package com.samuelives.videoplayer.system;

import android.app.DownloadManager;
import android.content.Context;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.support.v7.preference.PreferenceManager;
import android.util.Log;
import android.webkit.MimeTypeMap;

import com.samuelives.videoplayer.R;
import com.samuelives.videoplayer.util.StorageHelper;

import java.io.File;

public class Downloader {

    private String mMimeType = "null", mExtension = "null";
    private Context mContext = null;
    private DownloadManager mManager = null;

    public Downloader(Context context){
        this.mContext = context;

        mManager = (DownloadManager)mContext.getSystemService(Context.DOWNLOAD_SERVICE);
    }

    public void download(String title, Uri videoUri){

        Log.i("Download Extension", getMimeType(videoUri.toString()));

        DownloadManager.Request request = new DownloadManager.Request(videoUri);
        request.setTitle(title);
        request.addRequestHeader("User-Agent", getUserAgent());

        if(mMimeType != "null"){
            request.setMimeType(mMimeType);
        }

        if(isOnlyDownloadWithWifi()){
            request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI);
        }

        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mContext);

        if(prefs.getBoolean("pref_key_is_storage_in_sdcard", true)){

            if(StorageHelper.haveSdCard(mContext)){

                File storageDir = StorageHelper.getStorage(mContext);
                if(!storageDir.exists()){
                    storageDir.mkdirs();
                }

                Log.i("Download Path", storageDir.getAbsolutePath());

                if(mMimeType != "null"){
                    request.setDestinationUri(Uri.fromFile(new File(storageDir.getAbsolutePath() + '/' + title + mExtension)));
                }else{
                    request.setDestinationUri(Uri.fromFile(new File(storageDir.getAbsolutePath() + '/' + title + getMimeType(videoUri.toString()))));
                }


            }else{

                if(mMimeType != "null") {

                    request.setDestinationUri( Uri.fromFile(new File(StorageHelper.getInternalStorage(mContext), title + mExtension)));

                }else{

                    request.setDestinationUri( Uri.fromFile(new File(StorageHelper.getInternalStorage(mContext), title + getMimeType(videoUri.toString()))));

                }
            }

        }else{

            if(mMimeType != "null") {

                request.setDestinationUri( Uri.fromFile(new File(StorageHelper.getInternalStorage(mContext), title + mExtension)));

            }else{

                request.setDestinationUri( Uri.fromFile(new File(StorageHelper.getInternalStorage(mContext), title + getMimeType(videoUri.toString()))));

            }

        }

        mManager.enqueue(request);
    }

    //Set mimetype of download (optional)
    public void setMimeTypeAndExtension(String mimeType){
        this.mMimeType = mimeType;

        if(mimeType != null){
            this.mExtension = '.' + MimeTypeMap.getSingleton().getExtensionFromMimeType(mimeType);
        }
    }

    private String getMimeType(String uri){
        String mime = '.' + MimeTypeMap.getFileExtensionFromUrl(uri);
        if(mime.contains(".mp4") || mime.contains(".3gp") || mime.contains(".ogv")){
            return mime;
        }else{
            return ".mp4";
        }
    }

    private boolean isOnlyDownloadWithWifi(){
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mContext);
        return preferences.getBoolean("pref_key_is_download_only_wifi", true);
    }

    private String getUserAgent(){

        boolean isTablet = mContext.getResources().getBoolean(R.bool.isTablet);
        String ua = null;

        if(isTablet){
            ua = "Mozilla/5.0 (Linux; Android " + Build.VERSION.RELEASE + "; Tablet; rv: 41.0) Gecko/41.0 Firefox/41.0";
            Log.d("User-Agent", ua);
        }else{
            ua = "Mozilla/5.0 (Linux; Android " + Build.VERSION.RELEASE + "; Mobile; rv: 41.0) Gecko/41.0 Firefox/41.0";
            Log.d("User-Agent", ua);
        }

        return ua;
    }

}