"""Offscreen test: the Joinery panel shows only the inputs each feature uses."""
import os

import pytest

os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
pytest.importorskip("PySide6")

from PySide6.QtWidgets import QApplication  # noqa: E402

from woodshop.gui.controller import Controller  # noqa: E402
from woodshop.gui.feature_panel import FeaturePanel  # noqa: E402

_app = QApplication.instance() or QApplication([])


def _panel(tmp_path):
    c = Controller(str(tmp_path / "s.json"))
    return c, FeaturePanel(c)


def test_miter_shows_only_angle_fields(tmp_path):
    c, panel = _panel(tmp_path)
    c.place("2x4", 24)
    c.add_feature("miter")
    panel.refresh()
    assert panel._spins["miter_deg"].isVisibleTo(panel)
    assert panel._spins["bevel_deg"].isVisibleTo(panel)
    assert not panel._spins["width_in"].isVisibleTo(panel)     # irrelevant -> hidden
    assert not panel._spins["depth_in"].isVisibleTo(panel)
    # face dropdown limited to ends
    faces = [panel.face.itemText(i) for i in range(panel.face.count())]
    assert faces == ["end_a", "end_b"]


def test_chamfer_shows_only_width(tmp_path):
    c, panel = _panel(tmp_path)
    c.place("2x4", 24)
    c.add_feature("chamfer")
    panel.refresh()
    assert panel._spins["width_in"].isVisibleTo(panel)
    assert not panel._spins["depth_in"].isVisibleTo(panel)
    assert not panel._spins["miter_deg"].isVisibleTo(panel)


def test_mortise_shows_box_fields(tmp_path):
    c, panel = _panel(tmp_path)
    c.place("2x4", 24)
    c.add_feature("mortise")
    panel.refresh()
    for k in ("along_in", "width_in", "height_in", "depth_in"):
        assert panel._spins[k].isVisibleTo(panel)
    assert not panel._spins["miter_deg"].isVisibleTo(panel)