'use strict';

/* eslint-disable no-new */
/* global __, dijit, dojo, Tables, xhrPost, Notify, xhrJson, App, fox, Effect */

const	Helpers = {
	AppPasswords: {
		getSelected: function() {
			return Tables.getSelected("app-password-list");
		},
		updateContent: function(data) {
			$("app_passwords_holder").innerHTML = data;
			dojo.parser.parse("app_passwords_holder");
		},
		removeSelected: function() {
			const rows = this.getSelected();

			if (rows.length == 0) {
				alert("No passwords selected.");
			} else if (confirm(__("Remove selected app passwords?"))) {

				xhrPost("backend.php", {op: "pref-prefs", method: "deleteAppPassword", ids: rows.toString()}, (transport) => {
					this.updateContent(transport.responseText);
					Notify.close();
				});

				Notify.progress("Loading, please wait...");
			}
		},
		generate: function() {
			const title = prompt("Password description:")

			if (title) {
				xhrPost("backend.php", {op: "pref-prefs", method: "generateAppPassword", title: title}, (transport) => {
					this.updateContent(transport.responseText);
					Notify.close();
				});

				Notify.progress("Loading, please wait...");
			}
		},
	},
	Feeds: {
		clearFeedAccessKeys: function() {
			if (confirm(__("This will invalidate all previously generated feed URLs. Continue?"))) {
				Notify.progress("Clearing URLs...");

				xhrPost("backend.php", {op: "pref-feeds", method: "clearKeys"}, () => {
					Notify.info("Generated URLs cleared.");
				});
			}

			return false;
		},
	},
	System: {
		getPHPInfo: function(widget) {
			xhrPost("backend.php", {op: 'pref-system', method: 'getphpinfo'}, (transport) => {
				widget.attr('content', transport.responseText);
			});
		}
	},
	EventLog: {
		log_page: 0,
		refresh: function() {
			this.log_page = 0;
			this.update();
		},
		update: function() {
			xhrPost("backend.php", { op: "pref-system", severity: dijit.byId("severity").attr('value'), page: Helpers.EventLog.log_page }, (transport) => {
				dijit.byId('systemTab').attr('content', transport.responseText);
				Notify.close();
			});
		},
		nextPage: function()  {
			this.log_page += 1;
			this.update();
		},
		prevPage: function() {
			if (this.log_page > 0) this.log_page -= 1;

			this.update();
		},
		clear: function() {
			if (confirm(__("Clear event log?"))) {

				Notify.progress("Loading, please wait...");

				xhrPost("backend.php", {op: "pref-system", method: "clearLog"}, () => {
					Helpers.EventLog.refresh();
				});
			}
		},
	},
	Profiles: {
		edit: function() {
			const dialog = new fox.SingleUseDialog({
				id: "profileEditDlg",
				title: __("Settings Profiles"),
				getSelectedProfiles: function () {
					return Tables.getSelected("pref-profiles-list");
				},
				removeSelected: function () {
					const sel_rows = this.getSelectedProfiles();

					if (sel_rows.length > 0) {
						if (confirm(__("Remove selected profiles? Active and default profiles will not be removed."))) {
							Notify.progress("Removing selected profiles...", true);

							const query = {
								op: "rpc", method: "remprofiles",
								ids: sel_rows.toString()
							};

							xhrPost("backend.php", query, () => {
								Notify.close();
								dialog.refresh();
							});
						}

					} else {
						alert(__("No profiles selected."));
					}
				},
				addProfile: function () {
					if (this.validate()) {
						Notify.progress("Creating profile...", true);

						const query = {op: "rpc", method: "addprofile", title: dialog.attr('value').newprofile};

						xhrPost("backend.php", query, () => {
							Notify.close();
							dialog.refresh();
						});

					}
				},
				refresh: function() {
					xhrPost("backend.php", {op: 'pref-prefs', method: 'editPrefProfiles'}, (transport) => {
						dialog.attr('content', transport.responseText);
					});
				},
				execute: function () {
					const sel_rows = this.getSelectedProfiles();

					if (sel_rows.length == 1) {
						if (confirm(__("Activate selected profile?"))) {
							Notify.progress("Loading, please wait...");

							xhrPost("backend.php", {op: "rpc", method: "setprofile", id: sel_rows.toString()}, () => {
								window.location.reload();
							});
						}

					} else {
						alert(__("Please choose a profile to activate."));
					}
				},
				content: ""
			});

			dialog.refresh();
			dialog.show();
		},
	},
	Prefs: {
		customizeCSS: function() {
			xhrJson("backend.php", {op: "pref-prefs", method: "customizeCSS"}, (reply) => {

				const dialog = new fox.SingleUseDialog({
					title: __("Customize stylesheet"),
					apply: function() {
						xhrPost("backend.php", this.attr('value'), () => {
							new Effect.Appear("css_edit_apply_msg");
							$("user_css_style").innerText = this.attr('value');
						});
					},
					execute: function () {
						Notify.progress('Saving data...', true);

						xhrPost("backend.php", this.attr('value'), () => {
							window.location.reload();
						});
					},
					content: `
						<div class='alert alert-info'>
							${__("You can override colors, fonts and layout of your currently selected theme with custom CSS declarations here.")}
						</div>

						${App.FormFields.hidden('op', 'rpc')}
						${App.FormFields.hidden('method', 'setpref')}
						${App.FormFields.hidden('key', 'USER_STYLESHEET')}

						<div id='css_edit_apply_msg' style='display : none'>
							<div class='alert alert-warning'>
								${__("User CSS has been applied, you might need to reload the page to see all changes.")}
							</div>
						</div>

						<textarea class='panel user-css-editor' dojoType='dijit.form.SimpleTextarea'
							style='font-size : 12px;' name='value'>${reply.value}</textarea>

						<footer>
							<button dojoType='dijit.form.Button' class='alt-success' onclick="App.dialogOf(this).apply()">
								${__('Apply')}
							</button>
							<button dojoType='dijit.form.Button' class='alt-primary' type='submit'>
								${__('Save and reload')}
							</button>
							<button dojoType='dijit.form.Button' onclick="App.dialogOf(this).hide()">
								${__('Cancel')}
							</button>
						</footer>
					`
				});

				dialog.show();

			});
		},
		confirmReset: function() {
			if (confirm(__("Reset to defaults?"))) {
				xhrPost("backend.php", {op: "pref-prefs", method: "resetconfig"}, (transport) => {
					Helpers.Prefs.refresh();
					Notify.info(transport.responseText);
				});
			}
		},
		clearPluginData: function(name) {
			if (confirm(__("Clear stored data for this plugin?"))) {
				Notify.progress("Loading, please wait...");

				xhrPost("backend.php", {op: "pref-prefs", method: "clearplugindata", name: name}, () => {
					Helpers.Prefs.refresh();
				});
			}
		},
		refresh: function() {
			xhrPost("backend.php", { op: "pref-prefs" }, (transport) => {
				dijit.byId('prefsTab').attr('content', transport.responseText);
				Notify.close();
			});
		},
	},
	OPML: {
		import: function() {
			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);

				const xhr = new XMLHttpRequest();

				xhr.open( 'POST', 'backend.php', true );
				xhr.onload = function () {
					Notify.close();

					const dialog = new fox.SingleUseDialog({
						title: __("OPML Import"),
						onCancel: function () {
							this.execute();
						},
						execute: function () {
							const tree = dijit.byId('feedTree');

							if (tree) tree.reload();
						},
						content: `
							<div class='alert alert-info'>
								${__("If you have imported labels and/or filters, you might need to reload preferences to see your new data.")}
							</div>
							<div class='panel panel-scrollable'>
								${xhr.responseText}
							</div>
							<footer class='text-center'>
								<button dojoType='dijit.form.Button' type='submit' class='alt-primary'>
									${__('Close this window')}
								</button>
							</footer>
						`
					});

					dialog.show();
				};

				xhr.send(new FormData($("opml_import_form")));

				return false;
			}
		},
		export: function() {
			console.log("export");
			window.open("backend.php?op=opml&method=export&" + dojo.formToQuery("opmlExportForm"));
		},
		changeKey: function() {
			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.close();

						} else {
							Notify.error("Could not change feed URL.");
						}
					}
				});
			}
			return false;
		},
	}
};