<?php

namespace WPDeveloper\BetterDocs\Editors\BlockEditor\Blocks;

use WPDeveloper\BetterDocs\Editors\BlockEditor\Block;

class ToC extends Block {

    public $view_wrapper = 'betterdocs-toc-block';

    public function get_name() {
        return 'table-of-contents';
    }

    public function get_default_attributes() {
        return [
            'blockId'                       => '',
            'toc_supported_tags'            => [
                [
                    'value' => 1,
                    'label' => 'H1'
                ],
                [
                    'value' => 2,
                    'label' => 'H2'
                ],
                [
                    'value' => 3,
                    'label' => 'H3'
                ],
                [
                    'value' => 4,
                    'label' => 'H4'
                ],
                [
                    'value' => 5,
                    'label' => 'H5'
                ]
            ],
            'toc_list_heirarchy'            => true,
            'toc_list_number'               => true,
            'toc_collapsible_small_devices' => true,
            'toc_title_text'                => 'Table Of Contents'
        ];
    }

    public function render( $attributes, $content ) {
        $this->views( 'widgets/toc' );
    }

    public function view_params() {
        $htags = [];

        if ( ! empty( $this->attributes['toc_supported_tags'] ) ) {
            $htags = array_map( function ( $item ) {
                return $item['value'];
            }, $this->attributes['toc_supported_tags'] );
        }

        $toc_setting = [
            'htags'       => $htags,
            'hierarchy'   => $this->attributes['toc_list_heirarchy'],
            'list_number' => $this->attributes['toc_list_number']
        ];

        //set TOC data in Transient, whenever TOC(block) is called.
        set_transient( 'betterdocs_toc_setting', $toc_setting );

        $htags = implode( ',', $htags );

        $attributes = betterdocs()->template_helper->get_html_attributes( [
            'htags'                 => $htags,
            'hierarchy'             => $this->attributes['toc_list_heirarchy'],
            'list_number'           => $this->attributes['toc_list_number'],
            'collapsible_on_mobile' => $this->attributes['toc_collapsible_small_devices'],
            'toc_title'             => $this->attributes['toc_title_text']
        ] );

        return [
            'attributes' => $attributes
        ];
    }
}