from pydantic_settings import BaseSettings
from datetime import timedelta

class Settings(BaseSettings):
    # =========================
    # ENVIRONMENT
    # =========================
    ENV: str

    # =========================
    # DATABASE
    # =========================
    DATABASE_HOST: str
    DATABASE_PORT: int
    DATABASE_USER: str
    DATABASE_PASSWORD: str
    DATABASE_NAME: str

    # =========================
    # FASTAPI
    # =========================
    DEBUG: bool = True
    APP_TITLE: str = "MokPyo API"
    APP_VERSION: str = "1.0.0"
    APP_DESCRIPTION: str = "MokPyo"
    APP_DOMAIN: str = "localhost"
    STATIC_DIR: str = "app/static"

    # =========================
    # SERVER
    # =========================
    HOST: str = "0.0.0.0"
    PORT: int = 8000
    UVICORN_WORKERS: int = 4

    # =========================
    # SECURITY / AUTH
    # =========================
    SECRET_KEY: str
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    ALGORITHM: str = "HS256"

    # =========================
    # EMAIL (optionnel)
    # =========================
    SMTP_HOST: str = ""
    SMTP_PORT: int = 587
    SMTP_USER: str = ""
    SMTP_PASSWORD: str = ""
    EMAIL_FROM: str = ""

    # =========================
    # LOGGING
    # =========================
    LOG_LEVEL: str = "INFO"
    LOG_FILE: str = "logs/app.log"

    # =========================
    # UPLOADS / FILES
    # =========================
    MAX_UPLOAD_SIZE: int = 10_485_760  # 10 MB

    # =========================
    # ORJSON
    # =========================
    ORJSON_STRICT: bool = True

    @property
    def database_url(self) -> str:
        return f"mysql+<driver>://{self.DATABASE_USER}:{self.DATABASE_PASSWORD}@{self.DATABASE_HOST}:{self.DATABASE_PORT}/{self.DATABASE_NAME}"

    @property
    def access_token_expire(self) -> timedelta:
        return timedelta(minutes=self.ACCESS_TOKEN_EXPIRE_MINUTES)

    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"

# Instance globale
settings = Settings()