<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

/**
 * Auto-generated Migration: Please modify to your needs!
 */
final class Version20241220000000 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Add memberCount field to chat_channel table';
    }

    public function up(Schema $schema): void
    {
        // Add memberCount column to chat_channel table
        $this->addSql('ALTER TABLE chat_channel ADD member_count INT NOT NULL DEFAULT 0');
        
        // Update existing channels with correct member count
        $this->addSql('
            UPDATE chat_channel c 
            SET member_count = (
                SELECT COUNT(*) 
                FROM chat_channel_member m 
                WHERE m.channel_id = c.id AND m.is_active = 1
            )
        ');
    }

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