import type { PlatformBrowseHistoryEntry } from '../../../packages/shared/src/contracts/runtime';
import type { PlatformPublicGalleryCard } from '../rpg-entry/rpgEntryWorldPresentation';

export const EDUTAINMENT_WORK_TAG = '寓教于乐';
export const EDUTAINMENT_HIDDEN_MESSAGE = '该内容暂不可见。';

const EDUTAINMENT_ENTRY_DISABLED_VALUES = new Set(['false', '0', 'off', 'no']);

// 中文注释：入口默认开启；只有明确写入关闭值时才完全隐藏寓教于乐内容。
export function isEdutainmentEntryEnabled(
  rawValue = import.meta.env.VITE_ENABLE_EDUTAINMENT_ENTRY,
) {
  const normalized = (rawValue ?? '').trim().toLowerCase();
  return !EDUTAINMENT_ENTRY_DISABLED_VALUES.has(normalized);
}

function getPlatformPublicWorkTags(entry: PlatformPublicGalleryCard) {
  if ('themeTags' in entry) {
    return entry.themeTags;
  }

  return [];
}

export function isEdutainmentPublicWork(entry: PlatformPublicGalleryCard) {
  return getPlatformPublicWorkTags(entry).some(
    (tag) => tag === EDUTAINMENT_WORK_TAG,
  );
}

export function canExposePublicWork(entry: PlatformPublicGalleryCard) {
  return isEdutainmentEntryEnabled() || !isEdutainmentPublicWork(entry);
}

export function filterGeneralPublicWorks(entries: PlatformPublicGalleryCard[]) {
  return entries.filter((entry) => !isEdutainmentPublicWork(entry));
}

export function filterEdutainmentPublicWorks(
  entries: PlatformPublicGalleryCard[],
) {
  return entries.filter(isEdutainmentPublicWork);
}

export function filterVisiblePublicWorks(entries: PlatformPublicGalleryCard[]) {
  return entries.filter(canExposePublicWork);
}

export function findPublicWorkForHistoryEntry(
  historyEntry: PlatformBrowseHistoryEntry,
  entries: PlatformPublicGalleryCard[],
) {
  return entries.find(
    (entry) =>
      entry.ownerUserId === historyEntry.ownerUserId &&
      entry.profileId === historyEntry.profileId,
  );
}