from __future__ import annotations

from pathlib import Path

import pytest
from PySide6.QtGui import QUndoCommand

from bedit_gui.documents import Document


@pytest.mark.unit
@pytest.mark.parametrize("suffix", [".beb", ".json"])
def test_document_save_and_open(tmp_path: Path, suffix: str) -> None:
    path = tmp_path / f"document{suffix}"
    document = Document()
    original_id = document.model.id

    document.save_as(path)
    document.new()
    assert document.model.id != original_id

    document.open(path)

    assert document.model.id == original_id
    assert document.path == path
    assert not document.modified


@pytest.mark.unit
def test_document_modified_state_uses_undo_stack() -> None:
    document = Document()

    document.undo_stack.push(QUndoCommand("change"))
    assert document.modified

    document.undo_stack.setClean()
    assert not document.modified