import type {
  CustomWorldGalleryCard,
  CustomWorldLibraryEntry,
} from '../../../packages/shared/src/contracts/runtime';
import type { PuzzleWorkSummary } from '../../../packages/shared/src/contracts/puzzleWorkSummary';
import { buildCustomWorldPlayableCharacters } from '../../data/characterPresets';
import { resolveCustomWorldCampSceneImage } from '../../data/customWorldVisuals';
import { buildPuzzlePublicWorkCode } from '../../services/publicWorkCode';
import type { CustomWorldProfile } from '../../types';

export type PlatformWorldCardLike =
  | CustomWorldGalleryCard
  | CustomWorldLibraryEntry<CustomWorldProfile>
  | PlatformPuzzleGalleryCard;

export type PlatformPuzzleGalleryCard = {
  sourceType: 'puzzle';
  workId: string;
  profileId: string;
  publicWorkCode: string;
  ownerUserId: string;
  authorDisplayName: string;
  worldName: string;
  subtitle: string;
  summaryText: string;
  coverImageSrc: string | null;
  themeTags: string[];
  visibility: 'published';
  publishedAt: string | null;
  updatedAt: string;
};

export type PlatformPublicGalleryCard =
  | CustomWorldGalleryCard
  | PlatformPuzzleGalleryCard;

export function isLibraryWorldEntry(
  entry: PlatformWorldCardLike,
): entry is CustomWorldLibraryEntry<CustomWorldProfile> {
  return 'profile' in entry;
}

export function isPuzzleGalleryEntry(
  entry: PlatformWorldCardLike,
): entry is PlatformPuzzleGalleryCard {
  return 'sourceType' in entry && entry.sourceType === 'puzzle';
}

export function mapPuzzleWorkToPlatformGalleryCard(
  work: PuzzleWorkSummary,
): PlatformPuzzleGalleryCard {
  return {
    sourceType: 'puzzle',
    workId: work.workId,
    profileId: work.profileId,
    publicWorkCode: buildPuzzlePublicWorkCode(work.profileId),
    ownerUserId: work.ownerUserId,
    authorDisplayName: work.authorDisplayName,
    worldName: work.levelName,
    subtitle: '拼图关卡',
    summaryText: work.summary,
    coverImageSrc: work.coverImageSrc,
    themeTags: work.themeTags,
    visibility: 'published',
    publishedAt: work.publishedAt,
    updatedAt: work.updatedAt,
  };
}

export function resolvePlatformWorldCoverImage(entry: PlatformWorldCardLike) {
  if (entry.coverImageSrc) {
    return entry.coverImageSrc;
  }

  if (isLibraryWorldEntry(entry)) {
    return resolveCustomWorldCampSceneImage(entry.profile) ?? '';
  }

  return '';
}

export function resolvePlatformWorldLeadPortrait(entry: PlatformWorldCardLike) {
  if (!isLibraryWorldEntry(entry)) {
    return '';
  }

  return buildCustomWorldPlayableCharacters(entry.profile)[0]?.portrait ?? '';
}

export function buildPlatformWorldTags(entry: PlatformWorldCardLike) {
  if (isPuzzleGalleryEntry(entry)) {
    return entry.themeTags.length > 0 ? entry.themeTags.slice(0, 3) : ['拼图'];
  }

  if (!isLibraryWorldEntry(entry)) {
    return [
      describePlatformThemeLabel(entry.themeMode),
      `${entry.playableNpcCount} 角色`,
      `${entry.landmarkCount} 地标`,
    ];
  }

  return [
    ...entry.profile.majorFactions.slice(0, 2),
    ...entry.profile.coreConflicts.slice(0, 1),
  ]
    .map((value) => value.trim())
    .filter(Boolean)
    .slice(0, 3);
}

export function formatPlatformWorldTime(value: string | null) {
  if (!value) {
    return '未发布';
  }

  const date = new Date(value);
  if (Number.isNaN(date.getTime())) {
    return value;
  }

  return date.toLocaleDateString('zh-CN', {
    month: '2-digit',
    day: '2-digit',
  });
}

export function resolvePlatformPublicWorkCode(
  entry: PlatformWorldCardLike,
): string | null {
  if (isPuzzleGalleryEntry(entry)) {
    return entry.publicWorkCode;
  }

  return entry.publicWorkCode;
}

export function describePlatformThemeLabel(
  themeMode: CustomWorldGalleryCard['themeMode'],
) {
  switch (themeMode) {
    case 'martial':
      return '江湖';
    case 'arcane':
      return '灵脉';
    case 'machina':
      return '机巧';
    case 'tide':
      return '潮痕';
    case 'rift':
      return '裂界';
    default:
      return '回响';
  }
}