from __future__ import annotations

from enroll.cm import CMModule, resolve_catalog_conflicts


def test_resolve_catalog_conflicts_dedupes_before_rendering():
    first = CMModule(role_name="admin", module_name="admin")
    first.packages.add("curl")
    first.dirs["/etc/default"] = {"owner": "root"}
    first.files["/etc/foo.conf"] = {"owner": "root"}

    second = CMModule(role_name="misc", module_name="misc")
    second.packages.add("curl")
    second.dirs["/etc/default"] = {"owner": "root"}
    second.dirs["/etc/foo.conf"] = {"owner": "root"}
    second.files["/etc/foo.conf"] = {"owner": "root"}

    resolve_catalog_conflicts([first, second])

    assert first.packages == {"curl"}
    assert "/etc/default" in first.dirs
    assert "/etc/foo.conf" in first.files

    assert second.packages == set()
    assert second.dirs == {}
    assert second.files == {}
    assert any("duplicate Package[curl]" in note for note in second.notes)
    assert any("duplicate File[/etc/default]" in note for note in second.notes)
    assert any("a file or link with the same path" in note for note in second.notes)


def test_cm_module_uses_shared_state_io(tmp_path):
    state = {"roles": {"packages": []}}

    written = CMModule.write_state(tmp_path, state)

    assert written == tmp_path / "state.json"
    assert CMModule.state_path(tmp_path) == written
    assert CMModule.load_state(tmp_path) == state
    assert CMModule._load_state(tmp_path) == state