/*
 * Copyright 2025 coze-dev Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * 获取格式化的 SelectionNodeList 数据
 * 获取喂给大模型的文本内容
 */
import { type GrabNode } from '../../types/node';
import { isGrabTextNode } from './is-grab-text-node';
import { isGrabLink } from './is-grab-link';
import { isGrabImage } from './is-grab-image';

export const getOriginContentText = (normalizeNodeList: GrabNode[]) => {
  let content = '';

  for (const node of normalizeNodeList) {
    if (isGrabTextNode(node)) {
      content += node.text;
    } else if (isGrabLink(node)) {
      content += `[${getOriginContentText(node.children)}](${node.url})`;
    } else if (isGrabImage(node)) {
      content += `![${getOriginContentText(node.children)}](${node.src})`;
    } else {
      content += getOriginContentText(node.children);
    }
  }

  return content;
};
