"""Conversation modes: tool gating, mode persistence, stack tracking + HUD."""
from __future__ import annotations

import importlib

import pytest


@pytest.fixture
def lyra(tmp_path, monkeypatch):
    monkeypatch.setenv("LYRA_DB_PATH", str(tmp_path / "test.db"))
    from lyra import llm
    monkeypatch.setattr(llm, "embed", lambda texts: [[0.1, 0.2, 0.3] for _ in texts])
    import lyra.memory as memory
    importlib.reload(memory)
    import lyra.poker as poker
    importlib.reload(poker)
    import lyra.modes as modes
    importlib.reload(modes)
    import lyra.tools as tools
    importlib.reload(tools)
    return memory, poker, modes, tools


def _names(specs):
    return {s["function"]["name"] for s in specs}


def test_tool_gating_by_mode(lyra):
    _, _, modes, tools = lyra
    talk = _names(tools.specs(modes.TALK.tools))
    cash = _names(tools.specs(modes.CASH.tools))

    # Cash is the full live toolset.
    assert {"log_hand", "log_stack", "analyze_spot", "end_session"} <= cash
    # Talk hides the live write tools...
    assert "log_hand" not in talk and "log_stack" not in talk
    # ...but keeps her agency + read-only lookups + the session entry point.
    assert {"journal_write", "note", "player_profile", "start_session"} <= talk
    # No allow-list = every registered tool.
    assert _names(tools.specs()) == set(tools.TOOLS)


def test_every_mode_tool_exists(lyra):
    _, _, modes, tools = lyra
    for mode in modes.MODES.values():
        assert set(mode.tools) <= set(tools.TOOLS), f"{mode.key} references unknown tools"


def test_mode_resolution_and_persistence(lyra):
    memory, _, modes, _ = lyra
    assert modes.get(None).key == modes.DEFAULT
    assert modes.get("nonsense").key == modes.DEFAULT
    assert modes.get("poker_cash") is modes.CASH

    memory.ensure_session("s1")
    assert memory.get_session_mode("s1") is None  # unset -> caller applies default
    memory.set_session_mode("s1", "poker_cash")
    assert memory.get_session_mode("s1") == "poker_cash"
    # set on an unknown session creates the row
    memory.set_session_mode("s2", "conversation")
    assert memory.get_session_mode("s2") == "conversation"


def test_stack_log_and_live_net(lyra):
    _, poker, _, _ = lyra
    poker.start_session(venue="Meadows", stakes="2/5", buy_in=500)
    assert poker.current_stack() is None  # nothing logged yet

    st = poker.log_stack(700)
    assert st["current"] == 700 and st["net"] == 200  # up 200 on a 500 buy-in
    poker.log_stack(350)
    assert poker.current_stack() == 350
    assert poker.stack_state()["net"] == -150
    assert len(poker.stack_log()) == 2


def test_log_stack_requires_live_session(lyra):
    _, poker, _, _ = lyra
    with pytest.raises(ValueError):
        poker.log_stack(300)


def test_hud_bundle(lyra):
    _, poker, _, _ = lyra
    assert poker.hud() is None  # no session -> nothing to show

    sid = poker.start_session(venue="Meadows", stakes="2/5", game="NLH", buy_in=500)
    poker.log_stack(620)
    poker.log_hand(position="BTN", hole_cards="AKs", result=120, tag="confidence")
    poker.add_read(note="3bets light from the SB", name="Round Mike", seat="SB")

    hud = poker.hud()
    assert hud["session"]["id"] == sid and hud["session"]["stakes"] == "2/5"
    assert hud["stack"]["current"] == 620 and hud["stack"]["net"] == 120
    assert len(hud["stack"]["log"]) == 1
    assert len(hud["hands"]) == 1 and hud["hands"][0]["hole_cards"] == "AKs"
    assert any(v["name"] == "Round Mike" for v in hud["villains"])
    assert hud["stats"]["hands_logged"] == 1


def test_log_stack_tool_handler(lyra):
    _, poker, _, tools = lyra
    poker.start_session(stakes="1/3", buy_in=300)
    out = tools.dispatch("log_stack", {"amount": 450}, {})
    assert "450" in out and "150" in out  # confirms stack + live net
    # graceful when there's no number
    assert "number" in tools.dispatch("log_stack", {}, {}).lower()