"""客户装/送货默认记忆：条目合并规则"""
from app.services.pl_customer_stop_pref_service import build_stop_pref_upsert_items


def test_build_items_skips_empty_customer():
    items = build_stop_pref_upsert_items(
        load={"customer_id": "", "address": "A"},
        deliveries=[{"customer_id": "c1", "address": "D1", "contact": "1", "notes": "n"}],
    )
    assert len(items) == 1
    assert items[0]["stop_type"] == "delivery"
    assert items[0]["customer_id"] == "c1"


def test_build_items_load_and_delivery_independent():
    items = build_stop_pref_upsert_items(
        load={
            "customer_id": "c1",
            "customer_name": "甲",
            "address": "装址",
            "lng": 1.1,
            "lat": 2.2,
            "contact": "装联",
            "notes": "装注",
        },
        deliveries=[
            {
                "customer_id": "c1",
                "customer_name": "甲",
                "address": "送址",
                "contact": "送联",
                "notes": "送注",
            }
        ],
    )
    assert len(items) == 2
    by_type = {i["stop_type"]: i for i in items}
    assert by_type["load"]["address"] == "装址"
    assert by_type["delivery"]["address"] == "送址"


def test_build_items_same_delivery_customer_last_wins():
    items = build_stop_pref_upsert_items(
        load=None,
        deliveries=[
            {"customer_id": "c1", "address": "第一段", "contact": "a", "notes": "1"},
            {"customer_id": "c2", "address": "别家", "contact": "b", "notes": "2"},
            {"customer_id": "c1", "address": "最后段", "contact": "c", "notes": "3"},
        ],
    )
    delivery_c1 = [i for i in items if i["stop_type"] == "delivery" and i["customer_id"] == "c1"]
    assert len(delivery_c1) == 1
    assert delivery_c1[0]["address"] == "最后段"
    assert delivery_c1[0]["contact"] == "c"