package cwiczenie4;

import java.io.File;
import java.io.FilenameFilter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.BasicFileAttributes;
import java.text.DateFormat;
import java.text.SimpleDateFormat;

public class Main {

	public static void main(String args[]) throws Exception {
		//printFilesSimple("C:\\");
		printFilesDetails("C:\\");
		//printFiles("C:\\", ".txt");
		//printTree("C:\\");
	}

	public static void printFilesSimple(String path) {
		File folder = new File(path);
		File[] listOfFiles = folder.listFiles();

		for (File file : listOfFiles) {
			System.out.println(file.getName());
		}
	}

	public static void printFilesDetails(String path) throws Exception {
		// to be implemented
		Path path2 = Paths.get(path);
	    BasicFileAttributes attr;
	    attr = Files.readAttributes(path2, BasicFileAttributes.class);
	    DateFormat df = new SimpleDateFormat("yyyy/MM/dd mm:ss");

		String dirPath = path;
		File dir = new File(dirPath);
		File[] files = dir.listFiles();
		if (files.length == 0) {
		    System.out.println("The directory is empty");
		} else {
		    for (File aFile : files) {
		        //System.out.println(aFile.getName() + " - " +
        		if(aFile.isDirectory()) {
        			System.out.println(aFile.getName() + " DIR ");
		        } else {
		        	System.out.println(aFile.getName() + " "+attr.size()+" "+df.format(attr.creationTime().toMillis()));
		        }
		    }
		}
	}

	public static void printFiles(String path, String extensionFilter) {
		// to be implemented
		FilenameFilter mp3Filter = new FilenameFilter() {
		    public boolean accept(File file, String name) {
		        if (name.endsWith(extensionFilter)) {
		            // match files extension
		            return true;
		        } else {
		            return false;
		        }
		    }
		};

		String dirPath = path;
		File dir = new File(dirPath);
		File[] files = dir.listFiles(mp3Filter);
		if (files.length == 0) {
		    System.out.println("There is no "+extensionFilter+" files");
		} else {
		    for (File aFile : files) {
		        System.out.println(aFile.getName() + " - " + aFile.length());
		    }
		}
	}

	public static void printTree(String path) {
		// to be implemented
		// Example
		// dirname
		// dirname/file1
		// dirname/file2
		// dirname/dirname1
		// dirname/dirname1/file1
		// dirname/dirname1/file2
		// dirname/dirname2/file1

		String dirPath = path;
		String longPath = "";
		File dir = new File(dirPath);
		File[] subDirectories = dir.listFiles();

		if (subDirectories.length == 0) {
		    System.out.println("The directory is empty");
		} else {
		    for (File aFile : subDirectories) {

        		if(aFile.isFile()) {
        			System.out.println(aFile.getAbsolutePath());
		        }else if (aFile.isDirectory()) {


				}

		    }
		}


	}

}