"""Sichtbarkeit: Progressionsgraph ↔ Übungen (Promotion, Kanten, Match)."""
from routers.exercise_progression_graphs import (
    _exercise_allowed_in_progression_graph,
    _graph_promotion_transition,
)


def test_graph_promotion_transition_private_to_club():
    assert _graph_promotion_transition("private", "club") == ("private",)


def test_graph_promotion_transition_private_to_official():
    assert _graph_promotion_transition("private", "official") == ("private", "club")


def test_graph_promotion_transition_club_to_official():
    assert _graph_promotion_transition("club", "official") == ("private", "club")


def test_graph_promotion_transition_noop():
    assert _graph_promotion_transition("club", "club") is None
    assert _graph_promotion_transition("official", "club") is None
    assert _graph_promotion_transition("private", "private") is None


def test_club_graph_rejects_private_exercise():
    assert not _exercise_allowed_in_progression_graph(
        {"visibility": "private", "club_id": None, "created_by": 1},
        graph_visibility="club",
        graph_club_id=5,
        profile_id=1,
        role="trainer",
    )


def test_club_graph_accepts_matching_club_exercise():
    assert _exercise_allowed_in_progression_graph(
        {"visibility": "club", "club_id": 5, "created_by": 2},
        graph_visibility="club",
        graph_club_id=5,
        profile_id=1,
        role="trainer",
    )


def test_club_graph_accepts_official_exercise():
    assert _exercise_allowed_in_progression_graph(
        {"visibility": "official", "club_id": None, "created_by": 99},
        graph_visibility="club",
        graph_club_id=5,
        profile_id=1,
        role="trainer",
    )


def test_private_graph_accepts_own_private_exercise():
    assert _exercise_allowed_in_progression_graph(
        {"visibility": "private", "club_id": None, "created_by": 7},
        graph_visibility="private",
        graph_club_id=None,
        profile_id=7,
        role="trainer",
    )


def test_official_graph_requires_official_exercise():
    assert not _exercise_allowed_in_progression_graph(
        {"visibility": "club", "club_id": 5, "created_by": 2},
        graph_visibility="official",
        graph_club_id=None,
        profile_id=1,
        role="trainer",
    )
    assert _exercise_allowed_in_progression_graph(
        {"visibility": "official", "club_id": None, "created_by": 2},
        graph_visibility="official",
        graph_club_id=None,
        profile_id=1,
        role="trainer",
    )