verse.js

const b = '\n';

/* comand-line things */
let arg = process.argv[2];

function ignoreHTMLTags(texto) {
	return texto.replace(/<(?:.|\n)*?>/gm, '');
}

/* from website */
function getVerses(book, chapter) {
	return new Promise(function(resolve, reject) {
		let xmlhttp = new XMLHttpRequest2();
		xmlhttp.onreadystatechange = function() {
			if (xmlhttp.readyState == xmlhttp.DONE ) {
				if(xmlhttp.status == 200){
					return resolve(xmlhttp.responseText);
				}
				else if(xmlhttp.status == 400) { return reject();}
				else { return reject(); }
				}
		}
		xmlhttp.open("POST", "http://www.kingjamesbibleonline.org/ajax.php", true);
		xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		xmlhttp.send('callFunc=getMaxVerseForChapter&book='+book+'&chapter='+chapter);
	});
}


/* program starts here */
let xray = require('x-ray');
let x = xray();


function print(txt) { console.log(txt); }
function error(txt) { console.error('Error: ' + txt); }

let fs = require('fs');

let allBooksNames = ['Genesis', 'Exodus', 'Leviticus', 'Numbers', 'Deuteronomy', 'Joshua', 'Judges', 'Ruth', '1 Samuel', '2 Samuel', '1 Kings',
	'2 Kings', '1 Chronicles', '2 Chronicles', 'Ezra', 'Nehemiah', 'Esther', 'Job', 'Psalms', 'Proverbs', 'Ecclesiastes', 'Song of Solomon', 'Isaiah',
	'Jeremiah', 'Lamentations', 'Ezekiel', 'Daniel', 'Hosea', 'Joel', 'Amos', 'Obadiah', 'Jonah', 'Micah', 'Nahum', 'Habakkuk', 'Zephaniah', 'Haggai',
	'Zechariah', 'Malachi', 'Matthew', 'Mark', 'Luke', 'John', 'Acts', 'Romans', '1 Corinthians', '2 Corinthians', 'Galatians', 'Ephesians', 'Philippians',
	'Colossians', '1 Thessalonians', '2 Thessalonians', '1 Timothy', '2 Timothy', 'Titus', 'Philemon', 'Hebrews', 'James', '1 Peter', '2 Peter', '1 John',
	'2 John', '3 John', 'Jude', 'Revelation'];

let allVerseNumbers = [[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],[20,29,22,11,14,17,17,13,21,11,19,17,18,20,8,21,18,24,21,15,27,21]];

let allBooksNamesLowerCase = allBooksNames.map(r => r.toLowerCase());


function* allVerseNumbers2File() {
	let result = [];

	for (let i = 0; i < allBooksNames.length; i++) {
		let book = allBooksNames[i];
		let maxVerse = 'aa';
		let arrayVerses = [];
		for (let j = 1; maxVerse.length !== 0; j++) {
			maxVerse = yield getVerses(book, j);
			if(maxVerse.length) {
				arrayVerses.push(Number(maxVerse));
			}
		}
		result.push(arrayVerses);
	}
	let string = JSON.stringify(result);
	string = string.replace(/\],/g,'],\n');
	fs.writeFile('arrayVerses.txt', string, err => { if(err) {console.log(err); } console.log('Ficheiro guardado'); });
}
/*
let XMLHttpRequest2 = require("xmlhttprequest").XMLHttpRequest;
let co = require('co');
co(allVerseNumbers2File).catch(error); return;
*/

function arrayAllNameVerses() {
	let result = [];
	
	let allBooksNamesFormatted = allBooksNames.map(n => n.replace(' ', '-'));

	for (let i = 0; i < allBooksNamesFormatted.length; i++) {
		let book = allBooksNamesFormatted[i];
		let chapter = 1;
		let arrayTotalVersesOfChapter = allVerseNumbers[i];
		for (let m = 0; m < arrayTotalVersesOfChapter.length; m++) {
			for (let n = 1; n <= arrayTotalVersesOfChapter[m] ; n++) {
				let verseNumber = n;
				result.push(book + '-' + chapter + '-' + verseNumber);
			}
			chapter++;
		}
	}

	return result;
}

let totalNameVersesArray = arrayAllNameVerses();

function beautiful2ChapterName(arg) {
	let result = arg.trim();
	result = result.replace(':', '-').replace(/ /g, '-');
	return result;
}

function arg2ChapterName(arg, beautiful) {
	let chapterName;
	if(!isNaN(arg)) {
		if(arg < 1 || arg > 31102) {
			error('The argument you provided is not correct.'+b+b+'Please use a number from 1 to 31102 or a bible reference,'+b+'for example: Exodus 3:5');
			return null;
		}
		chapterName = totalNameVersesArray[arg - 1];
	} else {
		if(!/^(?:(?:[a-z]{1,}|\d{1}\s[a-z]{1,})\s){1,3}\d{1,}:\d{1,}$/ig.test(arg)) {
			error('The argument you provided is not correct.'+b+b+'Please use a number from 1 to 31102 or a bible reference,'+b+'for example: Exodus 3:5');
			return null;
		}
		//verificar se o livro o chapter e o verse estao correctos
		let arrayValues = /^((?:(?:[a-z]{1,}|\d{1}\s[a-z]{1,})\s){1,3})(\d{1,}):(\d{1,})$/ig.exec(arg);
		let valueBook = arrayValues[1].trim();
		let valueBookLowerCase = valueBook.toLowerCase();
		let valueChapter = arrayValues[2];
		let valueVerse = arrayValues[3];

		let indexOfBook = allBooksNamesLowerCase.indexOf(valueBookLowerCase);
		if(indexOfBook === -1) {
			error('"'+ valueBook + '" is not a proper book name of this bible.');
			return null;
		}


		valueBook = allBooksNames[indexOfBook];
		let maxChapterOfArg = allVerseNumbers[indexOfBook].length;
		if(valueChapter > maxChapterOfArg || valueChapter < 1) {
			error('The book '+ valueBook + ' does not have the chapter '+valueChapter+'.');
			return null;
		}

		let maxVerseOfArg = allVerseNumbers[indexOfBook][valueChapter-1];
		if(valueVerse > maxVerseOfArg || valueVerse < 1) {
			error('The verse '+valueVerse+' does not exist in the chapter '+valueChapter+' of '+ valueBook+'.');
			return null;
		}

		chapterName = beautiful2ChapterName(`${valueBook} ${valueChapter}:${valueVerse}`);
	}
	if(beautiful) {
		chapterName = chapterName.replace(/\-/g, ' ').trim();
		let lastSpace = chapterName.lastIndexOf(' ');
		chapterName = chapterName[0].toUpperCase() + chapterName.substring(1, lastSpace) + ':' +  chapterName.substring(lastSpace+1);
	}
	return chapterName;
}


let linkChapter = arg2ChapterName(arg);
if(!linkChapter) {
	return;
}

let entities = require('entities');
let request = require('request');

request('http://www.kingjamesbibleonline.org/'+ linkChapter +'/', function (err, response, body) {
	if (err || response.statusCode !== 200) {
		error('The connection was unsuccessful. Check your connection please...');
		return;
	}
	HTML2Verse(body, arg);
});

function HTML2Verse(string, arg) {
	x(string, '.versemain', '@html')(function(error, data){
		let text = entities.decodeHTML(data);
		let verseText = text.substring(0, text.indexOf('<br>')).trim();
		verseText = ignoreHTMLTags(verseText);
		print(verseText);
		print('  - ' + arg2ChapterName(arg, true));
	});
}