import logging
import urllib3
from typing import Callable, List
from time import sleep
from pathlib import Path

import yaml
from proxmoxer import ProxmoxAPI

from functions import clone_template, 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)


PROXMOX_HOST = 'pve.office.basealt.ru'
PROXMOX_USER = 'stepchenkoas'
PROXMOX_USER_FULL = PROXMOX_USER + '@BaseALT'
PROXMOX_PASSWORD = Path('pve_secret').read_text().strip()


def wait_status(funcs: List[Callable], status: str):
    statuses = [False] * len(funcs)
    while not all(statuses):
        logger.debug(statuses)
        sleep(5)
        for i in range(len(funcs)):
            statuses[i] = funcs[i]()['status'] == status

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

    nodes = proxmox.nodes.get()
    nodes = list(filter(lambda node: node['status'] == 'online', nodes))
    node = min(nodes, key=lambda node: node['disk'])['node']
    template_id = 374
    prefix = PROXMOX_USER + '-test-k8s'
    vm_names = {
        'master': f'{prefix}-master',
        'worker1': f'{prefix}-node1',
        'worker2': f'{prefix}-node2',
    }
    vm_ids = {
        'master': 500,
        'worker1': 501,
        'worker2': 502,
    }

    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 clone tasks 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,
        ],
        'stopped'
    )

    logger.info('Tasks 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,
        ],
        'running'
    )

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

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

    with open('run/vm_ids' ,'w') as ofile:
        vm_ids = f'{vm_id_master}\t{vm_names["master"]}\n'
        vm_ids += f'{vm_id_worker1}\t{vm_names["worker1"]}\n'
        vm_ids += f'{vm_id_worker2}\t{vm_names["worker2"]}\n'
        logger.info(vm_ids)
        ofile.write(vm_ids)

    with open('run/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,
                    'ansible_user': 'root',
                },
                'worker2': {
                    'ansible_host': vm_ip_worker2,
                    'ansible_user': 'root',
                },
            },
        },
        'all_vms': {
            'hosts': {
                'master': {
                    'ansible_host': vm_ip_master,
                    'ansible_user': 'root',
                },
            },
            'children': {
                'workers'
            },
        },
    }

    with open('run/generated_inventory.yaml', 'w') as ofile:
        yaml.dump(inventory, ofile)

if __name__ == '__main__':
    main()