"""Offscreen smoke tests for the command bar's reference attachment + match."""
import os

import pytest

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

from PySide6.QtCore import QThreadPool  # noqa: E402
from PySide6.QtWidgets import QApplication  # noqa: E402

from woodshop.gui.command_bar import CommandBar  # noqa: E402
from woodshop.gui.controller import Controller  # noqa: E402

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


def test_attach_accumulates_and_clears(tmp_path):
    c = Controller(str(tmp_path / "s.json"))
    bar = CommandBar(c, QThreadPool.globalInstance())
    a = tmp_path / "front.png"; a.write_bytes(b"x")
    b = tmp_path / "side.png"; b.write_bytes(b"x")
    bar._add_ref(str(a))
    assert bar._pending == [str(a)] and "front.png" in bar.image_chip.text()
    bar._add_ref(str(b))
    assert bar._pending == [str(a), str(b)] and "2 references" in bar.image_chip.text()
    bar._clear_refs()
    assert bar._pending == [] and bar.image_chip.text() == ""


def test_attach_sets_default_text(tmp_path):
    c = Controller(str(tmp_path / "s.json"))
    bar = CommandBar(c, QThreadPool.globalInstance())
    bar._add_ref(str(tmp_path / "x.png"))
    assert bar.input.text() == "build something like this"


def test_match_button_enabled_only_with_reference(tmp_path):
    c = Controller(str(tmp_path / "s.json"))
    bar = CommandBar(c, QThreadPool.globalInstance())
    assert not bar.match.isEnabled()                 # nothing attached yet
    bar._last_reference = (["/ref/a.png"], None)
    bar._busy(False)                                 # re-evaluates the match button
    assert bar.match.isEnabled()