from sqlalchemy import Column, DateTime, ForeignKey, Integer, JSON, String
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func

from app.db.base import Base


class DocumentReplicaOutput(Base):
    __tablename__ = "document_replica_outputs"

    id = Column(Integer, primary_key=True, index=True)
    document_id = Column(Integer, ForeignKey("documents.id"), nullable=False, index=True)
    replica_layout_version_id = Column(Integer, ForeignKey("document_replica_layout_versions.id"), nullable=False, index=True)

    output_type = Column(String, nullable=False)
    file_path = Column(String, nullable=False)
    sha256 = Column(String, nullable=True)
    file_size_bytes = Column(Integer, nullable=True)
    created_by = Column(String, nullable=True)
    render_settings_json = Column(JSON, nullable=True)

    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)

    document = relationship("Document", back_populates="replica_outputs")
    replica_layout_version = relationship("DocumentReplicaLayoutVersion", back_populates="outputs")