import os


class Config:
    # bot setup
    BOT_TOKEN: str = os.getenv("BOT_TOKEN")
    OWNER_ID: int = int(os.getenv("OWNER_ID", 1))
    LOG_LEVEL: str = os.getenv("LOG_LEVEL", "INFO")

    # bot behaviour
    DROP_PENDING: bool = bool(int(os.getenv("DROP_PENDING", True)))
    TIMEOUT: int = int(os.getenv("TIMEOUT", 20))
    POLLING_TIMEOUT: int = int(os.getenv("POLLING_TIMEOUT", 20))
    NUM_THREADS: int = int(os.getenv("NUM_THREADS", 2))
    PARSE_MODE: str = os.getenv("PARSE_MODE", "html")

    # i18n
    I18N_PATH: str = os.getenv("I18N_PATH", "i18n.yaml")
    I18N_LANG: str = os.getenv("I18N_LANG", "en")
    I18N_FALLBACK_LANG: str = os.getenv("I18N_FALLBACK_LANG", "en")

    # state storage
    SS_TYPE: str = os.getenv("SS_TYPE", "memory").lower()
    SS_REDIS_HOST: str = os.getenv("SS_REDIS_HOST")
    SS_REDIS_PORT: int = int(os.getenv("SS_REDIS_PORT", 6379))
    SS_REDIS_DB: int = int(os.getenv("SS_REDIS_DB", 0))
    SS_REDIS_PASS: str = os.getenv("SS_REDIS_PASS")

    def __init__(self):
        if not self.BOT_TOKEN:
            raise RuntimeError("Missing BOT_TOKEN")