import os
from dotenv import load_dotenv
from pydantic import AnyHttpUrl
from pydantic_settings import BaseSettings, SettingsConfigDict
from typing import List, Optional

load_dotenv()

class Settings(BaseSettings):
    PROJECT_NAME: str = "SumaQ Backend"
    API_V1_STR: str = "/api/v1"
    
    # Security
    SECRET_KEY: str = os.getenv("SECRET_KEY", "Bt50MaUvRYJ28UOIberyBlRVQCcKiYzVF2JHOFKjbBQq5xoOpowyxjY1tCOEzYEL")
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8  # 8 days
    
    # Base de Datos
    # DATABASE_URL: Optional[str] = os.getenv("DATABASE_URL")
    DATABASE_URL: Optional[str] = (
        f"postgresql://{os.getenv('DB_USER')}:{os.getenv('DB_PASSWORD')}"
        f"@{os.getenv('DB_HOST')}:{os.getenv('DB_PORT')}/{os.getenv('DB_NAME')}"
    )
    
    # Google API
    GOOGLE_API_KEY: Optional[str] = os.getenv("GOOGLE_API_KEY")
    
    # Email
    SMTP_HOST: Optional[str] = os.getenv("SMTP_HOST")
    SMTP_PORT: Optional[int] = os.getenv("SMTP_PORT")
    SMTP_USER: Optional[str] = os.getenv("SMTP_USER")
    SMTP_PASSWORD: Optional[str] = os.getenv("SMTP_PASSWORD")
    EMAILS_FROM_NAME: str = os.getenv("EMAILS_FROM_NAME", "Sistema SumaQ")
    EMAILS_FROM_EMAIL: Optional[str] = os.getenv("EMAILS_FROM_EMAIL")
    
    # Frontend
    FRONTEND_URL: str = os.getenv("FRONTEND_URL", "http://localhost:4200")
    
    model_config = SettingsConfigDict(
        case_sensitive=True,
        env_file=".env",
        env_file_encoding="utf-8",
        extra="ignore"
    )

settings = Settings()