<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

final class Version20260306120000 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create employee_rtt_balances table for RTT opening balances.';
    }

    public function up(Schema $schema): void
    {
        $this->addSql('CREATE TABLE employee_rtt_balances (id SERIAL NOT NULL, employee_id INT NOT NULL, year INT NOT NULL, opening_minutes INT NOT NULL, is_locked BOOLEAN DEFAULT FALSE NOT NULL, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, updated_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, PRIMARY KEY(id))');
        $this->addSql('CREATE UNIQUE INDEX uniq_employee_rtt_balance ON employee_rtt_balances (employee_id, year)');
        $this->addSql('CREATE INDEX idx_rtt_balance_employee_year ON employee_rtt_balances (employee_id, year)');
        $this->addSql('ALTER TABLE employee_rtt_balances ADD CONSTRAINT FK_rtt_balance_employee FOREIGN KEY (employee_id) REFERENCES employees (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
    }

    public function down(Schema $schema): void
    {
        $this->addSql('DROP TABLE employee_rtt_balances');
    }
}