"""SurugayaOrderDetailParser 商品明细字段映射的回归测试。

锁定 ITEM_FIELD_MAP 字段名 bug 的修复：品番/状態/数量/金額 必须正确填充
product_code/condition/quantity/line_total，而非被 pydantic 静默丢弃。
"""

from surugaya_common.models import SurugayaOrderItem
from surugaya_common.parsers.surugaya.order_detail import (
    ITEM_FIELD_MAP,
    SurugayaOrderDetailParser,
)


def test_item_field_map_targets_are_real_model_fields():
    """ITEM_FIELD_MAP 的每个目标字段都必须是 SurugayaOrderItem 的真实字段。"""
    model_fields = set(SurugayaOrderItem.model_fields)
    for jp_column, en_field in ITEM_FIELD_MAP.items():
        assert en_field in model_fields, f"{jp_column} 映射到非法字段 {en_field}"


def test_normalize_item_row_populates_all_corrected_fields():
    """修复后：品番/状態/数量/金額 应正确填充，金额/整数字段完成归一化。"""
    parser = SurugayaOrderDetailParser()
    raw_item = {
        "品番": "ABC-123",
        "状態": "中古",
        "枝番": "1",
        "商品タイトル": "测试商品",
        "単価": "1,250円",
        "数量": "2",
        "値引額": "100円",
        "金額": "2,400円",
        "備考": "x",
    }

    normalized = parser._normalize_mapped_values(raw_item, ITEM_FIELD_MAP)
    item = SurugayaOrderItem(**normalized, raw=raw_item)

    # 此前被静默丢弃的 4 个字段现在应被正确填充
    assert item.product_code == "ABC-123"
    assert item.condition == "中古"
    assert item.quantity == 2  # INT_FIELDS 归一
    assert item.line_total == 2400  # MONEY_FIELDS 归一，逗号去除

    # 原本就正确的字段保持不变
    assert item.branch_number == "1"
    assert item.product_title == "测试商品"
    assert item.unit_price == 1250
    assert item.discount_amount == 100
    assert item.remarks == "x"