"""Deterministic equity/board-eval — the JJ-vs-65 hand Lyra kept botching."""
from __future__ import annotations

import pytest

from lyra import equity


def test_flop_equity_and_made_hands():
    r = equity.analyze(["Jh", "Js"], ["6d", "5d"], ["8c", "7d", "Ts"])
    assert r["ahead"] == "hero"
    assert r["hero_hand"] == "Pair" and r["villain_hand"] == "High Card"
    assert 75 < r["hero_equity"] < 82  # ~78.7%


def test_turn_villain_straight_and_outs_exclude_flush_card():
    r = equity.analyze(["Jh", "Js"], ["6d", "5d"], ["8c", "7d", "Ts", "4d"])
    assert r["ahead"] == "villain"
    assert r["villain_hand"] == "Straight"
    # hero's only outs are the three non-diamond nines — 9d makes villain a flush
    assert r["hero_outs"]["count"] == 3
    assert "9d" not in r["hero_outs"]["cards"]
    assert r["hero_equity"] < 10


def test_rejects_unknown_and_duplicate_cards():
    with pytest.raises(equity.EquityError):
        equity.analyze(["x", "x"], ["6d", "5d"], ["8c", "7d", "Ts"])
    with pytest.raises(equity.EquityError):
        equity.analyze(["8c", "8c"], ["6d", "5d"], ["8c", "7d", "Ts"])


def test_unknown_suits_spread_rainbow_no_phantom_flush():
    # all-unknown-suit board must not become monotone (which would inflate equity)
    r = equity.analyze(["Jx", "Jx"], ["6d", "5d"], ["8x", "7x", "Tx"])
    assert 75 < r["hero_equity"] < 82


def test_tool_dispatch():
    from lyra import tools
    out = tools.dispatch("analyze_spot", {"hero": "Jh Js", "villain": "6d 5d", "board": "8c 7d Ts 4d"})
    assert "EQUITY" in out and "Straight" in out