"""风控预警相关 DTO。"""
from __future__ import annotations

from datetime import datetime
from decimal import Decimal

from pydantic import BaseModel, field_serializer


class RiskAlertResp(BaseModel):
    """单条风控预警（列表 / 详情共用）。"""

    id: int
    customer_id: int
    order_id: int | None
    alert_type: str
    alert_level: str
    trigger_detail: str | None
    transaction_ids: list | None
    confidence: Decimal
    status: str
    handler_id: int | None
    handle_result: str | None
    handle_time: datetime | None
    create_time: datetime

    @field_serializer("confidence")
    def _fmt_confidence(self, value: Decimal) -> str:
        return f"{value:.2f}"