.parseReference(arguments[0]);
	} else {
		_bookID = arguments[0];
		_chapter1 = arguments[1];
		if (arguments.length >= 3) _verse1 = arguments[2];
		if (arguments.length >= 4) _chapter2 = arguments[3];
		if (arguments.length >= 5) _verse2 = arguments[4];
	}

	function padLeft(input, length, s) {
		while (input.length < length)
			input = s + input;
		return input;
	}

	return {
		bookID: _bookID,
		chapter: _chapter1,
		verse: _verse1,
		chapter1: _chapter1,
		verse1: _verse1,
		chapter2: _chapter2,
		verse2: _verse2,

		isValid: false,

		toString: function() {
			if (this.bookID < 1 || this.bookID > bible.Data.books.length) return "invalid";

			var b = bible.Data.books[this.bookID - 1][0] + ' ';

			if (this.chapter1 > 0 && this.verse1 <= 0 && this.chapter2 <= 0 && this.verse2 <= 0) // John 1
				return b + this.chapter1;
			else if (this.chapter1 > 0 && this.verse1 > 0 && this.chapter2 <= 0 && this.verse2 <= 0) // John 1:1
				return b + this.chapter1 + ':' + this.verse1;
			else if (this.chapter1 > 0 && this.verse1 > 0 && this.chapter2 <= 0 && this.verse2 > 0) // John 1:1-5
				return b + this.chapter1 + ':' + this.verse1 + '-' + this.verse2;
			else if (this.chapter1 > 0 && this.verse1 <= 0 && this.chapter2 > 0 && this.verse2 <= 0) // John 1-2
				return b + this.chapter1 + '-' + this.chapter2;
			else if (this.chapter1 > 0 && this.verse1 > 0 && this.chapter2 > 0 && this.verse2 > 0) // John 1:1-2:2
				return b + this.chapter1 + ':' + this.verse1 + '-' + ((this.chapter1 != this.chapter2) ? this.chapter2 + ':' : '') + this.verse2;
			else
				return 'unknown';
		},
		toOsis: function() {
			if (this.bookID <= 0 || this.bookID > bible.Data.books.length) return "invalid";
			return bible.Data.books[this.bookID - 1][0] + '.' + this.chapter1 + '.' + this.verse1;
		},
		toChapterCode: function() {
			if (this.bookID <= 0 || this.bookID > bible.Data.books.length) return "invalid";
			//return this.bookID.toString() + this.chapter1.toString()
			return 'c' + padLeft(this.bookID.toString(), 3, '0') + padLeft(this.chapter1.toString(), 3, '0');
		},
		toVerseCode: function() {
			if (this.bookID <= 0 || this.bookID > bible.Data.books.length) return "invalid";
			return 'v' + padLeft(this.bookID.toString(), 3, '0') + padLeft(this.chapter1.toString(), 3, '0') + padLeft(this.verse1.toString(), 3, '0');
		},
		prevChapter: function() {
			this.verse1 = 1;
			this.chapter2 = -1;
			this.verse2 = -1;
			if (this.chapter1 == 1 && this.bookID > 1) {
				this.bookID--;
				this.chapter1 = bible.Data.verses[this.bookID - 1].length;
			}
			else {
				this.chapter1--;
			}
			return this;
		},
		nextChapter: function() {
			this.verse1 = 1;
			this.chapter2 = -1;
			this.verse2 = -1;
			if (this.chapter1 < bible.Data.verses[this.bookID - 1].length) {
				this.chapter1++;
			} else if (this.bookID < bible.Data.books.length) {
				this.bookID++;
				this.chapter1 = 1;
			}

			return this;
		}
		,
		isFirstChapter: function() {
			return (this.bookID == 1 && this.chapter1 ==1); //  && this.verse1 == 1);
		},
		isLastChapter: function() {
			var v = bible.Data.verses[this.bookID-1];
			
			return (this.bookID	== bible.Data.books.length &&
				this.chapter1 == v.length);//  && 	this.verse1 == v[v.length-1]);
		}
	}
};
bible.utility = {};