import pytest
from click.exceptions import FileError

from docforge.cli.mkdocs_utils import (
    _strip_scope,
    build_lib_nav,
    build_wiki_nav_block,
    load_spec_icon,
)


def test_strip_scope_nested_entries():
    block = [
        {"Home": "wiki/index.md"},
        {
            "Development": [
                {"Environment": "wiki/05_development/01_environment.md"},
                "wiki/05_development/02_quality_gates.md",
            ]
        },
    ]
    stripped = _strip_scope(block, "wiki")
    assert stripped == [
        {"Home": "index.md"},
        {
            "Development": [
                {"Environment": "05_development/01_environment.md"},
                "05_development/02_quality_gates.md",
            ]
        },
    ]


def test_strip_scope_leaves_unscoped_paths():
    block = [{"Other": "static/pages.md"}]
    assert _strip_scope(block, "lib") == [{"Other": "static/pages.md"}]


def test_build_lib_nav_reroots_group_paths(tmp_path):
    docs = tmp_path / "docs"
    lib = docs / "lib" / "testpkg"
    lib.mkdir(parents=True)
    (lib / "index.md").write_text("# Pkg", encoding="utf-8")
    (lib / "mod.md").write_text("# Mod", encoding="utf-8")

    nav_file = tmp_path / "docforge.nav.yml"
    nav_file.write_text(
        "home: lib/testpkg/index.md\n"
        "groups:\n"
        "  Reference:\n"
        "    - lib/testpkg/mod.md\n",
        encoding="utf-8",
    )

    block, icon = build_lib_nav(nav_file, docs)
    assert block == [{"Home": "testpkg/index.md"}, {"Reference": ["testpkg/mod.md"]}]
    assert icon is None


def test_build_lib_nav_missing_spec_raises(tmp_path):
    with pytest.raises(FileError):
        build_lib_nav(tmp_path / "missing.yml", tmp_path)


def test_build_wiki_nav_block_reroots_entries(tmp_path):
    wiki = tmp_path / "docs" / "wiki"
    wiki.mkdir(parents=True)
    (wiki / "index.md").write_text("# Home", encoding="utf-8")
    (wiki / "01_overview.md").write_text("# Overview", encoding="utf-8")

    block = build_wiki_nav_block(wiki)
    assert block == [{"Home": "index.md"}, {"Overview": "01_overview.md"}]


def test_load_spec_icon(tmp_path):
    nav_file = tmp_path / "docforge.nav.yml"
    nav_file.write_text("home: index.md\nicon:\n  logo: material/code-tags\n")
    assert load_spec_icon(nav_file) == {"logo": "material/code-tags"}
    assert load_spec_icon(tmp_path / "missing.yml") is None