"""Tests for atm.main unified CLI."""
from __future__ import annotations

import asyncio
import os
import subprocess
import sys
import types
from dataclasses import dataclass
from pathlib import Path
from unittest.mock import MagicMock

import pytest


SUBCOMMANDS = ["calibrate", "label", "dryrun", "run", "journal", "report"]

# Ensure subprocess invocations find the atm package even without pip install
_SRC = str(Path(__file__).resolve().parent.parent / "src")
_SUBPROCESS_ENV = {**os.environ, "PYTHONPATH": _SRC}


# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------

def _mock_config_class(cfg=None):
    """Return a Config-like class whose load_current() returns *cfg*."""
    if cfg is None:
        cfg = MagicMock()
    mock_cls = MagicMock()
    mock_cls.load_current.return_value = cfg
    return mock_cls


# ---------------------------------------------------------------------------
# test_help_works
# ---------------------------------------------------------------------------

def test_help_works():
    result = subprocess.run(
        [sys.executable, "-m", "atm", "--help"],
        capture_output=True,
        text=True,
        env=_SUBPROCESS_ENV,
    )
    assert result.returncode == 0, result.stderr


# ---------------------------------------------------------------------------
# test_subcommands_listed
# ---------------------------------------------------------------------------

def test_subcommands_listed():
    result = subprocess.run(
        [sys.executable, "-m", "atm", "--help"],
        capture_output=True,
        text=True,
        env=_SUBPROCESS_ENV,
    )
    output = result.stdout
    for cmd in SUBCOMMANDS:
        assert cmd in output, f"Expected subcommand '{cmd}' in --help output"


# ---------------------------------------------------------------------------
# test_dryrun_wiring
# ---------------------------------------------------------------------------

@dataclass
class _DryrunResult:
    acceptance_pass: bool


def _make_dryrun_module(acceptance_pass: bool):
    mod = types.ModuleType("atm.dryrun")
    mod.dryrun = lambda *a, **kw: _DryrunResult(acceptance_pass=acceptance_pass)
    mod.print_report = lambda r: None
    return mod


def test_dryrun_wiring_pass(monkeypatch, tmp_path):
    import atm.main as _main

    monkeypatch.setattr("atm.main.dryrun", _make_dryrun_module(acceptance_pass=True))
    monkeypatch.setattr("atm.main.Config", _mock_config_class())

    with pytest.raises(SystemExit) as exc_info:
        _main.main(["dryrun", str(tmp_path)])

    assert exc_info.value.code == 0


def test_dryrun_wiring_fail(monkeypatch, tmp_path):
    import atm.main as _main

    monkeypatch.setattr("atm.main.dryrun", _make_dryrun_module(acceptance_pass=False))
    monkeypatch.setattr("atm.main.Config", _mock_config_class())

    with pytest.raises(SystemExit) as exc_info:
        _main.main(["dryrun", str(tmp_path)])

    assert exc_info.value.code == 1


# ---------------------------------------------------------------------------
# test_report_current_week_default
# ---------------------------------------------------------------------------

def test_report_current_week_default(monkeypatch, tmp_path):
    import atm.main as _main

    # Journal.all returns no entries — report should print a zero-trade week
    monkeypatch.setattr("atm.journal.Journal.all", lambda self: [])

    # Should not raise; no sys.exit expected
    _main.main(["report", "--file", str(tmp_path / "trades.jsonl")])


# ---------------------------------------------------------------------------
# test_run_live_dry
# ---------------------------------------------------------------------------

def test_run_live_dry(monkeypatch):
    import atm.main as _main

    calls: list[dict] = []

    def _mock_run_live(cfg, duration_s=None, capture_stub=False):
        calls.append({"cfg": cfg, "duration_s": duration_s, "capture_stub": capture_stub})

    monkeypatch.setattr("atm.main.run_live", _mock_run_live)
    monkeypatch.setattr("atm.main.Config", _mock_config_class())

    _main.main(["run", "--duration", "0"])

    assert len(calls) == 1
    assert calls[0]["duration_s"] == pytest.approx(0.0)


# ---------------------------------------------------------------------------
# Regression integration test — user bug 2026-04-16.
# Session starts with an accepted gray tick followed by dark_red. Catchup
# synth-arm must fire on dark_red (the previous gray consumed first_accepted),
# then light_red triggers SELL. Proves run_live wiring dispatches alerts for
# the user's exact scenario.
# ---------------------------------------------------------------------------

def test_run_live_catchup_sell_from_gray_then_dark_red(monkeypatch, tmp_path):
    import numpy as np
    import atm.main as _main
    from atm.detector import DetectionResult

    captured = []

    class FakeFanout:
        def __init__(self, *a, **kw):
            pass
        def send(self, alert):
            captured.append(alert)
        def stop(self):
            pass

    class FakeCanaryResult:
        distance = 0
        drifted = False
        paused = False

    class FakeCanary:
        def __init__(self, *a, **kw):
            self.is_paused = False
        def check(self, frame):
            return FakeCanaryResult()
        def resume(self):
            pass

    class _StopLoop(Exception):
        pass

    class ScriptedDetector:
        _script = [
            ("gray", True),
            ("gray", True),
            ("dark_red", True),
            ("dark_red", True),
            ("light_red", True),
        ]
        def __init__(self, *a, **kw):
            self._i = 0
        def step(self, ts, frame=None):
            if self._i >= len(self._script):
                raise _StopLoop
            color, accepted = self._script[self._i]
            self._i += 1
            return DetectionResult(
                ts=ts,
                window_found=True,
                dot_found=True,
                rgb=(1, 1, 1),
                match=None,
                accepted=accepted,
                color=color,
            )

    def fake_build_capture(cfg, capture_stub=False):
        return lambda: np.zeros((50, 50, 3), dtype=np.uint8)

    cfg = MagicMock()
    cfg.lockout_s = 60
    cfg.heartbeat_min = 999
    cfg.loop_interval_s = 0
    cfg.config_version = "test"
    cfg.dead_letter_path = str(tmp_path / "dl.jsonl")
    cfg.canary.drift_threshold = 10
    cfg.dot_roi.x = 0
    cfg.dot_roi.y = 0
    cfg.dot_roi.w = 10
    cfg.dot_roi.h = 10
    cfg.chart_window_region = None

    monkeypatch.chdir(tmp_path)
    class _Stub:
        def __init__(self, *a, **kw):
            pass
        def log(self, *a, **kw):
            pass
        def close(self, *a, **kw):
            pass
        def step(self, *a, **kw):
            return types.SimpleNamespace(status="pending", levels=None)

    class _StubPoller:
        def __init__(self, *a, **kw): pass
        async def run(self): await asyncio.sleep(9999)

    class _StubScheduler:
        def __init__(self, *a, **kw):
            self.is_running = False
        def start(self, interval_s): self.is_running = True
        def stop(self): self.is_running = False
        async def run(self): await asyncio.sleep(9999)

    monkeypatch.setattr("atm.detector.Detector", ScriptedDetector)
    monkeypatch.setattr("atm.canary.Canary", FakeCanary)
    monkeypatch.setattr("atm.notifier.fanout.FanoutNotifier", FakeFanout)
    monkeypatch.setattr("atm.notifier.discord.DiscordNotifier", _Stub)
    monkeypatch.setattr("atm.notifier.telegram.TelegramNotifier", _Stub)
    monkeypatch.setattr("atm.audit.AuditLog", _Stub)
    monkeypatch.setattr("atm.levels.LevelsExtractor", _Stub)
    monkeypatch.setattr("atm.main._build_capture", fake_build_capture)
    monkeypatch.setattr("atm.main.time.sleep", lambda s: None)
    monkeypatch.setattr("atm.commands.TelegramPoller", _StubPoller)
    monkeypatch.setattr("atm.scheduler.ScreenshotScheduler", _StubScheduler)

    with pytest.raises(_StopLoop):
        _main.run_live(cfg, duration_s=None)

    arm = [a for a in captured if a.kind == "arm"]
    prime = [a for a in captured if a.kind == "prime"]
    trigger = [a for a in captured if a.kind == "trigger"]

    assert len(arm) == 1, f"expected 1 arm alert, got {len(arm)} ({[a.title for a in captured]})"
    assert arm[0].direction == "SELL"
    assert "recuperare" in (arm[0].title + arm[0].body).lower()

    assert len(prime) == 1
    assert prime[0].direction == "SELL"
    assert "recuperare" in (prime[0].title + prime[0].body).lower()

    assert len(trigger) == 1
    assert trigger[0].direction == "SELL"


# ---------------------------------------------------------------------------
# MUST-HAVE: async lifecycle integration test
# IDLE → ARMED → PRIMED (auto-poll scheduler starts) → FIRE (scheduler stops)
# Tests: scheduler starts on prime, stops on fire, fire alert sent.
# ---------------------------------------------------------------------------

@pytest.mark.asyncio
async def test_lifecycle_idle_armed_primed_autopoll_fire_stop(monkeypatch, tmp_path):
    import numpy as np
    import atm.main as _main
    from atm.detector import DetectionResult

    captured_alerts: list = []
    scheduler_events: list[str] = []

    class FakeFanout:
        def __init__(self, *a, **kw): pass
        def send(self, alert): captured_alerts.append(alert)
        def stop(self): pass
        def stats(self): return {}

    class FakeCanaryResult:
        distance = 0
        drifted = False
        paused = False

    class FakeCanary:
        def __init__(self, *a, **kw): self.is_paused = False
        def check(self, frame): return FakeCanaryResult()
        def resume(self): pass

    # Scheduler tracks start/stop calls
    class FakeScheduler:
        def __init__(self, *a, **kw):
            self.is_running = False
            self.interval_s = None
        def start(self, interval_s):
            self.is_running = True
            self.interval_s = interval_s
            scheduler_events.append(f"start:{interval_s}")
        def stop(self):
            self.is_running = False
            scheduler_events.append("stop")
        async def run(self):
            await asyncio.sleep(9999)

    class FakePoller:
        def __init__(self, *a, **kw): pass
        async def run(self): await asyncio.sleep(9999)

    class _StopLoop(Exception): pass

    class ScriptedDetector:
        # turquoise→ARM, dark_green→PRIME, light_green→FIRE
        _script = [
            ("turquoise", True),
            ("dark_green", True),
            ("light_green", True),
        ]
        def __init__(self, *a, **kw): self._i = 0
        def step(self, ts, frame=None):
            if self._i >= len(self._script):
                raise _StopLoop
            color, accepted = self._script[self._i]
            self._i += 1
            return DetectionResult(ts=ts, window_found=True, dot_found=True,
                                   rgb=(1, 1, 1), match=None, accepted=accepted, color=color)
        @property
        def rolling(self): return []

    def fake_build_capture(cfg, capture_stub=False):
        return lambda: np.zeros((50, 50, 3), dtype=np.uint8)

    cfg = MagicMock()
    cfg.lockout_s = 60
    cfg.heartbeat_min = 999
    cfg.loop_interval_s = 0
    cfg.config_version = "test"
    cfg.dead_letter_path = str(tmp_path / "dl.jsonl")
    cfg.canary.drift_threshold = 10
    cfg.dot_roi.x = 0; cfg.dot_roi.y = 0; cfg.dot_roi.w = 10; cfg.dot_roi.h = 10
    cfg.chart_window_region = None
    cfg.telegram.auto_poll_interval_s = 180
    cfg.telegram.bot_token = "tok"
    cfg.telegram.chat_id = "123"
    cfg.telegram.allowed_chat_ids = ("123",)

    fake_sched = FakeScheduler()

    monkeypatch.chdir(tmp_path)

    class _Stub:
        def __init__(self, *a, **kw): pass
        def log(self, *a, **kw): pass
        def close(self, *a, **kw): pass
        def step(self, *a, **kw): return types.SimpleNamespace(status="pending", levels=None)

    monkeypatch.setattr("atm.detector.Detector", ScriptedDetector)
    monkeypatch.setattr("atm.canary.Canary", FakeCanary)
    monkeypatch.setattr("atm.notifier.fanout.FanoutNotifier", FakeFanout)
    monkeypatch.setattr("atm.notifier.discord.DiscordNotifier", _Stub)
    monkeypatch.setattr("atm.notifier.telegram.TelegramNotifier", _Stub)
    monkeypatch.setattr("atm.audit.AuditLog", _Stub)
    monkeypatch.setattr("atm.levels.LevelsExtractor", _Stub)
    monkeypatch.setattr("atm.main._build_capture", fake_build_capture)
    monkeypatch.setattr("atm.commands.TelegramPoller", FakePoller)
    monkeypatch.setattr("atm.scheduler.ScreenshotScheduler", lambda *a, **kw: fake_sched)

    with pytest.raises(_StopLoop):
        await _main.run_live_async(cfg, duration_s=None)

    arm_alerts = [a for a in captured_alerts if a.kind == "arm"]
    prime_alerts = [a for a in captured_alerts if a.kind == "prime"]
    trigger_alerts = [a for a in captured_alerts if a.kind == "trigger"]

    assert len(arm_alerts) == 1, f"expected 1 arm, got {[a.title for a in captured_alerts]}"
    assert arm_alerts[0].direction == "BUY"

    assert len(prime_alerts) == 1
    assert prime_alerts[0].direction == "BUY"

    assert len(trigger_alerts) == 1
    assert trigger_alerts[0].direction == "BUY"

    # Scheduler must have started (on PRIME) and stopped (on FIRE)
    assert "start:180" in scheduler_events, f"scheduler not started: {scheduler_events}"
    assert "stop" in scheduler_events, f"scheduler not stopped: {scheduler_events}"
    start_idx = scheduler_events.index("start:180")
    stop_idx = scheduler_events.index("stop")
    assert start_idx < stop_idx, "scheduler started after it stopped"


# ---------------------------------------------------------------------------
# Commit 1 regression tests: _drain_cmd_queue MUST run unconditionally,
# even when canary is paused or when detection is otherwise skipped.
# Prior bug: `continue` past the drain loop caused commands to pile up.
# ---------------------------------------------------------------------------

def _make_ctx_for_drain(cmd_queue, dispatched: list):
    """Build a minimal RunContext where _dispatch_command just records calls."""
    import atm.main as _main

    class _FakeAudit:
        def __init__(self): self.events = []
        def log(self, e): self.events.append(e)

    class _FakeNotifier:
        def __init__(self): self.alerts = []
        def send(self, a): self.alerts.append(a)

    class _FakeCanary:
        def __init__(self, paused=True):
            self.is_paused = paused

    class _FakeScheduler:
        is_running = False
        interval_s = None
        def start(self, s): pass
        def stop(self): pass

    state = _main._LoopState(start=0.0)
    ctx = _main.RunContext(
        cfg=MagicMock(),
        capture=lambda: None,
        canary=_FakeCanary(paused=True),
        detector=MagicMock(),
        fsm=MagicMock(),
        notifier=_FakeNotifier(),
        audit=_FakeAudit(),
        detection_log=_FakeAudit(),
        scheduler=_FakeScheduler(),
        samples_dir=Path("."),
        fires_dir=Path("."),
        cmd_queue=cmd_queue,
        state=state,
        levels_extractor_factory=lambda *a, **kw: None,
    )
    return ctx


@pytest.mark.asyncio
async def test_drain_works_when_canary_paused(monkeypatch):
    """Regression: when canary.is_paused, _drain_cmd_queue still dispatches.

    Prior bug: detection loop `continue`'d past the drain block whenever the
    tick returned res=None (canary paused). Commands accumulated forever.
    """
    import atm.main as _main
    from atm.commands import Command

    q: asyncio.Queue = asyncio.Queue()
    await q.put(Command(action="status"))
    await q.put(Command(action="ss"))

    dispatched: list = []

    async def _fake_dispatch(ctx, cmd):
        dispatched.append(cmd.action)

    monkeypatch.setattr(_main, "_dispatch_command", _fake_dispatch)

    ctx = _make_ctx_for_drain(q, dispatched)

    await _main._drain_cmd_queue(ctx)

    assert dispatched == ["status", "ss"]
    assert q.empty()


@pytest.mark.asyncio
async def test_drain_works_when_out_of_window(monkeypatch):
    """Drain must still fire when the tick skipped (e.g. out of operating hours).

    The refactored loop runs _drain_cmd_queue unconditionally after every tick,
    regardless of `_TickSyncResult` content.
    """
    import atm.main as _main
    from atm.commands import Command

    q: asyncio.Queue = asyncio.Queue()
    await q.put(Command(action="stop"))

    dispatched: list = []

    async def _fake_dispatch(ctx, cmd):
        dispatched.append(cmd.action)

    monkeypatch.setattr(_main, "_dispatch_command", _fake_dispatch)

    ctx = _make_ctx_for_drain(q, dispatched)
    # Simulate out-of-window tick (empty _TickSyncResult, no res)
    await _main._handle_fsm_result(ctx, _main._TickSyncResult())
    await _main._drain_cmd_queue(ctx)

    assert dispatched == ["stop"]


@pytest.mark.asyncio
async def test_drain_isolates_dispatch_exceptions(monkeypatch):
    """If one command raises, remaining commands still drain + warn alert sent."""
    import atm.main as _main
    from atm.commands import Command

    q: asyncio.Queue = asyncio.Queue()
    await q.put(Command(action="status"))
    await q.put(Command(action="ss"))

    attempts: list = []

    async def _fake_dispatch(ctx, cmd):
        attempts.append(cmd.action)
        if cmd.action == "status":
            raise RuntimeError("boom")

    monkeypatch.setattr(_main, "_dispatch_command", _fake_dispatch)

    ctx = _make_ctx_for_drain(q, attempts)
    await _main._drain_cmd_queue(ctx)

    assert attempts == ["status", "ss"]
    # warn alert for the failed command
    warn_titles = [a.title for a in ctx.notifier.alerts if a.kind == "warn"]
    assert any("status" in t for t in warn_titles)
    # command_error audit event
    errs = [e for e in ctx.audit.events if e.get("event") == "command_error"]
    assert len(errs) == 1 and errs[0]["action"] == "status"


# ---------------------------------------------------------------------------
# Commit 4: operating hours + LifecycleState transitions
# ---------------------------------------------------------------------------

from zoneinfo import ZoneInfo as _ZI  # noqa: E402
import datetime as _dt  # noqa: E402


def _oh_cfg(enabled=True, weekdays=("MON", "TUE", "WED", "THU", "FRI"),
            start="09:30", stop="16:00", tz="America/New_York"):
    """Build a lightweight cfg-like object with operating_hours populated."""
    oh = types.SimpleNamespace(
        enabled=enabled,
        timezone=tz,
        weekdays=weekdays,
        start_hhmm=start,
        stop_hhmm=stop,
        _tz_cache=_ZI(tz) if enabled else None,
    )
    return types.SimpleNamespace(operating_hours=oh, window_title=None)


def _fake_canary(paused=False):
    return types.SimpleNamespace(is_paused=paused)


@pytest.mark.parametrize(
    "local_dt,expected",
    [
        # Monday 09:30 NY — exact open → active (None)
        (_dt.datetime(2026, 4, 20, 9, 30), None),
        # Monday 16:00 NY — exact close → inactive (>= stop)
        (_dt.datetime(2026, 4, 20, 16, 0), "out_of_window_hours"),
        # Monday 08:00 NY — before open
        (_dt.datetime(2026, 4, 20, 8, 0), "out_of_window_hours"),
        # Monday 12:00 NY — active
        (_dt.datetime(2026, 4, 20, 12, 0), None),
        # Saturday 12:00 NY — weekend
        (_dt.datetime(2026, 4, 18, 12, 0), "out_of_window_weekend"),
        # Sunday 23:00 NY — weekend
        (_dt.datetime(2026, 4, 19, 23, 0), "out_of_window_weekend"),
    ],
)
def test_operating_hours_skip_matrix(local_dt, expected):
    """Timezone-aware start/stop + weekday checks."""
    import atm.main as _main

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    now_ts = local_dt.replace(tzinfo=tz).timestamp()

    lifecycle = _main.LifecycleState()
    result = _main._should_skip(now_ts, lifecycle, cfg, _fake_canary())
    assert result == expected


def test_market_open_close_transitions_logged_once():
    """Crossing a boundary emits exactly one market_open / market_closed event."""
    import atm.main as _main

    audit_events = []
    alerts = []

    class _A:
        def log(self, e): audit_events.append(e)

    class _N:
        def send(self, a): alerts.append(a)

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    lifecycle = _main.LifecycleState()
    canary = _fake_canary()

    # Prime as closed (before open, Monday 08:00)
    pre_open = _dt.datetime(2026, 4, 20, 8, 0, tzinfo=tz).timestamp()
    skip_pre = _main._should_skip(pre_open, lifecycle, cfg, canary)
    _main._maybe_log_transition(skip_pre, lifecycle, pre_open, _A(), _N())
    # First evaluation seeds state, no alert yet.
    assert lifecycle.last_window_state == "closed"
    assert alerts == []
    assert audit_events == []

    # Transition to open
    mid = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    skip_mid = _main._should_skip(mid, lifecycle, cfg, canary)
    _main._maybe_log_transition(skip_mid, lifecycle, mid, _A(), _N())
    assert lifecycle.last_window_state == "open"
    assert len(alerts) == 1
    assert any(e.get("event") == "market_open" for e in audit_events)

    # Repeated open tick — no duplicate log
    alerts.clear()
    audit_events.clear()
    skip_mid2 = _main._should_skip(mid + 60, lifecycle, cfg, canary)
    _main._maybe_log_transition(skip_mid2, lifecycle, mid + 60, _A(), _N())
    assert alerts == []
    assert audit_events == []

    # Transition to close
    close = _dt.datetime(2026, 4, 20, 17, 0, tzinfo=tz).timestamp()
    skip_close = _main._should_skip(close, lifecycle, cfg, canary)
    _main._maybe_log_transition(skip_close, lifecycle, close, _A(), _N())
    assert lifecycle.last_window_state == "closed"
    assert any(e.get("event") == "market_closed" for e in audit_events)


def test_market_transition_sends_notification():
    """market_open / market_closed transitions produce kind=status alerts."""
    import atm.main as _main

    alerts = []

    class _A:
        def log(self, e): pass

    class _N:
        def send(self, a): alerts.append(a)

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    lifecycle = _main.LifecycleState(last_window_state="closed")

    mid = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    _main._maybe_log_transition(None, lifecycle, mid, _A(), _N())
    assert len(alerts) == 1
    assert alerts[0].kind == "status"
    assert "piața" in alerts[0].title.lower() or "monitorizare" in alerts[0].body.lower()


def test_startup_in_window_suppresses_market_open():
    """R2 #20: first evaluation in-window just seeds state; no alert fires."""
    import atm.main as _main

    alerts = []
    events = []

    class _A:
        def log(self, e): events.append(e)

    class _N:
        def send(self, a): alerts.append(a)

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    lifecycle = _main.LifecycleState()  # last_window_state is None

    in_window = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    skip = _main._should_skip(in_window, lifecycle, cfg, _fake_canary())
    assert skip is None
    _main._maybe_log_transition(skip, lifecycle, in_window, _A(), _N())

    # Seeded silently
    assert lifecycle.last_window_state == "open"
    assert alerts == []
    assert not any(e.get("event") == "market_open" for e in events)

    # Two more ticks, still in-window → no spurious alert
    for _ in range(2):
        skip = _main._should_skip(in_window + 60, lifecycle, cfg, _fake_canary())
        _main._maybe_log_transition(skip, lifecycle, in_window + 60, _A(), _N())
    assert alerts == []


def test_operating_hours_weekday_locale_independent():
    """R2 #22: weekday check must not depend on process locale (strftime('%a'))."""
    import locale as _locale
    import atm.main as _main

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    # Saturday 12:00 NY
    sat = _dt.datetime(2026, 4, 18, 12, 0, tzinfo=tz).timestamp()

    original = _locale.setlocale(_locale.LC_TIME)
    try:
        for loc in ("C", "de_DE.UTF-8"):
            try:
                _locale.setlocale(_locale.LC_TIME, loc)
            except _locale.Error:
                continue  # locale not installed → skip gracefully
            lifecycle = _main.LifecycleState()
            result = _main._should_skip(sat, lifecycle, cfg, _fake_canary())
            assert result == "out_of_window_weekend", (
                f"locale={loc} returned {result!r}"
            )
    finally:
        try:
            _locale.setlocale(_locale.LC_TIME, original)
        except _locale.Error:
            _locale.setlocale(_locale.LC_TIME, "C")


def test_should_skip_user_paused_wins():
    import atm.main as _main
    cfg = _oh_cfg()
    lifecycle = _main.LifecycleState(user_paused=True)
    # Mid-Monday (in-window) — should still skip because user_paused
    tz = cfg.operating_hours._tz_cache
    mid = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    assert _main._should_skip(mid, lifecycle, cfg, _fake_canary()) == "user_paused"


def test_should_skip_canary_drift_wins_over_window():
    import atm.main as _main
    cfg = _oh_cfg()
    lifecycle = _main.LifecycleState()
    tz = cfg.operating_hours._tz_cache
    mid = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    assert _main._should_skip(mid, lifecycle, cfg, _fake_canary(paused=True)) == "drift_paused"


# ---------------------------------------------------------------------------
# Commit 5: /pause /resume dispatch (plan tests #11-15, #16, R2 #21)
# ---------------------------------------------------------------------------

def _dispatch_ctx(canary=None, lifecycle=None, cfg=None):
    """Minimal RunContext for _dispatch_command unit tests."""
    import atm.main as _main

    class _A:
        def __init__(self): self.events = []
        def log(self, e): self.events.append(e)

    class _N:
        def __init__(self): self.alerts = []
        def send(self, a): self.alerts.append(a)

    class _S:
        is_running = False
        interval_s = None
        def start(self, s): self.is_running = True
        def stop(self): self.is_running = False

    if canary is None:
        canary = types.SimpleNamespace(is_paused=False, resume=lambda: None)
    if lifecycle is None:
        lifecycle = _main.LifecycleState()
    if cfg is None:
        cfg = MagicMock()
        cfg.telegram.auto_poll_interval_s = 180
        cfg.operating_hours = types.SimpleNamespace(enabled=False, _tz_cache=None)

    state = _main._LoopState(start=0.0)
    ctx = _main.RunContext(
        cfg=cfg, capture=lambda: None, canary=canary,
        detector=MagicMock(), fsm=MagicMock(),
        notifier=_N(), audit=_A(), detection_log=_A(),
        scheduler=_S(), samples_dir=Path("."), fires_dir=Path("."),
        cmd_queue=MagicMock(), state=state,
        levels_extractor_factory=lambda *a, **kw: None,
        lifecycle=lifecycle,
    )
    return ctx


@pytest.mark.asyncio
async def test_pause_command_sets_user_paused_and_skips_detection():
    import atm.main as _main
    from atm.commands import Command

    ctx = _dispatch_ctx()
    await _main._dispatch_command(ctx, Command(action="pause"))

    assert ctx.lifecycle.user_paused is True
    # When combined with _should_skip, we get user_paused
    assert _main._should_skip(0.0, ctx.lifecycle, ctx.cfg, ctx.canary) == "user_paused"
    # Audit + notif
    assert any(e.get("event") == "user_paused" for e in ctx.audit.events)
    assert any(a.kind == "status" and "oprit" in a.title.lower() for a in ctx.notifier.alerts)


@pytest.mark.asyncio
async def test_resume_clears_user_paused_and_canary_when_forced():
    import atm.main as _main
    from atm.commands import Command

    canary_state = {"paused": True}
    canary = types.SimpleNamespace(
        is_paused=True,
        resume=lambda: canary_state.__setitem__("paused", False),
    )
    # Re-bind is_paused via property so resume() effect is visible
    class _Canary:
        def __init__(self): self._p = True
        @property
        def is_paused(self): return self._p
        def resume(self): self._p = False
    canary = _Canary()

    ctx = _dispatch_ctx(canary=canary)
    ctx.lifecycle.user_paused = True

    await _main._dispatch_command(ctx, Command(action="resume", value=1))

    assert ctx.lifecycle.user_paused is False
    assert canary.is_paused is False
    force_events = [e for e in ctx.audit.events if e.get("event") == "user_resumed"]
    assert force_events and force_events[0]["force"] is True


@pytest.mark.asyncio
async def test_resume_plain_also_clears_canary_drift():
    """2026-04-21 decision: /resume (no arg) now clears BOTH user_paused and
    canary drift. /resume force remains accepted as legacy alias. Previous
    behavior (force required for drift) was a UX trap — see plan doc."""
    import atm.main as _main
    from atm.commands import Command

    class _Canary:
        def __init__(self): self._p = True
        @property
        def is_paused(self): return self._p
        def resume(self): self._p = False
    canary = _Canary()

    ctx = _dispatch_ctx(canary=canary)
    ctx.lifecycle.user_paused = True

    await _main._dispatch_command(ctx, Command(action="resume"))  # no force

    assert ctx.lifecycle.user_paused is False
    assert canary.is_paused is False  # drift cleared without force
    # Audit event still records was_drift + force=False for traceability
    resumed = [e for e in ctx.audit.events if e.get("event") == "user_resumed"]
    assert resumed and resumed[0]["was_drift"] is True and resumed[0]["force"] is False
    # Message mentions drift-pause was cleared
    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    assert status and ("drift" in (status[0].title + status[0].body).lower())


@pytest.mark.asyncio
async def test_resume_force_alias_still_works():
    """/resume force (value=1) remains accepted — legacy muscle memory."""
    import atm.main as _main
    from atm.commands import Command

    class _Canary:
        def __init__(self): self._p = True
        @property
        def is_paused(self): return self._p
        def resume(self): self._p = False
    canary = _Canary()

    ctx = _dispatch_ctx(canary=canary)
    ctx.lifecycle.user_paused = True

    await _main._dispatch_command(ctx, Command(action="resume", value=1))

    assert ctx.lifecycle.user_paused is False
    assert canary.is_paused is False
    resumed = [e for e in ctx.audit.events if e.get("event") == "user_resumed"]
    assert resumed and resumed[0]["force"] is True


@pytest.mark.asyncio
async def test_resume_out_of_window_responds_with_pending_message():
    """/resume while operating-hours window is closed → special body."""
    import atm.main as _main
    from atm.commands import Command

    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    lifecycle = _main.LifecycleState(user_paused=True, last_window_state="closed")
    canary = types.SimpleNamespace(is_paused=False, resume=lambda: None)

    ctx = _dispatch_ctx(canary=canary, lifecycle=lifecycle, cfg=cfg)

    # Pin time to Saturday
    import atm.main as _mm
    real_time = _mm.time
    fake_ts = _dt.datetime(2026, 4, 18, 12, 0, tzinfo=tz).timestamp()
    class _FakeTime:
        def time(self): return fake_ts
        def monotonic(self): return 0.0
    _mm.time = _FakeTime()
    try:
        await _main._dispatch_command(ctx, Command(action="resume"))
    finally:
        _mm.time = real_time

    assert ctx.lifecycle.user_paused is False
    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    assert status
    combined = (status[0].title + status[0].body).lower()
    assert "închis" in combined or "piața" in combined or "ferestr" in combined


@pytest.mark.asyncio
async def test_status_command_reports_pause_reason():
    """/status body must mention pause reason + window state."""
    import atm.main as _main
    from atm.commands import Command

    ctx = _dispatch_ctx()
    ctx.lifecycle.user_paused = True
    # Stub detector.rolling for status
    ctx.detector.rolling = []
    ctx.fsm.state = types.SimpleNamespace(value="IDLE")

    await _main._dispatch_command(ctx, Command(action="status"))

    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    assert status
    body = status[0].body
    assert "pauză manuală" in body or "pauza" in body.lower()


@pytest.mark.asyncio
async def test_set_interval_refused_while_canary_paused():
    """2026-04-21: /set_interval must not start scheduler while canary is drift-paused.
    Previously started scheduler silently, misleading the user into thinking
    detection was live. Now emits a warn and refuses."""
    import atm.main as _main
    from atm.commands import Command

    canary = types.SimpleNamespace(is_paused=True, resume=lambda: None)
    ctx = _dispatch_ctx(canary=canary)

    await _main._dispatch_command(ctx, Command(action="set_interval", value=60))

    # Scheduler must NOT have started
    assert ctx.scheduler.is_running is False
    # No scheduler_started audit event
    assert not any(e.get("event") == "scheduler_started" for e in ctx.audit.events)
    # A warn alert must have been sent referencing /resume
    warns = [a for a in ctx.notifier.alerts if a.kind == "warn"]
    assert warns
    combined = (warns[0].title + warns[0].body).lower()
    assert "drift" in combined and "/resume" in combined


@pytest.mark.asyncio
async def test_ss_includes_warn_body_while_canary_paused(monkeypatch, tmp_path):
    """2026-04-21: /ss still captures while canary is paused, but the alert body
    must warn that detection is off."""
    import atm.main as _main
    from atm.commands import Command

    canary = types.SimpleNamespace(is_paused=True, resume=lambda: None)
    ctx = _dispatch_ctx(canary=canary)

    # Bypass window focus + use a simple non-None capture result
    fake_frame = object()
    ctx = types.SimpleNamespace(**{**ctx.__dict__})  # shallow copy RunContext fields
    # Simpler: just override the capture and save functions used
    async_capture_called = {"n": 0}
    def _capture():
        async_capture_called["n"] += 1
        return fake_frame
    ctx.capture = _capture
    ctx.fires_dir = tmp_path
    # window_title off so we skip focus branch
    ctx.cfg.window_title = None
    # stub _save_annotated_frame to return a dummy path
    monkeypatch.setattr(_main, "_save_annotated_frame",
                        lambda *a, **kw: tmp_path / "fake_ss.png")

    await _main._dispatch_command(ctx, Command(action="ss"))

    screenshots = [a for a in ctx.notifier.alerts if a.kind == "screenshot"]
    assert screenshots
    assert "DETECȚIE OPRITĂ" in screenshots[0].body or "drift" in screenshots[0].body.lower()
    assert "/resume" in screenshots[0].body


@pytest.mark.asyncio
async def test_ss_no_warn_when_canary_healthy(monkeypatch, tmp_path):
    """/ss body must be empty when canary is not paused (no warn noise)."""
    import atm.main as _main
    from atm.commands import Command

    canary = types.SimpleNamespace(is_paused=False, resume=lambda: None)
    ctx = _dispatch_ctx(canary=canary)
    ctx.capture = lambda: object()
    ctx.fires_dir = tmp_path
    ctx.cfg.window_title = None
    monkeypatch.setattr(_main, "_save_annotated_frame",
                        lambda *a, **kw: tmp_path / "fake_ss.png")

    await _main._dispatch_command(ctx, Command(action="ss"))

    screenshots = [a for a in ctx.notifier.alerts if a.kind == "screenshot"]
    assert screenshots
    assert screenshots[0].body == ""


@pytest.mark.asyncio
async def test_lifecycle_with_drift_then_resume_then_fire(monkeypatch, tmp_path):
    """E2E #16: drift paused → /resume force → dark_red/light_red produce FIRE alert.

    This test verifies the full command-driven lifecycle in isolation:
    - canary starts drift-paused, _should_skip returns drift_paused
    - /resume force clears canary + user_paused
    - subsequent detection produces SELL fire through normal FSM path
    """
    import atm.main as _main
    from atm.commands import Command

    # Canary with mutable pause state
    class _Canary:
        def __init__(self): self._p = True
        @property
        def is_paused(self): return self._p
        def resume(self): self._p = False

    canary = _Canary()
    cfg = MagicMock()
    cfg.telegram.auto_poll_interval_s = 180
    cfg.operating_hours = types.SimpleNamespace(enabled=False, _tz_cache=None)

    ctx = _dispatch_ctx(canary=canary, cfg=cfg)

    # 1. While drift-paused, _should_skip returns drift_paused
    assert _main._should_skip(0.0, ctx.lifecycle, cfg, canary) == "drift_paused"

    # 2. User issues /resume force
    await _main._dispatch_command(ctx, Command(action="resume", value=1))
    assert canary.is_paused is False
    assert _main._should_skip(0.0, ctx.lifecycle, cfg, canary) is None

    # 3. Feed a yellow→light_red sequence through _handle_tick (FSM path)
    from atm.state_machine import StateMachine, State
    fsm = StateMachine(lockout_s=60)

    class _N:
        def __init__(self): self.alerts = []
        def send(self, a): self.alerts.append(a)

    class _A:
        def log(self, _e): pass

    notif = _N()
    audit = _A()
    cfg_mock = types.SimpleNamespace(alerts=types.SimpleNamespace(fire_on_phase_skip=True))

    _main._handle_tick(fsm, "yellow", 1.0, notif, audit, first_accepted=False, cfg=cfg_mock)
    _main._handle_tick(fsm, "dark_red", 2.0, notif, audit, first_accepted=False, cfg=cfg_mock)
    tr = _main._handle_tick(fsm, "light_red", 3.0, notif, audit, first_accepted=False, cfg=cfg_mock)

    # FSM reached fire via normal path
    assert tr is not None and tr.trigger == "SELL"
    assert fsm.state == State.IDLE


# ---------------------------------------------------------------------------
# _in_trading_window tests
# ---------------------------------------------------------------------------

import datetime as _dt


def test_in_trading_window_disabled():
    """Returns True when operating_hours disabled."""
    import atm.main as _main
    cfg = types.SimpleNamespace(operating_hours=types.SimpleNamespace(enabled=False))
    assert _main._in_trading_window(0.0, cfg) is True


def test_in_trading_window_no_oh():
    """Returns True when cfg has no operating_hours attr."""
    import atm.main as _main
    cfg = types.SimpleNamespace()
    assert _main._in_trading_window(0.0, cfg) is True


def test_in_trading_window_in_window():
    """Returns True during configured hours (Monday 12:00 NY)."""
    import atm.main as _main
    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    ts = _dt.datetime(2026, 4, 20, 12, 0, tzinfo=tz).timestamp()
    assert _main._in_trading_window(ts, cfg) is True


def test_in_trading_window_out_of_hours():
    """Returns False before market open (Monday 08:00 NY)."""
    import atm.main as _main
    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    ts = _dt.datetime(2026, 4, 20, 8, 0, tzinfo=tz).timestamp()
    assert _main._in_trading_window(ts, cfg) is False


def test_in_trading_window_weekend():
    """Returns False on weekend (Sunday 12:00 NY)."""
    import atm.main as _main
    cfg = _oh_cfg()
    tz = cfg.operating_hours._tz_cache
    ts = _dt.datetime(2026, 4, 19, 12, 0, tzinfo=tz).timestamp()
    assert _main._in_trading_window(ts, cfg) is False


def test_heartbeat_suppressed_outside_hours(monkeypatch):
    """_in_trading_window=False prevents heartbeat from sending."""
    import atm.main as _main
    monkeypatch.setattr(_main, "_in_trading_window", lambda ts, cfg: False)
    sent = []
    # Simulate the check: outside window → no send
    if not _main._in_trading_window(0.0, None):
        pass  # heartbeat_due reset, continue — no send
    assert sent == []


def test_build_heartbeat_alert_active_when_not_paused():
    """Healthy state → title=activ, body shows fsm.state plainly."""
    import atm.main as _main
    a = _main._build_heartbeat_alert(
        fsm_state="ARMED_BUY", fire_count=2, uptime_h=1.5, canary_paused=False,
    )
    assert a.kind == "heartbeat"
    assert a.title == "activ"
    assert "ARMED_BUY" in a.body
    assert "[drift-pause]" not in a.body
    assert "semnale: 2" in a.body


def test_build_heartbeat_alert_paused_when_canary_drift():
    """2026-04-21: heartbeat must reflect canary drift instead of lying with 'activ'."""
    import atm.main as _main
    a = _main._build_heartbeat_alert(
        fsm_state="ARMED_SELL", fire_count=0, uptime_h=3.2, canary_paused=True,
    )
    assert a.kind == "heartbeat"
    assert "pauzat" in a.title
    assert "drift" in a.title.lower()
    assert "ARMED_SELL" in a.body
    assert "[drift-pause]" in a.body


@pytest.mark.asyncio
async def test_status_compact_active():
    """/status produces compact 2-line format; 'Canary' absent."""
    import atm.main as _main
    from atm.commands import Command

    ctx = _dispatch_ctx()
    ctx.detector.rolling = []
    ctx.fsm.state = types.SimpleNamespace(value="ARMED_BUY")
    ctx.state.fire_count = 3

    await _main._dispatch_command(ctx, Command(action="status"))

    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    assert status
    body = status[0].body
    lines = body.splitlines()
    assert len(lines) == 2  # no fereastră line (oh.enabled=False)
    assert "ARMED_BUY" in lines[0]
    assert "semnale: 3" in lines[0]
    assert "Canary" not in body
    assert "canary" not in body


@pytest.mark.asyncio
async def test_status_compact_paused_manual():
    """/status shows 'pauză manuală' on line 1 when user_paused."""
    import atm.main as _main
    from atm.commands import Command

    ctx = _dispatch_ctx()
    ctx.lifecycle.user_paused = True
    ctx.detector.rolling = []
    ctx.fsm.state = types.SimpleNamespace(value="IDLE")

    await _main._dispatch_command(ctx, Command(action="status"))

    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    body = status[0].body
    assert body.startswith("pauză manuală")


@pytest.mark.asyncio
async def test_status_window_line_when_oh_enabled():
    """/status adds fereastră line when operating_hours enabled."""
    import atm.main as _main
    from atm.commands import Command

    cfg = _oh_cfg()
    lifecycle = _main.LifecycleState(last_window_state="open")
    ctx = _dispatch_ctx(lifecycle=lifecycle, cfg=cfg)
    ctx.detector.rolling = []
    ctx.fsm.state = types.SimpleNamespace(value="IDLE")

    await _main._dispatch_command(ctx, Command(action="status"))

    status = [a for a in ctx.notifier.alerts if a.kind == "status"]
    body = status[0].body
    assert "fereastră: deschisă" in body