<?php

declare(strict_types=1);

require dirname(__DIR__) . '/vendor/autoload.php';

$dotenv = Dotenv\Dotenv::createImmutable(dirname(__DIR__));
$dotenv->safeLoad();

$schemaFile = dirname(__DIR__) . '/database/schema.sql';
if (!is_file($schemaFile)) {
    fwrite(STDERR, "Schema file not found.\n");
    exit(1);
}

$sql = file_get_contents($schemaFile);
if ($sql === false) {
    fwrite(STDERR, "Unable to read schema file.\n");
    exit(1);
}

$dsn = sprintf(
    'mysql:host=%s;port=%s;dbname=%s;charset=%s',
    $_ENV['DB_HOST'] ?? '127.0.0.1',
    $_ENV['DB_PORT'] ?? '3306',
    $_ENV['DB_DATABASE'] ?? '',
    $_ENV['DB_CHARSET'] ?? 'utf8mb4'
);

$pdo = new PDO(
    $dsn,
    $_ENV['DB_USERNAME'] ?? '',
    $_ENV['DB_PASSWORD'] ?? '',
    [
        PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    ]
);

$statements = preg_split('/;\s*[\r\n]+/', $sql);
$count = 0;

foreach ($statements as $statement) {
    $statement = trim($statement);
    if ($statement === '') {
        continue;
    }
    $pdo->exec($statement);
    $count++;
}

$totalTables = (int)$pdo->query('SELECT COUNT(*) AS c FROM information_schema.tables WHERE table_schema = DATABASE()')->fetchColumn();

echo "IMPORT_OK\n";
echo "STATEMENTS={$count}\n";
echo "TABLES={$totalTables}\n";