export const PLAYER_MAX_HULL = 100;
export const DEFAULT_PIRATE_SHOT_DAMAGE = 6;

export const normalizePlayerDamage = (
  rawDamage,
  fallback = DEFAULT_PIRATE_SHOT_DAMAGE,
) => {
  const parsed = Number(rawDamage);
  const value = Number.isFinite(parsed) ? parsed : fallback;
  return Math.max(1, Math.min(25, value));
};

export const reducePlayerProjectileHits = ({
  hull,
  hits,
  maxHull = PLAYER_MAX_HULL,
  fallbackDamage = DEFAULT_PIRATE_SHOT_DAMAGE,
}) => {
  const currentHull = Number.isFinite(hull) ? hull : maxHull;
  const totalDamage = hits.reduce(
    (sum, hit) => sum + normalizePlayerDamage(hit?.damage, fallbackDamage),
    0,
  );
  const nextHull = Math.max(0, currentHull - totalDamage);

  return {
    hull: nextHull,
    totalDamage,
    appliedHits: hits.length,
    gameOver: nextHull <= 0,
  };
};

export const resolveTaggedProjectile = (first, second, owner) => {
  for (const candidate of [first, second]) {
    if (!candidate || typeof candidate.getData !== 'function') continue;
    if (candidate.getData('projectileOwner') === owner) return candidate;
  }
  return null;
};