"""实盘防卡状态：half_open / option_closed_perp_pending。"""

from __future__ import annotations

from app.sim.ledger import Ledger
from app.sim.matcher import BLOCKING_STATUSES, Matcher


def test_blocking_statuses_include_repair_states() -> None:
    assert "half_open" in BLOCKING_STATUSES
    assert "option_closed_perp_pending" in BLOCKING_STATUSES
    assert "open" in BLOCKING_STATUSES


def test_has_open_position_blocks_half_open(tmp_path, monkeypatch) -> None:
    monkeypatch.setenv("MODE", "SIM")
    from app.models.db import Database

    db = Database(tmp_path / "t.db")
    m = Matcher(db)
    assert m.has_open_position() is False

    with db._lock:
        db._conn.execute(
            """UPDATE positions SET
                group_id=?, option_inst_id=?, option_side=?, option_qty_eth=?,
                option_qty_contracts=?, option_entry_px=?, status=?
                WHERE id=1""",
            ("G-test", "ETH-OPT", "call", 2.0, 200.0, 10.0, "half_open"),
        )
        db._conn.commit()

    assert m.has_open_position() is True
    assert m.position_status() == "half_open"

    with db._lock:
        db._conn.execute(
            "UPDATE positions SET status='option_closed_perp_pending' WHERE id=1"
        )
        db._conn.commit()
    assert m.has_open_position() is True

    with db._lock:
        db._conn.execute(
            """UPDATE positions SET
                group_id=NULL, option_inst_id=NULL, status='flat' WHERE id=1"""
        )
        db._conn.commit()
    assert m.has_open_position() is False
    db.close()


def test_ledger_allow_negative(tmp_path) -> None:
    from app.models.db import Database

    db = Database(tmp_path / "l.db")
    ledger = Ledger(db)
    # 掏空
    snap = ledger.snapshot()
    ledger.apply_cash(-snap["available"], kind="drain", note="drain")
    try:
        ledger.apply_cash(-1.0, kind="fail", note="should fail")
        assert False, "expected RuntimeError"
    except RuntimeError:
        pass
    # LIVE 镜像允许透支
    bal = ledger.apply_cash(-1.0, kind="live", note="ok", allow_negative=True)
    assert bal < 0
    db.close()