import sys, os; sys.path.insert(0, "src")
os.environ["BUDDY_FORCE_FAKE_RUNTIME"] = "1"
from buddy_fusion.fusion import Lineage
from buddy_fusion.fallback import fallback_genome, suggest_tweaks_fallback
from buddy_fusion.runtime import FakeBuddyRuntime
from buddy_fusion.fusion_ui import _parse_chip, _bench_side_html, _pool_sample, TWEAK_POOL


def _lin_with_two():
    lin = Lineage()
    a = lin.add(fallback_genome(1, "chick"))
    b = lin.add(fallback_genome(2, "frog"))
    return lin, a.id, b.id


def test_bench_side_bubbles_carry_side_and_full_sentence():
    # Hint bubbles float in the scene; each shows a full sentence verbatim AND
    # carries that same sentence in data-prompt (what the tweak receives).
    lin, a, _b = _lin_with_two()
    hints = ["Add two curved horns", "Give it a pair of wings",
             "Add a long swishy tail", "Add big round eyes"]
    html = _bench_side_html(lin, a, "A", hints)
    assert html.count("buddy-bubble") == len(hints)
    assert 'data-side="A"' in html
    for s in hints:
        assert f'data-prompt="{s}"' in html
        assert f">{s}</button>" in html


def test_bench_side_drops_swatches_and_keeps_scene_and_name():
    lin, a, _b = _lin_with_two()
    html = _bench_side_html(lin, a, "A", ["Add a tail"] * 4)
    assert "buddy-bench-scene" in html
    assert "buddy-voxel-root" in html
    assert lin.get(a).genome.name in html
    assert "buddy-swatch" not in html  # palette swatches removed


def test_bench_side_html_empty_slot_is_from_scratch_panel():
    lin, _a, _b = _lin_with_two()
    html = _bench_side_html(lin, None, "A")
    assert "buddy-bench-cell empty" in html
    assert "Build from scratch" in html  # invites a from-scratch description
    assert "buddy-bubble" not in html     # no AI hint bubbles on an empty slot


def test_bench_side_html_empty_slot_tolerates_no_lineage():
    # FreeLand opens the bench with both slots empty; the panel must not need a
    # lineage (cid is None short-circuits before lin.get is touched).
    html = _bench_side_html(None, None, "B")
    assert "buddy-bench-cell empty" in html
    assert "Build from scratch" in html


def test_pool_sample_returns_four_distinct():
    s = _pool_sample()
    assert len(s) == 4 and len(set(s)) == 4
    assert all(x in TWEAK_POOL for x in s)


def test_suggest_tweaks_fallback_returns_four_nonempty():
    out = suggest_tweaks_fallback([{"x": 0, "y": 0, "z": 0, "w": 2, "h": 2, "d": 2}])
    assert len(out) == 4 and all(isinstance(x, str) and x.strip() for x in out)


def test_fake_runtime_suggest_tweaks_returns_four():
    out = FakeBuddyRuntime().suggest_tweaks([{}, {}, {}])
    assert len(out) == 4 and all(isinstance(x, str) and x.strip() for x in out)


def test_parse_chip_valid_trims_prompt():
    side, prompt = _parse_chip('{"side": "B", "prompt": "  add wings "}')
    assert side == "B"
    assert prompt == "add wings"


def test_parse_chip_rejects_bad_side_and_garbage():
    assert _parse_chip('{"side": "Z", "prompt": "x"}') == (None, "")
    assert _parse_chip("not json") == (None, "")