"""接口 2：从表 2 取 push_status=0，组装文档报文。不连 Oracle，不发 HTTP。"""
from __future__ import annotations

from decimal import Decimal

from app.outbound.cart_settlement import (
    MAX_BATCH,
    build_cart_settlement_envelope,
    load_cart_settlement_envelope,
)
from app.outbound.memory_repo import MemoryCartSettlementRepo


def _row(**overrides):
    row = {
        "fid": 100001,
        "operate_type": 1,
        "oms_id": 20260928000001,
        "platform_type": 48,
        "supplier_name": "示例供应商",
        "bar_code": "06901234567890",
        "purchase_price": Decimal("128.5000"),
        "purchase_qty": 10,
        "purchase_total": Decimal("1285.0000"),
        "status": 1,
        "fail_reason": None,
        "pay_order_no": None,
        "pay_order_dtl_id": None,
        "org_code": "901",
        "push_status": 0,
        "multi_platform_flag": 0,
    }
    row.update(overrides)
    return row


def test_assembles_unpushed_rows_as_document_envelope():
    repo = MemoryCartSettlementRepo(
        [
            _row(),
            _row(
                fid=100002,
                operate_type=2,
                platform_type=66,
                status=None,
                pay_order_no="PAY20260928000001",
                pay_order_dtl_id="1233",
            ),
        ]
    )
    envelope = load_cart_settlement_envelope(repo)
    assert envelope == {
        "data": [
            {
                "fid": 100001,
                "operateType": 1,
                "omsId": 20260928000001,
                "platformType": 48,
                "supplierName": "示例供应商",
                "barCode": "06901234567890",
                "purchasePrice": "128.5000",
                "purchaseQty": 10,
                "purchaseTotal": "1285.0000",
                "status": 1,
                "failReason": None,
                "payOrderNo": None,
                "payOrderDtlId": None,
                "orgCode": "901",
            },
            {
                "fid": 100002,
                "operateType": 2,
                "omsId": 20260928000001,
                "platformType": 66,
                "supplierName": "示例供应商",
                "barCode": "06901234567890",
                "purchasePrice": "128.5000",
                "purchaseQty": 10,
                "purchaseTotal": "1285.0000",
                "status": None,
                "failReason": None,
                "payOrderNo": "PAY20260928000001",
                "payOrderDtlId": "1233",
                "orgCode": "901",
            },
        ]
    }


def test_skips_already_pushed_rows():
    repo = MemoryCartSettlementRepo(
        [
            _row(fid=1, push_status=1),
            _row(fid=2, oms_id=20260928000002, push_status=0),
        ]
    )
    envelope = load_cart_settlement_envelope(repo)
    assert [item["fid"] for item in envelope["data"]] == [2]


def test_keeps_same_oms_id_in_one_envelope():
    rows = [
        _row(fid=1, oms_id=1, platform_type=48, multi_platform_flag=1),
        _row(fid=2, oms_id=1, platform_type=66, multi_platform_flag=1),
        _row(fid=3, oms_id=2, platform_type=48),
    ]
    envelope = build_cart_settlement_envelope(rows, limit=2)
    fids = [item["fid"] for item in envelope["data"]]
    assert fids == [1, 2]


def test_does_not_split_oms_id_group_across_batch_limit():
    rows = [
        _row(fid=1, oms_id=1, platform_type=48),
        _row(fid=2, oms_id=2, platform_type=48, multi_platform_flag=1),
        _row(fid=3, oms_id=2, platform_type=66, multi_platform_flag=1),
    ]
    envelope = build_cart_settlement_envelope(rows, limit=2)
    assert [item["fid"] for item in envelope["data"]] == [1]


def test_batch_cap_is_500():
    assert MAX_BATCH == 500
    rows = [_row(fid=i, oms_id=i) for i in range(1, 502)]
    envelope = build_cart_settlement_envelope(rows)
    assert len(envelope["data"]) == 500
    assert envelope["data"][0]["fid"] == 1
    assert envelope["data"][-1]["fid"] == 500


def test_payload_omits_table_only_columns():
    envelope = build_cart_settlement_envelope([_row()])
    item = envelope["data"][0]
    assert "pushStatus" not in item
    assert "push_status" not in item
    assert "multiPlatformFlag" not in item
    assert "createTime" not in item