<?php
/*
** Copyright (C) 2001-2024 Zabbix SIA
**
** This program is free software: you can redistribute it and/or modify it under the terms of
** the GNU Affero General Public License as published by the Free Software Foundation, version 3.
**
** This program 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 Affero General Public License for more details.
**
** You should have received a copy of the GNU Affero General Public License along with this program.
** If not, see <https://www.gnu.org/licenses/>.
**/


/**
 * @var CView $this
 */
?>

<script>
	const view = new class {

		/**
		 * Current host ID.
		 * @type {string}
		 */
		#hostid;

		/**
		 * Selected dashboard ID.
		 * @type {string}
		 */
		#dashboardid;

		/**
		 * @tape {Object}
		 */
		#host_dashboards;

		/**
		 * @type {Map}
		 */
		#host_dashboard_tabs = new Map();

		/**
		 * @type {CSortable}
		 */
		#dashboard_tabs;

		/**
		 * @type {HTMLElement|null}
		 */
		#selected_dashboard_tab = null;

		/**
		 * @type {HTMLElement}
		 */
		#host_dashboard_navigation_tabs

		/**
		 * @type {HTMLElement}
		 */
		#previous_dashboard;

		/**
		 * @type {HTMLElement}
		 */
		#next_dashboard;

		/**
		 * @type {boolean}
		 */
		#skip_time_selector_range_update = false;

		init({
			host_dashboards,
			dashboard,
			widget_defaults,
			configuration_hash,
			broadcast_requirements,
			dashboard_host,
			dashboard_time_period,
			web_layout_mode
		}) {
			this.#hostid = dashboard_host.hostid;
			this.#dashboardid = dashboard.dashboardid;

			if (dashboard.pages.length > 1 || (dashboard.pages.length === 1 && dashboard.pages[0].widgets.length > 0)) {
				timeControl.refreshPage = false;

				ZABBIX.Dashboard = new CDashboard(document.querySelector('.<?= ZBX_STYLE_DASHBOARD ?>'), {
					containers: {
						grid: document.querySelector('.<?= ZBX_STYLE_DASHBOARD_GRID ?>'),
						navigation: document.querySelector('.<?= ZBX_STYLE_DASHBOARD_NAVIGATION ?>'),
						navigation_tabs: document.querySelector('.<?= ZBX_STYLE_DASHBOARD_NAVIGATION_TABS ?>')
					},
					buttons: web_layout_mode == <?= ZBX_LAYOUT_KIOSKMODE ?>
						? {
							previous_page: document
								.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_KIOSKMODE_PREVIOUS_PAGE?>'),
							next_page: document.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_KIOSKMODE_NEXT_PAGE ?>'),
							slideshow: document
								.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_KIOSKMODE_TOGGLE_SLIDESHOW ?>')
						}
						: {
							previous_page: document.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_PREVIOUS_PAGE ?>'),
							next_page: document.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_NEXT_PAGE ?>'),
							slideshow: document.querySelector('.<?= ZBX_STYLE_BTN_DASHBOARD_TOGGLE_SLIDESHOW ?>')
						},
					data: {
						dashboardid: dashboard.dashboardid,
						name: dashboard.name,
						userid: null,
						templateid: dashboard.templateid,
						display_period: dashboard.display_period,
						auto_start: dashboard.auto_start
					},
					max_dashboard_pages: <?= DASHBOARD_MAX_PAGES ?>,
					cell_width: 100 / <?= DASHBOARD_MAX_COLUMNS ?>,
					cell_height: <?= DASHBOARD_ROW_HEIGHT ?>,
					max_columns: <?= DASHBOARD_MAX_COLUMNS ?>,
					max_rows: <?= DASHBOARD_MAX_ROWS ?>,
					widget_defaults,
					configuration_hash,
					is_editable: false,
					is_edit_mode: false,
					can_edit_dashboards: false,
					is_kiosk_mode: web_layout_mode == <?= ZBX_LAYOUT_KIOSKMODE ?>,
					broadcast_options: {
						[CWidgetsData.DATA_TYPE_HOST_ID]: {rebroadcast: false},
						[CWidgetsData.DATA_TYPE_HOST_IDS]: {rebroadcast: false},
						[CWidgetsData.DATA_TYPE_TIME_PERIOD]: {rebroadcast: true}
					},
					csrf_token: <?= json_encode(CCsrfTokenHelper::get('dashboard')) ?>
				});

				for (const page of dashboard.pages) {
					for (const widget of page.widgets) {
						widget.fields = Object.keys(widget.fields).length > 0 ? widget.fields : {};
					}

					ZABBIX.Dashboard.addDashboardPage(page);
				}

				const time_period = {
					from: dashboard_time_period.from,
					from_ts: dashboard_time_period.from_ts,
					to: dashboard_time_period.to,
					to_ts: dashboard_time_period.to_ts
				};

				CWidgetsData.setDefault(CWidgetsData.DATA_TYPE_TIME_PERIOD, time_period, {is_comparable: false});

				ZABBIX.Dashboard.broadcast({
					[CWidgetsData.DATA_TYPE_HOST_ID]: [dashboard_host.hostid],
					[CWidgetsData.DATA_TYPE_HOST_IDS]: [dashboard_host.hostid],
					[CWidgetsData.DATA_TYPE_TIME_PERIOD]: time_period
				});

				ZABBIX.Dashboard.activate();

				ZABBIX.Dashboard.on(CDashboard.EVENT_FEEDBACK, (e) => this.#onFeedback(e));

				ZABBIX.Dashboard.on(DASHBOARD_EVENT_CONFIGURATION_OUTDATED, () => {
					location.href = location.href;
				});
			}

			if (CWidgetsData.DATA_TYPE_TIME_PERIOD in broadcast_requirements) {
				jQuery.subscribe('timeselector.rangeupdate', (e, data) => this.#onTimeSelectorRangeUpdate(data));
			}

			jqBlink.blink();

			if (web_layout_mode == <?= ZBX_LAYOUT_NORMAL ?>) {
				this.#host_dashboards = host_dashboards;
				this.#host_dashboard_navigation_tabs = document
					.querySelector('.<?= ZBX_STYLE_HOST_DASHBOARD_NAVIGATION_TABS ?>');
				this.#previous_dashboard = document
					.querySelector('.<?= ZBX_STYLE_BTN_HOST_DASHBOARD_PREVIOUS_DASHBOARD ?>');
				this.#next_dashboard = document.querySelector('.<?= ZBX_STYLE_BTN_HOST_DASHBOARD_NEXT_DASHBOARD ?>');

				this.#activateHostDashboardNavigation();
				this.#addHostDashboardTabs();
				this.#addEventListeners();
			}

			this.#setSubmitCallback();
		}

		#activateHostDashboardNavigation() {
			const sortable_element = document.createElement('ul');
			this.#host_dashboard_navigation_tabs.appendChild(sortable_element);
			this.#dashboard_tabs = new CSortable(sortable_element, {
				is_horizontal: true,
				enable_sorting: false
			});
		}

		#addHostDashboardTabs() {
			for (const host_dashboard of this.#host_dashboards) {
				const url = new Curl('zabbix.php');
				url.setArgument('action', 'host.dashboard.view');
				url.setArgument('hostid', this.#hostid);
				url.setArgument('dashboardid', host_dashboard.dashboardid);

				host_dashboard.link = url.getUrl();

				const tab = document.createElement('li');
				const tab_contents = document.createElement('div');
				const tab_contents_name = document.createElement('span');

				tab.appendChild(tab_contents);
				tab_contents.appendChild(tab_contents_name);

				tab.tabIndex = 0;

				tab_contents_name.textContent = host_dashboard.name;
				tab_contents_name.title = host_dashboard.name;

				this.#dashboard_tabs.getTarget().insertBefore(tab, null);
				this.#host_dashboard_tabs.set(host_dashboard.dashboardid, tab);
			}

			this.#selected_dashboard_tab = this.#host_dashboard_tabs.get(this.#dashboardid);
			this.#selected_dashboard_tab.firstElementChild.classList.add(ZBX_STYLE_DASHBOARD_SELECTED_TAB);
			this.#previous_dashboard.disabled = this.#selected_dashboard_tab.previousElementSibling === null;
			this.#next_dashboard.disabled = this.#selected_dashboard_tab.nextElementSibling === null;
			this.#dashboard_tabs.scrollIntoView(this.#selected_dashboard_tab, {immediate: true});
		}

		#addEventListeners() {
			this.#host_dashboard_navigation_tabs.addEventListener('click', (e) => {
				const dashboard_tab = e.target.closest('li');

				if (dashboard_tab !== null && dashboard_tab.parentElement === this.#dashboard_tabs.getTarget()) {
					this.#selectHostDashboardTab(dashboard_tab);
				}
			});

			this.#host_dashboard_navigation_tabs.addEventListener('keydown', (e) => {
				if (e.key === 'Enter') {
					const dashboard_tab = e.target.closest('li');

					if (dashboard_tab !== null && dashboard_tab !== this.#selected_dashboard_tab) {
						this.#selectHostDashboardTab(dashboard_tab);
					}
				}
			});

			this.#previous_dashboard.addEventListener('click', () => {
				const keys = [...this.#host_dashboard_tabs.keys()];
				const previous_dashboardid = keys[keys.indexOf(this.#dashboardid) - 1];

				this.#selectHostDashboardTab(this.#host_dashboard_tabs.get(previous_dashboardid));
			});

			this.#next_dashboard.addEventListener('click', () => {
				const keys = [...this.#host_dashboard_tabs.keys()];
				const next_dashboardid = keys[keys.indexOf(this.#dashboardid) + 1];

				this.#selectHostDashboardTab(this.#host_dashboard_tabs.get(next_dashboardid));
			});

			const host_dashboard_list = document.querySelector('.<?= ZBX_STYLE_BTN_HOST_DASHBOARD_LIST ?>');

			if (host_dashboard_list !== null) {
				host_dashboard_list.addEventListener('click', (e) => {
					let dropdown_items = [];
					let dropdown = [];

					for (const host_dashboard of this.#host_dashboards) {
						dropdown_items.push({
							label: host_dashboard.name,
							clickCallback: () => {
								window.location.href = host_dashboard.link;
							}
						});
					}

					dropdown.push({items: dropdown_items});

					jQuery(e.target).menuPopup(dropdown, new jQuery.Event(e), {
						position: {
							of: e.target,
							my: 'left bottom',
							at: 'left top'
						}
					});
				});
			}
		}

		#selectHostDashboardTab(dashboard_tab) {
			let selected_dashboardid = null;

			for (const [key, tab] of this.#host_dashboard_tabs.entries()) {
				if (tab === dashboard_tab) {
					selected_dashboardid = key;
					break;
				}
			}

			for (const host_dashboard of this.#host_dashboards) {
				if (host_dashboard.dashboardid === selected_dashboardid) {
					window.location.href = host_dashboard.link;
				}
			}
		}

		#onTimeSelectorRangeUpdate(data) {
			if (this.#skip_time_selector_range_update) {
				this.#skip_time_selector_range_update = false;

				return;
			}

			const time_period = {
				from: data.from,
				from_ts: data.from_ts,
				to: data.to,
				to_ts: data.to_ts
			};

			CWidgetsData.setDefault(CWidgetsData.DATA_TYPE_TIME_PERIOD, time_period, {is_comparable: false});

			ZABBIX.Dashboard.broadcast({
				[CWidgetsData.DATA_TYPE_TIME_PERIOD]: time_period
			});
		}

		#onFeedback(e) {
			if (e.detail.type === CWidgetsData.DATA_TYPE_TIME_PERIOD && e.detail.value !== null) {
				this.#skip_time_selector_range_update = true;

				$.publish('timeselector.rangechange', {
					from: e.detail.value.from,
					to: e.detail.value.to
				});
			}
		}

		executeNow(target, data) {
			const curl = new Curl('zabbix.php');

			curl.setArgument('action', 'item.execute');

			data[CSRF_TOKEN_NAME] = <?= json_encode(CCsrfTokenHelper::get('item')) ?>;

			return fetch(curl.getUrl(), {
				method: 'POST',
				headers: {'Content-Type': 'application/json'},
				body: JSON.stringify(data)
			})
				.then(response => response.json())
				.then(response => {
					clearMessages();
					if (response.error) {
						addMessage(makeMessageBox('bad', response.error.messages, response.error.title))
					}
					else {
						addMessage(makeMessageBox('good', [], response.success.title))
					}
				})
				.catch(() => {
					clearMessages();
					addMessage(makeMessageBox('bad', [<?= json_encode(_('Unexpected server error.')) ?>]));
				});
		}

		#setSubmitCallback() {
			window.popupManagerInstance.setSubmitCallback((e) => {
				let curl = null;
				const data = e.detail;

				if ('success' in data) {
					postMessageOk(data.success.title);


					if ('messages' in data.success) {
						postMessageDetails('success', data.success.messages);
					}

					if ('action' in data.success && data.success.action === 'delete') {
						curl = new Curl('zabbix.php');
						curl.setArgument('action', 'host.view');
					}
				}
				else {
					postMessageError(data.error.title);

					if ('messages' in data.error) {
						postMessageDetails('error', data.error.messages);
					}
				}

				location.href = curl === null ? location.href : curl.getUrl();
			});
		}
	}
</script>
