"""Dublettenerkennung. Auf Messen trifft man Leute wieder."""
import uuid

import pytest

from app import db, duplicates


def _card(**felder):
    columns = {
        "id": uuid.uuid4().hex,
        "created_at": "2026-09-01T10:00:00+00:00",
        "extract_status": "ok",
        **felder,
    }
    names = ", ".join(columns)
    db.execute(
        f"INSERT INTO cards ({names}) VALUES ({', '.join('?' for _ in columns)})",
        list(columns.values()),
    )
    return db.query_one("SELECT * FROM cards WHERE id = ?", (columns["id"],))


@pytest.fixture(autouse=True)
def leere_tabelle():
    db.execute("DELETE FROM cards")
    yield
    db.execute("DELETE FROM cards")


def test_gleiche_email_wird_gefunden():
    _card(first_name="Anna", last_name="Berg", email="A.Berg@Firma.de")
    neu = _card(first_name="A.", last_name="Berg", email="a.berg@firma.de")

    treffer = duplicates.find(neu)

    assert [t["reason"] for t in treffer] == ["gleiche E-Mail"]


def test_telefonnummer_in_anderer_schreibweise():
    _card(first_name="Anna", last_name="Berg", phone="+49 511 1234560")
    neu = _card(first_name="Anna", last_name="B.", mobile="0511/1234560")

    treffer = duplicates.find(neu)

    assert [t["reason"] for t in treffer] == ["gleiche Telefonnummer"]


def test_name_und_firma_zusammen():
    _card(last_name="Berg", company="Berg & Partner GmbH")
    neu = _card(last_name="berg", company="berg & partner gmbh")

    assert [t["reason"] for t in duplicates.find(neu)] == ["gleicher Name und dieselbe Firma"]


def test_gleicher_nachname_allein_reicht_nicht():
    _card(last_name="Berg", company="Andere GmbH")
    neu = _card(last_name="Berg", company="Berg & Partner GmbH")

    assert duplicates.find(neu) == []


def test_kurze_nummern_werden_nicht_verglichen():
    # Eine dreistellige Durchwahl darf keine Dublette erzeugen.
    _card(first_name="Anna", last_name="Berg", phone="123")
    neu = _card(first_name="Bea", last_name="Kurz", phone="123")

    assert duplicates.find(neu) == []


def test_leere_felder_erzeugen_keine_treffer():
    _card(first_name="Anna", last_name="Berg")
    neu = _card(first_name="Bea", last_name="Kurz")

    assert duplicates.find(neu) == []


def test_die_karte_selbst_ist_keine_dublette():
    karte = _card(first_name="Anna", last_name="Berg", email="a@b.de")

    assert duplicates.find(karte) == []


def test_noch_nicht_gelesene_karten_bleiben_aussen_vor():
    _card(first_name="Anna", last_name="Berg", email="a@b.de", extract_status="offen")
    neu = _card(first_name="Anna", last_name="Berg", email="a@b.de")

    assert duplicates.find(neu) == []