import { GameState, PerkId } from "./types";
import { getSettingValue, setSettingValue } from "./settings";
import { allLevels, icons } from "./loadGameData";

import { t } from "./i18n/i18n";
import { toast } from "./toast";
import { schedulGameSound } from "./gameStateMutators";
import { getLevelUnlockCondition } from "./get_level_unlock_condition";

let list: {
  minScore: number;
  forbidden: PerkId[];
  required: PerkId[];
}[];
let unlocked: Set<string> | null = null;

export function monitorLevelsUnlocks(gameState: GameState) {
  if (!unlocked) {
    unlocked = new Set(
      getSettingValue("breakout_71_unlocked_levels", []) as string[],
    );
  }

  if (gameState.creative) return;

  if (!list) {
    list = allLevels.map((l, li) => ({
      name: l.name,
      li,
      l,
      ...getLevelUnlockCondition(li, l.name),
    }));
  }

  list.forEach(({ name, minScore, forbidden, required, l }) => {
    // Already unlocked
    if (unlocked!.has(name)) return;
    // Score not reached yet
    if (gameState.score < minScore) return;
    if (!minScore) return;

    if (gameState.score < minScore) return;
    // We are missing a required perk
    if (required.find((id) => !gameState.perks[id])) return;
    // We have a forbidden perk
    if (forbidden.find((id) => gameState.perks[id])) return;
    // Level just got unlocked
    unlocked!.add(name);
    setSettingValue(
      "breakout_71_unlocked_levels",
      getSettingValue("breakout_71_unlocked_levels", []).concat([name]),
    );

    toast(icons[name] + "<strong>" + t("unlocks.just_unlocked") + "</strong>");
    schedulGameSound(gameState, "colorChange", 0, 1);
  });
}