Genarrative/apps/ai-game-creator-shell/src/features/ui-editor/uiDesignResourceBridge.ts

import type {
  GameCreationAppAssetManifestEntry,
  GameCreationAppManifest,
} from '../../../../../packages/shared/src/contracts/gameCreationApp';

export type UiDesignResourceBridgeResult = {
  asset: GameCreationAppAssetManifestEntry;
  manifest: GameCreationAppManifest;
  committedProjectRevision: number;
  created: boolean;
};

export type UiDesignResourceBridgeInvoke = <T>(
  command: string,
  args?: Record<string, unknown>,
) => Promise<T>;

function uiWorkflowStagePriority(
  generationKind: string | null | undefined,
): number {
  switch (generationKind) {
    case 'ui-workflow.completed':
      return 3;
    case 'ui-workflow.binding-ready':
      return 2;
    case 'ui-workflow.reference-ready':
      return 1;
    default:
      return 0;
  }
}

export function findLinkedUiDesignResource(
  manifest: GameCreationAppManifest,
  prototypeAssetId: string,
) {
  const normalizedId = prototypeAssetId.trim();
  if (!normalizedId) return null;
  const prototype = manifest.assets.find((asset) => asset.id === normalizedId);
  const referenceIds = new Set(
    [
      normalizedId,
      prototype?.source.resourceId,
      prototype?.source.assetObjectId,
    ].filter((value): value is string => Boolean(value?.trim())),
  );
  return (
    manifest.assets
      .filter(
        (asset) =>
          asset.kind === 'UI' &&
          asset.mediaType === 'application/json' &&
          asset.source.referenceResourceIds?.some((reference) =>
            referenceIds.has(reference),
          ),
      )
      .sort(
        (left, right) =>
          uiWorkflowStagePriority(right.source.generationKind) -
          uiWorkflowStagePriority(left.source.generationKind),
      )[0] ?? null
  );
}

export async function ensureUiDesignResourceForPrototype({
  projectPath,
  manifest,
  prototypeAssetId,
  invoke,
}: {
  projectPath: string;
  manifest: GameCreationAppManifest;
  prototypeAssetId: string;
  invoke: UiDesignResourceBridgeInvoke;
}): Promise<UiDesignResourceBridgeResult> {
  const normalizedPrototypeAssetId = prototypeAssetId.trim();
  if (!normalizedPrototypeAssetId) {
    throw new Error('UI 原型资产身份不能为空');
  }
  const prototype = manifest.assets.find(
    (asset) => asset.id === normalizedPrototypeAssetId,
  );
  if (!prototype || prototype.kind !== 'ui-prototype') {
    throw new Error('目标资源不是 UI 原型图片');
  }
  if (!prototype.mediaType.toLowerCase().startsWith('image/')) {
    throw new Error('UI 原型资源必须是图片');
  }
  const linked = findLinkedUiDesignResource(
    manifest,
    normalizedPrototypeAssetId,
  );
  if (linked) {
    return {
      asset: linked,
      manifest,
      committedProjectRevision: 0,
      created: false,
    };
  }
  return invoke<UiDesignResourceBridgeResult>(
    'ensure_ui_design_resource_for_prototype',
    {
      input: {
        projectPath,
        expectedProjectId: manifest.projectId,
        prototypeAssetId: normalizedPrototypeAssetId,
      },
    },
  );
}