/**
 * Bundle notification item model. Contains a list of bundled notifications.
 * Is expandable.
 *
 * @class
 * @extends mw.echo.dm.NotificationItem
 *
 * @constructor
 * @param {number} id Notification id
 * @param {mw.echo.dm.NotificationItem[]} bundledNotificationModels
 * @param {Object} [config={}]
 */
mw.echo.dm.BundleNotificationItem = function MwEchoDmBundleNotificationItem( id, bundledNotificationModels, config ) {
	// Parent constructor
	mw.echo.dm.BundleNotificationItem.super.call( this, id, config );

	this.getSecondaryUrls().forEach( ( link ) => {
		// hack: put all secondary actions in the menu for now
		// this is a temporary fix for
		// - alignment of the labels
		// - make sure there isn't to many secondary links (causes a horizontal scrollbar)
		delete link.prioritized;
	} );

	this.setForeign( false );
	this.count = bundledNotificationModels.length;

	// bundled notifications use the compact header and do not have icons
	bundledNotificationModels.forEach( ( bundled ) => {
		bundled.content.header = bundled.content.compactHeader;
		delete bundled.iconUrl;
	} );

	this.list = new mw.echo.dm.NotificationsList();
	this.list.setItems( bundledNotificationModels );

	this.list.connect( this, { itemUpdate: 'onItemUpdate' } );

	// For bundles, 'read' is a computed state based on
	// inner notifications.
	// Calling toggleRead here to initialize based
	// on current computed state.
	this.toggleRead( this.isRead() );
};

OO.inheritClass( mw.echo.dm.BundleNotificationItem, mw.echo.dm.NotificationItem );

/* Methods */

/**
 * Whenever a bundled notification changes, update the read status of the parent.
 */
mw.echo.dm.BundleNotificationItem.prototype.onItemUpdate = function () {
	this.toggleRead( this.isRead() );
};

/**
 * @return {boolean} Whether this bundle is completely read
 */
mw.echo.dm.BundleNotificationItem.prototype.isRead = function () {
	return this.list.getItems().every( ( item ) => item.isRead() );
};

/**
 * Get the list of bundled notifications
 *
 * @return {mw.echo.dm.NotificationsList} List of bundled notifications
 */
mw.echo.dm.BundleNotificationItem.prototype.getList = function () {
	return this.list;
};

/**
 * Get expected item count from all sources
 *
 * @return {number} Item count
 */
mw.echo.dm.BundleNotificationItem.prototype.getCount = function () {
	return this.list.getItemCount();
};

/**
 * Check if there are unseen items in any of the cross wiki source lists.
 * This method is required for all models that are managed by the
 * mw.echo.dm.ModelManager.
 *
 * @return {boolean} There are unseen items
 */
mw.echo.dm.BundleNotificationItem.prototype.hasUnseen = function () {
	return this.list.getItems().some( ( item ) => !item.isSeen() );
};

/**
 * Set all notifications to seen
 *
 * @param {number} timestamp New seen timestamp
 */
mw.echo.dm.BundleNotificationItem.prototype.updateSeenState = function ( timestamp ) {
	this.list.getItems().forEach( ( notification ) => {
		notification.toggleSeen(
			notification.isRead() || notification.getTimestamp() < timestamp
		);
	} );
};

/**
 * This item is a group.
 * This method is required for all models that are managed by the
 * mw.echo.dm.ModelManager.
 *
 * @return {boolean} This item is a group
 */
mw.echo.dm.BundleNotificationItem.prototype.isGroup = function () {
	return true;
};

/**
 * Get the all ids contained in this notification
 *
 * @return {number[]}
 */
mw.echo.dm.BundleNotificationItem.prototype.getAllIds = function () {
	return this.list.getItems().map( ( item ) => item.getId() );
};

/**
 * Find all items that match the given IDs.
 *
 * @param {number[]} ids An array of item IDs
 * @return {mw.echo.dm.NotificationItem[]} An array of matching items
 */
mw.echo.dm.BundleNotificationItem.prototype.findByIds = function ( ids ) {
	return this.list.findByIds( ids );
};

/**
 * Get bundled notifications
 *
 * @return {mw.echo.dm.NotificationItem[]} bundled notifications
 */
mw.echo.dm.BundleNotificationItem.prototype.getItems = function () {
	return this.list.getItems();
};

/**
 * Get model name
 *
 * @return {string} model name
 */
mw.echo.dm.BundleNotificationItem.prototype.getName = function () {
	return this.getModelName();
};
