package com.xiaopeng.operation.utils;

import com.xiaopeng.evi.oss.service.AliOssService;
import lombok.extern.slf4j.Slf4j;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import java.io.UnsupportedEncodingException;

@Slf4j
@Component
public class ImageTagProcessor {

    private final AliOssService aliOssService;

    public ImageTagProcessor(AliOssService aliOssService) {
        this.aliOssService = aliOssService;
    }

    public String replaceImgSrcWithDownloadUrl(String html) {
        if (!StringUtils.hasText(html)) {
            return html;
        }

        Document document = Jsoup.parse(html);
        Elements imgTags = document.select("img");
        for (Element imgTag : imgTags) {
            String dataId = imgTag.attr("data-id");
            String dataName = imgTag.attr("data-name");
            if (!StringUtils.hasText(dataId) || !StringUtils.hasText(dataName)) {
                continue;
            }

            try {
                String downloadUrl = aliOssService.getDownloadUrl(dataId, dataName, true);
                if (StringUtils.hasText(downloadUrl)) {
                    imgTag.attr("src", downloadUrl);
                }
            } catch (UnsupportedEncodingException e) {
                log.warn("replace image src failed, dataId={}, dataName={}", dataId, dataName, e);
            }
        }
        return document.body().html();
    }
}