"""Image model for uploaded images."""
import uuid
from datetime import datetime
from sqlalchemy import BigInteger, Column, DateTime, ForeignKey, Integer, String
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import relationship

from app.database.base import Base


class Image(Base):
    """Image model representing uploaded image files."""

    __tablename__ = "images"

    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)
    filename = Column(String(255), nullable=False, index=True)
    storage_path = Column(String(512), nullable=False)
    file_size = Column(BigInteger, nullable=False)
    mime_type = Column(String(100), nullable=False)
    width = Column(Integer, nullable=False)
    height = Column(Integer, nullable=False)
    image_metadata = Column(JSONB, nullable=False)
    created_at = Column(DateTime, nullable=False, default=datetime.utcnow)
    reference_count = Column(Integer, nullable=False, default=0)

    # Relationships
    user = relationship("User", back_populates="images")
    board_images = relationship("BoardImage", back_populates="image", cascade="all, delete-orphan")

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