import json

from furtka.scanner import scan

VALID_MANIFEST = {
    "name": "fileshare",
    "display_name": "Network Files",
    "version": "0.1.0",
    "description": "SMB share",
    "volumes": ["files"],
    "ports": [445],
    "icon": "icon.svg",
}


def _make_app(root, name, manifest=None):
    app = root / name
    app.mkdir(parents=True)
    if manifest is not None:
        (app / "manifest.json").write_text(json.dumps(manifest))
    return app


def test_scan_missing_root(tmp_path):
    assert scan(tmp_path / "does-not-exist") == []


def test_scan_empty_root(tmp_path):
    assert scan(tmp_path) == []


def test_scan_valid_app(tmp_path):
    _make_app(tmp_path, "fileshare", VALID_MANIFEST)
    results = scan(tmp_path)
    assert len(results) == 1
    assert results[0].ok
    assert results[0].manifest.name == "fileshare"


def test_scan_skips_files(tmp_path):
    _make_app(tmp_path, "fileshare", VALID_MANIFEST)
    (tmp_path / "stray.txt").write_text("ignore me")
    results = scan(tmp_path)
    assert len(results) == 1


def test_scan_missing_manifest(tmp_path):
    _make_app(tmp_path, "broken")
    results = scan(tmp_path)
    assert len(results) == 1
    assert not results[0].ok
    assert "manifest.json missing" in results[0].error


def test_scan_invalid_manifest(tmp_path):
    bad = dict(VALID_MANIFEST)
    del bad["volumes"]
    _make_app(tmp_path, "fileshare", bad)
    results = scan(tmp_path)
    assert len(results) == 1
    assert not results[0].ok
    assert "volumes" in results[0].error


def test_scan_sorted_by_name(tmp_path):
    _make_app(tmp_path, "z-app", dict(VALID_MANIFEST, name="z-app"))
    _make_app(tmp_path, "a-app", dict(VALID_MANIFEST, name="a-app"))
    results = scan(tmp_path)
    assert [r.path.name for r in results] == ["a-app", "z-app"]