"""Output path when the GUI switches between MD → DOCX and DOCX → MD."""

import os

from md2gost.gui import (
    coerce_docx_output,
    import_output_path,
    next_import_output,
    next_markdown_output,
    output_tracks_source,
)
from md2gost.pipeline import default_output_path


def test_import_markdown_counts_as_automatic(tmp_path):
    docx = tmp_path / "шаблон таблицы.docx"
    imported = import_output_path(str(docx))
    assert imported.endswith(".md")
    assert output_tracks_source(str(docx), imported)
    # default_output_path appends .docx and must not be the import target
    assert not output_tracks_source(str(docx), default_output_path(str(docx)))


def test_markdown_after_import_uses_docx(tmp_path):
    """MD → DOCX, then DOCX → MD, then another .md must not keep the .md output."""
    report = tmp_path / "1исп.md"
    imported = import_output_path(str(tmp_path / "шаблон таблицы.docx"))

    out, auto = next_markdown_output(str(report), imported, auto=True)
    assert out == default_output_path(str(report))
    assert auto is True

    # Old GUI cleared the auto flag after import, so the .md path stuck.
    out, auto = next_markdown_output(str(report), imported, auto=False)
    assert out == default_output_path(str(report))
    assert out.lower().endswith(".docx")
    assert auto is True


def test_custom_docx_is_kept_when_switching_markdown(tmp_path):
    other = tmp_path / "other.md"
    custom = str(tmp_path / "pinned.docx")
    out, auto = next_markdown_output(str(other), custom, auto=False)
    assert out == custom
    assert auto is False


def test_import_replaces_previous_docx_target(tmp_path):
    src = tmp_path / "шаблон таблицы.docx"
    previous = str(tmp_path / "report.docx")
    out, auto = next_import_output(str(src), previous, auto=False)
    assert os.path.normcase(out) == os.path.normcase(import_output_path(str(src)))
    assert auto is True


def test_convert_does_not_reuse_import_markdown(tmp_path):
    report = tmp_path / "1исп.md"
    stale = str(tmp_path / "шаблон таблицы.md")
    assert coerce_docx_output(str(report), stale) == default_output_path(str(report))
    keep = str(tmp_path / "keep.docx")
    assert coerce_docx_output(str(report), keep) == keep