"""
應用程式設定
"""
from functools import lru_cache
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """應用程式設定"""

    # App
    APP_NAME: str = "KPI Management System"
    DEBUG: bool = True

    # Database (MySQL)
    DB_HOST: str = "mysql.theaken.com"
    DB_PORT: int = 33306
    DB_NAME: str = "db_A102"
    DB_USER: str = "A102"
    DB_PASSWORD: str = "Bb123456"

    @property
    def DATABASE_URL(self) -> str:
        return f"mysql+pymysql://{self.DB_USER}:{self.DB_PASSWORD}@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"

    # JWT
    SECRET_KEY: str = "your-super-secret-key-change-in-production"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7

    # Ollama LLM API
    OLLAMA_API_URL: str = "https://ollama_pjapi.theaken.com"
    OLLAMA_DEFAULT_MODEL: str = "qwen2.5:3b"

    # Gitea
    GITEA_URL: str = "https://gitea.theaken.com"
    GITEA_USER: str = "donald"
    GITEA_TOKEN: str = "9e0a888d1a25bde9cf2ad5dff2bb7ee6d68d6ff0"

    class Config:
        env_file = ".env"
        case_sensitive = True


@lru_cache
def get_settings() -> Settings:
    """取得設定單例"""
    return Settings()


settings = get_settings()