package com.epam.automation.input.main;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;

public class Program {
    public static void main(String[] args) throws FileNotFoundException {
        String path = "d:/Java/collections/collections/src/main/java/com/epam/automation/input/main";
        File file = new File(path);
        File fileForPrint = new File("d:/Java/collections/collections/src/main/java/com/epam/automation/input/main/structureFile");
        PrintWriter pw = new PrintWriter(fileForPrint);
        if (file.exists()) {
            if (file.isDirectory()) {
                pw.println(file.getName());
                writeStructure(file, pw, 0);
            }
            else {

            }
        }
        pw.close();
    }

    public static void writeStructure(File file, PrintWriter pw, int level) {
        File[] structure = file.listFiles();
        StringBuilder sb = new StringBuilder();
        String spaces = addSpaces(level, sb).toString();
        for (int i = 0; i < structure.length; i++) {
            if (structure[i].isDirectory()) {
                pw.println(spaces + "|---" + structure[i].getName());
                writeStructure(structure[i], pw, level + 1);
            } else {
                pw.println(spaces  + "|   " + sb + structure[i].getName());
            }
        }
    }

    public static StringBuilder addSpaces(int level, StringBuilder sb) {
        for (int i = 0; i < level * 4; i++) {
            sb.append(" ");
        }
        return sb;
    }
    public static void readFile () {

    }
}