"""Settings configuration"""
from pydantic_settings import BaseSettings
from typing import Optional

class Settings(BaseSettings):
    """Application settings"""
    PROJECT_NAME: str = "Support System"
    VERSION: str = "1.0.0"
    API_V1_STR: str = "/api"
    
    # Security
    SECRET_KEY: str = "your-secret-key-for-jwt"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8  # 8 дней
    
    # Database
    POSTGRES_SERVER: str = "db"
    POSTGRES_USER: str = "postgres"
    POSTGRES_PASSWORD: str = "postgres"
    POSTGRES_DB: str = "support_db"
    DATABASE_URL: Optional[str] = None
    
    # Redis
    REDIS_HOST: str = "redis"
    REDIS_PORT: int = 6379
    REDIS_DB: int = 0
    REDIS_PASSWORD: Optional[str] = None
    
    # Telegram
    TELEGRAM_BOT_TOKEN: Optional[str] = None
    TELEGRAM_CHAT_ID: Optional[str] = None

    @property
    def get_database_url(self) -> str:
        """Get database URL."""
        return f"postgresql://{self.POSTGRES_USER}:{self.POSTGRES_PASSWORD}@{self.POSTGRES_SERVER}/{self.POSTGRES_DB}"

    class Config:
        case_sensitive = True
        env_file = ".env"
        extra = "allow"  # Разрешаем дополнительные поля

settings = Settings()
if not settings.DATABASE_URL:
    settings.DATABASE_URL = settings.get_database_url