package com.ruoyi.inspect.util;

import com.deepoove.poi.config.Configure;
import com.deepoove.poi.render.RenderContext;
import com.deepoove.poi.template.ElementTemplate;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

/**
 * 报告中的签名和印章会在编制、审核、批准等不同阶段分别写入。
 * 保留后续阶段需要使用的图片占位符，避免在前面的渲染阶段被提前清除。
 */
public class PreserveReportPicturePlaceholderHandler implements Configure.ValidErrorHandler {

    private static final Set<String> DEFERRED_PICTURE_TAGS = new HashSet<>(Arrays.asList(
            "writeUrl",
            "writeDateUrl",
            "insUrl",
            "examineUrl",
            "examineDateUrl",
            "ratifyUrl",
            "ratifyDateUrl",
            "seal1",
            "seal2"
    ));

    private final Configure.ClearHandler clearHandler = new Configure.ClearHandler();

    @Override
    public void handler(RenderContext<?> context) {
        ElementTemplate template = context.getEleTemplate();
        if (template != null
                && Character.valueOf('@').equals(template.getSign())
                && DEFERRED_PICTURE_TAGS.contains(template.getTagName())) {
            return;
        }
        clearHandler.handler(context);
    }
}