/* eslint-disable no-underscore-dangle */
'use strict';

/**
 * Renders a Card model and updates when it does.
 *
 * @class mw.cards.CardView
 * @param {mw.cards.CardModel} model
 */
function CardView( model ) {
	/**
	 * @property {mw.cards.CardModel}
	 */
	this.model = model;

	// listen to model changes and re-render the view
	this.model.on( 'change', this.render.bind( this ) );

	/**
	 * @property {jQuery}
	 */
	this.$el = $( this._render() );
}
OO.initClass( CardView );

/**
 * Replace the html of this.$el with a newly rendered html using the model
 * attributes.
 */
CardView.prototype.render = function () {
	this.$el.replaceWith( this._render() );
};

/**
 * Renders the template using the model attributes.
 *
 * @ignore
 * @return {string}
 */
CardView.prototype._render = function () {
	var $listItem = $( '<li>' ),
		attributes = $.extend( {}, this.model.attributes );

	attributes.thumbnailUrl = CSS.escape( attributes.thumbnailUrl );

	$listItem.attr( {
		title: attributes.title,
		class: 'ext-related-articles-card'
	} );

	$listItem.append(
		$( '<div>' )
			.addClass( 'ext-related-articles-card-thumb' )
			.addClass( attributes.hasThumbnail ?
				'' :
				'ext-related-articles-card-thumb-placeholder'
			)
			.css( 'background-image', attributes.hasThumbnail ?
				'url(' + attributes.thumbnailUrl + ')' :
				null
			),
		$( '<a>' )
			.attr( {
				href: attributes.url,
				'aria-hidden': 'true',
				tabindex: -1
			} ),
		$( '<div>' )
			.attr( { class: 'ext-related-articles-card-detail' } )
			.append(
				$( '<h3>' ).append(
					$( '<a>' )
						.attr( { href: attributes.url } )
						.text( attributes.title )
				),
				$( '<p>' )
					.attr( { class: 'ext-related-articles-card-extract' } )
					.text( attributes.extract )
			)
	);

	return $listItem;
};

module.exports = CardView;