package com.runt.android.utils;

import com.intellij.openapi.project.Project;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

/**
 * Created by 赵振良 on 2020/8/6
 */
public class Util {
    private static Pattern humpPattern = Pattern.compile("[A-Z]");

    /**
     * 获取路径名
     */
    public static String getPackageDir(Project project, String dir) {
        String packageName = "";
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document doc = db.parse(project.getBasePath() + "/app/src/main/AndroidManifest.xml");
            NodeList nodeList = doc.getElementsByTagName("manifest");
            for (int i = 0; i < nodeList.getLength(); i++) {
                Node node = nodeList.item(i);
                Element element = (Element) node;
                packageName = element.getAttribute("package");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        String split = packageName.replace(".","/");
        String dirs[] = dir.split(split);
        if(dirs.length < 2){
            return packageName;
        }else{
            String resultPackage = packageName+(dirs[1].replace("/","."));
            return resultPackage;
        }
    }

    /**
     * 获取包名
     * @param project
     * @return
     */
    public static String getPackageId(Project project){
        String packageName = "";
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        try {
            DocumentBuilder db = dbf.newDocumentBuilder();
            Document doc = db.parse(project.getBasePath() + "/app/src/main/AndroidManifest.xml");
            NodeList nodeList = doc.getElementsByTagName("manifest");
            for (int i = 0; i < nodeList.getLength(); i++) {
                Node node = nodeList.item(i);
                Element element = (Element) node;
                packageName = element.getAttribute("package");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return packageName;
    }

    /**
     * 驼峰命名转下划线命名
     * @param str
     * @return
     */
    public static String humpToLine(String str) {
        Matcher matcher = humpPattern.matcher(str);
        StringBuffer sb = new StringBuffer();
        while (matcher.find()) {
            matcher.appendReplacement(sb, "_" + matcher.group(0).toLowerCase());
        }
        matcher.appendTail(sb);
        String result = sb.toString();
        int length = result.length();
        if(result.startsWith("_")){
            result = result.substring(1,length);
        }
        return result;
    }
}