<?php
namespace ULTP\blocks;

defined( 'ABSPATH' ) || exit;

class Post_Excerpt {
	public function __construct() {
		add_action( 'init', array( $this, 'register' ) );
	}
	public function get_attributes() {

		return array(
			'blockId'        => '',

			/*
			============================
				Post Excerpt Setting
			============================*/
			'excerptLimit'   => '150',

			// --------------------------
			// Advanced Style
			// --------------------------
			'advanceId'      => '',
			'advanceZindex'  => '',
			'hideExtraLarge' => false,
			'hideDesktop'    => false,
			'hideTablet'     => false,
			'hideMobile'     => false,
			'advanceCss'     => '',
		);
	}

	public function register() {
		register_block_type(
			'ultimate-post/post-excerpt',
			array(
				'editor_script'   => 'ultp-blocks-editor-script',
				'editor_style'    => 'ultp-blocks-editor-css',
				'render_callback' => array( $this, 'content' ),
			)
		);
	}

	public function content( $attr, $noAjax ) {
		$attr           = wp_parse_args( $attr, $this->get_attributes() );
		$block_name     = 'post-excerpt';
		$wrapper_before = $wrapper_after = $content = '';

		$attr['className'] = isset( $attr['className'] ) && $attr['className'] ? preg_replace( '/[^A-Za-z0-9_ -]/', '', $attr['className'] ) : '';
		$attr['align']     = isset( $attr['align'] ) && $attr['align'] ? preg_replace( '/[^A-Za-z0-9_ -]/', '', $attr['align'] ) : '';
		$attr['advanceId'] = isset( $attr['advanceId'] ) ? sanitize_html_class( $attr['advanceId'] ) : '';
		$attr['blockId']   = isset( $attr['blockId'] ) ? sanitize_html_class( $attr['blockId'] ) : '';

		$excerpt = $this->excerpt_word( $attr['excerptLimit'] );
		if ( $excerpt ) {
			$wrapper_before      .= '<div ' . ( $attr['advanceId'] ? 'id="' . $attr['advanceId'] . '" ' : '' ) . ' class="wp-block-ultimate-post-' . $block_name . ' ultp-block-' . $attr['blockId'] . ( $attr['className'] ? ' ' . $attr['className'] : '' ) . '' . ( $attr['align'] ? ' align' . $attr['align'] : '' ) . '">';
				$wrapper_before  .= '<div class="ultp-block-wrapper">';
					$content     .= '<div class="ultp-builder-excerpt">';
						$content .= $excerpt;
					$content     .= '</div>';
				$wrapper_after   .= '</div>';
			$wrapper_after       .= '</div>';
		}

		return $wrapper_before . $content . $wrapper_after;
	}

	public function excerpt_word( $charlength = 200 ) {
		$html = '';
		++$charlength;
		$excerpt = get_the_excerpt();
		if ( mb_strlen( $excerpt ) > $charlength ) {
			$subex   = mb_substr( $excerpt, 0, $charlength );
			$exwords = explode( ' ', $subex );
			$excut   = - ( mb_strlen( $exwords[ count( $exwords ) - 1 ] ) );
			if ( $excut < 0 ) {
				$html = mb_substr( $subex, 0, $excut );
			} else {
				$html = $subex;
			}
			$html .= '...';
		} else {
			$html = $excerpt;
		}
		return $html;
	}
}
