<?php

declare(strict_types=1);

namespace Chill\Migrations\Person;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;

/**
 * Create a view for assembling household, person and addresses
 */
final class Version20210616102900 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create a view for assembling household, person and addresses';
    }

    public function up(Schema $schema): void
    {
        $this->addSql("CREATE VIEW view_chill_person_household_address AS ".
            "SELECT ".
                "members.person_id AS person_id, ".
                "members.household_id AS household_id, ".
                "members.id AS member_id, ".
                "address.id AS address_id, ".
                "CASE WHEN address.validFrom < members.startDate THEN members.startDate ELSE address.validFrom END AS validFrom, ".
                "CASE WHEN COALESCE(address.validTo, 'infinity') < COALESCE(members.endDate, 'infinity') THEN address.validTo ELSE members.endDate END AS validTo ".
            "FROM chill_person_household_members AS members ".
            "JOIN chill_person_household_to_addresses AS household_to_addr ON household_to_addr.household_id = members.household_id ".
            "JOIN chill_main_address AS address ON household_to_addr.address_id = address.id ".
                "AND daterange(address.validFrom, address.validTo) && daterange(members.startDate, members.endDate) ".
            "WHERE members.sharedhousehold IS TRUE "
        );

    }

    public function down(Schema $schema): void
    {
        $this->addSql("DROP VIEW view_chill_person_household_address");
    }
}