#!/usr/bin/env python3
from __future__ import annotations
import subprocess as sub
import re

P_OPTIONS = """
Options:
0) Exit
1) Maak/Update klantomgeving(en)
2) Vernietig klantomgeving(en)
3) Recover klantomgeving(en)
4) List klantomgeving(en)

h) Help
"""

RE_TEXT = re.compile(r"^\w+$")
RE_NUM = re.compile(r"^\d+$")


def _take_input(prompt: str, pattern: re.Pattern) -> str:
    while True:
        i = input(prompt)
        if pattern.match(i):
            return i


def main() -> int:
    while True:
        print(P_OPTIONS)
        c = input("Input: ")
        if c == "h":
            continue

        if c == "0":
            break

        if c == "1":
            customer_name = _take_input("Customer name (example=opc): ",
                                        RE_TEXT)
            env_name = _take_input("Environment name (example=prod): ",
                                   RE_TEXT)
            amnt_nginx_web = _take_input(
                "Number of nginx webservers (example=1): ", RE_NUM)
            amnt_nginx_lb = _take_input(
                "Number of nginx loadbalancers (example=1): ", RE_NUM)
            amnt_psql = _take_input(
                "Number of postgres instances (example=1): ", RE_NUM)
            ip_format = _take_input(
                "Format of ip (example=192.168.56.{}, `{}` will be replaced with the correct octet at runtime): ",
                re.compile(r".+"))
            ip_int = _take_input(
                "Number to start formatting the IP from (example=10): ",
                RE_NUM)

            sub.call([
                "python3", "cli.py", "create", customer_name, env_name,
                "--num-nginx-web", amnt_nginx_web, "--num-postgres", amnt_psql,
                "--num-nginx-lb", amnt_nginx_lb, "--ip-format", ip_format,
                "--ip-int", ip_int
            ])

        if c == "2":
            customer_name = _take_input("Customer name (example=opc): ",
                                        RE_TEXT)
            env_name = _take_input("Environment name (example=prod): ",
                                   RE_TEXT)
            sub.call(["python3", "cli.py", "delete", customer_name, env_name])

        if c == "3":
            customer_name = _take_input("Customer name (example=opc): ",
                                        RE_TEXT)
            env_name = _take_input("Environment name (example=prod): ",
                                   RE_TEXT)
            sub.call(["python3", "cli.py", "recover", customer_name, env_name])

        if c == "4":
            customer_name = _take_input("Customer name (example=opc): ",
                                        RE_TEXT)
            sub.call(["python3", "cli.py", "list", customer_name])

    return 0


if __name__ == "__main__":
    raise SystemExit(main())