/*! © SpryMedia Ltd, Dominique Fournier, Brad Wasson, Peter Vilhan, Kevin Gilkey-Graham - datatables.net/license */

/**
 * Sorts a column containing IP addresses (IPv4 and IPv6) or IPv4 address and port delimited by ':' in typical dot
 * notation / colon. This can be most useful when using DataTables for a
 * networking application, and reporting information containing IP address.
 *
 *  @name IP addresses
 *  @summary Sort IP addresses numerically
 *  @author Dominique Fournier
 *  @author Brad Wasson
 *  @author Peter Vilhan
 *  @author Kevin Gilkey-Graham
 *
 *  @example
 *    $('#example').dataTable( {
 *       columnDefs: [
 *         { type: 'ip-address', targets: 0 }
 *       ]
 *    } );
 */

import DataTable from 'datatables.net';

DataTable.ext.type.order['ip-address-pre'] = function (a) {
	var i, item;
	var m, n, t, p;
	var x, xa;

	if (!a) {
		return '000000000000';
	}

	a = a.replace(/<[\s\S]*?>/g, '');
	//IPv4:Port
	t = a.split(':');
	if (t.length == 2) {
		m = t[0].split('.');
		p = t[1];
	}
	else {
		m = a.split('.');
	}

	n = a.split(':');
	x = '';
	xa = '';

	if (m.length == 4) {
		// IPV4
		for (i = 0; i < m.length; i++) {
			item = m[i];
			x += '000'.substr(item.length) + item;
		}

		if (p) {
			x += ':' + '00000'.substr(p.length) + p;
		}
	}
	else if (n.length > 0) {
		// IPV6
		var count = 0;

		for (i = 0; i < n.length; i++) {
			item = n[i];

			if (i > 0) {
				xa += ':';
			}

			if (item.length === 0) {
				count += 0;
			}
			else {
				xa += '0000'.substr(item.length) + item;
				count += 4;
			}
		}

		// Padding the ::
		n = xa.split(':');
		var paddDone = 0;

		for (i = 0; i < n.length; i++) {
			item = n[i];

			if (item.length === 0 && paddDone === 0) {
				for (var padding = 0; padding < 32 - count; padding++) {
					x += '0';
					paddDone = 1;
				}
			}
			else {
				x += item;
			}
		}
	}

	return x;
};
