import type { Match3DAgentSessionSnapshot } from '../../../packages/shared/src/contracts/match3dAgent';
import type { Match3DRunSnapshot } from '../../../packages/shared/src/contracts/match3dRuntime';
import type {
  Match3DGeneratedBackgroundAsset,
  Match3DGeneratedItemAsset,
  Match3DWorkProfile,
  Match3DWorkSummary,
} from '../../../packages/shared/src/contracts/match3dWorks';
import {
  hasMatch3DGeneratedImageAsset,
  mergeMatch3DGeneratedItemAssetsForRuntime,
  normalizeMatch3DGeneratedItemAssetsForRuntime,
} from '../../services/match3dGeneratedModelCache';
import {
  isMatch3DGalleryEntry,
  mapMatch3DWorkToPlatformGalleryCard,
  type PlatformPublicGalleryCard,
} from '../rpg-entry/rpgEntryWorldPresentation';

export function mapMatch3DWorkToPublicWorkDetail(
  item: Match3DWorkSummary,
): PlatformPublicGalleryCard {
  return mapMatch3DWorkToPlatformGalleryCard(
    normalizeMatch3DWorkForRuntimeUi(item),
  );
}

export function mapPublicWorkDetailToMatch3DWork(
  entry: PlatformPublicGalleryCard,
): Match3DWorkSummary | null {
  if (!isMatch3DGalleryEntry(entry)) {
    return null;
  }

  return promoteMatch3DGeneratedBackgroundAsset({
    workId: entry.workId,
    profileId: entry.profileId,
    ownerUserId: entry.ownerUserId,
    sourceSessionId:
      'sourceSessionId' in entry && typeof entry.sourceSessionId === 'string'
        ? entry.sourceSessionId
        : null,
    gameName: entry.worldName,
    themeText: entry.themeTags[0] ?? '经典消除',
    summary: entry.summaryText,
    tags: entry.themeTags,
    coverImageSrc: entry.coverImageSrc,
    referenceImageSrc: null,
    clearCount: 12,
    difficulty: 4,
    publicationStatus: 'published',
    playCount: entry.playCount ?? 0,
    updatedAt: entry.updatedAt,
    publishedAt: entry.publishedAt,
    publishReady: true,
    backgroundPrompt: entry.backgroundPrompt ?? null,
    backgroundImageSrc: entry.backgroundImageSrc ?? null,
    backgroundImageObjectKey: entry.backgroundImageObjectKey ?? null,
    generatedBackgroundAsset:
      entry.generatedBackgroundAsset ??
      findMatch3DGeneratedBackgroundAsset(entry.generatedItemAssets) ??
      null,
    generatedItemAssets: normalizeMatch3DGeneratedItemAssetsForRuntime(
      entry.generatedItemAssets ?? [],
    ),
  });
}

export function findMatch3DGeneratedBackgroundAsset(
  generatedItemAssets: readonly Match3DGeneratedItemAsset[] | null | undefined,
): Match3DGeneratedBackgroundAsset | null {
  return (
    generatedItemAssets
      ?.map((asset) => asset.backgroundAsset ?? null)
      .find(Boolean) ?? null
  );
}

export function promoteMatch3DGeneratedBackgroundAsset<
  T extends Pick<
    Match3DWorkSummary,
    | 'backgroundPrompt'
    | 'backgroundImageSrc'
    | 'backgroundImageObjectKey'
    | 'generatedBackgroundAsset'
    | 'generatedItemAssets'
  >,
>(profile: T): T {
  const backgroundAsset =
    profile.generatedBackgroundAsset ??
    findMatch3DGeneratedBackgroundAsset(profile.generatedItemAssets);
  if (!backgroundAsset) {
    return profile;
  }

  return {
    ...profile,
    backgroundPrompt:
      profile.backgroundPrompt ?? backgroundAsset.prompt ?? null,
    backgroundImageSrc:
      profile.backgroundImageSrc ??
      backgroundAsset.imageSrc ??
      backgroundAsset.imageObjectKey ??
      null,
    backgroundImageObjectKey:
      profile.backgroundImageObjectKey ??
      backgroundAsset.imageObjectKey ??
      backgroundAsset.imageSrc ??
      null,
    generatedBackgroundAsset:
      profile.generatedBackgroundAsset ?? backgroundAsset,
  };
}

export function normalizeMatch3DWorkForRuntimeUi<T extends Match3DWorkSummary>(
  profile: T,
): T {
  return promoteMatch3DGeneratedBackgroundAsset({
    ...profile,
    generatedItemAssets: normalizeMatch3DGeneratedItemAssetsForRuntime(
      profile.generatedItemAssets,
    ),
  });
}

export function mapMatch3DWorksForRuntimeUi<T extends Match3DWorkSummary>(
  profiles: readonly T[],
): T[] {
  return profiles.map(normalizeMatch3DWorkForRuntimeUi);
}

export function buildMatch3DProfileFromSession(
  session: Match3DAgentSessionSnapshot | null,
): Match3DWorkProfile | null {
  const draft = session?.draft;
  if (!session || !draft?.profileId) {
    return null;
  }

  const now = session.updatedAt || new Date().toISOString();
  const generatedItemAssets = normalizeMatch3DGeneratedItemAssetsForRuntime(
    draft.generatedItemAssets,
  );
  return promoteMatch3DGeneratedBackgroundAsset({
    workId: draft.profileId,
    profileId: draft.profileId,
    ownerUserId: 'current-user',
    sourceSessionId: session.sessionId,
    gameName: draft.gameName,
    themeText: draft.themeText,
    summary: draft.summary ?? draft.summaryText ?? '',
    tags: draft.tags,
    coverImageSrc: draft.coverImageSrc ?? draft.referenceImageSrc ?? null,
    referenceImageSrc: draft.referenceImageSrc ?? null,
    clearCount: draft.clearCount,
    difficulty: draft.difficulty,
    publicationStatus: 'draft',
    playCount: 0,
    updatedAt: now,
    publishedAt: null,
    publishReady: Boolean(draft.publishReady),
    backgroundPrompt: draft.backgroundPrompt ?? null,
    backgroundImageSrc: draft.backgroundImageSrc ?? null,
    backgroundImageObjectKey: draft.backgroundImageObjectKey ?? null,
    generatedBackgroundAsset: draft.generatedBackgroundAsset ?? null,
    generatedItemAssets,
  });
}

export function hasMatch3DRuntimeAsset(
  assets: readonly Match3DGeneratedItemAsset[] | null | undefined,
) {
  return hasMatch3DGeneratedImageAsset(assets);
}

export function hasMatch3DRuntimeBackgroundAsset(
  profile: Pick<
    Match3DWorkSummary,
    | 'backgroundImageSrc'
    | 'backgroundImageObjectKey'
    | 'generatedBackgroundAsset'
    | 'generatedItemAssets'
  >,
) {
  return Boolean(
    profile.backgroundImageSrc?.trim() ||
      profile.backgroundImageObjectKey?.trim() ||
      profile.generatedBackgroundAsset?.imageSrc?.trim() ||
      profile.generatedBackgroundAsset?.imageObjectKey?.trim() ||
      profile.generatedBackgroundAsset?.containerImageSrc?.trim() ||
      profile.generatedBackgroundAsset?.containerImageObjectKey?.trim() ||
      profile.generatedItemAssets?.some(
        (asset) =>
          asset.backgroundAsset?.imageSrc?.trim() ||
          asset.backgroundAsset?.imageObjectKey?.trim() ||
          asset.backgroundAsset?.containerImageSrc?.trim() ||
          asset.backgroundAsset?.containerImageObjectKey?.trim(),
      ),
  );
}

export function resolveMatch3DRuntimeGeneratedItemAssets(
  run: Match3DRunSnapshot | null,
  profile: Match3DWorkProfile | null,
  publicWorkDetail: PlatformPublicGalleryCard | null,
) {
  const runProfileId = run?.profileId?.trim() ?? '';
  const profileAssets = profile?.generatedItemAssets ?? [];
  const publicDetailAssets =
    publicWorkDetail && isMatch3DGalleryEntry(publicWorkDetail)
      ? (publicWorkDetail.generatedItemAssets ?? [])
      : [];

  if (runProfileId && profile?.profileId === runProfileId) {
    if (hasMatch3DRuntimeAsset(profileAssets)) {
      return normalizeMatch3DGeneratedItemAssetsForRuntime(profileAssets);
    }

    if (
      publicWorkDetail &&
      isMatch3DGalleryEntry(publicWorkDetail) &&
      publicWorkDetail.profileId === runProfileId
    ) {
      return hasMatch3DRuntimeAsset(publicDetailAssets)
        ? mergeMatch3DGeneratedItemAssetsForRuntime(
            publicDetailAssets,
            profileAssets,
          )
        : normalizeMatch3DGeneratedItemAssetsForRuntime(profileAssets);
    }

    return normalizeMatch3DGeneratedItemAssetsForRuntime(profileAssets);
  }

  if (
    runProfileId &&
    publicWorkDetail &&
    isMatch3DGalleryEntry(publicWorkDetail) &&
    publicWorkDetail.profileId === runProfileId
  ) {
    return normalizeMatch3DGeneratedItemAssetsForRuntime(publicDetailAssets);
  }

  if (hasMatch3DRuntimeAsset(profileAssets)) {
    return normalizeMatch3DGeneratedItemAssetsForRuntime(profileAssets);
  }
  return publicDetailAssets.length > 0
    ? normalizeMatch3DGeneratedItemAssetsForRuntime(publicDetailAssets)
    : normalizeMatch3DGeneratedItemAssetsForRuntime(profileAssets);
}

export function resolveMatch3DRuntimeGeneratedBackgroundAsset(
  run: Match3DRunSnapshot | null,
  profile: Match3DWorkProfile | null,
  publicWorkDetail: PlatformPublicGalleryCard | null,
) {
  const runProfileId = run?.profileId?.trim() ?? '';
  const profileBackground = profile
    ? (promoteMatch3DGeneratedBackgroundAsset(profile)
        .generatedBackgroundAsset ?? null)
    : null;
  const publicBackground =
    publicWorkDetail && isMatch3DGalleryEntry(publicWorkDetail)
      ? (promoteMatch3DGeneratedBackgroundAsset(publicWorkDetail)
          .generatedBackgroundAsset ?? null)
      : null;

  if (runProfileId && profile?.profileId === runProfileId) {
    return profileBackground ?? publicBackground;
  }
  if (
    runProfileId &&
    publicWorkDetail &&
    isMatch3DGalleryEntry(publicWorkDetail) &&
    publicWorkDetail.profileId === runProfileId
  ) {
    return publicBackground ?? profileBackground;
  }
  return profileBackground ?? publicBackground;
}

export function resolveActiveMatch3DRuntimeProfile(
  run: Match3DRunSnapshot | null,
  runtimeProfile: Match3DWorkProfile | null,
  profile: Match3DWorkProfile | null,
) {
  const runProfileId = run?.profileId?.trim() ?? '';
  if (runProfileId && runtimeProfile?.profileId === runProfileId) {
    return runtimeProfile;
  }
  if (runProfileId && profile?.profileId === runProfileId) {
    return profile;
  }
  return runtimeProfile ?? profile;
}

export function resolveMatch3DRuntimeBackgroundImageSrc(
  run: Match3DRunSnapshot | null,
  profile: Match3DWorkProfile | null,
  publicWorkDetail: PlatformPublicGalleryCard | null,
) {
  const runProfileId = run?.profileId?.trim() ?? '';
  const resolvedProfile = profile
    ? promoteMatch3DGeneratedBackgroundAsset(profile)
    : null;
  const resolvedPublicWork =
    publicWorkDetail && isMatch3DGalleryEntry(publicWorkDetail)
      ? promoteMatch3DGeneratedBackgroundAsset(publicWorkDetail)
      : null;
  const profileBackground =
    resolvedProfile?.backgroundImageSrc?.trim() ||
    resolvedProfile?.generatedBackgroundAsset?.imageSrc?.trim() ||
    resolvedProfile?.backgroundImageObjectKey?.trim() ||
    resolvedProfile?.generatedBackgroundAsset?.imageObjectKey?.trim() ||
    '';
  const publicBackground =
    resolvedPublicWork?.backgroundImageSrc?.trim() ||
    resolvedPublicWork?.generatedBackgroundAsset?.imageSrc?.trim() ||
    resolvedPublicWork?.backgroundImageObjectKey?.trim() ||
    resolvedPublicWork?.generatedBackgroundAsset?.imageObjectKey?.trim() ||
    '';

  if (runProfileId && profile?.profileId === runProfileId) {
    return profileBackground || publicBackground || null;
  }
  if (
    runProfileId &&
    publicWorkDetail &&
    isMatch3DGalleryEntry(publicWorkDetail) &&
    publicWorkDetail.profileId === runProfileId
  ) {
    return publicBackground || profileBackground || null;
  }
  return profileBackground || publicBackground || null;
}