import { SceneEntity } from '../domain/Entities';
import { SceneItem, TagItem, TextItem } from '../domain/Item';
import { regenerateScene, applySceneToShots } from '@/api/video_flow';

/**
 * 场景编辑用例
 * 负责场景内容的初始化、修改和优化
 */
export class SceneEditUseCase {
  constructor(private sceneItem: SceneItem) {
  }

  /**
   * @description: 重新生成场景
   * @param {TextItem} prompt
   * @param {TagItem[]} tags
   * @return {*}
   */
  async AIgenerateScene(prompt: TextItem, tags: TagItem[]): Promise<SceneEntity> {
    const promptText = prompt.entity.content;
    const tagList = tags.map((tag) => tag.entity.content);

    // 调用重新生成场景接口
    const response = await regenerateScene({
      sceneId: this.sceneItem.entity.id || '',
      prompt: promptText,
      tagTypes: tagList,
    });

    if (response.successful) {
      const sceneEntity = response.data;
      this.sceneItem.setEntity(sceneEntity);
      return sceneEntity;
    } else {
      throw new Error(`重新生成场景失败: ${response.message}`);
    }
  }

  /**
   * 应用此场景到指定分镜
   * @param shotIds 分镜ID列表
   * @returns 应用结果
   */
  async applyScene(shotIds: string[]) {
    const sceneId = this.sceneItem.entity.id;

    return await applySceneToShots({
      sceneId,
      shotIds
    });
  }
}