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var wpPostLikeCount = wpPostLikeCount || {};

( function( $ ) {
	wpPostLikeCount = jQuery.extend( wpPostLikeCount, {
		jsonAPIbase: 'https://public-api.wordpress.com/rest/v1',
		APIqueue: [],

		wpPostLikeCount: function() {
			$( '.post-like-count' ).each( function() {
				var post_id = $( this ).attr( 'data-post-id' );
				var blog_id = $( this ).attr( 'data-blog-id' );
				wpPostLikeCount.APIqueue.push( '/sites/' + blog_id + '/posts/' + post_id + '/likes' );
			} );
			wpPostLikeCount.getCounts();
		},

		showCount: function( post_id, count ) {
			if ( count > 0 ) {
				$( '#post-like-count-' + post_id )
					.find( '.comment-count' )
					.hide();
				$( '#post-like-count-' + post_id )
					.find( '.comment-count' )
					.text( count );
				$( '#post-like-count-' + post_id )
					.find( '.comment-count' )
					.fadeIn();
			}
		},

		getCounts: function() {
			var batchRequest = {
				path: '/batch',
				data: '',
				success: function( response ) {
					for ( var path in response ) {
						if ( ! response[ path ].error_data ) {
							var urlPieces = path.split( '/' ); // pieces[4] = post id;
							var post_id = urlPieces[ 4 ];
							wpPostLikeCount.showCount( post_id, response[ path ].found );
						}
					}
				},
				error: function(/*response*/) {},
			};

			var amp = '';
			for ( var i = 0; i < wpPostLikeCount.APIqueue.length; i++ ) {
				if ( i > 0 ) {
					amp = '&';
				}
				batchRequest.data += amp + 'urls[]=' + wpPostLikeCount.APIqueue[ i ];
			}

			wpPostLikeCount.request( batchRequest );
		},
	} );
} )( jQuery );

jQuery( document ).ready( function(/*$*/) {
	wpPostLikeCount.wpPostLikeCount();
} );