"""Unit-Tests für gewichtetes Fähigkeiten-Scoring (Phase 3)."""
from skill_scoring import (
    ExerciseOccurrence,
    compute_skill_profile,
    match_score_for_skill_ids,
    _skill_link_multiplier,
)


def test_skill_link_multiplier_primary_and_intensity():
    assert _skill_link_multiplier(is_primary=True, intensity="hoch") == 1.5 * 1.2
    assert _skill_link_multiplier(is_primary=False, intensity="niedrig") == 0.85


def test_compute_skill_profile_aggregates_weights():
    occurrences = [
        ExerciseOccurrence(exercise_id=1, planned_duration_min=60),
        ExerciseOccurrence(exercise_id=1, planned_duration_min=30),
    ]
    skills_map = {
        1: [
            {
                "skill_id": 10,
                "skill_name": "Distanz",
                "category": "kihon",
                "is_primary": True,
                "intensity": "hoch",
                "exercise_title": "Übung A",
            },
            {
                "skill_id": 11,
                "skill_name": "Balance",
                "category": "kihon",
                "is_primary": False,
                "intensity": "mittel",
                "exercise_title": "Übung A",
            },
        ],
    }
    profile = compute_skill_profile(occurrences, skills_map)
    assert profile["exercise_occurrence_count"] == 2
    assert profile["distinct_exercise_count"] == 1
    assert len(profile["skills"]) == 2
    assert profile["skills"][0]["skill_id"] == 10
    assert profile["total_weight"] > profile["skills"][1]["weight"]
    assert abs(sum(s["share_percent"] for s in profile["skills"]) - 100.0) < 0.1


def test_match_score_for_skill_ids():
    profile = {
        "total_weight": 100.0,
        "skills": [
            {"skill_id": 1, "skill_name": "A", "weight": 40.0},
            {"skill_id": 2, "skill_name": "B", "weight": 60.0},
        ],
    }
    m = match_score_for_skill_ids(profile, [1])
    assert m["match_weight"] == 40.0
    assert m["match_percent"] == 40.0
    assert m["matched_skill_ids"] == [1]