//Catch ajax requests
add_action( 'wp_ajax_kleo_ajax_search', 'kleo_ajax_search' );
add_action( 'wp_ajax_nopriv_kleo_ajax_search', 'kleo_ajax_search' );
if ( ! function_exists( 'kleo_ajax_search' ) ) {
	function kleo_ajax_search() {
		//if "s" input is missing exit
		if ( empty( $_REQUEST['s'] ) ) {
			die();
		}

		$output   = "";
		$defaults = array(
			'numberposts'      => 4,
			'post_type'        => 'any',
			'post_status'      => 'publish',
			'post_password'    => '',
			'suppress_filters' => false
		);
		$defaults = apply_filters( 'kleo_ajax_query_args', $defaults );

		$query = array_merge( $defaults, $_REQUEST );
		$query = http_build_query( $query );
		$posts = get_posts( $query );

		//if there are no posts
		if ( empty( $posts ) ) {
			$output = "<div class='kleo_ajax_entry ajax_not_found'>";
			$output .= "<div class='ajax_search_content'>";
			$output .= "<i class='icon icon-exclamation-sign'></i> ";
			$output .= __( "Sorry, no pages matched your criteria.", 'kleo_framework' );
			$output .= "<br>";
			$output .= __( "Please try searching by different terms.", 'kleo_framework' );
			$output .= "</div>";
			$output .= "</div>";
			echo $output;
			die();
		}

		//if there are posts
		$post_types    = array();
		$post_type_obj = array();
		foreach ( $posts as $post ) {

			$post_types[ $post->post_type ][] = $post;
			if ( empty( $post_type_obj[ $post->post_type ] ) ) {
				$post_type_obj[ $post->post_type ] = get_post_type_object( $post->post_type );
			}
		}

		foreach ( $post_types as $ptype => $post_type ) {
			if ( isset( $post_type_obj[ $ptype ]->labels->name ) ) {
				$output .= "<h4>" . $post_type_obj[ $ptype ]->labels->name . "</h4>";
			} else {
				$output .= "<hr>";
			}
			foreach ( $post_type as $post ) {
				$format = get_post_format( $post->ID );
				if ( get_the_post_thumbnail( $post->ID, 'thumbnail' ) ) {
					$image = get_the_post_thumbnail( $post->ID, 'thumbnail' );
				} else {
					if ( $format == 'video' ) {
						$image = "<i class='icon icon-film'></i>";
					} elseif ( $format == 'image' || $format == 'gallery' ) {
						$image = "<i class='icon icon-picture'></i>";
					} else {
						$image = "<i class='icon-info-sign'></i>";
					}
				}

				$excerpt = "";

				if ( ! empty( $post->post_content ) ) {
					$excerpt = "<br>" . char_trim( trim( strip_tags( strip_shortcodes( $post->post_content ) ) ), 40, "..." );
				}
				$link    = apply_filters( 'kleo_custom_url', get_permalink( $post->ID ) );
				$classes = "format-" . $format;
				$output .= "<div class ='kleo_ajax_entry $classes'>";
				$output .= "<div class='ajax_search_image'>$image</div>";
				$output .= "<div class='ajax_search_content'>";
				$output .= "<a href='$link' class='search_title'>";
				$output .= get_the_title( $post->ID );
				$output .= "</a>";
				$output .= "<span class='search_excerpt'>";
				$output .= $excerpt;
				$output .= "</span>";
				$output .= "</div>";
				$output .= "</div>";
			}
		}

		$output .= "<a class='ajax_view_all' href='" . home_url( '?s=' . $_REQUEST['s'] ) . "'>" . __( 'View all results', 'kleo_framework' ) . "</a>";

		echo $output;
		die();
	}
}