"""Board model for reference boards."""
import uuid
from datetime import datetime
from sqlalchemy import Boolean, Column, DateTime, ForeignKey, String, Text
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import relationship

from app.database.base import Base


class Board(Base):
    """Board model representing a reference board."""

    __tablename__ = "boards"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
    title = Column(String(255), nullable=False)
    description = Column(Text, nullable=True)
    viewport_state = Column(
        JSONB,
        nullable=False,
        default={"x": 0, "y": 0, "zoom": 1.0, "rotation": 0}
    )
    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
    updated_at = Column(DateTime, nullable=False, default=datetime.utcnow, onupdate=datetime.utcnow)
    is_deleted = Column(Boolean, nullable=False, default=False)

    # Relationships
    user = relationship("User", back_populates="boards")
    board_images = relationship("BoardImage", back_populates="board", cascade="all, delete-orphan")
    groups = relationship("Group", back_populates="board", cascade="all, delete-orphan")
    share_links = relationship("ShareLink", back_populates="board", cascade="all, delete-orphan")
    comments = relationship("Comment", back_populates="board", cascade="all, delete-orphan")

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