import { PublishStatus, SourceType } from '../common/enums';
import { Scene } from '../entities/scene.entity';
import type { SceneConfig } from './scene-config';

/** 契约 data-models.md §7 的对外表示 */
export interface SceneDto {
  id: number;
  name: string;
  glbUrl: string | null;
  thumbnailUrl: string | null;
  fileSize: number | null;
  fileSha256: string | null;
  conversionNote: string | null;
  /** 物理 / 环境 / 出生点 / 相机（服务端只存参数，仿真在客户端） */
  config: SceneConfig | null;
  stats: Record<string, unknown> | null;
  sourceType: SourceType;
  sourceName: string;
  sourceUrl: string;
  license: string;
  author: string;
  status: PublishStatus;
  createdAt: string;
  updatedAt: string;
}

export interface SceneUrlLookup {
  glbUrl: string | null;
  thumbnailUrl: string | null;
}

export function toSceneDto(scene: Scene, urls: SceneUrlLookup): SceneDto {
  return {
    id: scene.id,
    name: scene.name,
    glbUrl: urls.glbUrl,
    thumbnailUrl: urls.thumbnailUrl,
    fileSize: scene.fileSize ?? null,
    fileSha256: scene.fileSha256 ?? null,
    conversionNote: scene.conversionNote ?? null,
    config: scene.config ?? null,
    stats: scene.stats ?? null,
    sourceType: scene.sourceType,
    sourceName: scene.sourceName,
    sourceUrl: scene.sourceUrl,
    license: scene.license,
    author: scene.author,
    status: scene.status,
    createdAt: scene.createdAt.toISOString(),
    updatedAt: scene.updatedAt.toISOString(),
  };
}