"""Agent 执行记录模型。

L1-L4 分级自治执行。
"""

import uuid
from datetime import datetime, timezone

from sqlalchemy import DateTime, ForeignKey, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.core.database import Base
from app.core.types import JSONBType


class AgentExecution(Base):
    """Agent 执行记录。"""

    __tablename__ = "agent_executions"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    tenant_id: Mapped[str] = mapped_column(String(36), ForeignKey("tenants.id"), nullable=False, index=True)
    agent_name: Mapped[str] = mapped_column(String(100), nullable=False, comment="Agent 名称")
    autonomy_level: Mapped[str] = mapped_column(String(10), nullable=False, comment="L1/L2/L3/L4")
    input_summary: Mapped[str | None] = mapped_column(Text, nullable=True, comment="输入摘要")
    output_summary: Mapped[str | None] = mapped_column(Text, nullable=True, comment="输出摘要")
    output_detail: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="输出详情")
    review_status: Mapped[str] = mapped_column(String(20), nullable=False, default="pending", comment="pending/approved/rejected/auto_approved")
    reviewer_id: Mapped[str | None] = mapped_column(String(36), ForeignKey("users.id"), nullable=True)
    reviewed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    model_version: Mapped[str | None] = mapped_column(String(50), nullable=True)
    duration_ms: Mapped[int | None] = mapped_column(nullable=True, comment="执行耗时")
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )