#!/usr/bin/python3

import os
import sys
import logging
from typing import Callable
from time import sleep

import yaml
import urllib3
from dotenv import load_dotenv
from proxmoxer import ProxmoxAPI

from functions import clone_template, delete_vm, get_vm_ip

urllib3.disable_warnings()

FORMAT = "%(asctime)s %(name)s %(levelname)s %(message)s"
logging.basicConfig(format=FORMAT)
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)


load_dotenv()
PROXMOX_HOST: str | None = os.environ.get('PROXMOX_HOST')
PROXMOX_USER: str | None = os.environ.get('PROXMOX_USER')
PROXMOX_USER_FULL: str | None = os.environ.get('PROXMOX_USER_FULL')
PROXMOX_PASSWORD: str | None = os.environ.get('PROXMOX_PASSWORD')


def wait_status(funcs: list[Callable[[], dict[str, str]]], status: str, sleep_time: float = 60) -> None:
    statuses = [False] * len(funcs)
    while not all(statuses):
        logger.debug(statuses)
        sleep(sleep_time)
        for i in range(len(funcs)):
            statuses[i] = funcs[i]()['status'] == status

def main() -> None:
    assert PROXMOX_HOST is not None
    assert PROXMOX_USER is not None
    assert PROXMOX_USER_FULL is not None
    assert PROXMOX_PASSWORD is not None

    proxmox = ProxmoxAPI(
        PROXMOX_HOST, user=PROXMOX_USER_FULL, password=PROXMOX_PASSWORD, verify_ssl=False
    )

    nodes: list[dict[str, str | int]] = proxmox.nodes.get() # pyright: ignore
    nodes = list(filter(lambda node: node['status'] == 'online', nodes))
    # node = min(nodes, key=lambda node: node['disk'])['node']
    node: str = 'pve05'

    assert len(sys.argv) >= 2
    branch: str = sys.argv[1]


    match branch:
        case "sisyphus":
            template_id: int = 374
        case "p10":
            template_id: int = 520
        case "c10f2":
            template_id: int = 374
        case _:
            assert False

    prefix: str = PROXMOX_USER + '-test-k8s'
    vm_names: dict[str, str] = {
        'master': f'{prefix}-master',
        'worker1': f'{prefix}-node1',
        'worker2': f'{prefix}-node2',
    }
    # vm_ids = {
        # 'master': 500,
        # 'worker1': 501,
        # 'worker2': 502,
    # }
    vm_ids: dict[str, int] = {
        'master': 510,
        'worker1': 511,
        'worker2': 512,
    }

    delete: str = os.environ['DELETE_VMS']
    assert delete in ('0', '1')

    if delete != '0':
        logger.info('Stopping VMs %s...', vm_ids)
        proxmox.nodes(node).qemu(vm_ids['master']).status.stop.post()
        proxmox.nodes(node).qemu(vm_ids['worker1']).status.stop.post()
        proxmox.nodes(node).qemu(vm_ids['worker2']).status.stop.post()
        sleep(15)
        logger.info('Deleting VMs %s...', vm_ids)
        delete_vm(proxmox, node, vm_ids['master'])
        delete_vm(proxmox, node, vm_ids['worker1'])
        delete_vm(proxmox, node, vm_ids['worker2'])
        sleep(15)

    vm_id_master, upid_master = clone_template(
        proxmox,
        node,
        template_id,
        newid=vm_ids['master'],
        name=vm_names['master'],
    )
    assert vm_id_master == vm_ids['master']

    vm_id_worker1, upid_worker1 = clone_template(
        proxmox,
        node,
        template_id,
        newid=vm_ids['worker1'],
        name=vm_names['worker1'],
    )
    assert vm_id_worker1 == vm_ids['worker1']

    vm_id_worker2, upid_worker2 = clone_template(
        proxmox,
        node,
        template_id,
        newid=vm_ids['worker2'],
        name=vm_names['worker2'],
    )
    assert vm_id_worker2 == vm_ids['worker2']

    logger.info('Waiting for cloning to complete...')
    wait_status(
        [
            proxmox.nodes(node).tasks(upid_master).status.get,
            proxmox.nodes(node).tasks(upid_worker1).status.get,
            proxmox.nodes(node).tasks(upid_worker2).status.get,
        ], # pyright: ignore
        'stopped',
        sleep_time=40,
    )

    logger.info('Cloning completed!')

    logger.info('Starting VMs...')
    proxmox.nodes(node).qemu(vm_ids['master']).status.start.post()
    proxmox.nodes(node).qemu(vm_ids['worker1']).status.start.post()
    proxmox.nodes(node).qemu(vm_ids['worker2']).status.start.post()
    wait_status(
        [
            proxmox.nodes(node).qemu(vm_ids['master']).status.current.get,
            proxmox.nodes(node).qemu(vm_ids['worker1']).status.current.get,
            proxmox.nodes(node).qemu(vm_ids['worker2']).status.current.get,
        ], # pyright: ignore
        'running',
        sleep_time=10,
    )

    sleep(40)
    logger.info('VMs are running!')

    vm_ip_master: str = get_vm_ip(proxmox, node, vm_ids['master'])
    vm_ip_worker1: str = get_vm_ip(proxmox, node, vm_ids['worker1'])
    vm_ip_worker2: str = get_vm_ip(proxmox, node, vm_ids['worker2'])
    proxmox.logout()

    tmp_path: str = './tmp'
    if not os.path.exists(tmp_path):
        os.makedirs(tmp_path)

    with open(f'{tmp_path}/vm_ids' ,'w') as ofile:
        vm_ids_file = f'{vm_ids["master"]}\t{vm_names["master"]}\n'
        vm_ids_file += f'{vm_ids["worker1"]}\t{vm_names["worker1"]}\n'
        vm_ids_file += f'{vm_ids["worker2"]}\t{vm_names["worker2"]}\n'
        logger.info(vm_ids_file)
        ofile.write(vm_ids_file)

    with open(f'{tmp_path}/hosts' ,'w') as ofile:
        hosts = f'{vm_ip_master}\t{vm_names["master"]}\n'
        hosts += f'{vm_ip_worker1}\t{vm_names["worker1"]}\n'
        hosts += f'{vm_ip_worker2}\t{vm_names["worker2"]}\n'
        logger.info(hosts)
        ofile.write(hosts)

    inventory = {
        'workers': {
            'hosts': {
                'worker1': {
                    'ansible_host': vm_ip_worker1,
                },
                'worker2': {
                    'ansible_host': vm_ip_worker2,
                },
            },
        },
        'all_vms': {
            'hosts': {
                'master': {
                    'ansible_host': vm_ip_master,
                },
            },
            'children': {
                'workers': None
            },
            'vars': {
                'ansible_user': 'root'
            }
        },
    }

    with open(f'{tmp_path}/generated_inventory.yaml', 'w') as ofile:
        yaml.dump(inventory, ofile)

if __name__ == '__main__':
    main()