var Person = function (firstAndLast) {

  // Only change code below this line
  // Complete the method below and implement the others similarly


  let arr = [];

  let counterLastName = 0;

  let counterFirstName = 0;

  let counterFullName = 0;


  this.setFirstName = function (firstName) {

    counterFirstName++;

    arr.push(firstName);

    return firstName;

  }

  this.setLastName = function (lastName) {

    counterLastName++;

    arr.push(lastName);

    return lastName;

  }


  this.setFullName = function (fullName) {

    counterFullName++;

    arr = fullName.split(' ');


    console.log(arr);

    return fullName;

  }





  this.getFullName = function () {


    if (counterFullName > 0) {

      return `${arr[0]} ${arr[1]}`;

    } else if (arr.length === 1 && counterFirstName > 0) {

      return `${arr[0]} ${this.getLastName()}`;

    } else if (arr.length === 1 && counterLastName > 0) {

      return `${this.getFirstName()} ${arr[0]}`;

    } else if (arr.length === 2) {

      return `${arr[0]} ${arr[1]}`;

    } else {

      return `${this.getFirstName()} ${this.getLastName()}`;

    }

  };




  this.getFirstName = function () {

    if (counterFullName > 0) {

      return `${arr[0]}`;

    } else {

      return firstAndLast.split(' ')[0];

    }



  }


  this.getLastName = function () {

    if (counterFullName > 0) {

      return `${arr[1]}`;

    } else {

      return firstAndLast.split(' ')[1];

    }



  }



  return;

};



var bob = new Person('Bob Ross');



//  bob.setFirstName("Haskell");

// bob.setLastName("Curry");

bob.setFullName("Haskell Curry");

console.log(bob.getFullName());

console.log(bob.getFirstName());

console.log(bob.getLastName());

console.log(Object.keys(bob).length);

console.log(Object.keys(bob));

console.log(bob['setFirstName']);