import re

from typing import Pattern

from faker.providers.bank.ru_RU import Provider as RuRuBankProvider
from faker.providers.credit_card import Provider as CreditCardProvider


class TestCreditCardProvider:
    """Test credit card provider methods"""

    mastercard_pattern: Pattern = re.compile(
        r"(?:5[1-5][0-9]{2}|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}",
    )
    visa_pattern: Pattern = re.compile(r"4[0-9]{12}([0-9]{3}){0,2}")
    discover_pattern: Pattern = re.compile(r"6(?:011|5[0-9]{2})[0-9]{12}")
    diners_club_pattern: Pattern = re.compile(r"3(?:0[0-5]|[68][0-9])[0-9]{11}")
    jcb_pattern: Pattern = re.compile(r"(?:2131|1800|35\d{3})\d{11}")

    def test_mastercard(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_mastercard:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 16)
                assert len(number) == 16
                assert self.mastercard_pattern.fullmatch(number)

    def test_visa13(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_visa:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 13)
                assert len(number) == 13
                assert self.visa_pattern.fullmatch(number)

    def test_visa16(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_visa:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 16)
                assert len(number) == 16
                assert self.visa_pattern.fullmatch(number)

    def test_visa19(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_visa:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 19)
                assert len(number) == 19
                assert self.visa_pattern.fullmatch(number)

    def test_discover(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_discover:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 16)
                assert len(number) == 16
                assert self.discover_pattern.fullmatch(number)

    def test_diners_club(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_diners:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 14)
                assert len(number) == 14
                assert self.diners_club_pattern.fullmatch(number)

    def test_jcb16(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_jcb16:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 16)
                assert len(number) == 16
                assert self.jcb_pattern.fullmatch(number)

    def test_jcb15(self, faker, num_samples):
        provider = CreditCardProvider(faker)
        for prefix in provider.prefix_jcb15:
            for _ in range(num_samples):
                number = provider._generate_number(prefix, 15)
                assert len(number) == 15
                assert self.jcb_pattern.fullmatch(number)


class TestRuRu:
    """Test ru_RU credit card provider methods"""

    visa_pattern: Pattern = re.compile(r"4[0-9]{15}")
    mastercard_pattern: Pattern = re.compile(
        r"(?:5[1-5][0-9]{2}|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}",
    )
    mir_pattern: Pattern = re.compile(r"220[0-4][0-9]{12}")
    maestro_pattern: Pattern = re.compile(r"(?:50|5[6-9]|6[0-9])[0-9]{14}")
    amex_pattern: Pattern = re.compile(r"3[4|7][0-9]{13}")
    unionpay_pattern: Pattern = re.compile(r"(?:62|81)[0-9]{14}")

    def test_visa(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("visa")
            assert self.visa_pattern.fullmatch(number)

    def test_mastercard(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("mastercard")
            assert self.mastercard_pattern.fullmatch(number)

    def test_mir(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("mir")
            assert self.mir_pattern.fullmatch(number)

    def test_maestro(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("maestro")
            assert self.maestro_pattern.fullmatch(number)

    def test_amex(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("amex")
            assert self.amex_pattern.fullmatch(number)

    def test_unionpay(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("unionpay")
            assert self.unionpay_pattern.fullmatch(number)

    def test_credit_card_full(self, faker, num_samples):
        for _ in range(num_samples):
            card_data = faker.credit_card_full().split("\n")
            assert re.match("[A-Za-z]+", card_data[1])
            assert card_data[4] in RuRuBankProvider.banks


class TestPtPt:
    """Test pt_PT credit card provider methods"""

    visa_pattern: Pattern = re.compile(r"4[0-9]{15}")
    mastercard_pattern: Pattern = re.compile(r"5[1-5][0-9]{14}")
    maestro_pattern: Pattern = re.compile(r"(50|67)[0-9]{14}")

    def test_visa(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("visa")
            assert self.visa_pattern.fullmatch(number)

    def test_mastercard(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("mastercard")
            assert self.mastercard_pattern.fullmatch(number)

    def test_maestro(self, faker, num_samples):
        for _ in range(num_samples):
            number = faker.credit_card_number("maestro")
            assert self.maestro_pattern.fullmatch(number)
