"""V2b: ScriptedVenue — directive semantics + kernel CANCEL mapping."""

from __future__ import annotations

import sys
import time
from datetime import datetime, timezone

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

import pytest

from prod.clean_arch.dita_v2.contracts import (
    KernelCommandType,
    KernelEventKind,
    KernelIntent,
    TradeSide,
    TradeStage,
)
from prod.clean_arch.violet.scripted_venue import Directive, ScriptedVenue


def _intent(tid: str, action=KernelCommandType.ENTER, *, order_type="LIMIT",
            limit_price=99.5, ref=100.0) -> KernelIntent:
    return KernelIntent(
        timestamp=datetime.now(timezone.utc),
        intent_id=tid, trade_id=tid, slot_id=0,
        asset="BTCUSDT", side=TradeSide.SHORT, action=action,
        reference_price=ref, target_size=1.0, leverage=1.0,
        exit_leg_ratios=(1.0,), reason="test", metadata={},
        stage=TradeStage.INTENT_CREATED,
        order_type=order_type, limit_price=limit_price,
    )


def test_rest_then_expire_acks_only_and_cancel_pops():
    v = ScriptedVenue()
    v.set_directive("T1", Directive.REST_THEN_EXPIRE)
    events = v.submit(_intent("T1"))
    assert [e.kind for e in events] == [KernelEventKind.ORDER_ACK]
    assert len(v.open_orders()) == 1
    order = v.open_orders()[0]
    assert order.internal_trade_id == "T1"
    out = v.cancel(order)
    assert [e.kind for e in out] == [KernelEventKind.CANCEL_ACK]
    assert v.open_orders() == []
    assert v.reconcile() == []                      # nothing ever falls due


def test_rest_then_fill_releases_via_reconcile_at_limit_price():
    v = ScriptedVenue()
    v.set_directive("T2", Directive.REST_THEN_FILL, fill_delay_ms=10.0)
    v.submit(_intent("T2", limit_price=99.25))
    assert v.reconcile() == []                      # not due yet
    time.sleep(0.02)
    fills = v.reconcile()
    assert [e.kind for e in fills] == [KernelEventKind.FULL_FILL]
    assert fills[0].price == 99.25                  # maker fills at the limit
    assert fills[0].filled_size == 1.0
    assert v.reconcile() == []                      # released exactly once


def test_post_only_reject():
    v = ScriptedVenue()
    v.set_directive("T3", Directive.POST_ONLY_REJECT)
    events = v.submit(_intent("T3"))
    assert [e.kind for e in events] == [KernelEventKind.ORDER_REJECT]
    assert v.open_orders() == []


def test_fill_races_cancel():
    """Cancel is rejected and the fill surfaces on the next reconcile —
    the late-WS-fill-beats-cancel race."""
    v = ScriptedVenue()
    v.set_directive("T4", Directive.FILL_RACES_CANCEL)
    v.submit(_intent("T4"))
    order = v.open_orders()[0]
    out = v.cancel(order)
    assert [e.kind for e in out] == [KernelEventKind.CANCEL_REJECT]
    fills = v.reconcile()
    assert [e.kind for e in fills] == [KernelEventKind.FULL_FILL]
    assert fills[0].trade_id == "T4"


def test_cancel_reject_directive():
    v = ScriptedVenue()
    v.set_directive("T5", Directive.CANCEL_REJECT)
    v.submit(_intent("T5"))
    out = v.cancel(v.open_orders()[0])
    assert [e.kind for e in out] == [KernelEventKind.CANCEL_REJECT]
    assert v.reconcile() == []                      # no phantom fill


def test_prefix_lookup_covers_retries():
    v = ScriptedVenue()
    v.set_directive("T6", Directive.REST_THEN_EXPIRE)
    v.set_directive("T6-r1", Directive.IMMEDIATE_FILL)
    assert [e.kind for e in v.submit(_intent("T6"))] == [KernelEventKind.ORDER_ACK]
    kinds = [e.kind for e in v.submit(_intent("T6-r1"))]
    assert KernelEventKind.FULL_FILL in kinds       # own directive wins
    kinds_m = [e.kind for e in v.submit(_intent("T6-m"))]
    assert kinds_m == [KernelEventKind.ORDER_ACK]   # falls back to T6 prefix


def test_no_directive_is_parent_default():
    v = ScriptedVenue()
    kinds = [e.kind for e in v.submit(_intent("T7"))]
    assert KernelEventKind.FULL_FILL in kinds


def test_kernel_cancel_reaches_venue_with_right_order():
    """Full kernel drive: ENTER (resting LIMIT) then CANCEL via
    process_intent — the CANCEL must reach ScriptedVenue.cancel with the
    venue_order_id of the resting quote and pop it."""
    from prod.clean_arch.dita_v2.launcher import build_launcher_bundle

    venue = ScriptedVenue()
    venue.set_directive("T-CXL", Directive.REST_THEN_EXPIRE)
    bundle = build_launcher_bundle(venue_mode="MOCK", max_slots=1, venue=venue)
    kernel = bundle.kernel

    kernel.process_intent(_intent("T-CXL"))
    assert venue.submits == ["T-CXL"]
    assert len(venue.open_orders()) == 1
    resting_oid = venue.open_orders()[0].venue_order_id

    cancel = _intent("T-CXL", action=KernelCommandType.CANCEL,
                     order_type="MARKET", limit_price=0.0)
    kernel.process_intent(cancel)
    assert venue.cancels == ["T-CXL"]
    assert venue.open_orders() == []                # CANCEL_ACK popped it
    assert resting_oid                              # mapping existed end-to-end


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