"""AI 编排运行账本。"""

from __future__ import annotations

from typing import Optional

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

from .base import Base
from .types import JSONB


class AIOrchestrationRun(Base):
    __tablename__ = "ai_orchestration_runs"
    __table_args__ = (
        UniqueConstraint("tenant_id", "trace_id", name="uq_ai_orchestration_run_trace_id"),
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    trace_id: Mapped[str] = mapped_column(VARCHAR(64), nullable=False, index=True)
    run_type: Mapped[str] = mapped_column(VARCHAR(40), nullable=False, index=True)
    project_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("projects.id"), nullable=True, index=True)
    signal_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("signals.id"), nullable=True, index=True)
    response_mode: Mapped[str] = mapped_column(VARCHAR(16), nullable=False, default="fast", index=True)
    status: Mapped[str] = mapped_column(VARCHAR(20), nullable=False, default="queued", index=True)
    planner_status: Mapped[Optional[str]] = mapped_column(VARCHAR(20), nullable=True, index=True)
    control_plane_status: Mapped[Optional[str]] = mapped_column(VARCHAR(20), nullable=True, index=True)
    worker_total: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    worker_completed: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    worker_failed: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    summary: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    planner_diagnostics: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)
    result_payload: Mapped[Optional[dict]] = mapped_column(JSONB, nullable=True)
    source_system: Mapped[Optional[str]] = mapped_column(VARCHAR(32), nullable=True, index=True)
    source_message_id: Mapped[Optional[str]] = mapped_column(VARCHAR(128), nullable=True, index=True)
    sender: Mapped[Optional[str]] = mapped_column(VARCHAR(128), nullable=True)
    source_sender_open_id: Mapped[Optional[str]] = mapped_column(VARCHAR(128), nullable=True, index=True)
    channel_ref: Mapped[Optional[str]] = mapped_column(VARCHAR(128), nullable=True, index=True)
    chat_type: Mapped[Optional[str]] = mapped_column(VARCHAR(32), nullable=True)
    captured_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True, index=True)
    message_text: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    project_hint_id: Mapped[Optional[int]] = mapped_column(BigInteger, ForeignKey("projects.id"), nullable=True, index=True)
    retry_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
    max_retries: Mapped[int] = mapped_column(Integer, nullable=False, default=3)
    next_retry_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True, index=True)
    last_error: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
    last_error_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True)
    ack_sent_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True)
    result_notified_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True)
    work_item_id: Mapped[Optional[int]] = mapped_column(
        Integer,
        ForeignKey("work_items.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )
    created_by_user_id: Mapped[Optional[int]] = mapped_column(
        BigInteger,
        ForeignKey("users.id"),
        nullable=True,
        index=True,
    )
    started_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True)
    completed_at: Mapped[Optional[TIMESTAMP]] = mapped_column(TIMESTAMP, nullable=True)