Codecademy export

main.js

// Returns a random DNA base
const returnRandBase = () => {
  const dnaBases = ['A', 'T', 'C', 'G']
  return dnaBases[Math.floor(Math.random() * 4)] 
}

// Returns a random single stand of DNA containing 15 bases
const mockUpStrand = () => {
  const newStrand = []
  for (let i = 0; i < 15; i++) {
    newStrand.push(returnRandBase())
  }
  return newStrand
}

function pAequorFactory(num, arr){
  return{
    _specimenNum: num,
    _dna: arr,

    get specimenNum(){
      return this._specimenNum;
    },

    get dna(){
      return this._dna;
    },

    set specimenNum(newSpecimenNum){
      return this._specimenNum = newSpecimenNum;
    },

    set dna(newDna){
      return this._dna = newDna;
    },

    mutate(){
      console.log('DNA: \n' + this._dna);
      let pos = Math.floor(Math.random() * 15);
      console.log('Base position randomly selected: ' + pos + '\nChosen base: ' + this._dna[pos]);
  
      while(true){
        randBase = returnRandBase();
        if(!(this._dna[pos] === randBase)){
          break;
        }
      }
      console.log('Random Base Selected (different than the chosen one): ' + randBase);
      this._dna[pos] = randBase;
      console.log('New mutated DNA: ' + this._dna);
      },

    compareDNA(obj){
      let percentage = 0;
      for(let i = 0; i < this._dna.length; i++){
        if(this._dna[i] === obj._dna[i]){
          percentage++;
        }
      }
      return percentage * 100/15;
    },

    willLikelySurvive(){
      let likelyhood = 0;
      for(element in this._dna){
        if(this._dna[element] === 'C' || this._dna[element] === 'G'){
          likelyhood++;
        }
      }

      console.log('Likelyhood: ' + likelyhood * 100/15 + '%')
      if((likelyhood * 100/15) >= 60){
        return true;
      }else{
        return false;
      }
    },

    complementStrand(){
      let complement = [];
      for(element in this._dna){
        if(this._dna[element] === 'A'){
          complement.push('T');
        }
        else if(this._dna[element] === 'T'){
          complement.push('A');
        }
        else if(this._dna[element] === 'C'){
          complement.push('G');
        }
        if(this._dna[element] === 'G'){
          complement.push('C');
        }
      }
      return 'DNA received: ' + this._dna + '\nComplement: \n' + complement;
    }
  }
}

let organism1 = pAequorFactory(1, mockUpStrand());
//organism1.mutate();

let survivors = [];
let index = 0;
let control = 0;

while(survivors.length < 30){
    organism1 = pAequorFactory(index, mockUpStrand());
    console.log('Hi, I am N#: ' + control);
    control++;
    console.log('Will i survive? ' + organism1.willLikelySurvive());
    if(organism1.willLikelySurvive()){
      survivors.push(organism1);
      console.log('Yay, i was added! \nMy index is: ' + index);
      console.log('My DNA is: ' + organism1.dna + '\n');
      index++;
    }
    console.log('\n');
  }

for(element in survivors){
  console.log(survivors[element].specimenNum);
  console.log(survivors[element].dna);
}

console.log('\n \n');
console.log('The two most related survivors pAqueor are: ');

let resemblance = 0;
let arr = [];

for(let i = 0; i < survivors.length; i++){
  for(let j = 1; j < survivors.length; j++){
    if(i !== j && i < j){
      let comparison = [];
      resemblance = survivors[i].compareDNA(survivors[j]);
      console.log('N# ' + survivors[i].specimenNum);
      console.log('N# ' + survivors[j].specimenNum);
      console.log('Resemblance percentage: ' + resemblance + '%\n');
      comparison.push(survivors[i].specimenNum, survivors[j].specimenNum,resemblance);
      arr.push(comparison);
    }
  }
}

let related = 0;

for(let i = 0; i < arr.length; i++){
  if(related < arr[i][2]){
    related = arr[i][2];
  }
  if(related === 100){
    break;
  }
}

let highRel = 0;

console.log('Highest Resemblance Percentage: ' + related +'%');
console.log('\n\nThe two most related survivor instances of pAqueor are: ');
console.log('(Specimen 1 | Specimen 2 | Related Percentage)');

for(elem in arr){
  if(arr[elem][2] === related){
    console.log(arr[elem].join(' | '));
  }
}