import pytest

from conftest import EXAMPLES, example
from hugin_core.package import Kind, PackageError, load


def test_load_reads_manifest_and_files():
    package = example("pub-munin-nutzen/1.4.0")
    assert package.manifest.kind == Kind.SKILL
    assert sorted(package.files) == ["SKILL.md", "referenz/beispiele.md"]
    assert package.content.startswith("# Munin nutzen")
    assert list(package.helper_files) == ["referenz/beispiele.md"]


def test_description_without_line_breaks():
    text = example("pub-munin-nutzen/1.4.0").manifest.description_text
    assert "\n" not in text and text.endswith("arbeitest.")


def test_checksum_stable_and_content_dependent():
    a = example("pub-munin-nutzen/1.4.0")
    assert a.checksum() == example("pub-munin-nutzen/1.4.0").checksum()
    assert a.checksum() != example("pub-munin-nutzen/1.5.0").checksum()


def test_unknown_field_in_manifest(tmp_path):
    (tmp_path / "hugin.yaml").write_text(
        "id: pub-x\nkind: skill\nversion: 1.0.0\nowner: p\nscope: public\n"
        "description: x\nfarbe: blau\n"
    )
    with pytest.raises(PackageError, match="farbe"):
        load(tmp_path)


def test_without_manifest(tmp_path):
    with pytest.raises(PackageError, match="fehlt"):
        load(tmp_path)


def test_symlink_rejected(tmp_path):
    folder = tmp_path / "p"
    folder.mkdir()
    (folder / "hugin.yaml").write_text((EXAMPLES / "packages/pub-hausregeln/1.0.0/hugin.yaml").read_text())
    (folder / "RULES.md").symlink_to("/etc/hosts")
    with pytest.raises(PackageError, match="Symlink"):
        load(folder)