Configuration Parser

class NginxParser:
    """Class handles parsing nginx configuration files.
    
    Args:
        root: Absolute path to server root directory
        
    Attributes:
        parsed: dict[str, UnspacedList] - Mapping of file paths to parsed trees
        root: str - Normalized absolute path to server root
        config_root: str - Configuration root directory
    """
    
    def __init__(self, root: str) -> None:
        """Initialize parser with server root directory."""
    
    def load(self) -> None:
        """Load nginx files into parsed tree.
        
        Parses nginx.conf and all included files recursively.
        """
        
    @property
    def http_path(self) -> str:
        """Path to file containing nginx http block.
        
        Returns:
            Filepath of file with http block
            
        Raises:
            errors.MisconfigurationError: No nginx http block found
        """

def get_vhosts(self) -> list[VirtualHost]:
    """Get list of all virtual hosts found in nginx configuration.
    
    Returns:
        List of VirtualHost objects found in configuration
    """

def duplicate_vhost(self, vhost: VirtualHost, 
                   remove_singleton_listen_params: bool = False,
                   only_directives: Optional[list[str]] = None) -> VirtualHost:
    """Duplicate a virtual host with optional filtering.
    
    Args:
        vhost: Virtual host to duplicate
        remove_singleton_listen_params: Remove singleton listen parameters
        only_directives: Only duplicate these directives if specified
        
    Returns:
        New duplicated VirtualHost object
    """

def abs_path(self, path: str) -> str:
    """Convert relative path to absolute path relative to root.
    
    Args:
        path: The path to convert
        
    Returns:
        Absolute path
    """

def add_server_directives(self, vhost: VirtualHost, directives: list[list[str]], 
                         insert_at_top: bool = False) -> None:
    """Add directives to server block.
    
    Args:
        vhost: Virtual host to modify
        directives: List of directive lists to add
        insert_at_top: Insert at top of server block if True
        
    Raises:
        errors.MisconfigurationError: Problem adding directives
    """

def update_or_add_server_directives(self, vhost: VirtualHost, 
                                   directives: list[list[str]]) -> None:
    """Update existing directives or add new ones.
    
    Args:
        vhost: Virtual host to modify
        directives: List of directive lists to update/add
        
    Raises:
        errors.MisconfigurationError: Problem updating directives
    """

def remove_server_directives(self, vhost: VirtualHost, directive: str,
                           match_func: Optional[Callable[[Any], bool]] = None) -> None:
    """Remove server directives matching criteria.
    
    Args:
        vhost: Virtual host to modify
        directive: Name of directive to remove
        match_func: Optional function to match specific directives
        
    Raises:
        errors.MisconfigurationError: Problem removing directives
    """

def parse_server(self, server: UnspacedList) -> dict[str, Any]:
    """Parse server block directives and extract configuration.
    
    Args:
        server: Parsed server block as UnspacedList
        
    Returns:
        Dictionary containing parsed server configuration with keys:
        - addrs: List of addresses the server listens on
        - ssl: Boolean indicating if SSL is enabled
        - names: Set of server names
        
    Raises:
        errors.MisconfigurationError: Invalid server block structure
    """

def has_ssl_on_directive(self, vhost: VirtualHost) -> bool:
    """Check if virtual host has 'ssl on' directive.
    
    Args:
        vhost: Virtual host to check
        
    Returns:
        True if 'ssl on' directive is present
    """

def filedump(self, ext: str = 'tmp', lazy: bool = True) -> None:
    """Write parsed configuration back to files.
    
    Args:
        ext: File extension to use ('tmp' for temporary files, '' for original files)
        lazy: Only dump files that have been modified if True
    """

def _parse_recursively(self, filepath: str) -> None:
    """Parse nginx config files recursively by following include directives."""

def _parse_files(self, filepath: str) -> dict[str, UnspacedList]:
    """Parse files matching glob pattern."""

def _build_addr_to_ssl(self) -> dict[tuple[str, str], bool]:
    """Build map from address to SSL status."""

def _get_raw_servers(self) -> dict[str, Union[list[Any], UnspacedList]]:
    """Get map of unparsed server blocks."""

def _update_vhosts_addrs_ssl(self, vhosts: Iterable[VirtualHost]) -> None:
    """Update vhost addresses with global SSL status."""

def _get_included_directives(self, block: UnspacedList) -> UnspacedList:
    """Expand include directives by concatenating included file contents."""

def get_best_match(target_name: str, names: Iterable[str]) -> tuple[Optional[str], Optional[str]]:
    """Get best matching server name for target.
    
    Args:
        target_name: Target domain name
        names: Set of server names to match against
        
    Returns:
        Tuple of (match_type, matched_name) where match_type indicates
        the type of match found and matched_name is the matching server name,
        or (None, None) if no match is found
    """

def comment_directive(block: UnspacedList, index: int) -> None:
    """Comment out directive at specified index.
    
    Args:
        block: Configuration block
        index: Index of directive to comment
    """

from certbot_nginx._internal.parser import NginxParser

# Initialize parser
parser = NginxParser('/etc/nginx')

# Load configuration files
parser.load()

# Get all virtual hosts
vhosts = parser.get_vhosts()
print(f"Found {len(vhosts)} virtual hosts")

# Show virtual host details
for vhost in vhosts:
    print(f"File: {vhost.filep}")
    print(f"Names: {vhost.names}")
    print(f"SSL: {vhost.ssl}")
    print(f"Addresses: {[str(addr) for addr in vhost.addrs]}")

# Select a virtual host
vhost = vhosts[0]

# Add SSL certificate directives
ssl_directives = [
    ['\n    ', 'ssl_certificate', ' ', '/path/to/cert.pem'],
    ['\n    ', 'ssl_certificate_key', ' ', '/path/to/key.pem']
]

parser.add_server_directives(vhost, ssl_directives)

# Write changes back to files
parser.filedump()

# Duplicate a virtual host for SSL configuration
original_vhost = vhosts[0]
ssl_vhost = parser.duplicate_vhost(original_vhost)

# Add SSL-specific directives to the duplicate
ssl_config = [
    ['\n    ', 'listen', ' ', '443', ' ', 'ssl'],
    ['\n    ', 'ssl_certificate', ' ', '/path/to/cert.pem'],
    ['\n    ', 'ssl_certificate_key', ' ', '/path/to/key.pem']
]

parser.add_server_directives(ssl_vhost, ssl_config)

for vhost in vhosts:
    has_ssl_on = parser.has_ssl_on_directive(vhost)
    print(f"VHost {vhost.filep} has 'ssl on': {has_ssl_on}")