"""公开磅单二维码只读接口。"""
from datetime import date
from types import SimpleNamespace

from fastapi.testclient import TestClient

from app.main import app
from app.services.db.pound_qr_public import (
    build_pound_qr_label,
    build_public_pound_qr_read,
)

client = TestClient(app)


def test_build_pound_qr_label():
    assert build_pound_qr_label("出库", "合肥德泽") == "出库 · 合肥德泽"
    assert build_pound_qr_label("入库", "") == "入库"
    assert build_pound_qr_label("", "安庆山峡") == "安庆山峡"


def test_build_public_pound_qr_read_maps_fields():
    row = SimpleNamespace(
        id="inv-1",
        date=date(2026, 9, 12),
        business_type="出库",
        vehicle_no="皖AM8516",
        partner_company="合肥德泽化工科技有限公司",
        product="30% 工业硫酸",
        specification="30%",
        quantity=10.0,
        remark="注意安全",
    )
    read = build_public_pound_qr_read(row, quantity_unit="吨")
    dump = read.model_dump(by_alias=True)
    assert dump["id"] == "inv-1"
    assert dump["date"] == "2026-09-12"
    assert dump["businessType"] == "出库"
    assert dump["vehicleNo"] == "皖AM8516"
    assert dump["partnerCompany"] == "合肥德泽化工科技有限公司"
    assert dump["product"] == "30% 工业硫酸"
    assert dump["specification"] == "30%"
    assert dump["quantity"] == 10.0
    assert dump["quantityUnit"] == "吨"
    assert dump["remarks"] == "注意安全"


def test_pound_qr_missing_returns_404():
    resp = client.get("/api/public/db/inventory/__missing_pound_qr_id__/pound-qr")
    assert resp.status_code == 404