<?php

declare(strict_types=1);

namespace DoctrineMigrations;

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

final class Version20260217090323 extends AbstractMigration
{
    public function getDescription(): string
    {
        return 'Create super_admins and establishments tables for multi-establishment management (Story 2.10)';
    }

    public function up(Schema $schema): void
    {
        $this->addSql(<<<'SQL'
            CREATE TABLE IF NOT EXISTS super_admins (
                id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
                email VARCHAR(255) NOT NULL UNIQUE,
                password_hash VARCHAR(255) NOT NULL,
                first_name VARCHAR(100) NOT NULL DEFAULT '',
                last_name VARCHAR(100) NOT NULL DEFAULT '',
                status VARCHAR(20) NOT NULL DEFAULT 'active',
                created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
                last_login_at TIMESTAMPTZ
            )
        SQL);

        $this->addSql(<<<'SQL'
            CREATE TABLE IF NOT EXISTS establishments (
                id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
                tenant_id UUID NOT NULL UNIQUE,
                name VARCHAR(255) NOT NULL,
                subdomain VARCHAR(100) NOT NULL UNIQUE,
                database_name VARCHAR(100) NOT NULL UNIQUE,
                status VARCHAR(20) NOT NULL DEFAULT 'active',
                created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
                created_by UUID REFERENCES super_admins(id),
                last_activity_at TIMESTAMPTZ
            )
        SQL);

        $this->addSql('CREATE INDEX IF NOT EXISTS idx_establishments_subdomain ON establishments(subdomain)');
        $this->addSql('CREATE INDEX IF NOT EXISTS idx_establishments_status ON establishments(status)');

        $this->addSql(<<<'SQL'
            CREATE TABLE IF NOT EXISTS establishment_metrics (
                establishment_id UUID PRIMARY KEY REFERENCES establishments(id) ON DELETE CASCADE,
                user_count INT NOT NULL DEFAULT 0,
                student_count INT NOT NULL DEFAULT 0,
                teacher_count INT NOT NULL DEFAULT 0,
                last_login_at TIMESTAMPTZ,
                updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
            )
        SQL);
    }

    public function down(Schema $schema): void
    {
        $this->addSql('DROP TABLE IF EXISTS establishment_metrics');
        $this->addSql('DROP TABLE IF EXISTS establishments');
        $this->addSql('DROP TABLE IF EXISTS super_admins');
    }
}