from sqlalchemy import Column, String, ForeignKey, Boolean, Integer
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from app.domain.models.base import BaseModel

class Music(BaseModel):
    '''음악 모델'''
    __tablename__ = "musics"
    
    # 외래키
    order_id = Column(UUID(as_uuid=True), ForeignKey('orders.id'), nullable=False)
    
    index = Column(Integer, nullable=False) # 번호
    is_selected = Column(Boolean, nullable=False) # 선택 여부

    title = Column(String, nullable=False) # 제목
    url = Column(String, nullable=False) # 주소
    duration = Column(Integer, nullable=False) # 재생 시간
    lyrics = Column(String, nullable=False) # 가사

    # 관계 설정
    # ( musics --- N:1 --- orders )
    order = relationship("Order", back_populates="musics")
    
    # ( musics --- 1:1 --- videos )
    video = relationship("Video", back_populates="music", uselist=False, cascade="all, delete-orphan")