"""Sleep database model."""

from typing import TYPE_CHECKING
from sqlalchemy import Column, Integer, DateTime, ForeignKey
from datetime import datetime, UTC

if TYPE_CHECKING:
    from sqlalchemy.orm import DeclarativeBase

    Base = DeclarativeBase
else:
    from baby_monitor.repositories.dependencies.get_database import Base


class Sleep(Base):
    """Sleep log database model."""

    __tablename__ = "sleep_logs"

    id = Column(Integer, primary_key=True, index=True)
    child_id = Column(Integer, ForeignKey("children.id"), nullable=False)
    start_time = Column(DateTime, nullable=False)
    end_time = Column(DateTime, nullable=True)
    created_at = Column(DateTime, default=datetime.now(UTC), nullable=False)

    def __repr__(self) -> str:
        return f"<Sleep(id={self.id}, child_id={self.child_id})>"