package bank_card

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestIsValidLuhn(t *testing.T) {
	var validBankCards = []string{
		"79927398713",
		"6226095711989751",
		"49927398716",
		"1234567812345670",
		"356938035643809",
		"1111222233334444",
		"374652346956782346957823694857692364857368475368",
		"6228480402564890018",
		"6228480402637874213",
		"6228481552887309119",
		"6228480801416266113",
		"6228481698729890079",
		"6222081106004039591",
	}

	var invalidBankCards = []string{
		"49927398717",
		"1234567812345678",
		"314143525252",
		"534618613411236",
		"1234567879855431",
		"374652346956782346957823694857692364857387456834",
		"79927398710",
		"79927398711",
		"79927398711",
		"79927398712",
		"79927398714",
		"79927398715",
		"79927398716",
		"79927398717",
		"79927398718",
		"79927398719",
		"621661280000447287",
	}

	for _, w := range validBankCards {
		t.Run("valid bank card: "+w, func(t *testing.T) {
			assert.True(t, IsValidLuhn(w))
		})
	}

	for _, w := range invalidBankCards {
		t.Run("invalid bank card: "+w, func(t *testing.T) {
			assert.False(t, IsValidLuhn(w))
		})
	}
}

func TestIsValidBankCardNo(t *testing.T) {
	var validBankCards = []string{
		"6226095711989751",
		"6228480402564890018",
		"6228480402637874213",
		"6228481552887309119",
		"6228480801416266113",
		"6228481698729890079",
		"6222081106004039591",
		"1234567812345670",
		"356938035643809",
		"1111222233334444",
	}

	var invalidBankCards = []string{
		"49927398717",
		"1234567812345678",
		"314143525252",
		"534618613411236",
		"1234567879855431",
		"374652346956782346957823694857692364857387456834",
		"79927398710",
		"79927398711",
		"79927398711",
		"79927398712",
		"79927398714",
		"79927398715",
		"79927398716",
		"79927398717",
		"79927398718",
		"79927398719",
		"621661280000447287",
		"79927398713",
		"49927398716",
		"374652346956782346957823694857692364857368475368",
	}

	for _, w := range validBankCards {
		t.Run("valid bank card: "+w, func(t *testing.T) {
			assert.True(t, IsValidBankCardNo(w))
		})
	}

	for _, w := range invalidBankCards {
		t.Run("invalid bank card: "+w, func(t *testing.T) {
			assert.False(t, IsValidBankCardNo(w))
		})
	}
}