import { WOW335_TALENT_NODES } from "./wow335Talents.generated";

export const WOW335_WARRIOR_CRITICAL_BLOCK_TALENT_ID = "talent-1893";
export const WOW335_PALADIN_TOUCHED_BY_THE_LIGHT_TALENT_ID = "talent-2195";

const CRITICAL_BLOCK_SOURCE = WOW335_TALENT_NODES.find((node) => (
  node.id === WOW335_WARRIOR_CRITICAL_BLOCK_TALENT_ID
));

function normalizedRank(rank: number): number {
  return Number.isFinite(rank) ? Math.max(0, Math.min(3, Math.trunc(rank))) : 0;
}

/** Reads the generated tooltip's rank-specific extra reduction on a blocked hit. */
export function wow335WarriorCriticalBlockReductionPercent(rank: number): number {
  const safeRank = normalizedRank(rank);
  if (safeRank === 0) return 0;
  const description = CRITICAL_BLOCK_SOURCE?.rankDescriptions[safeRank - 1];
  const value = Number(description?.match(/reduce the damage you take from the blocked hit by (\d+)%/i)?.[1]);
  return Number.isFinite(value) ? value : 0;
}

/** Applies the generated reduction to post-block damage when source exclusions allow it. */
export function wow335WarriorCriticalBlockDamage(
  postBlockDamage: number,
  rank: number,
  blocked: boolean,
  attackerIsPlayer: boolean,
  touchedByTheLightRank: number,
): number {
  if (!Number.isFinite(postBlockDamage)) return 0;
  const damage = Math.max(0, postBlockDamage);
  if (!blocked || attackerIsPlayer || normalizedRank(touchedByTheLightRank) > 0) return Math.round(damage);
  const reductionPercent = wow335WarriorCriticalBlockReductionPercent(rank);
  return Math.round(damage * (1 - reductionPercent / 100));
}