<?php
namespace EssentialBlocks\Blocks;

use EssentialBlocks\Utils\Helper;
use EssentialBlocks\Core\Block;

class PostMeta extends Block
{
    protected $frontend_styles = [ 'essential-blocks-fontawesome' ];

    /**
     * Default attributes
     *
     * @var array
     */
    protected $default_attributes;

    public function __construct()
    {
        $this->default_attributes = [
            'metaDisplay'     => 'inline',
            'showAuthor'      => true,
            'authorLabel'     => __( 'Author: ', 'essential-blocks' ),
            'showDate'        => true,
            'dateLabel'       => __( "Published Date: ", 'essential-blocks' ),
            'showProductSku'  => true,
            'productSkuLabel' => __( "SKU: ", 'essential-blocks' ),
            'type'            => 'post',
            'enableContents'  => [ "author", "date", "product_sku" ],
            'showMetaIcon'    => true,
            'authorIcon'      => 'far fa-circle-user',
            'dateIcon'        => 'far fa-calendar-days',
            'skuIcon'         => 'fas fa-barcode'
         ];
    }

    /**
     * Unique name of the block.
     * @return string
     */
    public function get_name()
    {
        return 'post-meta';
    }

    /**
     * Block render callback.
     *
     * @param mixed $attributes
     * @param mixed $content
     * @return mixed
     */
    public function render_callback( $attributes, $content )
    {
        if ( is_admin() ) {
            return;
        }

        $attributes = wp_parse_args( $attributes, $this->default_attributes );

        $className = isset( $attributes[ "className" ] ) ? $attributes[ "className" ] : "";
        $classHook = isset( $attributes[ 'classHook' ] ) ? $attributes[ 'classHook' ] : '';

        $current_post = get_queried_object();
        // author name
        $author_name = get_the_author_meta( 'display_name', $current_post->post_author );
        // published date
        $date_format  = get_option( 'date_format' );
        $publish_date = date( $date_format, strtotime( $current_post->post_date ) );
        // product sku
        $product_sku = '';
        if ( $current_post->post_type === 'product' ) {
            $product     = wc_get_product( get_the_ID() );
            $product_sku = $product->get_sku();
        }

        $author_icon = sprintf(
            '%1$s',
            Helper::eb_render_icon( Helper::eb_get_icon_type( $attributes[ 'authorIcon' ] ), 'eb-post-metadata-icon', $attributes[ 'authorIcon' ] )
        );
        $date_icon = sprintf(
            '%1$s',
            Helper::eb_render_icon( Helper::eb_get_icon_type( $attributes[ 'dateIcon' ] ), 'eb-post-metadata-icon', $attributes[ 'dateIcon' ] )
        );
        $sku_icon = sprintf(
            '%1$s',
            Helper::eb_render_icon( Helper::eb_get_icon_type( $attributes[ 'skuIcon' ] ), 'eb-post-metadata-icon', $attributes[ 'skuIcon' ] )
        );

        $data = [
            'author'         => $author_name,
            'date'           => $publish_date,
            'product_sku'    => $product_sku,
            'show_meta_icon' => $attributes[ 'showMetaIcon' ],
            'author_icon'    => $author_icon,
            'date_icon'      => $date_icon,
            'sku_icon'       => $sku_icon
         ];

        ob_start();
        Helper::views( 'post-meta', array_merge( $attributes, [
            'className'    => $className,
            'classHook'    => $classHook,
            'meta_data'    => $data,
            'block_object' => $this
         ] ) );

        return ob_get_clean();
    }
}