ItemsListFragment

package com.allstoresteam.allstores;

import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

import com.allstoresteam.allstores.MyHttpClient;
import com.allstoresteam.allstores.gcm.PushRegIdManager;
import com.allstoresteam.allstores.model.BucketGoods;
import com.allstoresteam.allstores.model.GoodLikeLoaderResponse;
import com.allstoresteam.allstores.model.goods.Good;
import com.allstoresteam.allstores.model.goods.GoodsFromJSON;
import com.allstoresteam.allstores.model.shops.Shop;
import com.allstoresteam.allstores.network.GoodLikeLoader;
import com.allstoresteam.allstores.network.GoodsLoader;
import com.allstoresteam.allstores.network.ShopLoader;
import com.allstoresteam.allstores.ui.EndlessScrollListenerFixed;
import com.allstoresteam.allstores.ui.activities.GoodDetailActivity;
import com.allstoresteam.allstores.ui.activities.LoginActivity;
import com.allstoresteam.allstores.ui.activities.ShopOnMapActivity;
import com.allstoresteam.allstores.ui.adapters.GoodsListAdapter;
import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListener;

import org.json.JSONArray;

import in.srain.cube.views.GridViewWithHeaderAndFooter;

public class GoodsListFragment extends Fragment implements GoodsListAdapter.OnGoodLikedListener,
        SwipeRefreshLayout.OnRefreshListener{
    public static final String GOODS_URL_EXTRA_KEY = "goods_url_key";
    public static final String SHOP_URL_EXTRA_KEY = "shop_url_key";
    public static final String SHOP_NAME_EXTRA_KEY = "shop_name_key";
    public static final String SHOP_IMAGE_URL_EXTRA_KEY = "shop_image_url_key";
    public static final String SHOP_ID_EXTRA_KEY = "shop_id_key";
    public static final String TAB_POSITION_EXTRA_KEY = "tab_position_key";
    private static final int VISIBLE_THRESHOLD = 20;
    private static final int GOODS_LOADER_ID = 0;
    private static final int SHOP_LOADER_ID = 1;
    private static final int GOOD_LIKE_LOADER_ID = 2;

    private ImageLoader imageLoader;
    private GridViewWithHeaderAndFooter goodsGridView;
    private View goodsFooterView, goodsHeaderView;
    private TextView tvShopDescription, tvShopAddress;
    private Button bShowOnMap, bCall;
    private ProgressBar pbShopDescription;
    private GoodsListAdapter goodsListAdapter;
    private Loader<JSONArray> goodsLoader;
    private Loader<Shop> shopLoader;
    private Loader<GoodLikeLoaderResponse> goodLikeLoader;
    private GoodsFromJSON goods;
    private String goodsUrl, shopUrl, shopName, shopImageUrl, shopId;
    private int tabPosition;
    private BucketGoods bucketGoods;
    private String username, password;
    private SwipeRefreshLayout mSwipeRefreshLayout;
    private EndlessScrollListenerFixed endlessScrollListener;

    public static GoodsListFragment newInstance(String goodsUrl, String shopUrl, String shopName,
                                                String shopImageUrl, String shopId, int tabPosition) {
        GoodsListFragment frag = new GoodsListFragment();
        Bundle args = new Bundle();
        args.putString(GOODS_URL_EXTRA_KEY, goodsUrl);
        args.putString(SHOP_URL_EXTRA_KEY, shopUrl);
        args.putString(SHOP_NAME_EXTRA_KEY, shopName);
        args.putString(SHOP_IMAGE_URL_EXTRA_KEY, shopImageUrl);
        args.putString(SHOP_ID_EXTRA_KEY, shopId);
        args.putInt(TAB_POSITION_EXTRA_KEY, tabPosition);
        frag.setArguments(args);
        return frag;
    }

    public static GoodsListFragment newInstance(String goodsUrl, int tabPosition) {
        GoodsListFragment frag = new GoodsListFragment();
        Bundle args = new Bundle();
        args.putString(GOODS_URL_EXTRA_KEY, goodsUrl);
        args.putInt(TAB_POSITION_EXTRA_KEY, tabPosition);
        frag.setArguments(args);
        return frag;
    }
    public static GoodsListFragment newInstance(String goodsUrl) {
        GoodsListFragment frag = new GoodsListFragment();
        Bundle args = new Bundle();
        args.putString(GOODS_URL_EXTRA_KEY, goodsUrl);
        args.putInt(TAB_POSITION_EXTRA_KEY, 0);
        frag.setArguments(args);
        return frag;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        initImageLoader();
        setUsernameAndPassword();
        DisplayImageOptions imageLoaderOptions = new DisplayImageOptions.Builder()
                .showImageOnLoading(R.drawable.loading_afisha_image)
                .showImageOnFail(R.drawable.loading_afisha_image)
                .cacheInMemory(true)
                .bitmapConfig(Bitmap.Config.RGB_565)
                .cacheOnDisc(true)
                .build();
        DisplayImageOptions ilShopImageOptions = new DisplayImageOptions.Builder()
                .showImageOnLoading(R.drawable.loading_brend_image)
                .showImageOnFail(R.drawable.loading_brend_image)
                .cacheInMemory(true)
                .cacheOnDisc(true)
                .bitmapConfig(Bitmap.Config.RGB_565)
                .build();
        shopUrl = getArguments().getString(SHOP_URL_EXTRA_KEY);
        shopName = getArguments().getString(SHOP_NAME_EXTRA_KEY);
        shopImageUrl = getArguments().getString(SHOP_IMAGE_URL_EXTRA_KEY);
        shopId = getArguments().getString(SHOP_ID_EXTRA_KEY);
        goodsUrl = getArguments().getString(GOODS_URL_EXTRA_KEY);
        tabPosition = getArguments().getInt(TAB_POSITION_EXTRA_KEY);
        SharedPreferences mPreferences = getActivity().getSharedPreferences(getActivity().getString(R.string.app_name), 0);
        bucketGoods = new BucketGoods(mPreferences);


        final View rootView = inflater.inflate(R.layout.fragment_goods_grid, container, false);
        mSwipeRefreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.refresh);
        mSwipeRefreshLayout.setOnRefreshListener(this);
        goods = new GoodsFromJSON();
        goodsGridView = (GridViewWithHeaderAndFooter) rootView.findViewById(R.id.goods_grid);
        LayoutInflater layoutInflater = LayoutInflater.from(getActivity());
        goodsFooterView = layoutInflater.inflate(R.layout.good_grid_footer, null);
        goodsFooterView.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT));
        goodsListAdapter = new GoodsListAdapter(getActivity(), goods, imageLoaderOptions, this, bucketGoods);

        if (shopUrl != null && !shopUrl.equals("")){
            goodsHeaderView = layoutInflater.inflate(R.layout.good_grid_header2, null);
            goodsHeaderView.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT));
            goodsGridView.addHeaderView(goodsHeaderView);
            bShowOnMap = (Button) goodsHeaderView.findViewById(R.id.b_on_map);
            bCall = (Button) goodsHeaderView.findViewById(R.id.b_call);
            TextView tvShopName = (TextView) goodsHeaderView.findViewById(R.id.tv_shop_name);
            tvShopName.setText(shopName);
            ImageView ivShop = (ImageView) goodsHeaderView.findViewById(R.id.iv_shop);
            if (!shopImageUrl.equals(""))
                imageLoader.displayImage(shopImageUrl, ivShop, ilShopImageOptions,
                        new SimpleImageLoadingListener(){
                    @Override
                    public void onLoadingComplete(String imageUri,
                                                  View view, Bitmap loadedImage) {
                        goodsListAdapter.notifyDataSetChanged();
                    }
                });
            tvShopDescription = (TextView) goodsHeaderView.findViewById(R.id.tv_shop_description);
            tvShopDescription.setVisibility(View.GONE);
            tvShopAddress = (TextView) goodsHeaderView.findViewById(R.id.tv_shop_address);
            tvShopAddress.setVisibility(View.GONE);

            pbShopDescription = (ProgressBar) goodsHeaderView.findViewById(R.id.pb_shop_description);
            pbShopDescription.setVisibility(View.VISIBLE);
            Bundle bundle = new Bundle();
            bundle.putString(GoodsLoader.ARGS_URL, MyHttpClient.GET_SHOP_URL_NEW + shopId);
            shopLoader = getLoaderManager().initLoader(SHOP_LOADER_ID, bundle, new ShopLoaderCallbacks());
            shopLoader.forceLoad();
        }
        goodsGridView.post(new Runnable() {
            @Override
            public void run() {
                goodsGridView.tryToScrollToBottomSmoothly(100);
            }
        });
        goodsGridView.addFooterView(goodsFooterView);;
        goodsGridView.setAdapter(goodsListAdapter);
        goodsGridView.setFastScrollEnabled(false);
        goodsGridView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int position,
                                    long id) {
                Intent intent = new Intent(getActivity(), GoodDetailActivity.class);
                if (goodsListAdapter.getItem((int) id) != null) {
                    Good good = (Good) goodsListAdapter.getItem((int) id);
                    intent.putExtra(GoodDetailActivity.GOOD_DETAIL_JSON_INTENT_KEY, good.getJSONStr());
                    startActivity(intent);
                }
            }
        });
        endlessScrollListener = new EndlessScrollListenerFixed(0) {
            @Override
            public void onLoadMore(int page, int totalItemsCount) {
                goodsFooterView.setVisibility(View.VISIBLE);
                restartLoader(page);
                endlessScrollListener.setIsLoading(true);
            }
        };
        goodsGridView.setOnScrollListener(endlessScrollListener);
        restartLoader(0);
        return rootView;
    }


    public void initImageLoader() {
        ImageLoaderConfiguration imageLoaderConfiguration = new ImageLoaderConfiguration.Builder(getActivity())
                .threadPoolSize(5)
                .memoryCache(new WeakMemoryCache())
                .denyCacheImageMultipleSizesInMemory()
                .memoryCacheSize(1048576 * 10).build();
        imageLoader = ImageLoader.getInstance();
        imageLoader.init(imageLoaderConfiguration);
        //ImageLoader.getInstance().clearDiskCache();
        //ImageLoader.getInstance().clearMemoryCache();
        // Initialize ImageLoader with configuration.
    }

    private void setUsernameAndPassword(){
        SharedPreferences mPreferences = getActivity().getSharedPreferences(getString(R.string.app_name), 0);
        String email = mPreferences.getString(LoginActivity.PROPERTY_EMAIL, "");
        String name = mPreferences.getString(LoginActivity.PROPERTY_NAME, "");
        if (!email.equals("")){
            username = name;
            password = mPreferences.getString(LoginActivity.PROPERTY_PASSWORD, "");
        } else {
            username = mPreferences.getString(PushRegIdManager.PROPERTY_REG_ID, "");
            password = "";
        }
    }

    public void restartLoader(final int currentPage){
        Bundle bundle = new Bundle();
        bundle.putInt(GoodsLoader.ARGS_SKIP, currentPage);
        bundle.putInt(GoodsLoader.ARGS_LIMIT, VISIBLE_THRESHOLD);
        bundle.putString(GoodsLoader.ARGS_URL, goodsUrl);
        goodsLoader = getLoaderManager().restartLoader(GOODS_LOADER_ID, bundle, new LoaderCallbacks<JSONArray>(){
            @Override
            public Loader<JSONArray> onCreateLoader(int id, Bundle args) {
                Loader<JSONArray> loader = new GoodsLoader(getActivity(), args);
                return loader;
            }

            @Override
            public void onLoadFinished(Loader<JSONArray> loader, JSONArray goodsJSONArray) {
                if (mSwipeRefreshLayout.isRefreshing())
                    mSwipeRefreshLayout.setRefreshing(false);
                goodsFooterView.setVisibility(View.GONE);
                if (goodsJSONArray == null)
                    return;
                if (goodsJSONArray.length() == 0 && tabPosition == 0 && currentPage == 0){
                    Toast.makeText(getActivity(), getResources().getString(R.string.no_items_in_here), Toast.LENGTH_SHORT).show();
                }
                goods.appendGoodsFromJSON(goodsJSONArray);
                goods.setGoodsLikesData(bucketGoods);
                goodsListAdapter.notifyDataSetChanged();
                if (goodsJSONArray.length() == VISIBLE_THRESHOLD) {
                    endlessScrollListener.setIsLoading(false);
                    endlessScrollListener.increaseCurrentPage();
                }
            }

            @Override
            public void onLoaderReset(Loader<JSONArray> loader) {
                // TODO Auto-generated method stub
            }
        });
        goodsLoader.forceLoad();
    }

    @Override
    public void onGoodLiked(String goodId, String goodJSONStr) {
        SharedPreferences mPreferences = getActivity().getSharedPreferences(getString(R.string.app_name), 0);
        String email = mPreferences.getString(LoginActivity.PROPERTY_EMAIL, "");
        if (email.equals("")){
            Toast.makeText(getContext(), getResources().getString(R.string.login_to_like ability), Toast.LENGTH_SHORT).show();
            return;
        }
        Bundle bundle = new Bundle();
        bundle.putString(GoodLikeLoader.ARGS_GOOD_ID, goodId);
        bundle.putString(GoodLikeLoader.ARGS_GOOD_JSON_STR, goodJSONStr);
        bundle.putBoolean(GoodLikeLoader.ARGS_LIKE_OR_DISLIKE, true);
        bundle.putString(GoodLikeLoader.ARGS_PASSWORD, password);
        bundle.putString(GoodLikeLoader.ARGS_USERNAME, username);
        goodLikeLoader = getLoaderManager().restartLoader(GOOD_LIKE_LOADER_ID, bundle, new GoodLikeLoaderCallbacks());
        goodLikeLoader.forceLoad();
    }

    @Override
    public void onGoodDisliked(String goodId, String goodJSONStr) {
        SharedPreferences mPreferences = getActivity().getSharedPreferences(getString(R.string.app_name), 0);
        String email = mPreferences.getString(LoginActivity.PROPERTY_EMAIL, "");
        if (email.equals("")){
            Toast.makeText(getContext(), getResources().getString(R.string.login_to_like ability), Toast.LENGTH_SHORT).show();
            return;
        }
        Bundle bundle = new Bundle();
        bundle.putString(GoodLikeLoader.ARGS_GOOD_ID, goodId);
        bundle.putString(GoodLikeLoader.ARGS_GOOD_JSON_STR, goodJSONStr);
        bundle.putBoolean(GoodLikeLoader.ARGS_LIKE_OR_DISLIKE, false);
        bundle.putString(GoodLikeLoader.ARGS_PASSWORD, password);
        bundle.putString(GoodLikeLoader.ARGS_USERNAME, username);
        goodLikeLoader = getLoaderManager().restartLoader(GOODS_LOADER_ID, bundle, new GoodLikeLoaderCallbacks());
        goodLikeLoader.forceLoad();
    }

    @Override
    public void onRefresh() {
        goods.clear();
        goodsListAdapter.notifyDataSetChanged();
        restartLoader(0);
        endlessScrollListener.init();
    }

    private class ShopLoaderCallbacks implements LoaderCallbacks<Shop> {

        @Override
        public Loader<Shop> onCreateLoader(int id, Bundle args) {
            Loader<Shop> loader = new ShopLoader(getActivity(), args);
            return loader;
        }

        @Override
        public void onLoadFinished(Loader<Shop> loader, final Shop shop) {
            if (pbShopDescription != null)
                pbShopDescription.setVisibility(View.GONE);
            if (shop == null)
                return;
            if (shop.getDescription() != null && !shop.getDescription().equals("")) {
                tvShopDescription.setVisibility(View.VISIBLE);
                tvShopDescription.setText(shop.getDescription());
            }
            if (shop.getAddress() != null && !shop.getAddress().equals("")){
                tvShopAddress.setVisibility(View.VISIBLE);
                tvShopAddress.setText(shop.getAddress());
            }
            if (shop.getGpsLat() != 0) {
                bShowOnMap.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        Intent intent = new Intent(getActivity(), ShopOnMapActivity.class);
                        intent.putExtra(ShopOnMapActivity.SHOP_NAME_INTENT_KEY, shopName);
                        intent.putExtra(ShopOnMapActivity.SHOP_GPS_LAT_INTENT_KEY, shop.getGpsLat());
                        intent.putExtra(ShopOnMapActivity.SHOP_GPS_LONG_INTENT_KEY, shop.getGpsLong());
                        startActivity(intent);
                    }
                });
            }
            bCall.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    String phoneStr = shop.getTel();
                    if (phoneStr.equals("")){
                        Toast.makeText(getActivity(), "Магазин не указал своего номера телефона.",
                                Toast.LENGTH_SHORT).show();
                        return;
                    }
                    Intent intent = new Intent(Intent.ACTION_DIAL);
                    intent.setData(Uri.parse("tel:+7" + phoneStr));
                    startActivity(intent);
                }
            });

            goodsListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onLoaderReset(Loader<Shop> loader) {

        }
    }

    private class GoodLikeLoaderCallbacks implements LoaderCallbacks<GoodLikeLoaderResponse> {

        @Override
        public Loader<GoodLikeLoaderResponse> onCreateLoader(int id, Bundle args) {
            Loader<GoodLikeLoaderResponse> loader = new GoodLikeLoader(getActivity(), args);
            return loader;
        }

        @Override
        public void onLoadFinished(Loader<GoodLikeLoaderResponse> loader, GoodLikeLoaderResponse response) {
            if (!response.isSuccess()) {
                if (response.isLike())
                    bucketGoods.removeGood(response.getGoodId());
                else {
                    bucketGoods.addGood(response.getGoodJSONStr());
                }
                goods.setGoodsLikesData(bucketGoods);
                goodsListAdapter.notifyDataSetChanged();
            } else {
                if (response.isLike())
                    goods.increaseNumLikesByGoodId(response.getGoodId());
                else
                    goods.decreaseNumLikesByGoodId(response.getGoodId());
                goods.setGoodsLikesData(bucketGoods);
                goodsListAdapter.notifyDataSetChanged();
            }
        }
        @Override
        public void onLoaderReset(Loader<GoodLikeLoaderResponse> loader) {

        }
    }
}