from pydantic_settings import BaseSettings
from typing import List
import os


class Settings(BaseSettings):
    # Application
    APP_NAME: str = "Swansea Airport Stakeholders Alliance"
    APP_VERSION: str = "1.0.0"
    DEBUG: bool = True
    ENVIRONMENT: str = "development"
    
    # API
    API_V1_PREFIX: str = "/api/v1"
    SECRET_KEY: str
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
    
    # Database
    DATABASE_HOST: str
    DATABASE_PORT: int = 3306
    DATABASE_USER: str
    DATABASE_PASSWORD: str
    DATABASE_NAME: str
    
    @property
    def DATABASE_URL(self) -> str:
        return f"mysql+pymysql://{self.DATABASE_USER}:{self.DATABASE_PASSWORD}@{self.DATABASE_HOST}:{self.DATABASE_PORT}/{self.DATABASE_NAME}"
    
    # Square Payment
    SQUARE_ACCESS_TOKEN: str
    SQUARE_ENVIRONMENT: str = "sandbox"
    SQUARE_LOCATION_ID: str
    
    # Email
    SMTP2GO_API_KEY: str
    SMTP2GO_API_URL: str = "https://api.smtp2go.com/v3/email/send"
    EMAIL_FROM: str
    EMAIL_FROM_NAME: str
    FRONTEND_URL: str = "http://localhost:3500"
    
    # CORS
    BACKEND_CORS_ORIGINS: List[str] = ["http://localhost:3000", "http://localhost:8080"]
    
    # File Storage
    UPLOAD_DIR: str = "/app/uploads"
    MAX_UPLOAD_SIZE: int = 10485760  # 10MB
    
    class Config:
        env_file = ".env"
        case_sensitive = True


settings = Settings()