<?php

declare(strict_types=1);

namespace Dragwyb\Form_Builder\Includes\Controls\Controls;

use Dragwyb\Form_Builder\Includes\Controls\Controls;

class Control_Repeater extends Control_Base {

	private $controls      = null;
	private $repeater_data = null;
	private $value         = null;

	protected function register_settings() {
		return array(
			'name'       => 'string',
			'label'      => 'string',
			'default'    => 'custom',
			'items'      => 'custom',
			'item_label' => 'string',
			'add_item'   => 'string',
			'_id'        => 'string',
		);
	}

	protected function default_setting(): array {
		return array(
			'add_item' => __( 'Add Item', 'smart-form-builder-by-dragwyb' ),
		);
	}

	protected function init(): void {
		$this->type = 'repeater';
		$this->name = __( 'Repeater', 'smart-form-builder-by-dragwyb' );
	}

	public function set_value( $data, string $control_id, $repeater_data = null ): void {
		if ( isset( $repeater_data['type'] ) && $repeater_data['type'] == 'repeater' && isset( $repeater_data['items'] ) ) {
			$this->repeater_data = $repeater_data;
		} else {
			$this->repeater_data = array();
		}

		$this->control_id = sanitize_text_field( $control_id );

		$this->set_filter_value( $data, $repeater_data );
	}

	private function set_filter_value( $data, $repeater_data ): void {
		$this->value = $this->sanitize_control( $data, $repeater_data );
	}

	protected function sanitize_control( $items, $settings ) {
		if ( ! is_array( $items ) || count( $items ) <= 0 || ! isset( $this->control_id ) ) {
			return '';
		}

		$data = array();

		foreach ( $items as $index => $item ) {
			if ( ! isset( $item['_id'] ) ) {
				continue;
			}

			$data[ $index ] = array( '_id' => sanitize_text_field( $item['_id'] ) );

			if ( ! isset( $this->repeater_data ) || ! is_array( $this->repeater_data ) || count( $this->repeater_data ) <= 0 ) {
				continue;
			}

			$register_fields = $this->repeater_data['items'];

			if ( ! isset( $register_fields ) || ! is_array( $register_fields ) || count( $register_fields ) < 0 ) {
				continue;
			}

			if ( ! isset( $item['attributes'] ) || ! is_array( $item['attributes'] ) || count( $item['attributes'] ) <= 0 ) {
				continue;
			}

			$attributes = $item['attributes'];

			$data[ $index ]['attributes'] = array();

			foreach ( $attributes as $field => $value ) {
				if ( ! isset( $register_fields[ $field ]['type'] ) ) {
					continue;
				}

				if ( ! isset( $this->controls ) ) {
					$this->controls = new Controls();

				}

				$type = $register_fields[ $field ]['type'];

				$control_obj = $this->controls->get_control( $type );

				if ( ! $control_obj ) {
					continue;
				}

				$control_obj = $control_obj::newInstance();

				$control_settings_arr = isset( $settings['items'][ $field ] ) && is_array( $settings['items'][ $field ] ) ? $settings['items'][ $field ] : array();
				$control_obj->set_value( $value, $field, $control_settings_arr );
				$filtered_value = $control_obj->get_value();

				if ( isset( $filtered_value ) && $filtered_value ) {
					$data[ $index ]['attributes'][ sanitize_text_field( $field ) ] = $value;
				}
			}
		}

		return $data;
	}

	public function get_value() {
		return $this->value;
	}

	protected function items_setting_sanitize( $fields ) {

		if ( ! is_array( $fields ) || count( $fields ) < 0 ) {
			return array();
		}

		$data = array();

		foreach ( $fields as $field ) {
			$data[ $field['name'] ] = $field;
		}

		return $data;
	}

	protected function default_setting_sanitize( $fields ) {
		if ( ! is_array( $fields ) || count( $fields ) <= 0 ) {
			return '';
		}

		$fields_settings = $this->get_settings();

		if ( ! isset( $fields_settings['items'] ) || ! is_array( $fields_settings['items'] ) || count( $fields_settings['items'] ) <= 0 ) {
			return '';
		}

		$repeater_fields = $fields_settings['items'];

		$data = array();

		foreach ( $fields as $index => $field ) {
			$data[ $index ] = array();

			foreach ( $field as $key => $value ) {
				if ( ! isset( $repeater_fields[ $key ] ) || ! isset( $repeater_fields[ $key ]['type'] ) ) {
					continue;
				}

				if ( ! isset( $this->controls ) ) {
					$this->controls = new Controls();

				}

				$type = $repeater_fields[ $key ]['type'];

				$control_obj = $this->controls->get_control( $type );

				if ( ! $control_obj ) {
					continue;
				}

				$control_obj = $control_obj::newInstance();

				$control_settings_arr = isset( $fields_settings['items'][ $key ] ) && is_array( $fields_settings['items'][ $key ] ) ? $fields_settings['items'][ $key ] : array();
				$control_obj->set_value( $value, $key, $control_settings_arr );
				$filtered_value = $control_obj->get_value();

				if ( isset( $filtered_value ) && $filtered_value ) {
					$data[ $index ][ $key ] = $value;
				}
			}
		}

		return $data;
	}
}
