"""Application configuration via environment variables."""

from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    """Application settings loaded from environment variables."""

    database_url: str = ""
    db_host: str = "localhost"
    db_port: int = 3306
    db_user: str = "root"
    db_password: str = "root"
    db_name: str = "360_house_tour"

    @property
    def effective_database_url(self) -> str:
        if self.database_url:
            return self.database_url
        return (
            f"mysql+pymysql://{self.db_user}:{self.db_password}"
            f"@{self.db_host}:{self.db_port}/{self.db_name}"
            f"?charset=utf8mb4"
        )

    redis_host: str = "localhost"
    redis_port: int = 6379
    redis_db: int = 0
    redis_password: str = ""

    @property
    def redis_url(self) -> str:
        if self.redis_password:
            return f"redis://:{self.redis_password}@{self.redis_host}:{self.redis_port}/{self.redis_db}"
        return f"redis://{self.redis_host}:{self.redis_port}/{self.redis_db}"

    jwt_secret: str = "change-me-in-production"
    jwt_algorithm: str = "HS256"
    jwt_expire_minutes: int = 1440

    s3_endpoint_url: str = ""
    s3_access_key_id: str = ""
    s3_secret_access_key: str = ""
    s3_bucket_name: str = "360-house-tour"
    s3_region: str = "auto"
    s3_public_url_base: str = ""

    celery_broker_url: str = ""
    celery_result_backend: str = ""

    @property
    def effective_celery_broker_url(self) -> str:
        return self.celery_broker_url or self.redis_url

    upload_dir: str = "./uploads"
    app_name: str = "360 House Tour"
    debug: bool = True
    cors_allow_origins: list[str] = ["*"]

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


settings = Settings()