"""PINK ClickHouse persistence tests — DITAv2 outcome + slot_dict API."""

from __future__ import annotations

from dataclasses import dataclass, field
from datetime import datetime, timezone
from types import SimpleNamespace


from prod.clean_arch.dita_v2.contracts import TradeStage as DitaTradeStage
from prod.clean_arch.dita import (
    AccountProjection,
    AccountSnapshot,
    Decision,
    DecisionAction,
    Intent,
    TradeSide,
    TradeStage,
)
from prod.clean_arch.dita_v2.contracts import (
    KernelDiagnosticCode,
    KernelOutcome,
    KernelSeverity,
    KernelTransition,
)
from prod.clean_arch.persistence.pink_clickhouse import PinkClickHousePersistence


@dataclass
class _Sink:
    calls: list[tuple[str, dict]] = field(default_factory=list)

    def __call__(self, table: str, row: dict) -> None:
        self.calls.append((table, row))


def _make_snapshot():
    return SimpleNamespace(
        timestamp=datetime(2026, 5, 25, 12, 0, 0, tzinfo=timezone.utc),
        symbol="BTCUSDT",
        price=100.0,
    )


def _make_decision(action: DecisionAction) -> Decision:
    return Decision(
        timestamp=datetime(2026, 5, 25, 12, 0, 0, tzinfo=timezone.utc),
        decision_id="BTCUSDT-D-000000000001",
        asset="BTCUSDT",
        action=action,
        side=TradeSide.SHORT,
        reason="STRUCTURAL_DISLOCATION" if action == DecisionAction.ENTER else "TAKE_PROFIT",
        confidence=0.9,
        velocity_divergence=-0.12,
        irp_alignment=0.8,
        reference_price=100.0,
        target_size=1.0,
        leverage=2.0,
        bars_held=0,
        stage=TradeStage.ORDER_REQUESTED,
        metadata={},
    )


def _make_intent(action: DecisionAction) -> Intent:
    return Intent(
        timestamp=datetime(2026, 5, 25, 12, 0, 0, tzinfo=timezone.utc),
        trade_id="BTCUSDT-T-000000000001",
        decision_id="BTCUSDT-D-000000000001",
        asset="BTCUSDT",
        action=action,
        side=TradeSide.SHORT,
        reason="STRUCTURAL_DISLOCATION" if action == DecisionAction.ENTER else "TAKE_PROFIT",
        target_size=1.0,
        leverage=2.0,
        reference_price=100.0,
        confidence=0.9,
        bars_held=0,
        exit_leg_ratios=(0.5, 1.0),
        metadata={"exit_ratio": 0.5},
    )


def _make_account() -> AccountProjection:
    return AccountProjection(
        runtime_namespace="pink",
        strategy_namespace="pink",
        event_namespace="pink",
        actor_name="PinkDirectRuntime",
        exec_venue="bingx",
        data_venue="binance",
        ledger_authority="exchange",
        snapshot=AccountSnapshot(capital=25_000.0, equity=25_000.0),
    )


def _make_outcome(
    accepted: bool = True,
    code: KernelDiagnosticCode = KernelDiagnosticCode.OK,
) -> KernelOutcome:
    return KernelOutcome(
        accepted=accepted,
        slot_id=0,
        trade_id="BTCUSDT-T-000000000001",
        state=DitaTradeStage.POSITION_OPEN,
        diagnostic_code=code,
        severity=KernelSeverity.INFO,
        transitions=(),
        emitted_events=(),
        details={},
    )


def _make_slot_dict(
    closed: bool = False,
    size: float = 1.0,
    pnl: float = 0.0,
) -> dict:
    return {
        "slot_id": 0,
        "trade_id": "BTCUSDT-T-000000000001",
        "asset": "BTCUSDT",
        "side": "SHORT",
        "entry_price": 100.0,
        "size": size,
        "initial_size": 1.0,
        "leverage": 2.0,
        "realized_pnl": pnl,
        "unrealized_pnl": 0.0,
        "closed": closed,
        "close_reason": "TAKE_PROFIT" if closed else "",
        "fsm_state": "CLOSED" if closed else "POSITION_OPEN",
        "exit_leg_ratios": [0.5, 1.0],
        "active_leg_index": 0,
        "active_exit_order": None,
        "active_entry_order": None,
    }


def _make_acc_dict(capital: float = 25120.0) -> dict:
    return {
        "capital": capital,
        "equity": capital,
        "realized_pnl": 120.0,
        "unrealized_pnl": 0.0,
        "open_positions": 0,
        "open_notional": 0.0,
        "leverage": 0.0,
    }


def test_persistence_mirrors_policy_account_and_position_rows() -> None:
    """ENTER phase: policy_events, account_events, position_state, trade_reconstruction."""
    sink = _Sink()
    account = _make_account()
    persistence = PinkClickHousePersistence(account, sink=sink, v7_sink=sink)
    snapshot = _make_snapshot()
    decision = _make_decision(DecisionAction.ENTER)
    intent = _make_intent(DecisionAction.ENTER)
    outcome = _make_outcome()
    slot_dict = _make_slot_dict(closed=False, size=1.0)
    acc_dict = _make_acc_dict(25000.0)
    market_state = {
        "market_fingerprint_choppiness_strength": 0.2,
        "market_fingerprint_trend_persistence": 0.4,
        "market_state_top_asset_target": "ETHUSDT",
    }

    persistence.persist_step(
        snapshot=snapshot,
        decision=decision,
        intent=intent,
        outcome=outcome,
        slot_dict=slot_dict,
        acc_dict=acc_dict,
        phase="execution",
        market_state=market_state,
    )

    tables = [t for t, _ in sink.calls]
    assert "policy_events" in tables, f"Missing policy_events, got {tables}"
    assert "v7_decision_events" in tables
    assert "account_events" in tables
    assert "position_state" in tables
    assert "status_snapshots" in tables
    assert "trade_reconstruction" in tables
    assert "trade_events" not in tables, "No trade_events on ENTER"

    policy = next(row for t, row in sink.calls if t == "policy_events")
    v7 = next(row for t, row in sink.calls if t == "v7_decision_events")
    position_row = next(row for t, row in sink.calls if t == "position_state")
    recon_row = next(row for t, row in sink.calls if t == "trade_reconstruction")

    assert policy["trade_id"] == intent.trade_id
    assert policy["action"] == "ENTER"
    assert policy == v7
    assert "market_state_bundle_json" in position_row
    assert position_row["tp_base_pct"] == 0.0
    assert recon_row["market_state_bundle_json"]
    assert "market_fingerprint_choppiness_strength" in recon_row["market_state_bundle_json"]


def test_persistence_writes_anomaly_for_diagnostic() -> None:
    """Non-OK diagnostic_code emits anomaly_events row."""
    sink = _Sink()
    account = _make_account()
    persistence = PinkClickHousePersistence(account, sink=sink, v7_sink=sink)
    snapshot = _make_snapshot()
    decision = _make_decision(DecisionAction.ENTER)
    intent = _make_intent(DecisionAction.ENTER)
    outcome = _make_outcome(accepted=False, code=KernelDiagnosticCode.ORDER_REJECTED)
    slot_dict = _make_slot_dict(closed=False, size=0.0)
    acc_dict = _make_acc_dict(25000.0)

    persistence.persist_step(
        snapshot=snapshot,
        decision=decision,
        intent=intent,
        outcome=outcome,
        slot_dict=slot_dict,
        acc_dict=acc_dict,
        phase="execution",
    )

    tables = [t for t, _ in sink.calls]
    assert "anomaly_events" in tables, f"Missing anomaly_events, got {tables}"
    anomaly = next(row for t, row in sink.calls if t == "anomaly_events")
    assert anomaly["anomaly"] == "ORDER_REJECTED"


def test_persistence_writes_terminal_trade_event_on_close() -> None:
    """EXIT with slot_dict.closed=True writes trade_events."""
    sink = _Sink()
    account = _make_account()
    account.snapshot.capital = 25120.0
    persistence = PinkClickHousePersistence(account, sink=sink, v7_sink=sink)
    snapshot = _make_snapshot()
    decision = _make_decision(DecisionAction.EXIT)
    intent = _make_intent(DecisionAction.EXIT)
    outcome = _make_outcome()
    slot_dict = _make_slot_dict(closed=True, size=0.0, pnl=120.0)
    acc_dict = _make_acc_dict(25120.0)
    market_state = {"market_fingerprint_mean_reversion_strength": 0.3}

    persistence.persist_step(
        snapshot=snapshot,
        decision=decision,
        intent=intent,
        outcome=outcome,
        slot_dict=slot_dict,
        acc_dict=acc_dict,
        phase="execution",
        market_state=market_state,
    )

    tables = [t for t, _ in sink.calls]
    assert "trade_events" in tables, f"Missing trade_events, got {tables}"
    trade = next(row for t, row in sink.calls if t == "trade_events")
    assert trade["exit_reason"] == "TAKE_PROFIT"
    assert trade["trade_id"] == intent.trade_id
    assert "market_state_bundle_json" in trade
    assert "market_fingerprint_mean_reversion_strength" in trade["market_state_bundle_json"]


def test_persistence_writes_anomaly_and_recovery_rows() -> None:
    """record_anomaly() + persist_recovery_state() write correct rows."""
    sink = _Sink()
    account = _make_account()
    persistence = PinkClickHousePersistence(account, sink=sink, v7_sink=sink)
    snapshot = _make_snapshot()
    decision = _make_decision(DecisionAction.HOLD)
    intent = _make_intent(DecisionAction.HOLD)

    persistence.record_anomaly(
        snapshot=snapshot,
        decision=decision,
        intent=intent,
        anomaly="hung_exit",
        origin="injected",
        sensor="m8_execution_integrity",
        detail="forced drop",
        rm_meta=0.42,
    )
    persistence.persist_recovery_state(
        snapshot=snapshot,
        acc_dict={},
        market_state={"market_fingerprint_dd_pressure": 0.2},
    )

    tables = [t for t, _ in sink.calls]
    assert "anomaly_events" in tables
    anomaly = next(row for t, row in sink.calls if t == "anomaly_events")
    assert anomaly["anomaly"] == "hung_exit"
    assert anomaly["sensor"] == "m8_execution_integrity"
    assert "status_snapshots" in tables
    assert "account_events" in tables
    assert "position_state" in tables


def test_persistence_writes_account_reconcile_rows() -> None:
    """persist_recovery_state with account_reconcile phase writes correct rows."""
    sink = _Sink()
    account = _make_account()
    persistence = PinkClickHousePersistence(account, sink=sink, v7_sink=sink)
    snapshot = _make_snapshot()

    persistence.persist_recovery_state(
        snapshot=snapshot,
        acc_dict={},
        phase="account_reconcile",
        event_type="ACCOUNT_RECONCILE",
        market_state={"market_fingerprint_return_entropy": 0.1},
    )

    tables = [t for t, _ in sink.calls]
    assert "status_snapshots" in tables
    assert "account_events" in tables
    assert "position_state" in tables
    assert "trade_reconstruction" in tables
    account_row = next(row for t, row in sink.calls if t == "account_events")
    status_row = next(row for t, row in sink.calls if t == "status_snapshots")
    recon_row = next(row for t, row in sink.calls if t == "trade_reconstruction")
    assert account_row["event_type"] == "ACCOUNT_RECONCILE"
    assert status_row["phase"] == "account_reconcile"
    assert recon_row["event_type"] == "ACCOUNT_RECONCILE"
    assert "market_state_bundle_json" in recon_row