package org.love2d.android;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import android.net.Uri;
import android.os.Bundle;
import android.util.Log;

public class GameLauncher extends GameActivity {

    private static String gamePath;

    @Override
    protected void onCreate(Bundle bundle) {
        Uri game = this.getIntent().getData();
        if (game != null) {
          if (game.getScheme().equals ("file")) {
            gamePath = game.getPath();
          } else {
            copyGameToCache (game);
          }
          Log.d("GameLauncher", "Selected the file: " + getGamePath());
        }
        super.onCreate(bundle);
    }

    public static String getGamePath() {
        return gamePath;
    }
  
    void copyGameToCache (Uri sourceuri)
    {
      String destinationFilename = this.getCacheDir().getPath()+"/downloaded.love";
      gamePath = destinationFilename;

      BufferedOutputStream bos = null;
      try {
        bos = new BufferedOutputStream(new FileOutputStream(destinationFilename, false));
      } catch (IOException e) {
        Log.d ("GameLauncher", "Could not open destination file:" + e.getMessage());
      }

      int chunk_read = 0;
      int bytes_written = 0;

      BufferedInputStream bis = null;
      if (sourceuri.getScheme().equals("content")) {
        try {
          bis = new BufferedInputStream(getContentResolver().openInputStream(sourceuri));
        } catch (IOException e) {
          Log.d ("GameLauncher", "Could not open game file:" + e.getMessage());
        }
      } else {
        Log.d ("GameLauncher", "Unsupported scheme: " + sourceuri.getScheme());
      }

      if (bis != null) {
        // actual copying
        try {
          byte[] buf = new byte[1024];
          chunk_read = bis.read(buf);
          do {
            bos.write(buf, 0, chunk_read);
            bytes_written += chunk_read;
            chunk_read = bis.read(buf);        
          } while(chunk_read != -1);
        } catch (IOException e) {
          Log.d ("GameLauncher", "Copying failed:" + e.getMessage());
        } 
      }

      // close streams
      try {
        if (bis != null) bis.close();
        if (bos != null) bos.close();
      } catch (IOException e) {
        Log.d ("GameLauncher", "Copying failed: " + e.getMessage());
      }

      Log.d("GameLauncher", "Copied " + bytes_written + " bytes");
    }

}