/**
 * This handles user registration.
 *
 * The form must have the following fields:
 * + UID		The user's user id to login
 * + EMAIL		The users's email address - to receive tokens
 * + FULLNAME	The user's full name
 * + PASS		The users's preferred password
 * + CITY		The user's city
 * + COUNTRY	The user's country - 3 letter ISO code
 * + PCODE		THe user's postal code
 */

var CONTROL_SQRL		= '1';

require('http.js','HTTPRequest');
load('ansitex/load/qrcode-make.js');
load('frame.js');

log(LOG_DEBUG,'+ Control SQRL-LOGIN loaded');

function sqrllogin() {
	var complete = false;
	var cancel = false;

	var page = new Frame(1,2,80,22,BG_BLACK|LIGHTGRAY);

	page.gotoxy(1,1);
	ans2bin(fo.parse(base64_decode(fo.content)),page);
	page.open();
	page.cycle();

	log(LOG_DEBUG,'OPTIONS: '+JSON.stringify(loadOptions('sqrl')));
	sqrl = loadOptions('sqrl');
	http = new HTTPRequest();
	http.SetupGet(sqrl.auth_path,undefined,sqrl.auth_url);
	http.request_headers.push('Accept: application/json');

	try {
		http.SendRequest();
		http.ReadResponse();
		log(LOG_INFO,'SQRL: '+JSON.stringify(http.body));

		var data = http.body
			.split('')
			.map(function(x) {return x.charCodeAt(0)});
		var qr = qrcodegen.QrCode.encodeBinary(data,qrcodegen.QrCode.Ecc.LOW);

		// SMALL Image
		var full = ascii(0xdb);
		var top = ascii(0xdf);
		var bot = ascii(0xdc);
		var blank = ' ';

		var qrcode = '';

		/*
		// Render the top line
		var line = ascii(27)+'[1;37m'+bot;
		for (var y = 0; y < qr.size; y++) {
			line += bot;
		}
		qrcode += line+bot+bot+ascii(27)+'[0m'+"\r\n";
		*/

		// Render the body
		for (var x = -1; x < qr.size; x=x+2) {
			line = ascii(27)+'[1;37m'+full;

			for (var y = 0; y < qr.size; y++) {
				// Top is white
				if (((x==-1)? 0 : qr.getModule(x, y)) == 0) {
					line += (qr.getModule(x+1, y)) ? top : full;

				// Top is black
				} else {
					line += (qr.getModule(x+1, y)) ? blank : bot;
				}
			}

			qrcode += line+full+ascii(27)+'[0m'+"\r\n";
		}

		// Render the bottom
		line = ascii(27)+'[1;37m'+top;
		for (var y = 0; y < qr.size; y++) {
			line += top;
		}
		qrcode += line+top+ascii(27)+'[0m'+"\r\n";

		subframe = new Frame(37,2,43,22,BG_BLACK|LIGHTGRAY,page);
		ans2bin(fo.parse(qrcode),subframe);
		subframe.open();
		subframe.cycle();

		fo.sendBaseline('CANCEL_MSG',false);

		// Loop and see if the user has logged in
		nut = http.body.substr(http.body.indexOf('nut='),68);

		var read = '';
		while (read !== '2') {
			read = console.inkey(K_NONE,1000);

			if (read == 2)
				cancel = true;

			http = new HTTPRequest();
			http.SetupGet(sqrl.auth_post+'?'+nut,undefined,sqrl.auth_url);
			http.request_headers.push('Accept: application/json');

			log(LOG_DEBUG,'Checking NUT in ['+nut+']');
			http.SendRequest();
			http.ReadResponse();

			if (http.response_code == 404) {
				log(LOG_DEBUG,'- NUT not Authorised yet.');

			} else {
				log(LOG_INFO,'NUT: ('+JSON.stringify(http.response_code)+'): '+JSON.stringify(http.body));

				//@todo
				action = ACTION_GOTO;
				next_page = { frame: 98,index: 'a' };

				complete = true;
				subframe.close();
				page.close();

				// We are done
				read = '2';
			}
		}

	} catch (err) {
		log(LOG_INFO,'SQRL Error: '+err+' '+JSON.stringify(sqrl));
		cancel = true;
	}

	if (cancel) {
		complete = true;
		if (typeof subframe === 'object')
			subframe.close();
		page.close();
		action = ACTION_GOTO;
		next_page = { frame: 98,index: 'a' };
	}

	// Called before processing for a field
	Object.defineProperty(this, 'getName', {
		get: function () {
			return 'SQRL-LOGIN';
		}
	});

	Object.defineProperty(this, 'isComplete', {
		get: function () {
			return complete;
		}
	});

	// Nothing to do here
	this.handle=function(read) {
		log(LOG_DEBUG,'Control SQRL-LOGIN handle() start. ('+read+')');

		return read;
	}

	/*
	this.prefield=function() {

	}

	this.process=function() {
		subframe.close();
		frame.close();
	}
	*/
}

this;