#!/usr/bin/env python3
import os

if __name__ == '__main__':

    service_name = input("Enter the service name (e.g. cloud): ").strip().lower()
    url = input("Enter the URL (e.g. cloud.stuve.uni-ulm.de): ").strip().lower()
    forward_url = input("Enter the forward URL with port (e.g. http://faline.stuve.uni-ulm.de:80): ").strip().lower()

    config = f'''
http:
  routers:
    {service_name}_router_https:
      rule: "Host(`{url}`)"
      service: {service_name}
      entryPoints:
        - "websecure"
      tls:
        certResolver: "http_resolver"

    {service_name}_router_http:
      rule: "Host(`helfer.{url}`)"
      service: {service_name}
      entryPoints:
        - "web"
      middlewares:
        - "http_to_https_redirect"

  services:
    {service_name}:
      loadBalancer:
        servers:
          - url: "{forward_url}"
    '''

    # check if the file already exists
    if os.path.exists(f'{service_name}.yml'):
        print(f'Configuration for {service_name} already exists.')
        overwrite = input(f'Overwrite {service_name}.yml? (y/n): ').strip().lower() == 'y'

        if not overwrite:
            exit(0)

    # write the configuration to a file
    with open(f'{service_name}.yml', 'w') as f:
        f.write(config)
        print(f'Configuration for {service_name} written to {service_name}.yml')