"""斗鱼写路径契约：锁单/支付编排走 mock 客户端，不打真实兑换。"""

from unittest.mock import Mock

from tests.support.db import get_test_engine, make_test_session
from web.backend.models import Account, DouyuGoodsSnapshot, DouyuTask, User
from web.backend.services.douyu_runner import DouyuBatchRunner


class TestDouyuWritePathContracts:
    def setup_method(self):
        self.engine = get_test_engine()
        self.session = make_test_session(self.engine)
        self.user = User(username="operator", password_hash="hash", role="super_admin")
        self.account = Account(
            username="dyuser",
            password="pw",
            email="a@example.com",
            email_password="em",
        )
        self.session.add_all([self.user, self.account])
        self.session.commit()
        self.session.add(
            DouyuGoodsSnapshot(
                commodity_id="bag10",
                name="套装-兔兔白日梦",
                raw={"name": "套装-兔兔白日梦"},
            )
        )
        self.session.commit()

    def teardown_method(self):
        self.session.close()

    def _runner(self, task_type: str) -> DouyuBatchRunner:
        return DouyuBatchRunner(db=self.session, batch_id="batch1", task_type=task_type)

    def _task(self, task_type: str, payload: dict) -> DouyuTask:
        task = DouyuTask(
            batch_id="batch1",
            account_id=self.account.id,
            task_type=task_type,
            handbook_scope="elite",
            status="running",
            result={"payload": payload},
            created_by=self.user.id,
        )
        self.session.add(task)
        self.session.commit()
        return task

    def test_lock_goods_records_order_without_paying(self):
        task = self._task("lock_goods", {"commodity_id": "bag10", "num": 1})
        runner = self._runner("lock_goods")
        client = Mock()
        client.create_exchange_order.return_value = {
            "order_id": "5874",
            "expire_seconds": "300",
        }
        runner._client = Mock(return_value=client)

        runner._execute_lock_goods(
            self.session,
            task,
            self.account,
            "acf_uid=100",
            {"manual_id": "G4KA4Qnz4LDp7", "rid": "9263298"},
        )

        self.session.refresh(task)
        self.session.refresh(self.account)
        assert task.status == "success"
        assert task.result["order_id"] == "5874"
        # 锁单是**流程痕迹**，不是账号状态 —— S6 起不再写 bind_status
        # （动作本身在 douyu_tasks 与 account_events 里都能查）。
        assert self.account.bind_status != "goods_locked"
        client.create_exchange_order.assert_called_once()
        client.pay_exchange_order.assert_not_called()

    def test_pay_locked_order_uses_existing_order_id(self):
        task = self._task(
            "pay_locked_order",
            {"order_id": "5874", "commodity_id": "bag10"},
        )
        runner = self._runner("pay_locked_order")
        client = Mock()
        client.pay_exchange_order.return_value = {
            "exchange_id": "11098933",
            "commodity_image": "https://example.test/item.png",
            "exchange_num": 1,
        }
        runner._client = Mock(return_value=client)
        runner._refresh_account_points = Mock(return_value={"points": 1280})

        runner._execute_pay_locked_order(
            self.session,
            task,
            self.account,
            "acf_uid=100",
            {"manual_id": "G4KA4Qnz4LDp7", "rid": "9263298"},
        )

        self.session.refresh(task)
        assert task.status == "success"
        assert task.result["exchange_id"] == "11098933"
        client.pay_exchange_order.assert_called_once()
        client.create_exchange_order.assert_not_called()