<?php

namespace Give\FormAPI\Form;

use Give\Framework\Exceptions\Primitives\InvalidArgumentException;

class Group extends Field {
	/**
	 * Field options.
	 * Note: Allow to update repeater aka group field frontend output.
	 *
	 * @since 2.7.0
	 * @var array
	 */
	public $options = [];

	/**
	 * Sub fields
	 *
	 * Note: Allow developer to add sub fields to group.
	 *
	 * @since 2.7.0
	 * @var array
	 */
	public $fields = [];

	/**
	 * @inheritDoc
	 */
	public function parse( $array ) {
		parent::parse( $array );

		$defaultOptions = [
			'header_title'    => esc_attr__( 'Group', 'give' ),
			'add_button'      => esc_html__( 'Add Row', 'give' ),
			'group_numbering' => 0,
			'close_tabs'      => 0,
		];

		$this->options = isset( $array['options'] ) ?
			array_merge( $defaultOptions, $array['options'] ) :
			$defaultOptions;

		$this->fields = isset( $array['fields'] ) ?
			$array['fields'] :
			[];
	}

	/**
	 * @inheritDoc
	 */
	public function toArray() {
		return array_merge(
			parent::toArray(),
			[
				'options' => $this->options,
				'fields'  => $this->fields,
			]
		);
	}


	/**
	 * Get sub fields.
	 *
	 * @since 2.7.0
	 * @param string $fieldId
	 * @return array
	 */
	public function getFieldArguments( $fieldId ) {
		$field = current(
			array_filter(
				$this->fields,
				static function( $field ) use ( $fieldId ) {
					return $fieldId === $field['id'];
				}
			)
		);

		// Validate field.
		if ( ! $field ) {
			throw new InvalidArgumentException(
				sprintf(
					__( 'Field with %1$s Id does not exist in group.', 'give' ),
					$fieldId
				)
			);
		}

		return $field;
	}
}