from pydantic_settings import BaseSettings
from typing import ClassVar


class Settings(BaseSettings):
    API_V1_STR: str = "/api/v1"
    PROJECT_NAME: str = "Admin Dashboard"
    VERSION: str = "1.0.0"

    # Service Authentication
    SERVICE_TOKEN: str
    POS_API_URL: str
    POS_API_KEY: str
    POS_API_VERSION: str

    # PostgreSQL Database settings
    DATABASE_URL: str

    # JWT Settings
    SECRET_KEY: str = "your-secret-key-here"
    ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30

    # Redis settings
    REDIS_HOST: str
    REDIS_PORT: int
    REDIS_PASSWORD: str
    REDIS_USERNAME: str = "default"
    
    @property
    def REDIS_URL(self) -> str:
        if self.REDIS_PASSWORD:
            return f"redis://{self.REDIS_USERNAME}:{self.REDIS_PASSWORD}@{self.REDIS_HOST}:{self.REDIS_PORT}"
        return f"redis://{self.REDIS_HOST}:{self.REDIS_PORT}"

    # Email settings
    MAIL_USERNAME: str = "yungdml31@gmail.com"
    MAIL_PASSWORD: str = ""
    MAIL_FROM: str = "admin@angelo.com"
    MAIL_PORT: int = 587
    MAIL_SERVER: str = "smtp.gmail.com"

    # Frontend URL
    FRONTEND_URL: str = "http://localhost:3000"

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


settings = Settings()