from pydantic_settings import BaseSettings
from functools import lru_cache
from typing import Optional


class Settings(BaseSettings):
    telegram_bot_token: str = ""
    telegram_proxy_url: Optional[str] = None
    telegram_proxy_type: str = "socks5"
    
    allowed_usernames: str = ""
    bot_name: str = "Валера"
    
    default_tool: str = "opencode"
    qwen_command: str = "qwen-code"
    opencode_command: str = "opencode"
    tool_timeout: int = 120
    
    memory_messages_count: int = 10
    chroma_persist_dir: str = "./chroma_db"
    
    scheduler_enabled: bool = True
    idea_interval_hours: int = 4
    
    stt_enabled: bool = True
    stt_model: str = "vosk"
    
    gigachat_credentials: Optional[str] = None
    yandex_api_key: Optional[str] = None
    yandex_folder_id: Optional[str] = None
    
    database_url: str = "sqlite+aiosqlite:///./valera.db"
    
    class Config:
        env_file = ".env"
        extra = "allow"


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