'use strict'
/* global dijit, __ */

let Utils;
let CommonDialogs;
let Filters;
let Users;
let Prefs;

const App = {
	init: function() {
		window.onerror = function (message, filename, lineno, colno, error) {
			report_error(message, filename, lineno, colno, error);
		};

		require(["dojo/_base/kernel",
			"dojo/ready",
			"dojo/parser",
			"dojo/_base/loader",
			"dojo/_base/html",
			"dijit/ColorPalette",
			"dijit/Dialog",
			"dijit/form/Button",
			"dijit/form/CheckBox",
			"dijit/form/DropDownButton",
			"dijit/form/FilteringSelect",
			"dijit/form/MultiSelect",
			"dijit/form/Form",
			"dijit/form/RadioButton",
			"dijit/form/ComboButton",
			"dijit/form/Select",
			"dijit/form/SimpleTextarea",
			"dijit/form/TextBox",
			"dijit/form/ValidationTextBox",
			"dijit/InlineEditBox",
			"dijit/layout/AccordionContainer",
			"dijit/layout/AccordionPane",
			"dijit/layout/BorderContainer",
			"dijit/layout/ContentPane",
			"dijit/layout/TabContainer",
			"dijit/Menu",
			"dijit/ProgressBar",
			"dijit/Toolbar",
			"dijit/Tree",
			"dijit/tree/dndSource",
			"dojo/data/ItemFileWriteStore",
			"lib/CheckBoxStoreModel",
			"lib/CheckBoxTree",
			"fox/Utils",
			"fox/CommonDialogs",
			"fox/CommonFilters",
			"fox/PrefUsers",
			"fox/PrefHelpers",
			"fox/PrefFeedStore",
			"fox/PrefFilterStore",
			"fox/PrefFeedTree",
			"fox/PrefFilterTree",
			"fox/PrefLabelTree"], function (dojo, ready, parser) {

			ready(function () {
				try {
					Utils = fox.Utils();
					CommonDialogs = fox.CommonDialogs();
					Filters = fox.CommonFilters();
					Users = fox.PrefUsers();
					Prefs = fox.PrefHelpers();

					parser.parse();

					Utils.setLoadingProgress(50);

					const clientTzOffset = new Date().getTimezoneOffset() * 60;
					const params = {op: "rpc", method: "sanityCheck", clientTzOffset: clientTzOffset};

					xhrPost("backend.php", params, (transport) => {
						Utils.backendSanityCallback(transport);
					});

				} catch (e) {
					exception_error(e);
				}
			});
		});
	},
	initSecondStage: function() {
		document.onkeydown = () => { App.hotkeyHandler(event) };
		Utils.setLoadingProgress(50);
		notify("");

		let tab = Utils.urlParam('tab');

		if (tab) {
			tab = dijit.byId(tab + "Tab");
			if (tab) {
				dijit.byId("pref-tabs").selectChild(tab);

				switch (Utils.urlParam('method')) {
					case "editfeed":
						window.setTimeout(function () {
							CommonDialogs.editFeed(Utils.urlParam('methodparam'))
						}, 100);
						break;
					default:
						console.warn("initSecondStage, unknown method:", Utils.urlParam("method"));
				}
			}
		} else {
			let tab = localStorage.getItem("ttrss:prefs-tab");

			if (tab) {
				tab = dijit.byId(tab);
				if (tab) {
					dijit.byId("pref-tabs").selectChild(tab);
				}
			}
		}

		dojo.connect(dijit.byId("pref-tabs"), "selectChild", function (elem) {
			localStorage.setItem("ttrss:prefs-tab", elem.id);
		});

	},
	hotkeyHandler: function (event) {
		if (event.target.nodeName == "INPUT" || event.target.nodeName == "TEXTAREA") return;

		const action_name = Utils.keyeventToAction(event);

		if (action_name) {
			switch (action_name) {
				case "feed_subscribe":
					CommonDialogs.quickAddFeed();
					return false;
				case "create_label":
					CommonDialogs.addLabel();
					return false;
				case "create_filter":
					Filters.quickAddFilter();
					return false;
				case "help_dialog":
					Utils.helpDialog("main");
					return false;
				default:
					console.log("unhandled action: " + action_name + "; keycode: " + event.which);
			}
		}
	},
	isPrefs: function() {
		return true;
	}
};

function opmlImportComplete(iframe) {
	if (!iframe.contentDocument.body.innerHTML) return false;

	Element.show(iframe);

	notify('');

	if (dijit.byId('opmlImportDlg'))
		dijit.byId('opmlImportDlg').destroyRecursive();

	const content = iframe.contentDocument.body.innerHTML;

	const dialog = new dijit.Dialog({
		id: "opmlImportDlg",
		title: __("OPML Import"),
		style: "width: 600px",
		onCancel: function () {
			window.location.reload();
		},
		execute: function () {
			window.location.reload();
		},
		content: content
	});

	dialog.show();
}

function opmlImport() {

	const opml_file = $("opml_file");

	if (opml_file.value.length == 0) {
		alert(__("Please choose an OPML file first."));
		return false;
	} else {
		notify_progress("Importing, please wait...", true);

		Element.show("upload_iframe");

		return true;
	}
}

function opmlRegenKey() {
	if (confirm(__("Replace current OPML publishing address with a new one?"))) {
		notify_progress("Trying to change address...", true);

		xhrJson("backend.php", { op: "pref-feeds", method: "regenOPMLKey" }, (reply) => {
			if (reply) {
				const new_link = reply.link;
				const e = $('pub_opml_url');

				if (new_link) {
					e.href = new_link;
					e.innerHTML = new_link;

					new Effect.Highlight(e);

					notify('');

				} else {
					notify_error("Could not change feed URL.");
				}
			}
		});
	}
	return false;
}

function gotoExportOpml(filename, settings) {
	const tmp = settings ? 1 : 0;
	document.location.href = "backend.php?op=opml&method=export&filename=" + filename + "&settings=" + tmp;
}