package QuickVerifyCrap;

import java.io.*;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

public class UTPackMangler {
    public static void main(String[] args) throws Exception{
        try{
        BufferedReader r = new BufferedReader(new FileReader("C:\\LMAA\\packs.dedup.txt.UE"));
        String line = r.readLine();
        long totalBytes = 0;
        long totalCompressedbytes = 0;
        long linesMangled = 0;
        Set<String> remotepaths = new HashSet<>();
        System.out.println("Mangling File...");
        List<PackData> packs = new LinkedList<>();
        while(line !=null)
        {
            String[] splitted = line.split("\"");
            if(splitted.length<2)
            {
                System.out.println(line);
            }
            else
            {
            PackData p = new PackData();
            p.hash = splitted[1];
            p.remotepath = splitted[7];
            int size = Integer.valueOf(splitted[3]);
            int comppressedSize = Integer.valueOf(splitted[5]);
            totalBytes += size;
            totalCompressedbytes += comppressedSize;
            p.size = size;
            p.compressedSize= comppressedSize;

            remotepaths.add(p.remotepath);
            linesMangled++;
            if(linesMangled%1000==0)
            {
                System.out.println("Mangled:"+linesMangled);
            }
            packs.add(p);
            }
            line = r.readLine();
        }
        PrintStream w = new PrintStream(new FileOutputStream("C:\\LMAA\\downloader.sh"));
        w.println("#!/bin/bash");
        w.println("echo Generating directories");
        remotepaths.forEach((s)->
        {
            w.println("mkdir -p "+s);
        });
        w.println("echo Downloading....");
        long totalMb = totalBytes/1024/1024;
        long totalMbComp = totalCompressedbytes/1024/1024;

        w.println("echo Total Size: "+ totalMb+ "Total Compressed Size" +totalMbComp);
        System.out.println("echo Total Size: "+ totalMb+ "Total Compressed Size" +totalMbComp);
        long progress = 0;
        for(PackData p:packs)
        {
            String serverPath = "http://cdn.unrealengine.com/dependencies/"+p.remotepath+"/"+p.hash;
            String downloadcmd = "wget -nc -qO ./"+p.remotepath+"/"+p.hash+" "+serverPath;
            w.println(downloadcmd);
            progress += p.compressedSize;
            w.println("echo -ne \"Downloaded "+(progress/1024/1024)+" of" +totalMbComp+" MB\\r\"");

        }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
}

class PackData
{
    int size;
    int compressedSize;
    String hash;
    String remotepath;
}