#!/bin/python3
############################################################
# Python script to setup docker containers on debian machines.
#
#


import subprocess
from string import Template
from typing import Optional

# Constants
dep_install = ["php-gd", "php8.2-fpm", "nginx"]
lantern_dep = ["python3-pandas", "python3-requests", "python3-socks", "python3-dotenv", "python3-pip"]
shell = "python3 -c 'import pty; pty.spawn(\"/bin/sh\")'"
nginx_conf = Template("""server {
        listen 4443;
        listen [::]:4443;
        server_name lantern.$onion_domain;

                root /srv/darknet-lantern/www/;
                location ~ \\.php$ {
                    include snippets/fastcgi-php.conf;
                    fastcgi_pass unix:/var/run/php/php8.2-fpm.sock;
                }
                index index.php;
}""")

tor_conf = """
HiddenServiceDir /var/lib/tor/lantern/
HiddenServicePort 80 127.0.0.1:4443
SocksPort 127.0.0.1:9050
"""

def update_and_install(to_be_installed: Optional[list]) -> None:
    """ APT Update and Install

    This function handles all updates and installs needed in this script.
    Args:

    to_be_installed -> a list of string(packages) that will be installed

    return -> None
    """
    packages = to_be_installed
    subprocess.run(["torsocks","apt-get","update"])
    if packages is None: 
        return
    else:
        print(f"Installing {len(packages)} package(s)")
        for package in packages:
            subprocess.run(["torsocks","apt-get", "install", package])

def main():

    # Install dependencies
    update_and_install(to_be_installed=dep_install)
    
    # Change tor conf file
    subprocess.run(["rm", "/etc/tor/torrc"])
    subprocess.run(["cp","torrc", "/etc/tor/torrc"])
    subprocess.run(["service", "tor", "restart"])
    domain = subprocess.run(["cat", "/var/lib/tor/lantern/hostname"], capture=True)
    nginx_conf.safe_substitute(onion_domain=domain)
    subprocess.run(["service", "tor", "restart"])
    
    subprocess(["ln","-s","/etc/nginx/sites-available/lantern.conf","/etc/nginx/sites-enabled/"])
    subprocess(["nginx", "-s", "reload"])

    update_and_install(to_be_installed=lantern_dep)

    print(f"Here i {domain}")
    

main()
print(shell)
print()