"""接口 1 收件契约。内存仓库，不连 Oracle。"""
from __future__ import annotations

import os

import pytest
from fastapi.testclient import TestClient

os.environ["OMS_INBOUND_TOKEN"] = "test-oms-token"

from app.inbound.memory_repo import MemorySalesGoodsRepo
from app.inbound.repo import RepoUnavailable
from app.main import app, get_repo

TOKEN = "test-oms-token"
PATH = "/api/oms/v1/sales-goods"


def _item(**overrides):
    row = {
        "omsId": 2026092801,
        "barCode": "06901234567890",
        "orderDate": "2026-09-28",
        "salePrice": "128.5000",
        "saleQty": 10,
        "planPurchaseQty": 10,
        "goodsId": "G000123456789",
        "goodsName": "阿莫西林胶囊",
        "goodsSpec": "0.25g*24粒",
        "manufacturer": "示例制药有限公司",
        "approvalNo": "国药准字H20201234",
        "unit": "盒",
        "customerId": "C00010001",
        "customerName": "示例医院",
        "orgCode": "901",
        "goodsMdmCode": "QX0100167583",
        "customerMdmCode": "DW0100079727",
    }
    row.update(overrides)
    return row


@pytest.fixture
def client():
    repo = MemorySalesGoodsRepo()
    app.dependency_overrides[get_repo] = lambda: repo
    with TestClient(app) as test_client:
        yield test_client, repo
    app.dependency_overrides.clear()


def _post(client, body, token=TOKEN):
    headers = {"X-Oms-Token": token} if token is not None else {}
    return client.post(PATH, json=body, headers=headers)


def test_missing_token_returns_401(client):
    test_client, _ = client
    resp = _post(test_client, {"data": [_item()]}, token=None)
    assert resp.status_code == 401
    body = resp.json()
    assert body["code"] == 401
    assert body["results"] == []


def test_wrong_token_returns_401(client):
    test_client, _ = client
    resp = _post(test_client, {"data": [_item()]}, token="bad")
    assert resp.status_code == 401
    assert resp.json()["code"] == 401


def test_missing_data_returns_422(client):
    test_client, _ = client
    resp = _post(test_client, {})
    assert resp.status_code == 422
    assert resp.json()["code"] == 422
    assert resp.json()["results"] == []


def test_empty_data_returns_422(client):
    test_client, _ = client
    resp = _post(test_client, {"data": []})
    assert resp.status_code == 422
    assert resp.json()["code"] == 422


def test_over_100_rows_returns_422(client):
    test_client, repo = client
    rows = [_item(omsId=i) for i in range(1, 102)]
    resp = _post(test_client, {"data": rows})
    assert resp.status_code == 422
    assert repo.count() == 0


def test_accepts_valid_row(client):
    test_client, repo = client
    resp = _post(test_client, {"data": [_item()]})
    assert resp.status_code == 200
    body = resp.json()
    assert body["code"] == 200
    assert body["results"] == [
        {
            "omsId": 2026092801,
            "resultCode": "ACCEPTED",
            "message": "接收成功，等待RPA处理",
        }
    ]
    stored = repo.get(2026092801)
    assert stored["deal_flag"] == 0
    assert stored["bar_code"] == "06901234567890"
    assert stored["goods_mdm_code"] == "QX0100167583"


def test_existing_oms_id_is_duplicate_and_not_updated(client):
    # 跨请求同 omsId：DUPLICATE，库里品名不改。
    test_client, repo = client
    _post(test_client, {"data": [_item()]})
    resp = _post(test_client, {"data": [_item(goodsName="不应覆盖")]})
    assert resp.status_code == 200
    result = resp.json()["results"][0]
    assert result["resultCode"] == "DUPLICATE"
    assert repo.get(2026092801)["goods_name"] == "阿莫西林胶囊"


def test_duplicate_oms_id_in_same_batch_is_conflict(client):
    # 同一 POST 里两条相同 omsId：后一条 CONFLICT，只落第一条。
    test_client, repo = client
    resp = _post(
        test_client,
        {"data": [_item(), _item(barCode="06901234567891")]},
    )
    assert resp.status_code == 200
    results = resp.json()["results"]
    assert results[0]["resultCode"] == "ACCEPTED"
    assert results[1]["resultCode"] == "CONFLICT"
    assert results[1]["omsId"] == 2026092801
    assert repo.count() == 1


def test_missing_mdm_is_rejected_and_not_stored(client):
    test_client, repo = client
    resp = _post(test_client, {"data": [_item(goodsMdmCode="")]})
    assert resp.status_code == 200
    result = resp.json()["results"][0]
    assert result["resultCode"] == "REJECTED"
    assert "goodsMdmCode" in result["message"]
    assert repo.count() == 0


def test_mixed_batch_still_http_200(client):
    test_client, repo = client
    _post(test_client, {"data": [_item(omsId=1)]})
    resp = _post(
        test_client,
        {
            "data": [
                _item(omsId=1),
                _item(omsId=2),
                _item(omsId=3, orgCode=""),
            ]
        },
    )
    assert resp.status_code == 200
    codes = [r["resultCode"] for r in resp.json()["results"]]
    assert codes == ["DUPLICATE", "ACCEPTED", "REJECTED"]
    assert repo.count() == 2


def test_string_oms_id_is_rejected(client):
    # JSON 字符串 "2026092801" 不转整数。
    test_client, repo = client
    resp = _post(test_client, {"data": [_item(omsId="2026092801")]})
    assert resp.status_code == 200
    assert resp.json()["results"][0]["resultCode"] == "REJECTED"
    assert repo.count() == 0


def test_repo_unavailable_returns_503(client):
    test_client, _ = client

    class Boom:
        def insert(self, record):
            raise RepoUnavailable("数据库不可用")

    app.dependency_overrides[get_repo] = lambda: Boom()
    resp = _post(test_client, {"data": [_item()]})
    assert resp.status_code == 503
    assert resp.json()["code"] == 503
    assert resp.json()["results"] == []