"""Guide board: schema parsers + card reset semantics (no LLM)."""

import guide_board as gb

TOPIC, FMT = "t", "Guide"


def test_ziele_schema():
    ok = gb._ziele_schema({"ziele": [{"id": "z1", "text": "Erklären, warum X", "sub": "S"},
                                     {"id": "z2", "text": "Nennen von Y"}]})
    assert [z["id"] for z in ok] == ["z1", "z2"]
    assert gb._ziele_schema({"ziele": []}) is None
    assert gb._ziele_schema({"ziele": [{"id": "z1", "text": "a"}, {"id": "z1", "text": "b"}]}) \
        == [{"id": "z1", "text": "a", "sub": ""}]  # duplicate ids fold
    assert gb._ziele_schema("quatsch") is None


def test_gate_schema():
    assert gb._gate_schema({"ok": True}) == []
    claims = gb._gate_schema({"claims": [{"text": "Falsch", "grund": "fehlt"}]})
    assert claims == [{"text": "Falsch", "grund": "fehlt"}]
    assert gb._gate_schema({}) is None


def test_coverage_schema():
    res = gb._coverage_schema({"ziele": {"z1": True, "z2": "false"},
                               "luecken": [{"ziel": "z2", "fehlt": "Beweis"}],
                               "ballast": ["Abschweifung"]}, {"z1", "z2"})
    assert res["ziele"] == {"z1": True, "z2": False}
    assert res["luecken"][0]["fehlt"] == "Beweis"
    assert gb._coverage_schema({"ziele": {"z1": True}}, {"z1", "z2"}) is None  # z2 missing


def test_problems_schema():
    assert gb._problems_schema({"ok": True}) == []
    assert gb._problems_schema({"problems": [{"section": "S", "problem": "zu lang"}]}) == ["zu lang"]
    assert gb._problems_schema({"problems": []}) is None


async def test_reset_from_stage(testdb):
    db = testdb
    await db.upsert_guide_card(TOPIC, FMT, "a", "A")
    await db.upsert_guide_card(TOPIC, FMT, "b", "B")
    await db.set_guide_card(TOPIC, FMT, "a", stage="done", md="text", writer_rounds=2)
    await db.set_guide_card(TOPIC, FMT, "b", stage="coverage", md="text")
    await db.put_lernziel(TOPIC, "a", "z1", "Ziel")
    # reset ab writer (idx 2): beide Karten zurück, md geleert, Ziele bleiben
    moved = await gb.reset_from_stage(TOPIC, FMT, 2)
    assert moved == 2
    cards = {c["block_norm"]: c for c in await db.list_guide_cards(TOPIC, FMT)}
    assert cards["a"]["stage"] == "writer" and cards["a"]["md"] == "" and cards["a"]["writer_rounds"] == 0
    assert cards["b"]["stage"] == "writer"
    assert await db.list_lernziele(TOPIC, "a")
    # reset ab lernziele (idx 0): Ziele weg
    await gb.reset_from_stage(TOPIC, FMT, 0)
    assert not await db.list_lernziele(TOPIC, "a")
    assert (await db.list_guide_cards(TOPIC, FMT))[0]["stage"] == "lernziele"


async def test_done_step(testdb):
    db = testdb
    assert await gb.done_step(TOPIC, FMT) == -1
    await db.upsert_guide_card(TOPIC, FMT, "a", "A")
    assert await gb.done_step(TOPIC, FMT) == -1     # alles in lernziele
    await db.set_guide_card(TOPIC, FMT, "a", stage="coverage")
    assert await gb.done_step(TOPIC, FMT) == 3      # bis fakten_gate fertig
    await db.set_guide_card(TOPIC, FMT, "a", stage="done")
    assert await gb.done_step(TOPIC, FMT) == len(gb.GUIDE_STAGES)