const logout = async (refreshToken) => {
  try {
    const response = await fetch('https://api.weir.ai/auth/logout', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({ refreshToken })
    });
    
    if (!response.ok) {
      throw new Error(`HTTP error! status: ${response.status}`);
    }
    
    const data = await response.json();
    
    // Clear stored tokens
    localStorage.removeItem('accessToken');
    localStorage.removeItem('refreshToken');
    localStorage.removeItem('tokenExpiresAt');
    
    return data;
  } catch (error) {
    console.error('Logout error:', error);
    // Still clear local tokens even if server request fails
    localStorage.clear();
    throw error;
  }
};

// Usage
await logout('refresh_token_123456789');
console.log('User logged out successfully');

import requests

def logout(refresh_token):
    try:
        response = requests.post(
            'https://api.weir.ai/auth/logout',
            json={'refreshToken': refresh_token}
        )
        response.raise_for_status()
        
        data = response.json()
        
        # Clear stored tokens (implement based on your storage mechanism)
        # session.clear() or similar
        
        return data
    except requests.exceptions.RequestException as e:
        print(f'Logout error: {e}')
        # Still clear local tokens even if server request fails
        # session.clear()
        raise

# Usage
logout('refresh_token_123456789')
print('User logged out successfully')

function logout($refreshToken) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, 'https://api.weir.ai/auth/logout');
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'refreshToken' => $refreshToken
    ]));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
    
    if ($httpCode !== 200) {
        // Still clear local tokens even if server request fails
        unset($_SESSION['accessToken']);
        unset($_SESSION['refreshToken']);
        throw new Exception("HTTP error: $httpCode");
    }
    
    $data = json_decode($response, true);
    
    // Clear stored tokens
    unset($_SESSION['accessToken']);
    unset($_SESSION['refreshToken']);
    
    return $data;
}

// Usage
logout('refresh_token_123456789');
echo "User logged out successfully";