/*
 * This file is part of Linode Manager Classic.
 *
 * Linode Manager Classic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Linode Manager Classic is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Linode Manager Classic.  If not, see <https://www.gnu.org/licenses/>.
 */

import { settings, elements, apiGet, md5, parseParams, setupHeader, timeString } from "/global.js";

(function()
{
	// Element names specific to this page
	elements.hoverInfo = "hover-info";
	elements.lmcRow = "lmc-tr1";
	elements.lmcRowAlt = "lmc-tr2";
	elements.sshKeys = "ssh-keys";

	// Data received from API calls
	var data = {};
	data.keys = [];

	// Static references to UI elements
	var ui = {};
	ui.sshKeys = {};

	// Creates a row in the SSH keys table
	var createKeyRow = function(key, alt)
	{
		var row = document.createElement("tr");
		if (alt)
			row.className = elements.lmcRowAlt;
		else
			row.className = elements.lmcRow;

		var label = document.createElement("td");
		label.innerHTML = key.label;
		row.appendChild(label);

		var keyInfo = document.createElement("td");
		var start = document.createElement("span");
		start.className = elements.hoverInfo;
		start.title = key.ssh_key;
		start.innerHTML = key.ssh_key.substring(0, 26);
		keyInfo.appendChild(start);
		var br = document.createElement("br");
		keyInfo.appendChild(br);
		var fingerprint = document.createElement("span");
		try {
			fingerprint.innerHTML = "Fingerprint: " + md5(atob(key.ssh_key.split(" ")[1]), true);
		} catch (error) {
			fingerprint.innerHTML = "Invalid key";
		}
		keyInfo.appendChild(fingerprint);
		row.appendChild(keyInfo);

		var created = document.createElement("td");
		var now = new Date();
		var createDate = new Date(key.created + "Z");
		created.innerHTML = timeString(now - createDate, true);
		row.appendChild(created);

		var options = document.createElement("td");
		var removeLink = document.createElement("a");
		removeLink.href = "/profile/ssh/remove?kid=" + key.id;
		removeLink.innerHTML = "Remove";
		options.appendChild(removeLink);
		row.appendChild(options);

		return row;
	};

	// Callback for ssh keys API call
	var displayKeys = function(response)
	{
		data.keys = data.keys.concat(response.data);

		// Request the next page if there are more
		if (response.page != response.pages) {
			apiGet("/profile/sshkeys?page=" + (response.page + 1), displayKeys, null);
			return;
		}


		// Redirect to add page if there are no keys
		if (!data.keys.length)
			location.href = "/profile/ssh/add";

		// Add keys to table
		for (var i = 0; i < data.keys.length; i++)
			ui.sshKeys.appendChild(createKeyRow(data.keys[i], i % 2));
	};

	// Initial setup
	var setup = function()
	{
		// Parse URL parameters
		data.params = parseParams();

		setupHeader();

		// Get element references
		ui.sshKeys = document.getElementById(elements.sshKeys);

		// Get data from API
		apiGet("/profile/sshkeys", displayKeys, null);
	};

	// Attach onload handler
	window.addEventListener("load", setup);
})();