#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import json
import os

from lazagne.config.module_info import ModuleInfo
from lazagne.config import homes


class Docker(ModuleInfo):
    def __init__(self):
        ModuleInfo.__init__(self, 'docker', 'sysadmin')

    def get_paths(self):
        return homes.get(file=os.path.join('.docker', 'config.json'))

    def get_creds(self, path):
        try:
            with open(path) as config:
                config = json.load(config)
                if 'auths' not in config:
                    return

                for hub, auth in config['auths'].iteritems():
                    user, password = auth['auth'].decode('base64').split(':', 1)
                    yield hub, user, password
        except Exception:
            return

    def run(self):
        all_passwords = []
        for path in self.get_paths():
            for hub, user, password in self.get_creds(path):
                all_passwords.append(
                    {
                        'User': user,
                        'Password': password,
                        'Hub': hub,
                    }
                )

        return all_passwords
