#!/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='database')
    # class Database(<):
    #     def create(self):
    #         host = settings.DATABASES['default']

    #         # Создаём группу безопасности
    #         security_group = self._ec2_mysql_security_group()
    #         # Создаём группу параметров

    #         # Запускаем инстанс
    #         self._rds_create_instance(
    #             'database',
    #             host['NAME'],
    #             host['USER'],
    #             host['PASSWORD'])


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

        def hello(self):
            self.hosts.run('echo hello world')

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

        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):
        self.Application.hello()
        # Если созданы — удалить
        # # Предварительно спросить
        # self.Frontend.create()

        # self.Engine.create()

  

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

        # self.Application.python_packages_install()

        # self.update_hosts()

        # self.Engine.migrate()

        # self.Frontend.restart()

        # self.Engine.restart()