from data_layer.food_visibility import (
    attach_visibility,
    can_edit_food,
    is_global_mapping_target,
    is_visible_to,
    require_mapping_target,
    same_id,
    visibility_of,
    visibility_rank,
)


def test_can_edit_central_only_as_admin():
    central = {"catalog_kind": "manual_admin", "owner_profile_id": None, "is_active": True}
    personal = {"catalog_kind": "manual_user", "owner_profile_id": "alice", "is_active": True}
    bls = {"catalog_kind": "official_bls", "owner_profile_id": None, "is_active": True}
    assert can_edit_food(central, "alice", is_admin=False) is False
    assert can_edit_food(central, "alice", is_admin=True) is True
    assert can_edit_food(personal, "alice", is_admin=False) is True
    assert can_edit_food(personal, "bob", is_admin=False) is False
    assert can_edit_food(personal, "bob", is_admin=True) is True
    assert can_edit_food(bls, "alice", is_admin=True) is False


def test_same_id_ignores_dashes_and_case():
    assert same_id("AaBbCcDd-0000-0000-0000-000000000001", "aabbccdd000000000000000000000001")


def test_visibility_scopes():
    assert visibility_of({"catalog_kind": "official_bls"}) == "bls"
    assert visibility_of({"catalog_kind": "manual_admin", "owner_profile_id": None}) == "global"
    assert visibility_of({"catalog_kind": "manual_user", "owner_profile_id": "u1"}) == "personal"
    assert visibility_rank({"catalog_kind": "manual_user"}) < visibility_rank({"catalog_kind": "manual_admin"})
    assert visibility_rank({"catalog_kind": "manual_admin"}) < visibility_rank({"catalog_kind": "official_bls"})


def test_personal_food_not_visible_to_others():
    food = {"catalog_kind": "manual_user", "owner_profile_id": "alice", "is_active": True}
    assert is_visible_to(food, "alice") is True
    assert is_visible_to(food, "bob") is False
    assert is_global_mapping_target(food) is False


def test_admin_and_bls_visible_to_everyone():
    admin = {"catalog_kind": "manual_admin", "owner_profile_id": None, "is_active": True}
    bls = {"catalog_kind": "official_bls", "owner_profile_id": None, "is_active": True}
    assert is_visible_to(admin, "bob") is True
    assert is_visible_to(bls, None) is True
    assert is_global_mapping_target(admin) is True
    assert is_global_mapping_target(bls) is True


def test_attach_visibility():
    row = attach_visibility({"catalog_kind": "manual_admin"})
    assert row["visibility"] == "global"


def test_require_global_mapping_rejects_personal():
    class _Cur:
        def execute(self, sql, params=None):
            self._row = {
                "id": params[0],
                "name_de": "Öl",
                "catalog_kind": "manual_user",
                "owner_profile_id": "alice",
                "is_active": True,
                "bls_code": None,
            }

        def fetchone(self):
            return self._row

    try:
        require_mapping_target(_Cur(), "fid", None)
        assert False, "expected PermissionError"
    except PermissionError:
        pass


def test_require_user_mapping_allows_own_and_global():
    class _Cur:
        def __init__(self, food):
            self.food = food

        def execute(self, sql, params=None):
            pass

        def fetchone(self):
            return self.food

    own = require_mapping_target(
        _Cur({
            "id": "1", "name_de": "X", "catalog_kind": "manual_user",
            "owner_profile_id": "alice", "is_active": True, "bls_code": None,
        }),
        "1",
        "alice",
    )
    assert own["catalog_kind"] == "manual_user"
    shared = require_mapping_target(
        _Cur({
            "id": "2", "name_de": "Y", "catalog_kind": "manual_admin",
            "owner_profile_id": None, "is_active": True, "bls_code": None,
        }),
        "2",
        "alice",
    )
    assert shared["catalog_kind"] == "manual_admin"