from sqlalchemy import Column, String, Integer, DateTime, Text, ForeignKey
from sqlalchemy.dialects.postgresql import UUID
from uuid import uuid4
from datetime import datetime
from ..database import Base


class ProcessingJob(Base):
    __tablename__ = "processing_jobs"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
    stream_id = Column(UUID(as_uuid=True), ForeignKey("streams.id", ondelete="CASCADE"), nullable=False, index=True)
    status = Column(String(20), default="pending", index=True)
    job_type = Column(String(20), nullable=False)
    progress = Column(Integer, default=0)
    error_message = Column(Text)
    started_at = Column(DateTime(timezone=True))
    completed_at = Column(DateTime(timezone=True))
    created_at = Column(DateTime(timezone=True), default=datetime.utcnow)