import uuid
from datetime import datetime, timezone
from sqlalchemy import Column, DateTime, Boolean, func
from sqlalchemy.dialects.postgresql import UUID
from app.core.database import Base

class BaseModel(Base):
    '''기본 모델 클래스'''
    __abstract__ = True
    
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, unique=True, nullable=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
    deleted = Column(Boolean, default=False, nullable=False)

    def soft_delete(self):
        '''소프트 삭제'''
        self.deleted = True
        self.updated_at = datetime.now(timezone.utc)
    
    def to_dict(self) -> dict:
        '''모델을 딕셔너리로 변환'''
        return {
            column.name: getattr(self, column.name)
            for column in self.__table__.columns
        }