from datetime import datetime

from core_db import AuditMixin, Base, EntityMixin, VersionMixin
from core_shared import JSONValue
from sqlalchemy import DateTime, Integer, String, Text
from sqlalchemy.dialects.sqlite import JSON
from sqlalchemy.orm import Mapped, mapped_column


class NodeRun(EntityMixin, AuditMixin, VersionMixin, Base):
    __tablename__ = "node_run"

    run_id: Mapped[str] = mapped_column(String(36), index=True)
    parent_node_run_id: Mapped[str | None] = mapped_column(String(36), nullable=True)
    node_id: Mapped[str] = mapped_column(String(128))
    node_type: Mapped[str] = mapped_column(String(32))
    attempt_no: Mapped[int] = mapped_column(Integer, default=1)
    status: Mapped[str] = mapped_column(String(32), default="pending", index=True)
    worker_key: Mapped[str | None] = mapped_column(String(128), nullable=True)
    lease_expire_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    scheduled_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, index=True)
    timeout_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, index=True)
    queued_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    started_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    finished_time: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    output_text: Mapped[str | None] = mapped_column(Text, nullable=True)
    output_json: Mapped[dict[str, JSONValue] | None] = mapped_column(JSON, nullable=True)
    error_code: Mapped[str | None] = mapped_column(String(64), nullable=True)
    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)