from configparser import RawConfigParser
import os

import redis


cwd = os.getcwd()
config = RawConfigParser()
config.read(
    filenames=os.path.join(
        cwd,
        'config.ini',
    ),
)


class Main:
    host = config.get(
        section='Main',
        option='host',
        fallback='localhost',
    )
    port = config.getint(
        section='Main',
        option='port',
    )
    title = config.get(
        section='Main',
        option='title',
        fallback='CIT IS Bot',
    )
    cwd = config.get(
        section='Main',
        option='cwd',
        fallback=os.getcwd(),
    )


class Postgres:
    host = config.get(
        section='Postgres',
        option='host',
        fallback='localhost',
    )
    port = config.getint(
        section='Postgres',
        option='port',
        fallback=5432,
    )
    user = config.get(
        section='Postgres',
        option='user',
    )
    password = config.get(
        section='Postgres',
        option='password',
    )
    dbname = config.get(
        section='Postgres',
        option='dbname',
    )


class Redis:
    host = config.get(
        section='Redis',
        option='host',
        fallback='localhost',
    )
    port = config.getint(
        section='Redis',
        option='port',
        fallback=6379,
    )
    db = config.get(
        section='Redis',
        option='db',
    )
    password = config.get(
        section='Redis',
        option='password',
        fallback=None,
    )

    @classmethod
    def get(
            cls,
            key: str,
    ):
        with redis.Redis(
                host=cls.host,
                port=cls.port,
                db=cls.db,
                password=cls.password,
                decode_responses=True,
        ) as connection:
            return connection.get(
                name=key,
            )

    @classmethod
    def set(
            cls,
            key: str,
            value,
    ):
        with redis.Redis(
                host=cls.host,
                port=cls.port,
                db=cls.db,
                password=cls.password,
                decode_responses=True,
        ) as connection:
            connection.set(
                name=key,
                value=value,
            )


class Telegram:
    token = config.get(
        section='Telegram',
        option='token',
    )