"""操作执行幂等账本。"""

from __future__ import annotations

from typing import Optional

from sqlalchemy import BigInteger, Integer, ForeignKey, Text, UniqueConstraint, VARCHAR
from sqlalchemy.orm import Mapped, mapped_column

from .base import Base
from .types import JSONB


class OperationExecutionLedger(Base):
    __tablename__ = "operation_execution_ledger"
    __table_args__ = (
        UniqueConstraint(
            "tenant_id",
            "operation_code",
            "idempotency_key",
            name="uq_operation_execution_ledger_key",
        ),
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    operation_code: Mapped[str] = mapped_column(VARCHAR(64), nullable=False, index=True)
    project_id: Mapped[Optional[int]] = mapped_column(
        BigInteger, ForeignKey("projects.id"), nullable=True, index=True
    )
    idempotency_key: Mapped[str] = mapped_column(VARCHAR(128), nullable=False)
    trace_id: Mapped[Optional[str]] = mapped_column(VARCHAR(64), nullable=True, index=True)
    status: Mapped[str] = mapped_column(VARCHAR(20), nullable=False, default="processing", index=True)
    payload: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)
    result_payload: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)
    entity_type: Mapped[Optional[str]] = mapped_column(VARCHAR(64), nullable=True, index=True)
    entity_id: Mapped[Optional[str]] = mapped_column(VARCHAR(128), nullable=True, index=True)
    error_message: Mapped[Optional[str]] = mapped_column(Text, nullable=True)