import type { GameState } from "@elysium/types";
import { TITLES } from "../data/titles.js";

export const checkAndUnlockTitles = (
  currentUnlocked: string[],
  state: GameState,
  guildName: string,
  createdAt: number,
): string[] => {
  const metrics: Record<string, number | boolean> = {
    totalClicks: state.player.totalClicks,
    totalGoldEarned: state.player.totalGoldEarned,
    bossesDefeated: state.bosses.filter((b) => b.status === "defeated").length,
    questsCompleted: state.quests.filter((q) => q.status === "completed").length,
    prestigeCount: state.prestige.count,
    transcendenceCount: state.transcendence?.count ?? 0,
    apotheosisCount: state.apotheosis?.count ?? 0,
    adventurerTotal: state.adventurers.reduce((sum, a) => sum + a.count, 0),
    achievementsUnlocked: state.achievements.filter((a) => a.unlockedAt !== null).length,
    guildFounded: guildName.trim().length > 0,
    playedDays: Math.floor((Date.now() - createdAt) / 86_400_000),
  };

  const newlyUnlocked: string[] = [];

  for (const title of TITLES) {
    if (currentUnlocked.includes(title.id)) continue;

    const { type, amount } = title.condition;
    let earned = false;

    if (type === "guildFounded") {
      earned = metrics.guildFounded === true;
    } else if (amount !== undefined) {
      earned = (metrics[type] as number) >= amount;
    }

    if (earned) {
      newlyUnlocked.push(title.id);
    }
  }

  return newlyUnlocked;
};

export const parseUnlockedTitles = (raw: unknown): string[] => {
  if (Array.isArray(raw)) {
    return raw.filter((item): item is string => typeof item === "string");
  }
  return [];
};