"""R7: DELETE /trades/pending(+v2) 는 PENDING 을 지우지 않는다 (원장 BUY 합계·강등 방어 근거)."""
import pytest
from types import SimpleNamespace


class _Res:
    def __init__(self, rows):
        self._rows = rows

    def scalars(self):
        return SimpleNamespace(all=lambda: self._rows)


class _DB:
    def __init__(self):
        self.stmts, self.deleted = [], []

    async def execute(self, stmt):
        self.stmts.append(stmt)
        return _Res([])

    async def delete(self, obj):
        self.deleted.append(obj)

    async def commit(self):
        return None


def _params(stmt):
    return [str(v) for v in stmt.compile().params.values()]


@pytest.mark.asyncio
async def test_v1_only_failed_before_today():
    from app.api.endpoints import trades as tr
    db = _DB()
    await tr.delete_pending_trades(db=db)
    p = _params(db.stmts[0])
    assert "FAILED" in p and "PENDING" not in p
    assert "created_at <" in str(db.stmts[0].compile())


@pytest.mark.asyncio
async def test_v2_only_failed_before_today(monkeypatch):
    from app.api.endpoints import trades_v2 as t2

    async def _uid(*a, **k):
        return None
    monkeypatch.setattr(t2, "_resolve_target_user_id", _uid)
    db = _DB()
    await t2.delete_pending_trades_v2(user=SimpleNamespace(), db=db)
    p = _params(db.stmts[0])
    assert "FAILED" in p and "PENDING" not in p
    assert "created_at <" in str(db.stmts[0].compile())