"""Application configuration loaded from environment variables."""

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Application settings loaded from .env file."""

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False,
    )

    # Application settings
    APP_NAME: str = "Brief Bench API"
    DEBUG: bool = False

    # JWT Authentication
    JWT_SECRET_KEY: str
    JWT_ALGORITHM: str = "HS256"
    JWT_EXPIRE_MINUTES: int = 43200  # 30 days

    # DB API Service (external)
    DB_API_URL: str
    DB_API_TIMEOUT: int = 30

    # RAG Backend - IFT Environment
    IFT_RAG_HOST: str
    IFT_RAG_PORT: int
    IFT_RAG_ENDPOINT: str
    IFT_RAG_CERT_CA: str = ""
    IFT_RAG_CERT_KEY: str = ""
    IFT_RAG_CERT_CERT: str = ""

    # RAG Backend - PSI Environment
    PSI_RAG_HOST: str
    PSI_RAG_PORT: int
    PSI_RAG_ENDPOINT: str
    PSI_RAG_CERT_CA: str = ""
    PSI_RAG_CERT_KEY: str = ""
    PSI_RAG_CERT_CERT: str = ""

    # RAG Backend - PROD Environment
    PROD_RAG_HOST: str
    PROD_RAG_PORT: int
    PROD_RAG_ENDPOINT: str
    PROD_RAG_CERT_CA: str = ""
    PROD_RAG_CERT_KEY: str = ""
    PROD_RAG_CERT_CERT: str = ""

    # Request Timeouts
    RAG_REQUEST_TIMEOUT: int = 1800  # 30 minutes in seconds


# Global settings instance
settings = Settings()