package com.ks.codegenerator.utils;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.yeshi.utils.FileUtil;
import org.yeshi.utils.StringUtil;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * @author hxh
 * @title: ServiceUtil
 * @description: TODO
 * @date 2021/11/13 14:50
 */
public class ServiceBuilder {


    private String name;
    private String pks;
    private String subpks;
    private String cacheDir;


    public ServiceBuilder setName(String name) {
        this.name = name;
        return this;
    }

    public ServiceBuilder setPks(String pks) {
        this.pks = pks;
        return this;
    }

    public ServiceBuilder setSubpks(String subpks) {
        this.subpks = subpks;
        return this;
    }

    public ServiceBuilder setCacheDir(String cacheDir) {
        this.cacheDir = cacheDir;
        return this;
    }

    /**
     * @return void
     * @author hxh
     * @description 生成服务
     * @date 14:51 2021/11/13
     **/
    public String build() throws Exception {
        String destPath = String.format("%s/%s/%s", cacheDir, System.currentTimeMillis() + "", name);
        System.out.println(destPath);
        //copy文件夹
        FileUtils.copyFileDir(ServiceBuilder.class.getClassLoader().getResource("code/service").getPath(), destPath);
        //删除target
        if (new File(destPath + "/target").exists()) {
            FileUtil.deleteFileDir(new File(destPath + "/target"));
        }
        if (new File(destPath + "/app/target").exists()) {
            FileUtil.deleteFileDir(new File(destPath + "/app/target"));
        }

        //修改文件名称与文件夹名称
        renameDir(destPath);
        //重新命名包名
        renamePackage(destPath + "/app/src/main/java/" + subpks.replace(".", "/"));
        replaceSettings(destPath);
        //压缩文件夹
        File zip = new File(new File(destPath).getParent(), new File(destPath).getName() + ".zip");
        ZipUtil.compressToZip(destPath, zip.getParent(), zip.getName());
        //删除原来的文件夹
        FileUtil.deleteFileDir(new File(destPath));
        return zip.getAbsolutePath();
    }

    private void replaceSettings(String path) throws Exception {

        FileUtils.replaceFileContent(path + "/pom.xml", "<groupId>com.ks</groupId>", String.format("<groupId>%s</groupId>", getGroupId(pks)));
        FileUtils.replaceFileContent(path + "/pom.xml", "<artifactId>demo</artifactId>", String.format("<artifactId>%s</artifactId>", getArtifactId(pks)));


        //更改parent以及artifactId
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        DocumentBuilder db = dbf.newDocumentBuilder();
        Document doc = db.parse(path + "/app/pom.xml");
        NodeList list = doc.getElementsByTagName("project").item(0).getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            if (list.item(i).getNodeName().equalsIgnoreCase("parent")) {
                NodeList parent = list.item(i).getChildNodes();
                for (int j = 0; j < parent.getLength(); j++) {
                    Node node = parent.item(j);
                    switch (node.getNodeName()) {
                        case "artifactId":
                            node.setTextContent(getArtifactId(pks));
                            break;
                        case "groupId":
                            node.setTextContent(getGroupId(pks));
                            break;
                    }
                }
            } else if (list.item(i).getNodeName().equalsIgnoreCase("artifactId")) {
                list.item(i).setTextContent(getArtifactId(subpks));
            }
        }

        //保存
        Transformer ts = TransformerFactory.newInstance().newTransformer();
        ts.transform(new DOMSource(doc), new StreamResult(path + "/app/pom.xml"));


        FileUtils.replaceFileContent(path + "/app/src/main/resources/application-dev.yml", "com.ks.app", subpks);
        FileUtils.replaceFileContent(path + "/app/src/main/resources/application-pro.yml", "com.ks.app", subpks);
    }

    //重新命名文件夹与文件
    private void renameDir(String path) throws Exception {
        FileUtils.renameFile(path + "/service.iml", name + ".iml");
        //更改java文件的路径
        FileUtils.copyFileDir(path + "/app/src/main/java/com/ks/app", path + "/app/src/main/java/" + subpks.replace(".", "/"));
        FileUtil.deleteFileDir(new File(path + "/app/src/main/java/com/ks/app"));
    }


    //重新命名包名
    private void renamePackage(String path) throws Exception {
        if (!new File(path).exists()) {
            throw new Exception("文件不存在");
        }

        if (new File(path).isDirectory()) {
            File[] fs = new File(path).listFiles();
            for (File f : fs) {
                if (f.isFile()) {
                    FileUtils.replaceFileContent(f.getPath(), "package com.ks.app", "package " + subpks);
                    FileUtils.replaceFileContent(f.getPath(), "import com.ks.app.", "import " + subpks + ".");
                } else {
                    renamePackage(f.getPath());
                }
            }
        }
    }

    private static String getGroupId(String pks) {
        String[] sts = pks.split("\\.");
        List<String> list = new ArrayList<>();
        for (int i = 0; i < sts.length - 1; i++) {
            list.add(sts[i]);
        }
        return StringUtil.concat(list, ".");
    }

    private static String getArtifactId(String pks) {
        String[] sts = pks.split("\\.");
        return sts[sts.length - 1];
    }

    public static void main(String[] args) throws Exception {
        System.out.println(getGroupId("com.ks.app"));
    }


}