"""Comment model for board annotations."""

import uuid
from datetime import datetime, timezone

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 Comment(Base):
    """Comment model representing viewer comments on shared boards."""

    __tablename__ = "comments"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    board_id = Column(UUID(as_uuid=True), ForeignKey("boards.id", ondelete="CASCADE"), nullable=False)
    share_link_id = Column(UUID(as_uuid=True), ForeignKey("share_links.id", ondelete="SET NULL"), nullable=True)
    author_name = Column(String(100), nullable=False)
    content = Column(Text, nullable=False)
    position = Column(JSONB, nullable=True)  # Optional canvas position reference
    created_at = Column(DateTime, nullable=False, default=lambda: datetime.now(timezone.utc))
    is_deleted = Column(Boolean, nullable=False, default=False)

    # Relationships
    board = relationship("Board", back_populates="comments")
    share_link = relationship("ShareLink", back_populates="comments")

    def __repr__(self) -> str:
        return f"<Comment(id={self.id}, board_id={self.board_id}, author={self.author_name})>"