<?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\MessagePropertiesMutableAbstract;

/**
 * Mail Message Properties Implementation
 */
class MessageProperties extends MessagePropertiesMutableAbstract {

    /**
	 * Convert JMAP parameters array to mail message properties object
     * 
	 * @param array $parameters JMAP parameters array
	 */
	public function fromJmap(array $parameters): static {

		if (isset($parameters['messageId'])) {
			$this->data['urid'] = $parameters['messageId'][0];
		}
		if (isset($parameters['size'])) {
			$this->data['size'] = $parameters['size'];
		}
		if (isset($parameters['receivedAt'])) {
			$this->data['receivedDate'] = $parameters['receivedAt'];
		}
		if (isset($parameters['sentAt'])) {
			$this->data['date'] = $parameters['sentAt'];
		}
		if (isset($parameters['inReplyTo'])) {
			$this->data['inReplyTo'] = $parameters['inReplyTo'];
		}
		if (isset($parameters['references'])) {
			$this->data['references'] = is_array($parameters['references']) ? $parameters['references'] : [];
		}
		if (isset($parameters['subject'])) {
			$this->data['subject'] = $parameters['subject'];
		}
		if (isset($parameters['preview'])) {
			$this->data['snippet'] = $parameters['preview'];
		}
		if (isset($parameters['sender'])) {
			$this->data['sender'] = $parameters['sender'];
		}
		if (isset($parameters['from']) && is_array($parameters['from']) && !empty($parameters['from'])) {
			$this->data['from'] = [
				'address' => $parameters['from'][0]['email'] ?? '',
				'label' => $parameters['from'][0]['name'] ?? null
			];
		}
		if (isset($parameters['to']) && is_array($parameters['to'])) {
			$this->data['to'] = [];
			foreach ($parameters['to'] as $addr) {
				$this->data['to'][] = [
					'address' => $addr['email'] ?? '',
					'label' => $addr['name'] ?? null
				];
			}
		}
		if (isset($parameters['cc']) && is_array($parameters['cc'])) {
			$this->data['cc'] = [];
			foreach ($parameters['cc'] as $addr) {
				$this->data['cc'][] = [
					'address' => $addr['email'] ?? '',
					'label' => $addr['name'] ?? null
				];
			}
		}
		if (isset($parameters['bcc']) && is_array($parameters['bcc'])) {
			$this->data['bcc'] = [];
			foreach ($parameters['bcc'] as $addr) {
				$this->data['bcc'][] = [
					'address' => $addr['email'] ?? '',
					'label' => $addr['name'] ?? null
				];
			}
		}
		if (isset($parameters['replyTo']) && is_array($parameters['replyTo'])) {
			$this->data['replyTo'] = [];
			foreach ($parameters['replyTo'] as $addr) {
				$this->data['replyTo'][] = [
					'address' => $addr['email'] ?? '',
					'label' => $addr['name'] ?? null
				];
			}
		}
		if (isset($parameters['keywords']) && is_array($parameters['keywords'])) {
			$this->data['flags'] = [];
			foreach ($parameters['keywords'] as $keyword => $value) {
				$flag = match($keyword) {
					'$seen' => 'read',
					'$flagged' => 'flagged',
					'$answered' => 'answered',
					'$draft' => 'draft',
					'$deleted' => 'deleted',
					default => $keyword
				};
				$this->data['flags'][$flag] = $value;
			}
		}
		if (isset($parameters['bodyStructure'])) {
			$this->data['body'] = $parameters['bodyStructure'];
			// Recursively add content from bodyValues to matching parts
			if (isset($parameters['bodyValues']) && is_array($parameters['bodyValues'])) {
				$addContentToParts = function(&$structure, $bodyValues) use (&$addContentToParts) {
					// If this part has a partId and matching bodyValue, add content
					if (isset($structure['partId']) && isset($bodyValues[$structure['partId']])) {
						$structure['content'] = $bodyValues[$structure['partId']]['value'] ?? null;
					}
					// Recursively process subParts
					if (isset($structure['subParts']) && is_array($structure['subParts'])) {
						foreach ($structure['subParts'] as &$subPart) {
							$addContentToParts($subPart, $bodyValues);
						}
					}
				};
				
				$addContentToParts($this->data['body'], $parameters['bodyValues']);
			}
		}
		if (isset($parameters['headers']) && is_array($parameters['headers'])) {
			$this->data['headers'] = $parameters['headers'];
		}
		if (isset($parameters['attachments'])) {
			$this->data['attachments'] = $parameters['attachments'];
		}

		return $this;
	}

	/**
	 * Convert mail message properties object to JMAP parameters array
	 */
	public function toJmap(): array {
		
		$parameters = [];

		if (isset($this->data['urid'])) {
			$parameters['messageId'] = [$this->data['urid']];
		}
		if (isset($this->data['size'])) {
			$parameters['size'] = $this->data['size'];
		}
		if (isset($this->data['receivedDate'])) {
			$parameters['receivedAt'] = $this->data['receivedDate'];
		}
		if (isset($this->data['date'])) {
			$parameters['sentAt'] = $this->data['date'];
		}
		if (isset($this->data['inReplyTo'])) {
			$parameters['inReplyTo'] = $this->data['inReplyTo'];
		}
		if (isset($this->data['references'])) {
			$parameters['references'] = $this->data['references'];
		}
		if (isset($this->data['subject'])) {
			$parameters['subject'] = $this->data['subject'];
		}
		if (isset($this->data['snippet'])) {
			$parameters['preview'] = $this->data['snippet'];
		}
		if (isset($this->data['sender'])) {
			$parameters['sender'] = $this->data['sender'];
		}
		if (isset($this->data['from'])) {
			$parameters['from'] = [[
				'email' => $this->data['from']['address'] ?? '',
				'name' => $this->data['from']['label'] ?? null
			]];
		}
		if (isset($this->data['to'])) {
			$parameters['to'] = [];
			foreach ($this->data['to'] as $addr) {
				$parameters['to'][] = [
					'email' => $addr['address'] ?? '',
					'name' => $addr['label'] ?? null
				];
			}
		}
		if (isset($this->data['cc'])) {
			$parameters['cc'] = [];
			foreach ($this->data['cc'] as $addr) {
				$parameters['cc'][] = [
					'email' => $addr['address'] ?? '',
					'name' => $addr['label'] ?? null
				];
			}
		}
		if (isset($this->data['bcc'])) {
			$parameters['bcc'] = [];
			foreach ($this->data['bcc'] as $addr) {
				$parameters['bcc'][] = [
					'email' => $addr['address'] ?? '',
					'name' => $addr['label'] ?? null
				];
			}
		}
		if (isset($this->data['replyTo'])) {
			$parameters['replyTo'] = [];
			foreach ($this->data['replyTo'] as $addr) {
				$parameters['replyTo'][] = [
					'email' => $addr['address'] ?? '',
					'name' => $addr['label'] ?? null
				];
			}
		}
		if (isset($this->data['flags'])) {
			$parameters['keywords'] = [];
			foreach ($this->data['flags'] as $flag => $value) {
				$keyword = match($flag) {
					'read' => '$seen',
					'flagged' => '$flagged',
					'answered' => '$answered',
					'draft' => '$draft',
					'deleted' => '$deleted',
					default => $flag
				};
				$parameters['keywords'][$keyword] = $value;
			}
		}
		if (isset($this->data['bodyStructure'])) {
			$parameters['bodyStructure'] = $this->data['bodyStructure'];
		}
		if (isset($this->data['body'])) {
			$parameters['bodyValues'] = [];
			
			if (isset($this->data['body']['text']['content'])) {
				$parameters['bodyValues']['0'] = [
					'value' => $this->data['body']['text']['content'],
					'isEncodingProblem' => false,
					'isTruncated' => false
				];
			}
			
			if (isset($this->data['body']['html']['content'])) {
				$parameters['bodyValues']['1'] = [
					'value' => $this->data['body']['html']['content'],
					'isEncodingProblem' => false,
					'isTruncated' => false
				];
			}
		}
		if (isset($this->data['headers'])) {
			$parameters['headers'] = $this->data['headers'];
		}
		if (isset($this->data['attachments'])) {
			$parameters['attachments'] = $this->data['attachments'];
			$parameters['hasAttachment'] = !empty($this->data['attachments']);
		} else {
			$parameters['hasAttachment'] = false;
		}

		return $parameters;
	}

}