/*
 * 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, apiPut, parseParams, setupHeader } from "/global.js";

(function()
{
	// Element names specific to this page
	elements.changeButton = "change-button";
	elements.currentAddress = "current-address";
	elements.newAddress = "new-address";
	elements.notifications = "notifications";
	elements.timezone = "timezone";
	elements.toggleNotifications = "toggle-notifications";
	elements.user = "user";

	// Data received from API calls
	var data = {};
	data.profile = {};

	// Static references to UI elements
	var ui = {};
	ui.changeButton = {};
	ui.currentAddress = {};
	ui.newAddress = {};
	ui.notifications = {};
	ui.timezone = {};
	ui.toggleNotifications = {};
	ui.user = {};

	// Callback for profile API call
	var displayProfile = function(response)
	{
		data.profile = response;

		ui.user.innerHTML = data.profile.username;
		ui.currentAddress.innerHTML = data.profile.email;
		if (data.profile.email_notifications)
			ui.notifications.innerHTML = "Enabled";
		else
			ui.notifications.innerHTML = "Disabled";
		ui.toggleNotifications.disabled = false;
	};

	// Event handler for change email button
	var handleChange = function(event)
	{
		if (event.currentTarget.disabled)
			return;

		var req = {
			"email": ui.newAddress.value
		};

		apiPut("/profile", req, function(response)
		{
			ui.newAddress.value = "";
			location.reload();
		});
	};

	// Click handler for toggle notifications button
	var handleToggle = function(event)
	{
		if (event.currentTarget.disabled)
			return;

		var req = {
			"email_notifications": !data.profile.email_notifications
		};

		apiPut("/profile", req, function(response)
		{
			location.reload();
		});
	};

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

		setupHeader();

		// Get element references
		ui.changeButton = document.getElementById(elements.changeButton);
		ui.currentAddress = document.getElementById(elements.currentAddress);
		ui.newAddress = document.getElementById(elements.newAddress);
		ui.notifications = document.getElementById(elements.notifications);
		ui.timezone = document.getElementById(elements.timezone);
		ui.toggleNotifications = document.getElementById(elements.toggleNotifications);
		ui.user = document.getElementById(elements.user);

		// Display timezone info
		var now = new Date();
		var offset = now.getTimezoneOffset() / -60;
		ui.timezone.innerHTML = "GMT";
		if (offset >= 0)
			ui.timezone.innerHTML += "+";
		ui.timezone.innerHTML += offset;

		// Register event handlers
		ui.changeButton.addEventListener("click", handleChange);
		ui.toggleNotifications.addEventListener("click", handleToggle);

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

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