# Copyright (c) 2025-2026 Zensical and contributors

# SPDX-License-Identifier: MIT
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# of this software and associated documentation files (the "Software"), to
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# furnished to do so, subject to the following conditions:

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from __future__ import annotations

import pytest

from zensical.extensions.links import (
    _is_relative,
    _md_path_to_html,
    _rewrite_url,
)


@pytest.mark.parametrize(
    ("path", "directory_urls", "expected"),
    [
        ("index.md", True, ""),
        ("README.md", True, ""),
        ("guide/README.md", True, "guide/"),
        ("guide/page.md", True, "guide/page/"),
        ("myindex.md", True, "myindex/"),
        ("guide/README.md", False, "guide/index.html"),
        ("guide/page.md", False, "guide/page.html"),
        ("assets/app.js", True, "assets/app.js"),
    ],
)
def test_markdown_path_routing(
    path: str, directory_urls: bool, expected: str
) -> None:
    """Markdown links retain the current MkDocs-compatible route shape."""
    assert _md_path_to_html(path, directory_urls) == expected


@pytest.mark.parametrize(
    "value",
    ["https://example.com", "//example.com", "/root", "#section"],
)
def test_non_relative_references_are_not_rewritten(value: str) -> None:
    """External, root-relative, and same-page references remain untouched."""
    assert not _is_relative(value)
    assert _rewrite_url(value, "guide/page.md", True) is None


def test_rewrite_preserves_query_and_fragment() -> None:
    """Only the path component changes when a Markdown URL is rewritten."""
    assert (
        _rewrite_url("other.md?view=full#details", "guide/page.md", True)
        == "../other/?view=full#details"
    )