import { useLocalStorage } from "@vueuse/core";

const STORAGE_ID = "nds-achievements";

export const ACHIEVEMENTS = [
  { id: "boot", secret: false },
  // projects
  { id: "projects_visit", secret: false },
  { id: "projects_view_5", secret: false },
  { id: "projects_open_link", secret: false },
  // gallery
  { id: "gallery_visit", secret: false },
  // contact
  { id: "contact_visit", secret: false },
  { id: "contact_git_visit", secret: false },
  { id: "contact_linkedin_visit", secret: false },
  // settings
  { id: "settings_color_change", secret: false },
  { id: "settings_visit_all", secret: false },
  // snake
  { id: "snake_score_25", secret: false },
  // 2048
  { id: "2048_score_512", secret: false },
  // taptap
  { id: "taptap_score_20", secret: false },
  // meta
  { id: "all_achievements", secret: false },
] as const;

export type Achievement = (typeof ACHIEVEMENTS)[number]["id"];

export const useAchievementsStore = defineStore("achievements", () => {
  const storage = useLocalStorage(
    STORAGE_ID,
    {
      unlocked: [] as Achievement[],
      advancement: {
        visitedSettings: [] as string[],
      },
    },
    { mergeDefaults: true },
  );

  const unlock = (name: Achievement) => {
    if (storage.value.unlocked.includes(name)) {
      return false;
    }

    storage.value.unlocked.push(name);

    if (name !== "all_achievements") {
      const othersCount = ACHIEVEMENTS.length - 1;
      const unlockedOthers = storage.value.unlocked.filter(
        (id) => id !== "all_achievements" && validIds.has(id as Achievement),
      ).length;
      if (unlockedOthers === othersCount) {
        unlock("all_achievements");
      }
    }

    return true;
  };

  const reset = () => {
    storage.value = {
      unlocked: [],
      advancement: {
        visitedSettings: [],
      },
    };
  };

  const validIds = new Set(ACHIEVEMENTS.map((a) => a.id));
  const unlocked = computed(() =>
    storage.value.unlocked.filter((id) => validIds.has(id as Achievement)),
  );

  return {
    unlocked,
    advancement: computed(() => storage.value.advancement),
    allObtained: computed(() => unlocked.value.length === ACHIEVEMENTS.length),
    unlock,
    reset,
    isUnlocked: computed(
      () => (name: Achievement) => storage.value.unlocked.includes(name),
    ),
  };
});