<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\MainBundle\Service\Import;

use Chill\MainBundle\Entity\Address;
use Doctrine\DBAL\Connection;
use Psr\Log\LoggerInterface;

/**
 * Mark existing addresses as to be reviewed regarding the
 * address reference.
 */
final readonly class AddressToReferenceMatcher
{
    private const LOG_PREFIX = '[address_to_reference_matcher] ';

    private const SQL_MARK_TO_REVIEW_ADDRESS_UNMATCHING = <<<'SQL'
        UPDATE chill_main_address a SET refstatus = '{{ to_review }}', refstatuslastupdate = NOW()
        FROM chill_main_address_reference ar
        WHERE
            a.addressreference_id = ar.id
            -- restrict only on active addresses
            AND (a.validto IS NULL OR a.validto >= NOW())
            -- only addresses that are marked matching or "to review", but before the update
            AND
                (a.refstatus LIKE '{{ matching }}'
                OR (a.refstatus LIKE '{{ reviewed }}' AND a.refstatuslastupdate < ar.updatedat))
            AND (
                a.postcode_id != ar.postcode_id
                OR a.street != ar.street
                OR a.streetnumber != ar.streetnumber
                OR ROUND(ST_X(a.point) * 1000000) <> ROUND(ST_X(ar.point) * 1000000)
                OR ROUND(ST_Y(a.point) * 1000000) <> ROUND(ST_Y(ar.point) * 1000000)
            )
    SQL;

    private const SQL_MARK_MATCHING_ADDRESSES_REVIEWED_OR_TO_REVIEW = <<<'SQL'
        UPDATE chill_main_address a SET refstatus = '{{ matching }}', refstatuslastupdate = NOW()
        FROM chill_main_address_reference ar
        WHERE
            a.addressreference_id = ar.id
            -- restrict only on active addresses
            AND (a.validto IS NULL OR a.validto >= NOW())
            AND a.refstatus IN ('{{ to_review }}', '{{ reviewed }}')
            AND a.postcode_id = ar.postcode_id
            AND a.street = ar.street
            AND a.streetnumber = ar.streetnumber
            AND ROUND(ST_X(a.point) * 1000000) = ROUND(ST_X(ar.point) * 1000000)
            AND ROUND(ST_Y(a.point) * 1000000) = ROUND(ST_Y(ar.point) * 1000000)
    SQL;

    private const SUBSTITUTES = [
        '{{ to_review }}' => Address::ADDR_REFERENCE_STATUS_TO_REVIEW,
        '{{ matching }}' => Address::ADDR_REFERENCE_STATUS_MATCH,
        '{{ reviewed }}' => Address::ADDR_REFERENCE_STATUS_REVIEWED,
    ];

    public function __construct(private Connection $connection, private LoggerInterface $logger)
    {
    }

    public function checkAddressesMatchingReferences(): void
    {
        $this->logger->notice(self::LOG_PREFIX.'Starting addresses matching');

        $this->connection->transactional(function () {
            $markedAsMatching = $this->connection->executeStatement(
                strtr(self::SQL_MARK_MATCHING_ADDRESSES_REVIEWED_OR_TO_REVIEW, self::SUBSTITUTES)
            );

            $markedAsToReview = $this->connection->executeStatement(
                strtr(self::SQL_MARK_TO_REVIEW_ADDRESS_UNMATCHING, self::SUBSTITUTES)
            );

            $this->logger->info(self::LOG_PREFIX.'Executed address matching', [
                'marked_as_matching' => $markedAsMatching,
                'marked_as_to_review' => $markedAsToReview,
            ]);
        });
    }
}