heroes logic

function heroes(input) {
    let heroesCount = Number(input.shift());
    let heroes = input.splice(0, heroesCount);
    let heroesObj = {};

    for (let hero of heroes) {
        let [name, health, mana] = hero.split(" ");
        health = Number(health);
        mana = Number(mana);
        if (!heroesObj.hasOwnProperty(name)) {
            heroesObj[name] = {health: health, mana: mana}
        }
    }
    let commands = input.splice(0, input.indexOf("End"));
    for (let line of commands) {
        let [command, heroName, value, spellName] = line.split(" - ");
        value = Number(value);

        switch (command) {
            case "CastSpell":
                let manaNeeded = value;
                let spell = spellName;


                if (heroesObj[heroName].mana < manaNeeded) {
                    console.log(`${heroName} does not have enough MP to cast ${spell}!`);
                } else if (heroesObj[heroName].mana > manaNeeded) {
                    let manaLeft = heroesObj[heroName].mana -= manaNeeded;
                    console.log(`${heroName} has successfully cast ${spell} and now has ${manaLeft} MP!`)

                }
                break;
            case "TakeDamage":
                let attacker = spellName;
                let damage = value;
                let currentHealth = heroesObj[heroName].health -= damage;
                if (currentHealth > 0) {
                    console.log(`${heroName} was hit for ${damage} HP by ${attacker} and now has ${currentHealth} HP left!`);
                } else {
                    delete heroesObj[heroName];
                    console.log(`${heroName} has been killed by ${attacker}!`);

                }
                break;
            case "Recharge":
                let newMana = value;
                if (heroesObj[heroName].mana + newMana >= 200) {
                    console.log(`${heroName} recharged for ${200 - heroesObj[heroName].mana} MP!`)
                    heroesObj[heroName].mana = 200;
                } else {
                    heroesObj[heroName].mana += newMana;
                    console.log(`${heroName} recharged for ${newMana} MP!`)

                }
                break;


            case "Heal":
                let newHealth = value;
                if (heroesObj[heroName].health + newHealth >= 100) {
                    console.log(`${heroName} healed for ${100 - heroesObj[heroName].health} HP!`)
                    heroesObj[heroName].health = 100;
                } else {
                    heroesObj[heroName].health += newHealth;
                    console.log(`${heroName} healed for ${newHealth} HP!`);
                }


        }

    }
    let nameSort = Object.entries(heroesObj).sort((a, b) => a[0].localeCompare(b[0]));
    let healthSort = nameSort.sort(((a, b) => b[1].health - a[1].health));
    for (let kvp of healthSort) {
        console.log(kvp[0]);
        console.log(`  HP: ${kvp[1].health}`);
        console.log(`  MP: ${kvp[1].mana}`);
    }


}