<?php

namespace EssentialBlocks\blocks;

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

class Form extends Block {
    protected $frontend_scripts = ['essential-blocks-form-frontend'];
    protected $frontend_styles  = ['essential-blocks-frontend-style', 'essential-blocks-fontawesome'];

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

    /**
     * Initialize the InnerBlocks for Accordion
     * @return array<Block>
     */
    public function inner_blocks() {
        return [
            FormTextField::get_instance()
        ];
    }

    /**
     * Register all other scripts
     * @return void
     */
    public function register_scripts() {
        $this->assets_manager->register(
            'form-frontend',
            $this->path() . '/frontend/index.js'
        );
    }

    protected static $default_attributes = [
        'btnAddIcon'   => false,
        'iconPosition' => 'right',
        'buttonText'   => 'Submit',
        'icon'         => 'fas fa-chevron-right',
        'formLayout'   => 'block',
        'formStyle'    => 'form-style-classic',
        'formType'    => ''
    ];

    /**
     * Render callback
     */
    public function render_callback( $attributes, $content ) {
        if ( is_admin() ) {
            return;
        }

        //Modify wp_kses rules for Form Block kses
        add_filter( 'wp_kses_allowed_html', [new Helper, 'eb_allowed_html'], 99, 2 );

        $_essential_attributes = [
            'formType'         => 'contact_form',
            'preset'           => 'contact_form_1',
            'confirmationType' => 'message',
            'successMessage'   => 'Your form has been submitted Successfully!',
            'errorMessage'     => 'Your form couldn\'t been submitted! Please try again'
        ];

        foreach ( $_essential_attributes as $key => $value ) {
            if ( isset( $attributes[$key] ) && is_bool( $attributes[$key] ) ) {
                $_essential_attributes[$key] = $attributes[$key];
            } elseif ( ! empty( $attributes[$key] ) ) {
                $_essential_attributes[$key] = $attributes[$key];
            } else {
                $_essential_attributes[$key] = $value;
            }
        }

        $attributes = wp_parse_args( $attributes, self::$default_attributes );

        if ( empty( $attributes['formType'] ) ) {
            return '';
        }
        if ( empty( $content ) ) {
            return '';
        }
        $classHook = isset( $attributes['classHook'] ) ? $attributes['classHook'] : '';

        $submit_btn_attr = apply_filters( 'eb_form_submit_btn_attr', [
            'data-id'      => $attributes['blockId'],
            'data-form-id' => $attributes['formId']
        ] );

        $submit_btn_classes = apply_filters( 'eb_form_submit_btn_classes', 'btn btn-primary eb-form-submit-button' );

        $submit_button_icon = sprintf(
            '%1$s',
            Helper::eb_render_icon( Helper::eb_get_icon_type( $attributes['icon'] ), 'eb-button-icon', $attributes['icon'] )
        );

        $submit_button_html = sprintf(
            '<button type="submit" class="%1$s" %2$s>
                %4$s%3$s%5$s
                <img class="eb-form-submit-loader" src="%6$sassets/images/loading.svg" />
            </button>',
            $submit_btn_classes,
            http_build_query( $submit_btn_attr, '', ' ' ),
            $attributes['buttonText'],
            $attributes['btnAddIcon'] && $attributes['iconPosition'] === 'left' ? $submit_button_icon : '',
            $attributes['btnAddIcon'] && $attributes['iconPosition'] === 'right' ? $submit_button_icon : '',
            ESSENTIAL_BLOCKS_URL
        );

        $confirmation_div_attr = apply_filters( 'eb_form_confirmation_div_attr', [
            'data-confirmation-type' => esc_attr( $_essential_attributes['confirmationType'] ),
            'data-success'           => esc_html( $_essential_attributes['successMessage'] ),
            'data-error'             => esc_html( $_essential_attributes['errorMessage'] )
        ], $attributes );

        $attributes_html = '';
        foreach ($confirmation_div_attr as $key => $value) {
            $attributes_html .= sprintf('%s="%s" ', esc_attr($key), esc_attr($value));
        }

        $confirmation_div_html = sprintf(
            '<div class="eb_form_submit_response" %1$s></div>',
            trim($attributes_html)
        );

        // $confirmation_div_html = sprintf(
        //     '<div class="eb_form_submit_response" %1$s></div>',
        //     http_build_query( $confirmation_div_attr, '', ' ' )
        // );

        ob_start();
        Helper::views( 'form-block', array_merge( $attributes, [
            'essentialAttr'         => $_essential_attributes,
            'classHook'             => $classHook,
            'submit_button_html'    => $submit_button_html,
            'confirmation_div_html' => $confirmation_div_html,
            'content'               => $content,
            'nonce'                 => wp_create_nonce( $attributes['blockId'] . '-nonce' )

        ] ) );

        return ob_get_clean();
    }
}