Battle Manager

function solve(input) {
   let records = {};


   function add(person, health, energy) {
      if (!records.hasOwnProperty(person)) {
         records[person] = {};
         records[person].health = 0;
         records[person].energy = energy;
      }
      records[person].health += health;

   };

   function attack(attackerName, defenderName, damage) {
      if (records[attackerName] && records[defenderName]) {
         records[defenderName].health -= damage;
      }
      if (records[defenderName].health <= 0) {
         console.log(`${defenderName} was disqualified!`);
         delete records[defenderName];

      }
      records[attackerName].energy -= 1;
      if (records[attackerName].energy <= 0) { //may be without <
         console.log(`${attackerName} was disqualified!`);
         delete records[attackerName];

      }

   };

   function deletion(userName) {
      if (userName === "All") {
         for (let prop in records) {
            delete records[prop];
         }
      } else {
         if (records.hasOwnProperty(userName)) {
            delete records[userName];
         }
      }
   };
   for (let line of input) {
      if (line === 'Results') {
         break;
      }
      let tokens = line.split(':');
      if (tokens !== undefined && tokens !== null) {
         let command = tokens.shift();
         if (command === 'Add') {
            let person = tokens[0];
            let health = Number(tokens[1]);
            let energy = Number(tokens[2]);
            add(person, health, energy);
         } else if (command === 'Attack') {
            let attackerName = tokens[0];
            let defenderName = tokens[1];
            let damage = Number(tokens[2]);
            attack(attackerName, defenderName, damage);
         } else if (command === 'Delete') {
            let username = tokens[0];
            deletion(username);
         }
      }

   }
   let countofPeople = 0;
   countofPeople = Object.keys(records).length;
   if (countofPeople !== 0) {
      console.log(`People count: ${countofPeople}`);
   }
   let sorted = Object.entries(records);
   sorted.sort((a, b) => b[1].health - a[1].health || a[0].localeCompare(b[0]));
   if (sorted.length > 0) {
      sorted.forEach(element => {
         console.log(`${element[0]} - ${element[1].health} - ${element[1].energy}`);
      });
   }


}