"""Tests for the GUI controller's in-process command execution (no display)."""
import pytest

pytest.importorskip("PySide6")
from PySide6.QtCore import QCoreApplication  # noqa: E402

from woodshop import driver  # noqa: E402
from woodshop.gui.controller import Controller  # noqa: E402

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


def _controller(tmp_path):
    return Controller(str(tmp_path / "scene.json"))


def test_execute_calls_with_symbols(tmp_path):
    """The controller's executor applies wood-* calls in-process, with $N."""
    c = _controller(tmp_path)
    calls = [
        {"tool": "wood-place", "args": {"stock": "2x4", "length": "4 ft"}},
        {"tool": "wood-place", "args": {"stock": "2x4", "length": "2 ft"}},
        {"tool": "wood-stand", "args": {"part": "$2"}},
        {"tool": "wood-join", "args": {"part_b": "$2", "to": "$1", "angle": "0"}},
    ]
    driver.dispatch(calls, verbose=False, executor=c.execute_call)
    assert [p.id for p in c.scene.parts] == ["p1", "p2"]
    assert c.scene.get_part("p2").is_vertical
    assert len(c.scene.joints) == 1


def test_button_ops_and_persistence(tmp_path):
    c = _controller(tmp_path)
    c.place("2x4", 48)
    c.stand()                       # acts on selection (p1)
    assert c.scene.get_part("p1").is_vertical
    c.duplicate()                   # p2
    assert len(c.scene.parts) == 2
    c.delete()                      # deletes selection p2
    assert [p.id for p in c.scene.parts] == ["p1"]
    # changes are persisted to disk
    from woodshop.scene import Scene
    assert len(Scene.load(c.scene_path).parts) == 1


def test_select_and_undo_redo(tmp_path):
    c = _controller(tmp_path)
    c.place("2x4", 24)
    c.place("2x4", 36)
    c.select("p1")
    assert c.selected_id == "p1"
    c.undo()                        # removes p2
    assert len(c.scene.parts) == 1
    c.redo()
    assert len(c.scene.parts) == 2


def test_toggle_multiselect(tmp_path):
    c = _controller(tmp_path)
    c.place("2x4", 24)
    c.place("2x4", 24)
    c.select("p1")
    c.toggle("p2")
    assert set(c.selected) == {"p1", "p2"}
    c.toggle("p1")              # ctrl-click again removes it
    assert c.selected == ["p2"]


def test_group_move_is_single_undo(tmp_path):
    c = _controller(tmp_path)
    for _ in range(3):
        c.place("2x4", 24)
    c.set_selected(["p1", "p2", "p3"])
    c.move_selected(dy=4)       # "move these 4 inches in +y"
    assert all(p.position_in[1] == 4 for p in c.scene.parts)
    c.undo()                    # one undo reverts the whole group
    assert all(p.position_in[1] == 0 for p in c.scene.parts)


def test_unknown_tool_is_safe(tmp_path):
    c = _controller(tmp_path)
    assert "unknown" in c.execute_call("wood-bogus", {}).lower()