"""V1: ObserveOnlyVenue — refusal + delegation contract."""

from __future__ import annotations

import asyncio
import sys

sys.path.insert(0, "/mnt/dolphinng5_predict")
sys.path.insert(0, "/mnt/dolphinng5_predict/nautilus_dolphin")

import pytest

from prod.clean_arch.violet.observe_guard import ObserveOnlyVenue, ObserveOnlyViolation


class _Inner:
    def __init__(self):
        self.connected = False
        self.calls = []

    def submit(self, intent):
        self.calls.append(("submit", intent))
        return ["should-never-happen"]

    async def submit_async(self, intent):
        self.calls.append(("submit_async", intent))
        return ["should-never-happen"]

    def cancel(self, order, reason=""):
        self.calls.append(("cancel", order))
        return []

    async def cancel_async(self, order, reason=""):
        self.calls.append(("cancel_async", order))
        return []

    async def connect(self):
        self.connected = True

    async def subscribe(self):
        if False:  # pragma: no cover — generator shape
            yield None


@pytest.mark.asyncio
async def test_submit_and_cancel_raise_and_never_reach_inner():
    inner = _Inner()
    guard = ObserveOnlyVenue(inner)
    with pytest.raises(ObserveOnlyViolation):
        guard.submit({"x": 1})
    with pytest.raises(ObserveOnlyViolation):
        guard.cancel(object())
    with pytest.raises(ObserveOnlyViolation):
        await guard.submit_async({})
    with pytest.raises(ObserveOnlyViolation):
        await guard.cancel_async(object())
    assert inner.calls == []


@pytest.mark.asyncio
async def test_attribute_get_delegates():
    inner = _Inner()
    guard = ObserveOnlyVenue(inner)
    assert guard.connected is False
    await guard.connect()
    assert inner.connected is True and guard.connected is True


def test_attribute_set_delegates_to_inner():
    """The runtime does `venue._kernel_ref = kernel` — assignment must land
    on the wrapped adapter, not the guard."""
    inner = _Inner()
    guard = ObserveOnlyVenue(inner)
    sentinel = object()
    guard._kernel_ref = sentinel
    assert getattr(inner, "_kernel_ref") is sentinel
    assert not hasattr(type(guard), "_kernel_ref")


def test_wrapped_mock_venue_full_kernel_drive_never_submits():
    """Real ExecutionKernel over a wrapped MOCK venue: an ENTER intent is
    refused at the venue boundary; the kernel's venue-submit-failure
    rollback converts the refusal into a synthetic REJECT (slot returns to
    IDLE) and the inner venue NEVER sees the order."""
    from prod.clean_arch.dita_v2.launcher import build_launcher_bundle
    from prod.clean_arch.dita_v2.contracts import (
        KernelCommandType,
        KernelIntent,
        TradeSide,
        TradeStage,
    )
    from datetime import datetime, timezone

    bundle = build_launcher_bundle(venue_mode="MOCK", max_slots=1)
    kernel = bundle.kernel
    inner = kernel.venue
    submitted = []
    orig_submit = inner.submit
    inner.submit = lambda *a, **k: submitted.append(a) or orig_submit(*a, **k)
    kernel.venue = ObserveOnlyVenue(inner)

    intent = KernelIntent(
        timestamp=datetime.now(timezone.utc),
        intent_id="i-1", trade_id="T-OBS-1", slot_id=0,
        asset="BTCUSDT", side=TradeSide.SHORT,
        action=KernelCommandType.ENTER,
        reference_price=100.0, target_size=1.0, leverage=1.0,
        exit_leg_ratios=(1.0,), reason="test", metadata={},
        stage=TradeStage.INTENT_CREATED,
    )
    outcome = kernel.process_intent(intent)
    assert submitted == []                       # nothing reached the venue
    assert kernel.slot(0).is_free()              # FSM rolled back to IDLE
    assert any(
        "VENUE_SUBMIT_ERROR" in str(e.reason)
        for e in outcome.emitted_events
    ), "expected the synthetic REJECT from the guard refusal"


if __name__ == "__main__":
    raise SystemExit(pytest.main([__file__, "-v"]))