#!/usr/bin/env python
# -*- coding: utf-8 -*-

# from django.db import connection

from deployer.node import Node, map_roles
from deployer.utils import esc1

from app.deploy.service import *
from app.deploy.django import *
import app.deploy.tasks as tasks

import os.path

from app import settings


class ZuykovWebSystem(Node):

    """
    The base definition of our web system.

    roles: web, engine, database
    """

    @map_roles(host='web')
    class Application(DjangoDeployment):
        def configure_base(self):
            self._configure_instance(tasks.common_configure)
            self._configure_instance(tasks.web_configure)

        def restart(self):
            self._configure_instance(tasks.reload_nginx + tasks.reload_uwsgi)

        def update(self):
            self.checkout()
            self.pull()

        def collect_static(self):
            self.run_management_command('collectstatic --noinput')

        def checkout(self, commit="."):
            with self.hosts.cd(settings.PROJECT_DIR, expand=True):
                self.hosts.run("git checkout '%s'" % esc1(commit))

        def pull(self):
            with self.hosts.cd(settings.PROJECT_DIR, expand=True):
                self.hosts.run('git pull')


    def create(self):
        # Если созданы — удалить
        # TODO: Предварительно спросить
        self.Frontend.create()

        self.Engine.create()

    def deploy(self):
        self.Application.update()

        self.Application.python_packages_install()

        self.Application.collect_static()

        self.Application.restart()

    def update(self):
        self.Application.update()
        self.Application.collect_static()
        self.Application.restart()