package net.i2p.i2pfirefox;

import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * I2PFirefoxProfileUnpacker.java
 * Copyright (C) 2022 idk <hankhill19580@gmail.com>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the MIT License. See LICENSE.md for details.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * I2PFirefoxProfileUnpacker is a class that unpacks the I2P Firefox profile
 * from a zip file embedded in the `jar` file. The zip is unpacked to a base
 * directory where it is left untouched, and the base profile is copied to the
 * active profile directory.
 * 
 * @author idk
 * @since 0.0.1
 */
public class I2PFirefoxProfileUnpacker {

    public static void main(String[] args) {
        String profileDirectory = I2PFirefoxProfileBuilder.profileDirectory();
        if (profileDirectory == null) {
            System.out.println("No profile directory found");
            return;
        }
        
    }

    /**
     * unpack the profile directory
     * 
     * @return true if the profile directory was successfully unpacked
     * @since 0.0.1
     */
    public boolean unpackProfile(String profileDirectory) {
        System.out.println("Unpacking base profile to " + profileDirectory);
        try {
            final InputStream resources = this.getClass().getClassLoader().getResourceAsStream("i2p.firefox.base.profile.zip");
            if (resources == null) {
                System.out.println("Could not find resources");
                return false;
            }
            System.out.println(resources.toString());
            // InputStream corresponds to a zip file. Unzip it.
            //Files.copy(r, new File(profileDirectory).toPath(), StandardCopyOption.REPLACE_EXISTING);
            ZipInputStream zis = new ZipInputStream(resources);
            ZipEntry entry;
                // while there are entries I process them
            while ((entry = zis.getNextEntry()) != null)
            {
                System.out.println("entry: " + entry.getName() + ", " + entry.getSize());
                // consume all the data from this entry
                if (entry.isDirectory()) {
                    System.out.println("Creating directory: " + entry.getName());
                    File dir = new File(profileDirectory + "/" + entry.getName());
                    dir.mkdirs();
                } else {
                    System.out.println("Creating file: " + entry.getName());
                    File file = new File(profileDirectory + "/" + entry.getName());
                    file.createNewFile();
                    Files.copy(zis, file.toPath(), StandardCopyOption.REPLACE_EXISTING);
                }
                while (zis.available() > 0)
                zis.read();
                    // I could close the entry, but getNextEntry does it automatically
                    // zis.closeEntry()
            }
            // loop through the Enumeration
            
        } catch (Exception e) {
            System.out.println("Error copying profile files: " + e.getMessage());
            return false;
        }
        return true;
    }
    
    
}