from pydantic_settings import BaseSettings
from functools import lru_cache


class Settings(BaseSettings):
    database_url: str = "postgresql+asyncpg://kirastream:kirastream_secret_2024@localhost/kirastream"
    redis_url: str = "redis://localhost:6379/0"
    secret_key: str = "kirastream-super-secret-change-in-production-2024"
    algorithm: str = "HS256"
    access_token_expire_minutes: int = 60 * 24 * 7  # 7 days

    admin_username: str = "admin"
    admin_password: str = "kiraadmin"

    stream_chunk_size: int = 65536  # 64 KB chunks
    stream_queue_maxsize: int = 512
    stream_connect_timeout: int = 10
    stream_read_timeout: int = 30

    epg_refresh_hours: int = 12
    m3u_cache_minutes: int = 30

    log_level: str = "INFO"

    class Config:
        env_file = "/opt/kirastream/.env"


@lru_cache
def get_settings() -> Settings:
    return Settings()


settings = get_settings()