<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace KTXM\ProviderJmapc\Providers\Mail;

use KTXF\Mail\Object\MessagePartMutableAbstract;

class MessagePart extends MessagePartMutableAbstract {

	/**
	 * convert jmap parameters collection to message object
	 *
	 * @since 1.0.0
	 *
	 * @param array $parameters jmap parameters collection
	 * @param bool $amend flag merged or replaced parameters
	 */
	public function fromJmap(array $parameters, bool $amend = false): self {

		if ($amend) {
			// merge parameters with existing ones
			$this->data = array_merge($this->data, $parameters);
		} else {
			// replace parameters store
			$this->data = $parameters;
		}

		// determine if parameters contains subparts
		// if subParts exist convert them to a MessagePart object
		// and remove subParts parameter
		if (is_array($this->data['subParts'])) {
			foreach ($this->data['subParts'] as $key => $entry) {
				if (is_object($entry)) {
					$entry = get_object_vars($entry);
				}
				$this->parts[$key] = (new MessagePart($parameters))->fromJmap($entry);
			}
			unset($this->data['subParts']);
		}

		return $this;
	}

	/**
	 * convert message object to jmap parameters array
	 *
	 * @since 1.0.0
	 *
	 * @return array collection of all message parameters
	 */
	public function toJmap(): array {

		// copy parameter value
		$parameters = $this->data;
		// determine if this MessagePart has any sub MessageParts
		// if sub MessageParts exist retrieve sub MessagePart parameters
		// and add them to the subParts parameters, otherwise set the subParts parameter to nothing
		if (count($this->parts) > 0) {
			$parameters['subParts'] = [];
			foreach ($this->parts as $entry) {
				if ($entry instanceof MessagePart) {
					$parameters['subParts'][] = $entry->toJmap();
				}
			}
		} else {
			$parameters['subParts'] = null;
		}
		
		return $parameters;

	}

}