import secrets
from pathlib import Path

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # API Settings
    API_V1_STR: str = "/api"
    PROJECT_NAME: str = "E-Commerce API"

    # Security
    SECRET_KEY: str = secrets.token_urlsafe(32)
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8  # 8 days
    ALGORITHM: str = "HS256"

    # CORS
    BACKEND_CORS_ORIGINS: list[str] = ["*"]

    # Database
    DB_DIR: Path = Path("/app") / "storage" / "db"
    SQLALCHEMY_DATABASE_URL: str = f"sqlite:///{DB_DIR}/db.sqlite"

    # Storage paths
    STORAGE_DIR: Path = Path("/app") / "storage"
    PRODUCT_IMAGES_DIR: Path = STORAGE_DIR / "product_images"
    USER_IMAGES_DIR: Path = STORAGE_DIR / "user_images"
    LOGS_DIR: Path = STORAGE_DIR / "logs"

    # Payment settings (placeholders for real integration)
    STRIPE_API_KEY: str | None = None
    PAYPAL_CLIENT_ID: str | None = None
    PAYPAL_CLIENT_SECRET: str | None = None

    # Email settings (placeholders for real integration)
    SMTP_TLS: bool = True
    SMTP_PORT: int | None = None
    SMTP_HOST: str | None = None
    SMTP_USER: str | None = None
    SMTP_PASSWORD: str | None = None
    EMAILS_FROM_EMAIL: str | None = None
    EMAILS_FROM_NAME: str | None = None

    # Admin user
    FIRST_SUPERUSER_EMAIL: str = "admin@example.com"
    FIRST_SUPERUSER_PASSWORD: str = "admin"

    # Rate limiting
    RATE_LIMIT_PER_MINUTE: int = 60

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


settings = Settings()

# Create necessary directories
for directory in [
    settings.DB_DIR,
    settings.PRODUCT_IMAGES_DIR,
    settings.USER_IMAGES_DIR,
    settings.LOGS_DIR,
]:
    directory.mkdir(parents=True, exist_ok=True)