from decimal import Decimal

from app.formats import DE_LABELS, de_label, eur


def test_eur_basisformat():
    assert eur(Decimal("2474.00")) == "2.474,00"


def test_eur_negativ_mit_mehreren_tausenderpunkten():
    assert eur(Decimal("-1234567.5")) == "-1.234.567,50"


def test_eur_null_und_kleinbetraege():
    assert eur(Decimal("0")) == "0,00"
    assert eur(Decimal("-0.5")) == "-0,50"
    assert eur(Decimal("999.99")) == "999,99"


def test_eur_rundung_half_up():
    assert eur(Decimal("1.005")) == "1,01"
    assert eur(Decimal("-1.005")) == "-1,01"


def test_eur_akzeptiert_strings_und_int():
    # Templates reichen teils DB-Werte als str/int durch (z.B. Suggestions).
    assert eur("1234.5") == "1.234,50"
    assert eur(7) == "7,00"


def test_de_label_bekannte_und_unbekannte_werte():
    assert de_label("monthly") == "monatlich"
    assert de_label("quarterly") == "vierteljährlich"
    assert de_label("yearly") == "jährlich"
    assert de_label("annuity") == "Annuität"
    assert de_label("bullet") == "endfällig"
    assert de_label("percent") == "Prozent"
    assert de_label("absolute") == "Absolut"
    assert de_label("remove") == "Entfällt"
    assert de_label("ende") == "Ende"
    assert de_label("weirdvalue") == "weirdvalue"
    assert set(DE_LABELS) == {"monthly", "quarterly", "yearly", "annuity",
                              "bullet", "percent", "absolute", "remove", "ende"}