Vera-Fileyeva-week2-day1-Extra-lab

src/viking.js

@@ -1,11 +1,108 @@
 // Soldier
-class Soldier {}
+class Soldier {
+  constructor(health, strength) {
+    this.health = health;
+    this.strength = strength;
+  }
+
+  attack() {
+    return this.strength;
+  }
+
+  receiveDamage(damage) {
+    this.health -= damage;
+  }
+}
 
 // Viking
-class Viking {}
+class Viking extends Soldier {
+  constructor(name, health, strength) {
+    super(health, strength);
+    this.name = name;
+  }
+
+  receiveDamage(damage) {
+    this.health -= damage;
+    if (this.health > 0)
+      return `${this.name} has received ${damage} points of damage`;
+    else return `${this.name} has died in act of combat`;
+  }
+
+  battleCry() {
+    return "Odin Owns You All!";
+  }
+}
 
 // Saxon
-class Saxon {}
+class Saxon extends Soldier {
+  receiveDamage(damage) {
+    this.health -= damage;
+    if (this.health > 0)
+      return `A Saxon has received ${damage} points of damage`;
+    else return `A Saxon has died in combat`;
+  }
+}
+
+function getRandomIntInclusive(min, max) {
+  const minCeiled = Math.ceil(min);
+  const maxFloored = Math.floor(max);
+  return Math.floor(Math.random() * (maxFloored - minCeiled + 1) + minCeiled); // The maximum is inclusive and the minimum is inclusive
+}
 
 // War
-class War {}
+class War {
+  constructor() {
+    this.vikingArmy = [];
+    this.saxonArmy = [];
+  }
+  addViking(vikingObj) {
+    this.vikingArmy.push(vikingObj);
+  }
+  addSaxon(saxonObj) {
+    this.saxonArmy.push(saxonObj);
+  }
+
+  //getting an objects who is attacked (a Saxon or a Viking) and who attacks (Saxon or Viking)
+  attack(who, byWho) {
+    return who.receiveDamage(byWho.strength);
+  }
+
+  getRandomViking() {
+    return this.vikingArmy[
+      getRandomIntInclusive(0, this.vikingArmy.length - 1)
+    ];
+  }
+
+  getRandomSaxon() {
+    return this.saxonArmy[getRandomIntInclusive(0, this.saxonArmy.length - 1)];
+  }
+
+  removeDiedSoldier(soldier, army) {
+    const indexToRemove = army.indexOf(soldier);
+    army.splice(indexToRemove, 1);
+  }
+
+  vikingAttack() {
+    const saxon = this.getRandomSaxon();
+    const viking = this.getRandomViking();
+    const resultOfAttack = this.attack(saxon, viking);
+
+    if (resultOfAttack.includes("died"))
+      this.removeDiedSoldier(saxon, this.saxonArmy);
+
+    return resultOfAttack;
+  }
+
+  saxonAttack() {
+    const saxon = this.getRandomSaxon();
+    const viking = this.getRandomViking();
+
+    const resultOfAttack = this.attack(viking, saxon);
+
+    if (resultOfAttack.includes("died"))
+      this.removeDiedSoldier(viking, this.vikingArmy);
+
+    return resultOfAttack;
+  }
+  showStatus() {}
+}