import io
from fabric import Connection
from getpass import getpass
from dotenv import load_dotenv
import io
import os
from cube_activate_ssh import activate_ssh
from ruamel.yaml import YAML
from ruamel.yaml.scalarstring import DoubleQuotedScalarString
import shlex
import base64

load_dotenv(override=True)

def execute_command(c, command):
    """Executes a simple command on the remote device."""
    try:
        result = c.run(command, hide=True)
        return result.stdout
    except Exception as e:
        print(f"Error executing {command}: {e}")

def execute_sudo_command(c, command, sudo_pass):
    """Executes a command with sudo on the remote device."""
    # print(f"\n--- [{c.host}] Executing with sudo: {command} ---")
    try:
        result = c.sudo(command, password=sudo_pass, pty=True, hide=True)
        return result.stdout
        # print("STDOUT:")
        # print(result.stdout)
        # print("STDERR:")
        # print(result.stderr)
    except Exception as e:
        print(f"Error executing {command} as administrator: {e}")

def read_remote_config_sudo(c, remote_path, sudo_pass):
    """
    Reads a remote file with sudo and returns its content as a string.
    """
    # print(f"\n--- [{c.host}] Reading remote file with sudo: {remote_path} ---")
    try:
        # Use sudo to cat the file and capture its output
        result = c.sudo(f"cat {remote_path}", password=sudo_pass, hide=True)
        return result.stdout
    except Exception as e:
        print(f"Error reading remote file with sudo: {e}")
        return None

 # Make sure to import shlex at the top of your script

def write_remote_config_sudo(c, remote_path, content, sudo_pass, user_owner, group_owner, permissions):
    """
    Writes content directly to a remote file using the 'sudo sh -c' pattern.

    This is the most robust and secure method for environments where SFTP is
    disabled. It avoids input stream conflicts and prevents shell injection.

    Args:
        c (fabric.Connection): The active connection object.
        remote_path (str): The absolute path to the file on the remote host.
        content (str): The string content to be written to the file.
        sudo_pass (str): The sudo password for the write operation.
    """
    print(f"\n--- [{c.host}] Writing directly using 'sudo sh -c' method: {remote_path} ---")
    try:
        # Step 1: Securely escape the content for safe shell execution.
        # shlex.quote() wraps the string in single quotes and handles any
        # internal single quotes, making it safe to pass to a shell.
        safe_content = shlex.quote(content)

        # Step 2: Construct the command.
        # 'sudo sh -c "..."': This runs a new shell ('sh') with root privileges.
        # 'echo ... > file': This command is executed *by the root shell*.
        # The redirection '>' is therefore handled by root, which has permission
        # to write to the protected 'remote_path'.
        command = f"sh -c \"echo {safe_content} > {remote_path}\""

        print("Step 1: Writing content via root shell...")
        # We run this entire command string using c.sudo(). Fabric will handle
        # the password prompt correctly for the 'sudo sh' part.
        c.sudo(command, password=sudo_pass, hide=True)

        # Step 3: Set ownership and permissions as a separate step.
        print("Step 2: Setting ownership and permissions...")
        c.sudo(f"chown {user_owner}:{group_owner} {remote_path}", password=sudo_pass)
        c.sudo(f"chmod {permissions} {remote_path}", password=sudo_pass)

        print(f"✅ Successfully wrote content to {remote_path}")

    except Exception as e:
        print(f"❌ Error writing directly to remote file: {e}")
        # Re-raise the exception so the calling function can handle it.
        raise

def set_config_field(config_content, option, new_value, add_if_missing=False):
    """
    Replaces a configuration value, or optionally adds it if it's missing.

    This function is idempotent: running it multiple times with the same
    parameters will result in the same configuration state.

    Args:
        config_content (str): The multi-line string of the configuration file.
        option (str): The configuration key to find (e.g., "PermitRootLogin").
        new_value (str): The new value to set for the option.
        add_if_missing (bool): If True, adds the 'option=new_value' to the end
                               of the content if it's not found. Defaults to False.

    Returns:
        str: The modified configuration content.
    """
    lines = config_content.splitlines()
    new_lines = []
    found = False

    # First, iterate through the existing lines to find and replace the option.
    for line in lines:
        # Check if the line is a non-commented definition of our option.
        if line.strip().startswith(option + '=') and not line.strip().startswith('#'):
            new_lines.append(f"{option}={new_value}")
            found = True
        else:
            # Keep the original line if it's not a match.
            new_lines.append(line)

    # After checking all lines, if the option was not found AND we are
    # instructed to add it, we append it to the end of the configuration.
    if not found and add_if_missing:
        print(f"Info: Option '{option}' not found. Appending it to the configuration.")
        # Ensure the new line is actually on a new line.
        if new_lines and new_lines[-1] != '':
             new_lines.append('') # Add a blank line for separation if needed
        new_lines.append(f"{option}={new_value}")
    elif not found:
        # This is the original behavior: do nothing if missing and not told to add.
        print(f"Warning: Option '{option}' not found. No changes made.")

    return "\n".join(new_lines)

def find_config_value(config_content, option):
    """
    Finds a specific option in a configuration string and returns its value.

    Args:
        config_content (str): The multi-line string of the configuration file.
        option (str): The configuration key to find (e.g., "PermitRootLogin").

    Returns:
        str: The value of the option if found.
        None: If the option is not found or is commented out.
    """
    try:
        # Go through each line in the configuration
        for line in config_content.splitlines():
            # Clean up the line by removing leading/trailing whitespace
            clean_line = line.strip()

            # Check if the line is not a comment and starts with our option
            # The '=' is important to avoid matching partial keys (e.g., 'Port' matching 'Ports')
            if not clean_line.startswith('#') and clean_line.startswith(option + '='):
                
                # Split the line only on the first equals sign
                # This handles cases where the value itself might contain an '='
                parts = clean_line.split('=', 1)
                
                # The value is the second part, stripped of any whitespace
                value = parts[1].strip()
                return value
                
    except Exception as e:
        # In case of any unexpected error (e.g., malformed content), return None
        print(f"An error occurred while parsing config: {e}")
        return None

    # If the loop finishes without finding the option, return None
    return None

def cloud_configuration_check(hostname, result, iot_hub, proxy_host, proxy_port):
    print(f"\tLight telemetry:", end=" ", flush=True)
    status = find_config_value(result, "light-telemetry")
    if status == "false":
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌")

    print(f"\tTelemetry:", end=" ", flush=True)
    status = find_config_value(result, "telemetry-on")
    if status == "true":
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌")


    print(f"\tCompression:", end=" ", flush=True)
    status = find_config_value(result, "compression-enabled")
    if status == "true":
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)

    print(f"\tRemote update:", end=" ", flush=True)
    status = find_config_value(result, "remote-update-on")
    if status == "true":
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)

    print(f"\tConnection string:", end="\n", flush=True)
    status = find_config_value(result, "connection-string")
    parsed_data = parse_connection_string(status)
    print(f"\t\tIoT Hub:", end=" ", flush=True)
    print(f"{parsed_data.get('HostName')}", end=" ", flush=True)
    if parsed_data.get('HostName').strip() == iot_hub.strip():
            print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)
    print(f"\t\tDevice ID:", end=" ", flush=True)
    print(f"{parsed_data.get('DeviceId')}", end=" ", flush=True)
    if parsed_data.get('DeviceId').strip() == hostname.strip():
            print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)  

    print(f"\tProxy:", end="\n", flush=True)
    print(f"\t\tHost:", end=" ", flush=True)
    status = find_config_value(result, "proxy-host")
    if status == None:
        print(f"NA ❌", end="\n", flush=True)
    elif status == proxy_host:
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)
    print(f"\t\tPort:", end=" ", flush=True)
    status = find_config_value(result, "proxy-port")
    if status == None:
        print(f"NA ❌", end="\n", flush=True)
    elif status == proxy_port:
        print(f"✅", end="\n", flush=True)
    else:
        print(f"❌", end="\n", flush=True)

def parse_connection_string(connection_string):
    """
    Parses a semicolon-separated connection string into a dictionary,
    handling keys that have an escaped equals sign (e.g., 'Key\\=Value').
    """
    parsed_data = {}
    
    # 1. Split the entire string by the semicolon to get each pair
    parts = connection_string.split(';')
    
    for part in parts:
        # 2. IMPORTANT: Replace the escaped separator '\\=' with a plain '='.
        # This is the only replacement needed and uses the correct syntax.
        cleaned_part = part.replace('\\=', '=')

        # 3. Now, split the cleaned part by the first equals sign
        if '=' in cleaned_part:
            key, value = cleaned_part.split('=', 1)
            # Add the key-value pair to our dictionary, stripping any extra whitespace
            parsed_data[key.strip()] = value.strip()
            
    return parsed_data

def find_yaml_value(yaml_content, key_path):
    """
    Finds a value in a YAML string using a dot-separated path.

    Args:
        yaml_content (str): The string content of the YAML file.
        key_path (str): A dot-separated path to the key (e.g., "cubeProcess.cyber_check").

    Returns:
        The value if found, otherwise None.
    """
    try:
        yaml = YAML()
        data = yaml.load(yaml_content)
        
        # Traverse the path
        keys = key_path.split('.')
        current_level = data
        for key in keys:
            current_level = current_level[key]
        
        return current_level
    except (KeyError, TypeError):
        # KeyError if a key is not found, TypeError if trying to index a non-dict
        # print(f"Warning: Key path '{key_path}' not found in YAML content.")
        return None
    
def set_yaml_value(yaml_content, key_path, new_value):
    """
    Sets a value in a YAML string using a dot-separated path.
    Preserves comments, formatting, and quotes thanks to ruamel.yaml.
    This version correctly traverses nested keys.

    Args:
        yaml_content (str): The string content of the YAML file.
        key_path (str): A dot-separated path to the key (e.g., "cubeProcess.cyber_check").
        new_value: The new value to set.

    Returns:
        str: The modified YAML content as a string, or the original content on error.
    """
    try:
        # --- FIX 1: Configure the YAML object to preserve quotes ---
        yaml = YAML()
        yaml.preserve_quotes = True
        yaml.indent(mapping=2, sequence=4, offset=2) # Optional: ensures consistent indentation

        data = yaml.load(yaml_content)
        
        # --- FIX 2: Correct traversal logic ---
        keys = key_path.split('.')
        current_level = data
        
        # Traverse down to the final key's parent dictionary
        for key in keys[:-1]:
            current_level = current_level[key]
            
        final_key = keys[-1]
        
        # Check if the key exists before setting it
        if final_key not in current_level:
            print(f"❌ Error: Final key '{final_key}' not found in the structure. Aborting.")
            return yaml_content # Return original content

        # Set the new value
        current_level[final_key] = new_value
        
        # Dump the modified data back to a string
        string_stream = io.StringIO()
        yaml.dump(data, string_stream)
        return string_stream.getvalue()
        
    except (KeyError, TypeError) as e:
        print(f"❌ Error: Key path '{key_path}' is invalid or part of the path does not exist. Error: {e}")
        return yaml_content # Return original content on failure
def ensure_iptables_port_rule(config_content, target_port, template_port):
    """
    Ensures that iptables rules for a target port exist in the configuration.

    If rules for the target port are not found, it finds rules for a
    template port and replaces the port number.

    Args:
        config_content (str): The multi-line string of the iptables rules file.
        target_port (int or str): The port number that should exist (e.g., 8080).
        template_port (int or str): The port number to use as a template (e.g., 443).

    Returns:
        str: The modified (or original) configuration content.
    """
    target_port_str = str(target_port)
    template_port_str = str(template_port)
    lines = config_content.splitlines()
    
    target_port_found = False
    
    # --- PASS 1: Check if the target port rule already exists ---
    for line in lines:
        # Check for the target port in an active rule line
        # The spaces around the port string prevent accidentally matching '8080' in '18080'
        if line.strip().startswith('-A') and (f"--dport {target_port_str}" in line or f"--sport {target_port_str}" in line):
            print(f"✅ Info: Rule for target port {target_port_str} already exists. No changes needed.")
            target_port_found = True
            break
            
    # If the rule was found, return the original content without any changes.
    if target_port_found:
        return config_content
        
    # --- PASS 2: If we get here, the rule was not found. We must replace the template. ---
    print(f"Info: Rule for target port {target_port_str} not found. Searching for template port {template_port_str} to replace.")
    
    new_lines = []
    changes_made = False
    for line in lines:
        # Check for the template port in an active rule line
        if line.strip().startswith('-A') and (f"--dport {template_port_str}" in line or f"--sport {template_port_str}" in line):
            # This is a line we need to modify
            modified_line = line.replace(template_port_str, target_port_str)
            new_lines.append(modified_line)
            print(f"   - Replacing: '{line}'")
            print(f"   + With:      '{modified_line}'")
            changes_made = True
        else:
            # This line doesn't need changing, add it as is.
            new_lines.append(line)
            
    if not changes_made:
        print(f"❌ Warning: Target port {target_port_str} was not found, AND template port {template_port_str} was also not found. No changes made.")
        return config_content # Return original if template wasn't found either

    return "\n".join(new_lines)

def write_remote_config_base64_sudo(c, remote_path, content, sudo_pass, user_owner, group_owner, permissions):
    """
    Writes content directly to a remote file by passing it as a Base64 string.

    This is the most robust method for no-SFTP environments, as it completely
    avoids all shell quoting and parsing issues for complex, multi-line content.

    Args:
        c (fabric.Connection): The active connection object.
        remote_path (str): The absolute path to the file on the remote host.
        content (str): The string content to be written to the file.
        sudo_pass (str): The sudo password for the write operation.
    """
    print(f"\n--- [{c.host}] Writing content via Base64 to: {remote_path} ---")
    try:
        # Step 1: Encode the string content into Base64.
        # base64.b64encode requires bytes, so we encode the string to utf-8.
        # The result is bytes, so we decode it back to a simple ascii string to use in our command.
        base64_content = base64.b64encode(content.encode('utf-8')).decode('ascii')

        # Step 2: Construct the command.
        # 'echo ... | base64 --decode > file': This pipeline decodes the content
        # and redirects the output to the destination file.
        # We wrap the entire pipeline in 'sudo sh -c "..."' so that the
        # redirection ('>') is performed by a shell running as root.
        command = f"sh -c \"echo '{base64_content}' | base64 --decode > {remote_path}\""

        print("Step 1: Writing Base64 content via root shell...")
        c.sudo(command, password=sudo_pass, hide=True)

        # Step 3: Set ownership and permissions.
        print("Step 2: Setting ownership and permissions...")
        c.sudo(f"chown {user_owner}:{group_owner} {remote_path}", password=sudo_pass)
        c.sudo(f"chmod {permissions} {remote_path}", password=sudo_pass)

        print(f"✅ Successfully wrote content to {remote_path}")

    except Exception as e:
        print(f"❌ Error writing Base64 content to remote file: {e}")
        # Re-raise the exception for the main loop.
        raise


def main():
    """Main function to parse arguments and orchestrate tasks."""
    ip_address_prefix = "10.81.56." # DK2 subnet
    ip_address_range = list(range(129, 145)) # From 129 to 144 (16 CUBEs)
    # ip_address_range.append(72) # Add 85 after 74.
    hosts = [f"{ip_address_prefix}{suffix}" for suffix in ip_address_range]

    ssh_port = 11022
    ssh_user = os.getenv("DEFAULT_CUBE_LINUX_ADMIN_USER")
    ssh_password = os.getenv("DEFAULT_CUBE_LINUX_ADMIN_PASSWORD")

    connect_args = {}
    connect_args["password"] = ssh_password
    connect_args["banner_timeout"] = 3
    connect_args["auth_timeout"] = 60
    connect_args["channel_timeout"] = 60
    connect_args["look_for_keys"] = False
    connect_args["allow_agent"] = False


    for host in hosts:
        print(f"{host}", end=" - ", flush=True)

        hostname = ""
        result = ""

        try:
            activate_ssh(host)
        except Exception as e:
            print(f"Exception: {e}")
            continue
       
        with Connection(host=host, user=ssh_user, port=ssh_port, connect_timeout=60, connect_kwargs=connect_args) as c:

            try:
                print(f"Hostname:", end=" ", flush=True)
                result = execute_command(c, "hostname")
                print(f"{result.strip()}", end="\n", flush=True)
                hostname = str.lower(result)
            except Exception as e:
                print(f"[Hostname] Exception: {e}")
                continue

            try:
                print(f"cURL:", end=" ", flush=True)
                result = execute_command(c, "curl -m 15 -x https://10.81.35.126:8080 https://iot-ingest-ess-prod.azure-devices.net")
                print(f"{result.strip()}", end="\n", flush=True)
            except Exception as e:
                print(f"[cURL] Exception: {e}")
                continue

            # try:
            #     print(f"Hostname:", end=" ", flush=True)
            #     result = execute_command(c, "hostname")
            #     print(f"{result.strip()}", end="\n", flush=True)
            #     hostname = str.lower(result)
            # except Exception as e:
            #     print(f"[Hostname] Exception: {e}")
            #     continue

            # try:
            #     print(f"Checking Cloud configuration:", end=" ", flush=True)
            #     result = read_remote_config_sudo(c, "/etc/cube/config-azure.properties", ssh_password)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Cloud configuration check] Exception: {e}")
            #     continue

            # cloud_configuration_check(hostname, result, "iot-ingest-ess-prod.azure-devices.net", "10.81.35.126", "8080")

            # print(f"Setting proxy configuration:", end="\n", flush=True)
            # result_proxy_host = set_config_field(result, "proxy-host", "10.81.35.126", True)
            # result_proxy_host_port = set_config_field(result_proxy_host, "proxy-port", "8080", True)
            # result_proxy_host_port_compression = set_config_field(result_proxy_host_port, "compression-enabled", "true", True)
            # result = result_proxy_host_port
            # cloud_configuration_check(hostname, result, "iot-ingest-ess-prod.azure-devices.net", "10.81.35.126", "8080")

            # response = input(f"Apply the change on {hostname.strip()}? (y)es or (n)o, anything else to cancel - ").lower()
            # if response in ['y']:
            #     print(f"Applying changes:", end=" ", flush=True)
            #     try:
            #         write_remote_config_sudo(c,  "/etc/cube/config-azure.properties", result, ssh_password, "cube", "root", "644")
            #         print(f"✅", end="\n", flush=True)
            #     except Exception as e:
            #         print(f"❌", end="\n", flush=True)
            #         print(f"[Proxy configuration] Exception: {e}")
            #         continue
            #     print(f"Checking Cloud configuration:", end=" ", flush=True)
            #     try:
            #         result = read_remote_config_sudo(c, "/etc/cube/config-azure.properties", ssh_password)
            #         print(f"✅", end="\n", flush=True)
            #     except Exception as e:
            #         print(f"❌", end="\n", flush=True)
            #         print(f"[Proxy verification] Exception: {e}")
            #         continue

            #     cloud_configuration_check(hostname, result, "iot-ingest-ess-prod.azure-devices.net", "10.81.35.126", "8080")
            # elif response in ['n']:
            #     print(f"Not applying configuration...")
            # else:
            #     print(f"Not applying configuration...")
            #     continue

            # print(f"Disabling Cyber Check:", end=" ", flush=True)
            # try:
            #     execute_sudo_command(c, "systemctl stop cube-monit.service", ssh_password)
            #     execute_sudo_command(c, "mount -o remount,rw /", ssh_password)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Disabling Cyber Check] Exception: {e}")
            #     continue

            # print(f"Reading Cyber Check configuration:", end=" ", flush=True)
            # try:
            #     result = read_remote_config_sudo(c, "/etc/cube-default/configfile_monit.yaml", ssh_password)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Cyber Check configuration] Exception: {e}")
            #     continue

            # print(f"Checking cyber_check:", end=" ", flush=True)
            # try:
            #     status = find_yaml_value(result, "cubeProcess.cyber_check")
            #     if status == False:
            #         print(f"✅", end="\n", flush=True)
            #     else:
            #         print(f"❌", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[cyber_check value] Exception: {e}")
            #     continue

            # print(f"Modifying cyber_check:", end=" ", flush=True)
            # modified_result = ""
            # try:
            #     modified_result = set_yaml_value(result, "cubeProcess.cyber_check", False)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[cyber_check modification] Exception: {e}")
            #     continue

            # print(f"Checking modified cyber_check:", end=" ", flush=True)
            # try:
            #     status = find_yaml_value(modified_result, "cubeProcess.cyber_check")
            #     if status == False:
            #         print(f"✅", end="\n", flush=True)
            #     else:
            #         print(f"❌", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Modified cyber_check value] Exception: {e}")
            #     continue

            # response = input(f"Apply the change on {hostname.strip()}? (y)es or (n)o, anything else to cancel - ").lower()
            # if response in ['y']:
            #     print(f"Applying changes:", end=" ", flush=True)
            #     try:
            #         write_remote_config_base64_sudo(c,  "/etc/cube-default/configfile_monit.yaml", modified_result, ssh_password, "root", "root", "644")
            #         print(f"✅", end="\n", flush=True)
            #     except Exception as e:
            #         print(f"❌", end="\n", flush=True)
            #         print(f"[cyber_check configuration] Exception: {e}")
            #         continue
            #     print(f"Checking cyber_check configuration:", end=" ", flush=True)
            #     try:
            #         result = read_remote_config_sudo(c, "/etc/cube-default/configfile_monit.yaml", ssh_password)
            #         print(f"✅", end="\n", flush=True)
            #     except Exception as e:
            #         print(f"❌", end="\n", flush=True)
            #         print(f"[cyber_check configuration] Exception: {e}")
            #         continue
            #     try:
            #         status = find_yaml_value(result, "cubeProcess.cyber_check")
            #         if status == False:
            #             print(f"✅", end="\n", flush=True)
            #         else:
            #             print(f"❌", end="\n", flush=True)
            #     except Exception as e:
            #         print(f"❌", end="\n", flush=True)
            #         print(f"[Modified cyber_check configuration verification] Exception: {e}")
            #         continue
            # elif response in ['n']:
            #     print(f"Not applying configuration...")
            # else:
            #     print(f"Not applying configuration...")
            #     continue


            # print(f"Firewall check:", end="\n", flush=True)
            # modified_result = ""
            # try:
            #     result = read_remote_config_sudo(c, "/etc/iptables/iptables-cube.rules", ssh_password)
            # except Exception as e:
            #     print(f"[Firewall reading] Exception: {e}")
            #     continue
            # try:
            #     modified_result = ensure_iptables_port_rule(result, 8080, 443)
            # except Exception as e:
            #     print(f"[Firewall changes] Exception: {e}")
            #     continue

            # response = input(f"Apply the change on {hostname.strip()}? (y)es or (n)o, anything else to cancel - ").lower()
            # if response in ['y']:
            #     try:
            #         write_remote_config_base64_sudo(c, "/etc/iptables/iptables-cube.rules", modified_result, ssh_password, "root", "root", 600)
            #     except Exception as e:
            #         print(f"[Firewall configuration] Exception: {e}")
            #         continue
            # elif response in ['n']:
            #     print(f"Not applying configuration...")
            # else:
            #     print(f"Not applying configuration...")
            #     continue

            # print(f"Restarting Cyber Check:", end=" ", flush=True)
            # try:
            #     execute_sudo_command(c, "mount -o remount,ro /", ssh_password)
            #     execute_sudo_command(c, "systemctl start cube-monit.service", ssh_password)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Restarting Cyber Check] Exception: {e}")
            #     continue
            
            # try:
            #     execute_sudo_command(c, "systemctl restart iptables", ssh_password)
            #     print(f"✅", end="\n", flush=True)
            # except Exception as e:
            #     print(f"❌", end="\n", flush=True)
            #     print(f"[Restart iptables] Exception: {e}")
            #     continue

if __name__ == "__main__":
    main()