import config
import persons

def test_slugify():
    assert persons.slugify("de Gruyter", "Eugenie") == "de-gruyter-eugenie"
    assert persons.slugify("Müller", "Karl Erhard") == "mueller-karl-erhard"

def test_parse_register_basic():
    rows = [
        {"generation": "G 1", "last_name": "Blomquist", "first_name": "Charlotte,Meta,Jacobi",
         "maiden_name": "Ruge", "birth_date": "30.8.1862", "birth_place": "Schülperneusiel",
         "death_date": "1934-07-23", "death_place": "Göteborg", "spouse": '"Tante Lolly"',
         "notes": "Schwester v Marie Cram"},
        {"generation": "G 2", "last_name": "Bohrmann", "first_name": "Else",
         "maiden_name": "Cram", "birth_date": "28.11.1888", "spouse": "Ludwig Bohrmann",
         "notes": "Schwester v Herbert"},
    ]
    people = persons.parse_register(rows)
    p = people[0]
    assert p.person_id == "blomquist-charlotte"
    assert p.first_name == "Charlotte"
    assert p.maiden_name == "Ruge"
    assert p.birth_date == "1862-08-30"
    assert p.nickname == "Tante Lolly"     # quoted spouse field is a nickname, not a spouse
    assert p.spouse == ""
    assert "Meta" in p.extra_given_names and "Jacobi" in p.extra_given_names
    p2 = people[1]
    assert p2.maiden_name == "Cram"
    assert p2.spouse == "Ludwig Bohrmann"
    assert p2.provisional is False

def test_parse_register_dedups_colliding_ids():
    # Two people with the same first+last name: BOTH get a numeric suffix (no ambiguous base id).
    people = persons.parse_register([
        {"last_name": "Cram", "first_name": "Hans"},
        {"last_name": "Cram", "first_name": "Hans"},
    ])
    ids = [p.person_id for p in people]
    assert ids == ["cram-hans-1", "cram-hans-2"]
    assert len(set(ids)) == 2

def test_split_receivers():
    assert persons.split_receivers("Eugenie Müller") == ["Eugenie Müller"]
    assert persons.split_receivers("Walter und Eugenie de Gruyter") == ["Walter de Gruyter", "Eugenie de Gruyter"]
    assert persons.split_receivers("Hedi und Tutu (Gruber)") == ["Hedi Gruber", "Tutu Gruber"]
    assert persons.split_receivers("Clara u Familie") == ["Clara"]
    assert persons.split_receivers("Eugenie de Gruyter geb. Müller") == ["Eugenie de Gruyter"]
    assert persons.split_receivers("Herbert u Clara") == ["Herbert", "Clara"]
    assert persons.split_receivers("") == []
    assert persons.split_receivers("geb. Müller") == []          # maiden-only cell -> no person
    assert persons.split_receivers("Herbert//Clara") == ["Herbert", "Clara"]  # // separator

def test_find_known_last_name():
    assert persons.find_known_last_name("Eugenie de Gruyter") == "de Gruyter"
    assert persons.find_known_last_name("Clara") is None

def test_alias_index_resolves_maiden_and_married():
    people = persons.parse_register([
        {"last_name": "de Gruyter", "first_name": "Eugenie", "maiden_name": "Müller"},
        {"last_name": "Cram", "first_name": "Clara"},
    ])
    idx = persons.AliasIndex(people)
    eugenie = people[0].person_id
    assert idx.resolve("Eugenie de Gruyter") == eugenie   # canonical
    assert idx.resolve("Eugenie Müller") == eugenie        # maiden alias
    assert idx.resolve("eugenie  müller") == eugenie        # normalized
    assert idx.resolve("Nobody Unknown") is None

def test_alias_index_suggestion():
    people = persons.parse_register([{"last_name": "Wittkopf", "first_name": "Hans"}])
    idx = persons.AliasIndex(people)
    sid, score = idx.suggest("Hans Wittkop")  # typo
    assert sid == people[0].person_id and score >= config.FUZZY_SUGGEST_THRESHOLD

def test_alias_index_first_name_only_when_unambiguous():
    people = persons.parse_register([
        {"last_name": "Cram", "first_name": "Clara"},
        {"last_name": "de Gruyter", "first_name": "Walter"},
        {"last_name": "Cram", "first_name": "Walter"},  # 2nd "Walter" -> first name ambiguous
    ])
    idx = persons.AliasIndex(people)
    assert idx.resolve("Clara") == people[0].person_id   # unique first name resolves
    assert idx.resolve("Walter") is None                 # ambiguous first name does NOT resolve
    assert idx.display(people[0].person_id) == "Clara Cram"