"""admin 展示口径派生单测：记录级原始结局 → (admin_status, outcome_hint)。"""
from __future__ import annotations

import pytest
from sqlalchemy import select

from app.admin.repositories.comparison_outcome import admin_success_sql, derive_admin_outcome
from app.db.session import SessionLocal
from app.models.comparison import ComparisonRecord


@pytest.mark.parametrize(
    ("raw_payload", "status", "expected"),
    [
        # 真实形态：status 已 normalize，细分在 raw_payload.record_status
        ({"record_status": "success"}, "success", ("success", None)),
        ({"record_status": "below_minimum"}, "success", ("success", "未满起送")),
        ({"record_status": "store_closed"}, "failed", ("success", "门店打烊")),
        ({"record_status": "store_not_found"}, "failed", ("success", "未找到店")),
        ({"record_status": "items_not_found"}, "failed", ("success", "未找到菜")),
        ({"record_status": "no_delivery"}, "failed", ("success", "单点不配送")),
        ({"record_status": "unsupported"}, "failed", ("success", "平台·场景不支持")),
        ({"record_status": "failed"}, "failed", ("failed", None)),  # 纯技术故障
        # 空字符串视作缺失，兜到下一级（与 SQL nullif 对齐）
        ({"record_status": "", "status": "store_closed"}, "failed", ("success", "门店打烊")),
        # POST 路径：细分在 raw_payload.status
        ({"status": "store_not_found"}, "failed", ("success", "未找到店")),
        # 兜底 status 列：raw_payload 缺失（极老记录）或残留细分值
        (None, "success", ("success", None)),
        (None, "failed", ("failed", None)),
        (None, "store_closed", ("success", "门店打烊")),  # 迁移未覆盖的残留
        # 生命周期态优先，不看结局
        ({}, "cancelled", ("cancelled", None)),
        ({"record_status": "success"}, "running", ("running", None)),
    ],
)
def test_derive_admin_outcome(raw_payload, status, expected):
    assert derive_admin_outcome(raw_payload, status) == expected


def test_admin_success_sql_matches_python_on_empty_string() -> None:
    """record_status 为空串时，SQL 侧(nullif)与 Python 侧(or)都应兜到 status 列结局、判为成功。"""
    db = SessionLocal()
    try:
        rec = ComparisonRecord(
            trace_id="outcome-empty-record-status",
            status="failed",
            raw_payload={"record_status": "", "status": "store_closed"},
        )
        db.add(rec)
        db.flush()
        matched = db.execute(
            select(ComparisonRecord.id).where(
                ComparisonRecord.trace_id == "outcome-empty-record-status",
                admin_success_sql(),
            )
        ).scalar_one_or_none()
        assert matched is not None  # SQL 侧判成功
        assert derive_admin_outcome(rec.raw_payload, rec.status) == ("success", "门店打烊")  # Python 侧一致
    finally:
        db.rollback()
        db.close()