// Copyright 2018 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

function sortTable(item, colName, conv, desc = false) {
	table = item.parentNode.parentNode.parentNode;
	rows = table.rows;
	col = findColumnByName(rows[0].getElementsByTagName("th"), colName);
	values = [];
	for (i = 1; i < rows.length; i++)
		values.push([conv(rows[i].getElementsByTagName("td")[col].textContent), rows[i]]);
	if (desc)
		desc = !isSorted(values.slice().reverse())
	else
		desc = isSorted(values);
	values.sort(function(a, b) {
		if (a[0] == b[0]) return 0;
		if (desc && a[0] > b[0] || !desc && a[0] < b[0]) return -1;
		return 1;
	});
	for (i = 0; i < values.length; i++)
		table.appendChild(values[i][1]);
	return false;
}

function findColumnByName(headers, colName) {
	for (i = 0; i < headers.length; i++) {
		if (headers[i].textContent == colName)
			return i;
	}
	return 0;
}

function isSorted(values) {
	for (i = 0; i < values.length - 1; i++) {
		if (values[i][0] > values[i + 1][0])
			return false;
	}
	return true;
}

function textSort(v) { return v.toLowerCase(); }
function numSort(v) { return -parseInt(v); }
function floatSort(v) { return -parseFloat(v); }
function reproSort(v) { return v == "C" ? 0 : v == "syz" ? 1 : 2; }
function patchedSort(v) { return v == "" ? -1 : parseInt(v); }

function timeSort(v) {
	if (v == "now")
		return 0;
	m = v.indexOf('m');
	h = v.indexOf('h');
	d = v.indexOf('d');
	if (m > 0 && h < 0)
		return parseInt(v);
	if (h > 0 && m > 0)
		return parseInt(v) * 60 + parseInt(v.substring(h + 1));
	if (d > 0 && h > 0)
		return parseInt(v) * 60 * 24 + parseInt(v.substring(d + 1)) * 60;
	if (d > 0)
		return parseInt(v) * 60 * 24;
	return 1000000000;
}