import { ITank } from "./Tank";

type CritMultiplier = (health: number) => number;
export const critMultiplier: CritMultiplier = (health) =>
  Math.floor(Math.random() * 10) >= 10 - health / 10 ? 1 : 2;

type SetStats = (tank: ITank) => ITank;
export const setStats: SetStats = (tank) => ({
  ...tank,
  attackDelay: tank.attackDelay === 0 ? Math.floor(tank.health / 10) : tank.attackDelay - 1,
} as ITank);

type IsLive = (tank: ITank) => boolean;
export const isLive: IsLive = (tank) => tank.health >= 0;

type IsOther = (name: string) => (tank: ITank) => boolean;
export const isOther: IsOther = (name) => (tank) => tank.name !== name;