/*
 * Copyright (C) 2015 Naman Dwivedi
 *
 * Licensed under the GNU General Public License v3
 *
 * This is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software 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.
 * See the GNU General Public License for more details.
 */

package com.rohan.app.fragments;

import android.Manifest;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceManager;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.cleveroad.audiovisualization.AudioVisualization;
import com.cleveroad.audiovisualization.DbmHandler;
import com.cleveroad.audiovisualization.GLAudioVisualizationView;
import com.cleveroad.audiovisualization.VisualizerDbmHandler;
import com.melnykov.fab.FloatingActionButton;
import com.rohan.app.MusicPlayer;
import com.rohan.app.R;
import com.rohan.app.activities.BaseActivity;
import com.rohan.app.adapters.SongsListAdapter;
import com.rohan.app.dataloaders.SongLoader;
import com.rohan.app.listeners.MusicStateListener;
import com.rohan.app.models.Song;
import com.rohan.app.utils.PreferencesUtility;
import com.rohan.app.utils.SortOrder;
import com.rohan.app.widgets.DividerItemDecoration;
import com.rohan.app.widgets.FastScroller;

import java.util.List;

public class SongsFragment extends Fragment implements MusicStateListener {

    private static final int REQUEST_CODE = 1;
    private boolean shouldOpenFragment;

    private SongsListAdapter mAdapter;
    private RecyclerView recyclerView;
    private PreferencesUtility mPreferences;
    private AudioVisualization audioVisualization;
    private ImageView backdrop;


    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mPreferences = PreferencesUtility.getInstance(getActivity());
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        //requestPermissions();
        View rootView = inflater.inflate(
                R.layout.fragment_recyclerview, container, false);

        recyclerView = (RecyclerView) rootView.findViewById(R.id.recyclerview);
        recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
        FloatingActionButton fab = (FloatingActionButton) rootView.findViewById(R.id.fab);
        FastScroller fastScroller = (FastScroller) rootView.findViewById(R.id.fastscroller);
        fastScroller.setRecyclerView(recyclerView);
        audioVisualization = (AudioVisualization) rootView.findViewById(R.id.visualizer_view);
        backdrop = (ImageView) rootView.findViewById(R.id.white_backdrop);

        fab.attachToRecyclerView(recyclerView);
        fab.setColorNormal(getResources().getColor(R.color.colorAccent));
        fab.setColorPressed(getResources().getColor(R.color.widget_pause));
        fab.setColorRipple(getResources().getColor(R.color.window_background));

        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Handler handler = new Handler();
                handler.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        MusicPlayer.shuffleAll(getActivity());
                    }
                }, 80);
            }
        });

        new loadSongs().execute("");
        ((BaseActivity) getActivity()).setMusicStateListenerListener(this);

//        if (ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED
//                && ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.MODIFY_AUDIO_SETTINGS) == PackageManager.PERMISSION_GRANTED) {
//
//            requestPermissions();
//
//        }
//
//        requestPermissions();

        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
        Boolean stateWave = sharedPrefs.getBoolean(getString(R.string.pref_switch_wave_key), true);

        if(stateWave)
            backdrop.setVisibility(View.GONE);
        else
            backdrop.setVisibility(View.VISIBLE);

        return rootView;
    }

    private void requestPermissions() {
        ActivityCompat.requestPermissions(
                getActivity(),
                new String[]{Manifest.permission.RECORD_AUDIO, Manifest.permission.MODIFY_AUDIO_SETTINGS},
                REQUEST_CODE
        );
    }


    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED
                && ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.MODIFY_AUDIO_SETTINGS) == PackageManager.PERMISSION_GRANTED) {
            requestPermissions();
            VisualizerDbmHandler visualizerHandler = DbmHandler.Factory.newVisualizerHandler(getContext(), 0);
            audioVisualization.linkTo(visualizerHandler);
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        audioVisualization.onResume();
    }

    @Override
    public void onPause() {
        audioVisualization.onPause();
        super.onPause();
    }

    @Override
    public void onDestroyView() {
        audioVisualization.release();
        super.onDestroyView();
    }

    public void restartLoader() {

    }

    public void onPlaylistChanged() {

    }

    public void onMetaChanged() {
        if (mAdapter != null)
            mAdapter.notifyDataSetChanged();
    }

    private void reloadAdapter() {
        new AsyncTask<Void, Void, Void>() {
            @Override
            protected Void doInBackground(final Void... unused) {
                List<Song> songList = SongLoader.getAllSongs(getActivity());
                mAdapter.updateDataSet(songList);
                return null;
            }

            @Override
            protected void onPostExecute(Void aVoid) {
                mAdapter.notifyDataSetChanged();
            }
        }.execute();
    }

    @Override
    public void onActivityCreated(final Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
        inflater.inflate(R.menu.song_sort_by, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.menu_sort_by_az:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_A_Z);
                reloadAdapter();
                return true;
            case R.id.menu_sort_by_za:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_Z_A);
                reloadAdapter();
                return true;
            case R.id.menu_sort_by_artist:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_ARTIST);
                reloadAdapter();
                return true;
            case R.id.menu_sort_by_album:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_ALBUM);
                reloadAdapter();
                return true;
            case R.id.menu_sort_by_year:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_YEAR);
                reloadAdapter();
                return true;
            case R.id.menu_sort_by_duration:
                mPreferences.setSongSortOrder(SortOrder.SongSortOrder.SONG_DURATION);
                reloadAdapter();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private class loadSongs extends AsyncTask<String, Void, String> {

        @Override
        protected String doInBackground(String... params) {
            if (getActivity() != null)
                mAdapter = new SongsListAdapter((AppCompatActivity) getActivity(),
                        SongLoader.getAllSongs(getActivity()), false);
            return "Executed";
        }

        @Override
        protected void onPostExecute(String result) {
            recyclerView.setAdapter(mAdapter);
            if (getActivity() != null)
                recyclerView.addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL_LIST));

        }

        @Override
        protected void onPreExecute() {
        }
    }
}