setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// Create Database if not exists
$pdo->exec("CREATE DATABASE IF NOT EXISTS sudoku CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
echo "Database 'sudoku' successfully checked/created.
";
} catch (PDOException $e) {
die("DB Connection failed: " . $e->getMessage());
}
// 2. Connect to the specific Database 'sudoku'
try {
$dsn = "mysql:host=$host;dbname=sudoku;charset=$charset";
$conn = new PDO($dsn, $user, $pass);
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
die("Connection to 'sudoku' failed: " . $e->getMessage());
}
// 3. Create 'users' table
try {
$sqlUsers = "
CREATE TABLE IF NOT EXISTS users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci";
$conn->exec($sqlUsers);
echo "Table 'users' successfully checked/created.
";
// Seed default users if table is empty
$check = $conn->query("SELECT count(*) FROM users")->fetchColumn();
if ($check == 0) {
$password = password_hash('123456', PASSWORD_DEFAULT); // Default password
$sqlInsert = "INSERT INTO users (username, password) VALUES
('admin', '$password'),
('player1', '$password')";
$conn->exec($sqlInsert);
echo "Default users (admin, player1) created with password '123456'.
";
}
} catch (PDOException $e) {
echo "Error Creating 'users': " . $e->getMessage() . "
";
}
// 4. Create 'leaderboard_sudoku' table
try {
$sqlLeaderboard = "
CREATE TABLE IF NOT EXISTS leaderboard_sudoku (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50),
difficulty VARCHAR(10),
time_seconds INT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)";
$conn->exec($sqlLeaderboard);
echo "Table 'leaderboard_sudoku' successfully checked/created.
";
} catch (PDOException $e) {
echo "Error Creating 'leaderboard_sudoku': " . $e->getMessage() . "
";
}
echo "
Setup Complete! You can now use the application.";
?>