package com.iailab.module.model.mpk.common.utils;

import cn.hutool.core.io.FileUtil;
import com.iailab.module.model.mpk.common.MdkConstant;
import com.iailab.module.model.mpk.dto.MpkFileDTO;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.nio.file.Files;
import java.util.*;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

@Slf4j
public class GenUtils {
    /**
     * 渲染模板
     **/
    public static StringWriter drawTemplate(String template,Map<String, Object> map) {
        //模板数据
        VelocityContext context = new VelocityContext(map);
        return drawTemplate(template,context);
    }

    public static StringWriter drawTemplate(String template,VelocityContext context) {
        Properties prop = new Properties();
        prop.put("file.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
        Velocity.init(prop);

        StringWriter writer = new StringWriter();
        Template tpl = Velocity.getTemplate("template/" + template, "UTF-8");
        tpl.merge(context, writer);
        return writer;
    }

    public static void drawTemplate(String template,Map<String, Object> map,File toFile) {
        VelocityContext context = new VelocityContext(map);
        drawTemplate(template,context,toFile);
    }

    public static void drawTemplate(String template,VelocityContext context,File toFile) {
        try {
            StringWriter writer = drawTemplate(template,context);

            FileUtil.mkParentDirs(toFile);

            if (!toFile.exists()) {
                toFile.createNewFile();
            }

            FileUtil.writeUtf8String(writer.toString(),toFile);
            IOUtils.closeQuietly(writer);
        } catch (IOException e) {
            throw new RuntimeException("模板渲染异常");
        }
    }
}