package com.adc.da.common;

import com.adc.da.slrs.standardSplit.vo.MarkTextVO;
import org.apache.commons.lang.StringUtils;
import java.util.List;

/**
 * @Description:
 * @Author: yangxuenan
 * date: 2020/3/24 15:28
 */
public class HtmlTextExcel {

    public static String changeHtmlToExcel (String itemContent, List<MarkTextVO> addList, List<MarkTextVO> delList) {
        if (StringUtils.isNotEmpty(itemContent)) {
            itemContent = itemContent.replaceAll("<div>","");
            itemContent = itemContent.replaceAll("<div class=\"compareBackgroundColor\">","");
            itemContent = itemContent.replaceAll("</div>","\n");
            itemContent = itemContent.replaceAll("<p>","");
            itemContent = itemContent.replaceAll("</p>","\n");
            //获取所有新增内容的位置
            String splitContentAdd = itemContent;
            int addSpiltIndex = 0;
            int cirIndex = 0;
            int stLen = "<span class=\"insertClass\">".length();
            int edLen = "</span>".length();
            while (splitContentAdd.contains("<span class=\"insertClass\">")) {
                int addStIndex = splitContentAdd.indexOf("<span class=\"insertClass\">");
                int addEdIndex = splitContentAdd.indexOf("</span>");
                if (addStIndex > -1) {
                    MarkTextVO markTextVO = new MarkTextVO();
                    markTextVO.setStartIndex(addSpiltIndex + addStIndex - (cirIndex*(stLen+edLen)));
                    markTextVO.setEndIndex(addSpiltIndex + addEdIndex - (cirIndex*(stLen+edLen)) - stLen);
                    addList.add(markTextVO);
                    addSpiltIndex = addSpiltIndex + addEdIndex + 7;
//                    String replaceStr = splitContentAdd.substring(0,addStIndex);
                    splitContentAdd = splitContentAdd.substring(addEdIndex + 7,splitContentAdd.length());
                    cirIndex++;
                }
            }
            //获取所有删除内容的位置
            String splitContentDel = itemContent;
            int delSpiltIndex = 0;
            int cirIndexDel = 0;
            int stLenDel = "<span class=\"delClass\">".length();
            int edLenDel = "</span>".length();
            while (splitContentDel.contains("<span class=\"delClass\">")) {
                int delStIndex = splitContentDel.indexOf("<span class=\"delClass\">");
                int delEdIndex = splitContentDel.indexOf("</span>");
                if (delStIndex > -1) {
                    MarkTextVO markTextVO = new MarkTextVO();
                    markTextVO.setStartIndex(delSpiltIndex + delStIndex - (cirIndexDel*(stLenDel+edLenDel)));
                    markTextVO.setEndIndex(delSpiltIndex + delEdIndex - (cirIndexDel*(stLenDel+edLenDel)) - stLenDel);
                    delList.add(markTextVO);
                    delSpiltIndex = delSpiltIndex + delEdIndex + 7;
//                    String replaceStr = splitContentDel.substring(0,delStIndex);
                    splitContentDel = splitContentDel.substring(delEdIndex + 7,splitContentDel.length());
                    cirIndexDel++;
                }
            }
            itemContent = itemContent.replaceAll("<span class=\"insertClass\">","");
            itemContent = itemContent.replaceAll("</span>","");
            itemContent = itemContent.replaceAll("<span class=\"delClass\">","");
            itemContent = itemContent.replaceAll("</span>","");
        }
        return itemContent;
    }
}