from mongoengine import *
from werkzeug.security import generate_password_hash
from string import ascii_letters, digits
from random import choices

from models.EmbededDocuments import ApiKey
from restapi import Methods


class Union(Document):
    meta = {
        'index_background': True,
        'index_cls': False,
        'auto_create_index': True,
        'can_query': True,
        'with_sub_docs': True,
        'methods': [Methods.Get, Methods.List, Methods.Create],
        "indexes": [
            ('name'),
            ("-name"),
        ]
    }
    name = StringField(required=True)
    logo = ImageField(thumbnail_size=(120, 120))
    description = StringField()
    legal_registration_number = StringField(required=True)
    headquarter = StringField()
    email = StringField(required=True)
    api_key = ListField(EmbeddedDocumentField(ApiKey))
    deleted = BooleanField(default=False)

    def __unicode__(self):
        return self.name

    def save(self, *args, **kwargs):
        super(Union, self).save(*args, **kwargs)
        from .Group import Group
        from .User import User
        group = Group()
        group.union = self
        group.name = 'Root'
        group.rights = ["*::*::{}/*".format(self.id)]
        group.save()
        user = User()
        user.gov_id = 'root'
        user.username = "{}@root".format(self.legal_registration_number)
        user.user_group = group
        user.union = self
        from flask import current_app
        password = ''.join(choices(ascii_letters + digits, k=10))
        current_app.logger.info("New union password : {}".format(password))
        user.password = generate_password_hash(password)
        # TODO: send password via mail or sms or nothing
        user.save()