from functools import cached_property

import pymongo

import settings


class Mongo:
    def __init__(self):
        url = f"mongodb://{settings.MONGO_USER}:{settings.MONGO_PASSWORD}@{settings.MONGO_HOST}:27017/"
        self.client = pymongo.MongoClient(url)
        self.database = self.client.get_database("pizda-bot")
        self.chats_collection.create_index([
            ("chat_id", 1)
        ])

    def __getitem__(self, item):
        return self.database.get_collection(item)

    @cached_property
    def chats_collection(self):
        return self["chats"]


mongo = Mongo()