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

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

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

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 (!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 describePlatformThemeLabel(themeMode: PlatformWorldCardLike['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';
  }
}