import pytest

from app.domain import TransactionKind
from app.parser import ParseError, format_money, parse_money_amount, parse_transaction


@pytest.mark.parametrize(
    ("text", "kopecks", "description", "kind"),
    [
        ("467 ярче", 46_700, "ярче", TransactionKind.EXPENSE),
        ("3 000 бензин", 300_000, "бензин", TransactionKind.EXPENSE),
        ("199,90 кофе", 19_990, "кофе", TransactionKind.EXPENSE),
        ("+ 85 000 зарплата", 8_500_000, "зарплата", TransactionKind.INCOME),
        ("доход 5000 подработка", 500_000, "подработка", TransactionKind.INCOME),
        ("расход 1200 кино", 120_000, "кино", TransactionKind.EXPENSE),
    ],
)
def test_parse_transaction(text, kopecks, description, kind):
    parsed = parse_transaction(text)
    assert parsed.amount_kopecks == kopecks
    assert parsed.description == description
    assert parsed.kind is kind


@pytest.mark.parametrize("text", ["просто текст", "0 кофе", "500", "- доход 500 премия"])
def test_rejects_invalid_input(text):
    with pytest.raises(ParseError):
        parse_transaction(text)


def test_format_money():
    assert format_money(123_456_00) == "123 456 ₽"
    assert format_money(-199_90, signed=True) == "−199,90 ₽"


@pytest.mark.parametrize(
    ("text", "kopecks"),
    [("530713", 53_071_300), ("530 713 ₽", 53_071_300), ("1250,50 руб", 125_050)],
)
def test_parse_money_amount(text, kopecks):
    assert parse_money_amount(text) == kopecks


@pytest.mark.parametrize(
    ("text", "kopecks", "description", "kind", "debt_effect"),
    [
        ("-5000 ЗП", 500_000, "ЗП", TransactionKind.INCOME, -1),
        ("-5000 зарплата", 500_000, "зарплата", TransactionKind.INCOME, -1),
        ("-5000 рабочий закуп", 500_000, "рабочий закуп", TransactionKind.EXPENSE, -1),
        ("-3000 бензин", 300_000, "бензин", TransactionKind.EXPENSE, -1),
        ("3000 бензин", 300_000, "бензин", TransactionKind.EXPENSE, 1),
        ("+3000 бензин", 300_000, "бензин", TransactionKind.EXPENSE, 1),
        ("+ 5000 зарплата", 500_000, "зарплата", TransactionKind.INCOME, -1),
        ("5000 зарплата", 500_000, "зарплата", TransactionKind.INCOME, -1),
        ("доход 5000 подработка", 500_000, "подработка", TransactionKind.INCOME, -1),
    ],
)
def test_parse_transaction_debt_effect(text, kopecks, description, kind, debt_effect):
    parsed = parse_transaction(text)
    assert parsed.amount_kopecks == kopecks
    assert parsed.description == description
    assert parsed.kind is kind
    assert parsed.debt_effect == debt_effect


@pytest.mark.parametrize(
    ("text", "kind"),
    [
        ("5000 ЗП", TransactionKind.INCOME),
        ("5000 зарплата", TransactionKind.INCOME),
        ("+ ЗП 5000", TransactionKind.INCOME),
        ("расход 5000 зарплата", TransactionKind.INCOME),
    ],
)
def test_salary_recognised_as_income(text, kind):
    parsed = parse_transaction(text)
    assert parsed.kind is kind


@pytest.mark.parametrize("text", ["- доход 500 премия", "- приход 1000 подработка"])
def test_rejects_negative_income_conflict(text):
    with pytest.raises(ParseError, match="Доход не может быть отрицательным"):
        parse_transaction(text)


def test_amount_kopecks_always_positive():
    parsed = parse_transaction("-5000 ЗП")
    assert parsed.amount_kopecks > 0
    assert parsed.amount_kopecks == 500_000