<?php
/**
 * Class Upgrade.
 *
 * @package Packetery\Module
 */

declare( strict_types=1 );

namespace Packetery\Module;

use Packetery\Core;
use Packetery\Core\Log\ILogger;
use Packetery\Core\Log\Record;
use Packetery\Module\Carrier\EntityRepository;
use Packetery\Module\Options\OptionNames;
use Packetery\Module\Options\OptionsProvider;
use Packetery\Module\Upgrade\Version_1_4_2;

/**
 * Class Upgrade.
 */
class Upgrade {

	const POST_TYPE_VALIDATED_ADDRESS = 'packetery_address';

	const META_LENGTH           = 'packetery_length';
	const META_WIDTH            = 'packetery_width';
	const META_HEIGHT           = 'packetery_height';
	const META_PACKET_STATUS    = 'packetery_packet_status';
	const META_WEIGHT           = 'packetery_weight';
	const META_CARRIER_ID       = 'packetery_carrier_id';
	const META_IS_EXPORTED      = 'packetery_is_exported';
	const META_IS_LABEL_PRINTED = 'packetery_is_label_printed';
	const META_CARRIER_NUMBER   = 'packetery_carrier_number';
	const META_PACKET_ID        = 'packetery_packet_id';
	const META_POINT_ID         = 'packetery_point_id';
	const META_POINT_NAME       = 'packetery_point_name';
	const META_POINT_CITY       = 'packetery_point_city';
	const META_POINT_ZIP        = 'packetery_point_zip';
	const META_POINT_STREET     = 'packetery_point_street';
	const META_POINT_URL        = 'packetery_point_url';

	/**
	 * Order repository.
	 *
	 * @var Order\Repository
	 */
	private $orderRepository;

	/**
	 * Message manager.
	 *
	 * @var MessageManager
	 */
	private $messageManager;

	/**
	 * Logger.
	 *
	 * @var ILogger
	 */
	private $logger;

	/**
	 * Log repository.
	 *
	 * @var Log\Repository
	 */
	private $logRepository;

	/**
	 * Carrier repository.
	 *
	 * @var Carrier\Repository
	 */
	private $carrierRepository;

	/**
	 * Customs declaration repository.
	 *
	 * @var CustomsDeclaration\Repository
	 */
	private $customsDeclarationRepository;

	/**
	 * WpdbAdapter.
	 *
	 * @var WpdbAdapter
	 */
	private $wpdbAdapter;

	/**
	 * Options provider.
	 *
	 * @var OptionsProvider
	 */
	private $optionsProvider;

	/**
	 * @var EntityRepository
	 */
	private $carrierEntityRepository;

	public function __construct(
		Order\Repository $orderRepository,
		MessageManager $messageManager,
		ILogger $logger,
		Log\Repository $logRepository,
		WpdbAdapter $wpdbAdapter,
		Carrier\Repository $carrierRepository,
		CustomsDeclaration\Repository $customsDeclarationRepository,
		OptionsProvider $optionsProvider,
		EntityRepository $carrierEntityRepository
	) {
		$this->orderRepository              = $orderRepository;
		$this->messageManager               = $messageManager;
		$this->logger                       = $logger;
		$this->logRepository                = $logRepository;
		$this->wpdbAdapter                  = $wpdbAdapter;
		$this->carrierRepository            = $carrierRepository;
		$this->customsDeclarationRepository = $customsDeclarationRepository;
		$this->optionsProvider              = $optionsProvider;
		$this->carrierEntityRepository      = $carrierEntityRepository;
	}

	/**
	 * Checks previous plugin version and runs upgrade if needed.
	 * https://www.sitepoint.com/wordpress-plugin-updates-right-way/
	 *
	 * @return void
	 */
	public function check(): void {
		$oldVersion = get_option( OptionNames::VERSION );
		if ( $oldVersion === Plugin::VERSION ) {
			return;
		}

		$this->runCreateTables();

		// If no previous version detected, no upgrade will be run.
		if ( $oldVersion !== null && $oldVersion !== false ) {
			if ( version_compare( $oldVersion, '1.2.0', '<' ) ) {
				$logEntries = get_posts(
					[
						'post_type'   => 'packetery_log',
						'post_status' => 'any',
						'nopaging'    => true,
						'fields'      => 'ids',
					]
				);
				foreach ( $logEntries as $logEntryId ) {
					wp_delete_post( $logEntryId, true );
				}

				unregister_post_type( 'packetery_log' );

				$this->migrateWpOrderMetadata();
				$addressEntries = get_posts(
					[
						'post_type'   => self::POST_TYPE_VALIDATED_ADDRESS,
						'post_status' => 'any',
						'nopaging'    => true,
						'fields'      => 'ids',
					]
				);
				foreach ( $addressEntries as $addressEntryId ) {
					wp_delete_post( $addressEntryId, true );
				}

				unregister_post_type( self::POST_TYPE_VALIDATED_ADDRESS );
			}

			if ( version_compare( $oldVersion, '1.2.6', '<' ) ) {
				$this->orderRepository->deleteOrphans();
			}

			if ( version_compare( $oldVersion, '1.4.2', '<' ) ) {
				$migration = new Version_1_4_2( $this->wpdbAdapter );
				$migration->run();
			}

			if ( version_compare( $oldVersion, '1.5', '<' ) ) {
				wp_clear_scheduled_hook( CronService::CRON_CARRIERS_HOOK );
			}

			if ( version_compare( $oldVersion, '1.6.0', '<' ) ) {
				wp_clear_scheduled_hook( CronService::CRON_LOG_AUTO_DELETION_HOOK );
				wp_clear_scheduled_hook( CronService::CRON_PACKET_STATUS_SYNC_HOOK );
			}

			if ( version_compare( $oldVersion, '1.7.0', '<' ) ) {
				$orderStatusAutoChange = $this->optionsProvider->isOrderStatusAutoChangeEnabled();
				$autoOrderStatus       = $this->optionsProvider->getAutoOrderStatus();
				$syncSettings          = $this->optionsProvider->getOptionsByName( OptionNames::PACKETERY_SYNC );
				if ( $orderStatusAutoChange ) {
					$syncSettings['allow_order_status_change'] = true;
				}
				if ( $autoOrderStatus !== null ) {
					$syncSettings['order_status_change_packet_statuses'] = [
						Core\Entity\PacketStatus::RECEIVED_DATA => $autoOrderStatus,
					];
				}

				update_option( OptionNames::PACKETERY_SYNC, $syncSettings );
			}

			if ( version_compare( $oldVersion, '1.7.1', '<' ) ) {
				$syncSettings = $this->optionsProvider->getOptionsByName( OptionNames::PACKETERY_SYNC );
				if (
					isset( $syncSettings['order_status_change_packet_statuses'][ Core\Entity\PacketStatus::RECEIVED_DATA ] ) &&
					$syncSettings['order_status_change_packet_statuses'][ Core\Entity\PacketStatus::RECEIVED_DATA ] === ''
				) {
					unset( $syncSettings['order_status_change_packet_statuses'][ Core\Entity\PacketStatus::RECEIVED_DATA ] );
					update_option( OptionNames::PACKETERY_SYNC, $syncSettings );
				}
			}

			if ( version_compare( $oldVersion, '1.8.0', '<' ) ) {
				$generalSettings = $this->optionsProvider->getOptionsByName( OptionNames::PACKETERY );
				if ( isset( $generalSettings['cod_payment_method'] ) ) {
					$generalSettings['cod_payment_methods'] = [ $generalSettings['cod_payment_method'] ];
					unset( $generalSettings['cod_payment_method'] );
				}

				update_option( OptionNames::PACKETERY, $generalSettings );
			}

			if ( version_compare( $oldVersion, '2.1.0', '<' ) ) {
				add_option( OptionNames::PACKETERY_TUTORIAL_ORDER_DETAIL_EDIT_PACKET, 0 );
				add_option( OptionNames::PACKETERY_TUTORIAL_ORDER_GRID_EDIT_PACKET, 0 );
			}
		} else {
			add_option( OptionNames::PACKETERY_TUTORIAL_ORDER_DETAIL_EDIT_PACKET, 1 );
			add_option( OptionNames::PACKETERY_TUTORIAL_ORDER_GRID_EDIT_PACKET, 1 );
		}

		update_option( OptionNames::VERSION, Plugin::VERSION );
	}

	public function runCreateTables(): void {
		$this->createLogTable();
		$this->createCarrierTable();
		$this->createOrderTable();
		$this->createCustomsDeclarationTables();
	}

	/**
	 * Migrates WP order metadata.
	 *
	 * @return void
	 */
	private function migrateWpOrderMetadata(): void {
		$this->createOrderTable();

		// Did not work when called from plugins_loaded hook.
		$orders = wc_get_orders(
			[
				'nopaging'   => true,
				// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
				'meta_query' => [
					[
						'key'     => self::META_CARRIER_ID,
						'compare' => 'EXISTS',
					],
					[
						'key'     => self::META_CARRIER_ID,
						'compare' => '!=',
						'value'   => '',
					],
				],
			]
		);

		foreach ( $orders as $order ) {
			$orderEntity = new Core\Entity\Order(
				(string) $order->get_id(),
				$this->carrierEntityRepository->getAnyById( $this->getMetaAsNullableString( $order, self::META_CARRIER_ID ) )
			);
			$order->delete_meta_data( self::META_CARRIER_ID );

			$orderEntity->setWeight( $this->getMetaAsNullableFloat( $order, self::META_WEIGHT ) );
			$order->delete_meta_data( self::META_WEIGHT );

			$orderEntity->setPacketStatus( $this->getMetaAsNullableString( $order, self::META_PACKET_STATUS ) );
			$order->delete_meta_data( self::META_PACKET_STATUS );

			$orderEntity->setIsExported( (bool) $this->getMetaAsNullableString( $order, self::META_IS_EXPORTED ) );
			$order->delete_meta_data( self::META_IS_EXPORTED );

			$orderEntity->setIsLabelPrinted( (bool) $this->getMetaAsNullableString( $order, self::META_IS_LABEL_PRINTED ) );
			$order->delete_meta_data( self::META_IS_LABEL_PRINTED );

			$orderEntity->setCarrierNumber( $this->getMetaAsNullableString( $order, self::META_CARRIER_NUMBER ) );
			$order->delete_meta_data( self::META_CARRIER_NUMBER );

			$orderEntity->setPacketId( $this->getMetaAsNullableString( $order, self::META_PACKET_ID ) );
			$order->delete_meta_data( self::META_PACKET_ID );

			$orderEntity->setSize(
				new Core\Entity\Size(
					$this->getMetaAsNullableFloat( $order, self::META_LENGTH ),
					$this->getMetaAsNullableFloat( $order, self::META_WIDTH ),
					$this->getMetaAsNullableFloat( $order, self::META_HEIGHT )
				)
			);
			$order->delete_meta_data( self::META_LENGTH );
			$order->delete_meta_data( self::META_WIDTH );
			$order->delete_meta_data( self::META_HEIGHT );

			if ( $this->getMetaAsNullableString( $order, self::META_POINT_ID ) !== null ) {
				$orderEntity->setPickupPoint(
					new Core\Entity\PickupPoint(
						$this->getMetaAsNullableString( $order, self::META_POINT_ID ),
						null,
						$this->getMetaAsNullableString( $order, self::META_POINT_NAME ),
						$this->getMetaAsNullableString( $order, self::META_POINT_CITY ),
						$this->getMetaAsNullableString( $order, self::META_POINT_ZIP ),
						$this->getMetaAsNullableString( $order, self::META_POINT_STREET ),
						$this->getMetaAsNullableString( $order, self::META_POINT_URL )
					)
				);
			}
			$order->delete_meta_data( self::META_POINT_ID );
			$order->delete_meta_data( self::META_POINT_NAME );
			$order->delete_meta_data( self::META_POINT_CITY );
			$order->delete_meta_data( self::META_POINT_ZIP );
			$order->delete_meta_data( self::META_POINT_STREET );
			$order->delete_meta_data( self::META_POINT_URL );

			$validatedAddressId = $this->getValidatedAddressIdByOrderId( (int) $order->get_id() );
			if ( $validatedAddressId !== null ) {
				$validatedAddress = $this->createAddressFromPostId( $validatedAddressId );
				$orderEntity->setAddressValidated( true );
				$orderEntity->setDeliveryAddress( $validatedAddress );
			}

			$this->orderRepository->save( $orderEntity );
			// Ignore errors. Save the metadata even if the previous call fails.
			$order->save_meta_data();
		}
	}

	/**
	 * Creates active widget address using woocommerce order id.
	 *
	 * @param int $addressId Address ID.
	 *
	 * @return Core\Entity\Address|null
	 */
	public function createAddressFromPostId( int $addressId ): ?Core\Entity\Address {
		$address = new Core\Entity\Address(
			get_post_meta( $addressId, 'street', true ),
			get_post_meta( $addressId, 'city', true ),
			get_post_meta( $addressId, 'postCode', true )
		);
		$address->setHouseNumber( get_post_meta( $addressId, 'houseNumber', true ) );
		$address->setCounty( get_post_meta( $addressId, 'county', true ) );
		$address->setLongitude( get_post_meta( $addressId, 'longitude', true ) );
		$address->setLatitude( get_post_meta( $addressId, 'latitude', true ) );

		return $address;
	}

	/**
	 * Gets active address.
	 *
	 * @param int $orderId Order ID.
	 *
	 * @return int|null
	 */
	public function getValidatedAddressIdByOrderId( int $orderId ): ?int {
		$postIds = get_posts(
			[
				'post_type'   => self::POST_TYPE_VALIDATED_ADDRESS,
				'post_status' => 'any',
				'nopaging'    => true,
				'numberposts' => 1,
				'fields'      => 'ids',
				'post_parent' => $orderId,
			]
		);

		if ( count( $postIds ) === 0 ) {
			return null;
		}

		return (int) array_shift( $postIds );
	}

	/**
	 * Gets meta property of order as string.
	 *
	 * @param \WC_Order $order Order.
	 * @param string    $key   Meta order key.
	 *
	 * @return string|null
	 */
	private function getMetaAsNullableString( \WC_Order $order, string $key ): ?string {
		$value = $order->get_meta( $key, true );

		return ( ( $value !== null && $value !== '' ) ? (string) $value : null );
	}

	/**
	 * Gets meta property of order as float.
	 *
	 * @param \WC_Order $order Order.
	 * @param string    $key   Meta order key.
	 *
	 * @return float|null
	 */
	private function getMetaAsNullableFloat( \WC_Order $order, string $key ): ?float {
		$value = $order->get_meta( $key, true );

		return ( ( $value !== null && $value !== '' ) ? (float) $value : null );
	}

	/**
	 * Creates log table.
	 *
	 * @return void
	 */
	private function createLogTable(): void {
		if ( $this->logRepository->createOrAlterTable() === false ) {
			$this->messageManager->flash_message(
				// translators: %s: Short table name.
				sprintf( __( 'Database %s table could not be created or altered, more information might be found in WooCommerce logs.', 'packeta' ), 'log' ),
				MessageManager::TYPE_ERROR
			);
		}
	}

	/**
	 * Creates carrier table.
	 *
	 * @return void
	 */
	private function createCarrierTable(): void {
		if ( $this->carrierRepository->createOrAlterTable() === false ) {
			$this->flashAndLog( 'carrier', Record::ACTION_CARRIER_TABLE_NOT_CREATED );
		}
	}

	/**
	 * Creates order table.
	 *
	 * @return void
	 */
	private function createOrderTable(): void {
		if ( $this->orderRepository->createOrAlterTable() === false ) {
			$this->flashAndLog( 'order', Record::ACTION_ORDER_TABLE_NOT_CREATED );
		}
	}

	/**
	 * Creates order table.
	 *
	 * @return void
	 */
	private function createCustomsDeclarationTables(): void {
		if ( $this->customsDeclarationRepository->createOrAlterTable() === false ) {
			$this->flashAndLog( 'customs_declaration', Record::ACTION_CUSTOMS_DECLARATION_TABLE_NOT_CREATED );
		}

		if ( $this->customsDeclarationRepository->createOrAlterItemTable() === false ) {
			$this->flashAndLog( 'customs_declaration_item', Record::ACTION_CUSTOMS_DECLARATION_ITEM_TABLE_NOT_CREATED );
		}
	}

	/**
	 * Flashes error and logs to Packeta log.
	 *
	 * @param string $table Short table name.
	 * @param string $action Log action.
	 *
	 * @return void
	 */
	private function flashAndLog( string $table, string $action ): void {
		// translators: %s: Short table name.
		$flashMessage = sprintf( __( 'Database %s table of Packeta plugin could not be created or altered, you can find more information in Packeta log.', 'packeta' ), $table );
		$this->messageManager->flash_message( $flashMessage, MessageManager::TYPE_ERROR );

		$record         = new Record();
		$record->action = $action;
		$record->status = Record::STATUS_ERROR;
		// translators: %s: Short table name.
		$record->title = sprintf( __( 'Database %s table could not be created or altered, more information might be found in WooCommerce logs.', 'packeta' ), $table );
		$this->logger->add( $record );
	}
}