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Created Sep 22, 2022
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// All valid credit card numbers
const valid1 = [4, 5, 3, 9, 6, 7, 7, 9, 0, 8, 0, 1, 6, 8, 0, 8];
const valid2 = [5, 5, 3, 5, 7, 6, 6, 7, 6, 8, 7, 5, 1, 4, 3, 9];
const valid3 = [3, 7, 1, 6, 1, 2, 0, 1, 9, 9, 8, 5, 2, 3, 6];
const valid4 = [6, 0, 1, 1, 1, 4, 4, 3, 4, 0, 6, 8, 2, 9, 0, 5];
const valid5 = [4, 5, 3, 9, 4, 0, 4, 9, 6, 7, 8, 6, 9, 6, 6, 6];
// All invalid credit card numbers
const invalid1 = [4, 5, 3, 2, 7, 7, 8, 7, 7, 1, 0, 9, 1, 7, 9, 5];
const invalid2 = [5, 7, 9, 5, 5, 9, 3, 3, 9, 2, 1, 3, 4, 6, 4, 3];
const invalid3 = [3, 7, 5, 7, 9, 6, 0, 8, 4, 4, 5, 9, 9, 1, 4];
const invalid4 = [6, 0, 1, 1, 1, 2, 7, 9, 6, 1, 7, 7, 7, 9, 3, 5];
const invalid5 = [5, 3, 8, 2, 0, 1, 9, 7, 7, 2, 8, 8, 3, 8, 5, 4];
//Can be either valid or invalid
const mystery1 = [3, 4, 4, 8, 0, 1, 9, 6, 8, 3, 0, 5, 4, 1, 4];
const mystery2 = [5, 4, 6, 6, 1, 0, 0, 8, 6, 1, 6, 2, 0, 2, 3, 9];
const mystery3 = [6, 0, 1, 1, 3, 7, 7, 0, 2, 0, 9, 6, 2, 6, 5, 6, 2, 0, 3];
const mystery4 = [4, 9, 2, 9, 8, 7, 7, 1, 6, 9, 2, 1, 7, 0, 9, 3];
const mystery5 = [4, 9, 1, 3, 5, 4, 0, 4, 6, 3, 0, 7, 2, 5, 2, 3];
//An array of all the arrays above
const batch = [valid1, valid2, valid3, valid4, valid5, invalid1, invalid2, invalid3, invalid4, invalid5, mystery1, mystery2, mystery3, mystery4, mystery5];
//Add your functions below:
function validateCred(cardNumberArray){
let InvertNumbers= cardNumberArray.reverse();
const initSum=0;
const sum =InvertNumbers.reduce((sum,digit,index)=>{
if (index % 2 !==0){
digit*=2;
if (digit > 9){
digit-=9;
}
}
return sum + digit
},initSum);
return sum % 10 ===0;
}
//console.log(validateCred(invalid1));
const findInvalidCards=(CardsNumbers)=>{
return CardsNumbers.filter((numbers)=>validateCred(numbers)===false?numbers:null);
}
const idInvalidCardCompanies=(invalisCards)=>{
const companyCC={
3:"Amex (American Express)",
4:"Visa",
5:"Mastercard",
6:"Discover"
};
let getIdCards=invalisCards.map((item)=>{
let fistDigit=item[0];
if(fistDigit>=3 && fistDigit<=6){
return fistDigit;
}else{
console.log("Company not found") ;
}
});
getIdCards=[...new Set(getIdCards)];
return getIdCards.map((comp)=>companyCC[comp]);
}
var NoCompanie=[6, 9, 1, 3, 5, 4, 0, 4, 6, 3, 0, 7, 2, 5, 2, 3];
var val=idInvalidCardCompanies([NoCompanie]);
console.log(val);
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