export interface HealingResolution {
  readonly rawAmount: number;
  readonly effectiveAmount: number;
  readonly overheal: number;
  readonly critical: boolean;
}
export function resolveHealing(
  amount: number,
  currentHealth: number,
  maximumHealth: number,
  criticalChance = 0,
  roll = 1,
  criticalMultiplier = 1.5,
): HealingResolution {
  const critical = Number.isFinite(roll) && roll < Math.max(0, Math.min(1, criticalChance));
  const rawAmount = Math.max(0, Math.round(
    (Number.isFinite(amount) ? amount : 0) * (critical ? Math.max(1, criticalMultiplier) : 1),
  ));
  const missing = Math.max(0, (Number.isFinite(maximumHealth) ? maximumHealth : 0)
    - (Number.isFinite(currentHealth) ? currentHealth : 0));
  const effectiveAmount = Math.min(rawAmount, missing);
  return Object.freeze({
    rawAmount,
    effectiveAmount,
    overheal: rawAmount - effectiveAmount,
    critical,
  });
}