import { WOW335_TALENT_NODES } from "./wow335Talents.generated";
import type { AuraDefinition } from "./combatAuras";

export const WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_TALENT_ID = "talent-161";
export const WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_READY_TAG = "wow335-warrior-improved-victory-rush-ready";
export const WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_COOLDOWN_TAG = "wow335-warrior-improved-victory-rush-cooldown";
export const WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_ABILITY_ID = "wow335-warrior-improved-victory-rush";
export const WOW335_WARRIOR_VICTORY_RUSH_KILL_READY_TAG = "wow335-warrior-victory-rush-kill-ready";
export const WOW335_WARRIOR_VICTORY_RUSH_KILL_WINDOW_MS = 20_000;

export interface Wow335WarriorImprovedVictoryRushProfile {
  readonly rank: number;
  readonly parryProcChancePercent: number;
  readonly criticalChanceBonusPercent: number;
  readonly additionalThreatPercent: number;
  readonly readyDurationMs: number;
  readonly internalCooldownMs: number;
}

const talent = WOW335_TALENT_NODES.find((node) => (
  node.id === WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_TALENT_ID
));

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

function parsePositiveMatch(text: string | undefined, pattern: RegExp): number {
  const value = Number(text?.match(pattern)?.[1]);
  return Number.isFinite(value) && value > 0 ? value : 0;
}

export function wow335WarriorImprovedVictoryRushProfile(
  rank: number,
): Wow335WarriorImprovedVictoryRushProfile {
  const safeRank = boundedRank(rank);
  const rankIndex = safeRank - 1;
  const rankDescription = safeRank > 0 ? talent?.rankDescriptions[rankIndex] : undefined;
  return {
    rank: safeRank,
    parryProcChancePercent: safeRank > 0
      ? talent?.rankEffects[rankIndex]?.procChance ?? 0
      : 0,
    criticalChanceBonusPercent: parsePositiveMatch(
      rankDescription,
      /critical strike chance of your Victory Rush by (\d+)%/i,
    ),
    additionalThreatPercent: parsePositiveMatch(
      rankDescription,
      /additional (\d+)% threat/i,
    ),
    readyDurationMs: parsePositiveMatch(
      talent?.description,
      /allow the use of Victory Rush for (\d+) seconds/i,
    ) * 1_000,
    internalCooldownMs: parsePositiveMatch(
      talent?.description,
      /once every (\d+) seconds/i,
    ) * 1_000,
  };
}

/** A successful parry can arm the generated Victory Rush window unless its ICD is active. */
export function wow335WarriorImprovedVictoryRushShouldProc(
  rank: number,
  parried: boolean,
  internalCooldownActive: boolean,
  rollPercent: number,
): boolean {
  const profile = wow335WarriorImprovedVictoryRushProfile(rank);
  return profile.rank > 0
    && parried
    && !internalCooldownActive
    && Number.isFinite(rollPercent)
    && rollPercent >= 0
    && rollPercent < profile.parryProcChancePercent;
}

/** The tooltip's permanent rank bonus applies to every Victory Rush hit. */
export function wow335WarriorImprovedVictoryRushCriticalChanceBonusPercent(
  rank: number,
  abilityName: string,
): number {
  if (abilityName.trim().toLowerCase() !== "victory rush") return 0;
  return wow335WarriorImprovedVictoryRushProfile(rank).criticalChanceBonusPercent;
}

/** The extra-threat rider applies only to Victory Rush casts made from the parry window. */
export function wow335WarriorImprovedVictoryRushThreatScale(
  rank: number,
  abilityName: string,
  parryWindowReady: boolean,
): number {
  if (!parryWindowReady || abilityName.trim().toLowerCase() !== "victory rush") return 1;
  return 1 + wow335WarriorImprovedVictoryRushProfile(rank).additionalThreatPercent / 100;
}

export function wow335WarriorImprovedVictoryRushReadyAuraDefinition(
  rank: number,
): AuraDefinition | null {
  const profile = wow335WarriorImprovedVictoryRushProfile(rank);
  if (profile.rank <= 0 || profile.readyDurationMs <= 0) return null;
  return {
    id: WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_READY_TAG,
    name: "Victory Rush ready",
    description: `A parry enables Victory Rush with ${profile.additionalThreatPercent}% additional threat.`,
    disposition: "buff",
    durationMs: profile.readyDurationMs,
    maxStacks: 1,
    stackBehavior: "refresh",
    uniqueBySource: true,
    utilityTags: [WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_READY_TAG],
  };
}

export function wow335WarriorImprovedVictoryRushCooldownAuraDefinition(
  rank: number,
): AuraDefinition | null {
  const profile = wow335WarriorImprovedVictoryRushProfile(rank);
  if (profile.rank <= 0 || profile.internalCooldownMs <= 0) return null;
  return {
    id: WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_COOLDOWN_TAG,
    name: "Improved Victory Rush cooldown",
    disposition: "buff",
    durationMs: profile.internalCooldownMs,
    maxStacks: 1,
    stackBehavior: "refresh",
    hideFromAuraStrip: true,
    uniqueBySource: true,
    utilityTags: [WOW335_WARRIOR_IMPROVED_VICTORY_RUSH_COOLDOWN_TAG],
  };
}

export function wow335WarriorVictoryRushKillAuraDefinition(): AuraDefinition {
  return {
    id: WOW335_WARRIOR_VICTORY_RUSH_KILL_READY_TAG,
    name: "Victory Rush ready",
    description: "A qualifying kill enables Victory Rush for 20 seconds.",
    disposition: "buff",
    durationMs: WOW335_WARRIOR_VICTORY_RUSH_KILL_WINDOW_MS,
    maxStacks: 1,
    stackBehavior: "refresh",
    uniqueBySource: true,
    utilityTags: [WOW335_WARRIOR_VICTORY_RUSH_KILL_READY_TAG],
  };
}