MainActivity.java

package com.eugene.fithealth.Activities;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.Typeface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.CardView;
import android.support.v7.widget.Toolbar;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.eugene.fithealth.FatSecretSearchAndGet.FatSecretSearchItem;
import com.eugene.fithealth.LogQuickSearchData.LogQuickSearch;
import com.eugene.fithealth.LogQuickSearchData.LogQuickSearchAdapter;
import com.eugene.fithealth.MyPagerAdapter;
import com.eugene.fithealth.R;
import com.eugene.fithealth.SearchListView.Item;
import com.eugene.fithealth.SearchListView.SearchAdapter;
import com.eugene.fithealth.Utilities.InitiateSearch;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;


public class MainActivity extends AppCompatActivity {
    private Resources res;
    private InitiateSearch initiateSearch;
    private Toolbar toolbar;
    private TabLayout tabs;
    private View line_divider, toolbar_shadow;
    private RelativeLayout view_search;
    private CardView card_search;
    private ImageView image_search_back, clearSearch;
    private EditText edit_text_search;
    private ListView listView, listContainer;
    private LogQuickSearchAdapter logQuickSearchAdapter;
    private Set<String> set;
    private ArrayList<Item> mItem;
    private FatSecretSearchItem mFatSecretSearch;
    private SearchAdapter searchAdapter;
    private ProgressBar marker_progress;
    private String brand;
    private AsyncTask<String, String, String> mAsyncTask;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        res = this.getResources();
        initiateSearch = new InitiateSearch();
        toolbar = (Toolbar) findViewById(R.id.toolbar);
        tabs = (TabLayout) findViewById(R.id.tabs);
        view_search = (RelativeLayout) findViewById(R.id.view_search);
        line_divider = findViewById(R.id.line_divider);
        toolbar_shadow = findViewById(R.id.toolbar_shadow);
        edit_text_search = (EditText) findViewById(R.id.edit_text_search);
        card_search = (CardView) findViewById(R.id.card_search);
        image_search_back = (ImageView) findViewById(R.id.image_search_back);
        clearSearch = (ImageView) findViewById(R.id.clearSearch);
        listView = (ListView) findViewById(R.id.listView);
        listContainer = (ListView) findViewById(R.id.listContainer);
        marker_progress = (ProgressBar) findViewById(R.id.marker_progress);
        marker_progress.getIndeterminateDrawable().setColorFilter(Color.parseColor("#FFFFFF"),//Pink color
            android.graphics.PorterDuff.Mode.MULTIPLY);
        logQuickSearchAdapter = new LogQuickSearchAdapter(this, 0, LogQuickSearch.all());
        mItem = new ArrayList<>();
        searchAdapter = new SearchAdapter(this, mItem);
        listView.setAdapter(logQuickSearchAdapter);
        listContainer.setAdapter(searchAdapter);
        set = new HashSet<>();
        mFatSecretSearch = new FatSecretSearchItem();
        SetTypeFace();
        InitiateToolbarTabs();
        InitiateSearch();
        HandleSearch();
        IsAdapterEmpty();
    }

    private void InitiateToolbarTabs() {
        toolbar.setTitleTextColor(res.getColor(R.color.text_color));
        toolbar.setNavigationIcon(R.mipmap.ic_menu);
        toolbar.inflateMenu(R.menu.menu_main);
        tabs.setTabTextColors(Color.parseColor("#906D6D6D"), Color.parseColor("#6D6D6D"));
        tabs.setTabMode(TabLayout.MODE_SCROLLABLE);
        ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
        MyPagerAdapter pagerAdapterToolbarSearch = new MyPagerAdapter(this, getSupportFragmentManager());
        viewPager.setAdapter(pagerAdapterToolbarSearch);
        tabs.setupWithViewPager(viewPager);
    }

    private void InitiateSearch() {
        toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
            @Override
            public boolean onMenuItemClick(MenuItem item) {
                int menuItem = item.getItemId();
                switch (menuItem) {
                    case R.id.action_search:
                        IsAdapterEmpty();
                        initiateSearch.handleToolBar(MainActivity.this, card_search, toolbar, view_search, listView, edit_text_search, line_divider);
                        break;
                    default:
                        break;
                }
                return false;
            }
        });
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                LogQuickSearch logQuickSearch = logQuickSearchAdapter.getItem(position);
                edit_text_search.setText(logQuickSearch.getName());
                listView.setVisibility(View.GONE);
                ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(edit_text_search.getWindowToken(), 0);
                toolbar_shadow.setVisibility(View.GONE);
                searchFood(logQuickSearch.getName(), 0);
            }
        });
        edit_text_search.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (edit_text_search.getText().toString().length() == 0) {
                    logQuickSearchAdapter = new LogQuickSearchAdapter(MainActivity.this, 0, LogQuickSearch.all());
                    listView.setAdapter(logQuickSearchAdapter);
                    clearSearch.setImageResource(R.mipmap.ic_keyboard_voice);
                    IsAdapterEmpty();
                } else {
                    logQuickSearchAdapter = new LogQuickSearchAdapter(MainActivity.this, 0, LogQuickSearch.FilterByName(edit_text_search.getText().toString()));
                    listView.setAdapter(logQuickSearchAdapter);
                    clearSearch.setImageResource(R.mipmap.ic_close);
                    IsAdapterEmpty();
                }
            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });
        clearSearch.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (edit_text_search.getText().toString().length() == 0) {

                } else {
                    mAsyncTask.cancel(true);
                    edit_text_search.setText("");
                    listView.setVisibility(View.VISIBLE);
                    clearItems();
                    ((InputMethodManager) MainActivity.this.getSystemService(Context.INPUT_METHOD_SERVICE)).toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY);
                    IsAdapterEmpty();
                }
            }
        });
    }


    private void UpdateQuickSearch(String item) {
        for (int i = 0; i < logQuickSearchAdapter.getCount(); i++) {
            LogQuickSearch ls = logQuickSearchAdapter.getItem(i);
            String name = ls.getName();
            set.add(name.toUpperCase());
        }
        if (set.add(item.toUpperCase())) {
            LogQuickSearch recentLog = new LogQuickSearch();
            recentLog.setName(item);
            recentLog.setDate(new Date());
            recentLog.save();
            logQuickSearchAdapter.add(recentLog);
            logQuickSearchAdapter.notifyDataSetChanged();
        }
    }

    private void HandleSearch() {
        image_search_back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                initiateSearch.handleToolBar(MainActivity.this, card_search, toolbar, view_search, listView, edit_text_search, line_divider);
                listContainer.setVisibility(View.GONE);
                toolbar_shadow.setVisibility(View.VISIBLE);
                clearItems();
            }
        });
        edit_text_search.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
                if (actionId == EditorInfo.IME_ACTION_SEARCH) {
                    if (edit_text_search.getText().toString().trim().length() > 0) {
                        clearItems();
                        ((InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(edit_text_search.getWindowToken(), 0);
                        UpdateQuickSearch(edit_text_search.getText().toString());
                        listView.setVisibility(View.GONE);
                        searchFood(edit_text_search.getText().toString(), 0);
                        toolbar_shadow.setVisibility(View.GONE);
                    }
                    return true;
                }
                return false;
            }
        });
    }

    private void IsAdapterEmpty() {
        if (logQuickSearchAdapter.getCount() == 0) {
            line_divider.setVisibility(View.GONE);
        } else {
            line_divider.setVisibility(View.VISIBLE);
        }
    }

    private void SetTypeFace() {
        Typeface roboto_regular = Typeface.createFromAsset(getAssets(), "fonts/Roboto-Regular.ttf");
        edit_text_search.setTypeface(roboto_regular);
    }

    /**
     * Handle FatSecret Search
     */

    private void clearItems() {
        listContainer.setVisibility(View.GONE);
        mItem.clear();
        searchAdapter.notifyDataSetChanged();
    }


    private void searchFood(final String item, final int page_num) {
        mAsyncTask = new AsyncTask<String, String, String>() {
            @Override
            protected void onPreExecute() {
                marker_progress.setVisibility(View.VISIBLE);
            }

            @Override
            protected String doInBackground(String... arg0) {
                JSONObject food = mFatSecretSearch.searchFood(item, page_num);
                JSONArray FOODS_ARRAY;
                try {
                    if (food != null) {
                        FOODS_ARRAY = food.getJSONArray("food");
                        if (FOODS_ARRAY != null) {
                            for (int i = 0; i < FOODS_ARRAY.length(); i++) {
                                JSONObject food_items = FOODS_ARRAY.optJSONObject(i);
                                Log.e("FOod", food_items.toString());
                                String food_name = food_items.getString("food_name");
                                String food_description = food_items.getString("food_description");
                                String[] row = food_description.split("-");
                                String id = food_items.getString("food_type");
                                if (id.equals("Brand")) {
                                    brand = food_items.getString("brand_name");
                                }
                                if (id.equals("Generic")) {
                                    brand = "Generic";
                                }
                                String food_id = food_items.getString("food_id");
                                mItem.add(new Item(food_name, row[1].substring(1),
                                    "" + brand, food_id));
                            }
                        }
                    }
                } catch (JSONException exception) {
                    exception.printStackTrace();
                    return "Error";
                }
                return "";
            }

            @Override
            protected void onPostExecute(String result) {
                super.onPostExecute(result);
                marker_progress.setVisibility(View.GONE);
                searchAdapter.notifyDataSetChanged();
                if (mItem.size() > 0) {
                    toolbar_shadow.setVisibility(View.GONE);
                    TranslateAnimation slide = new TranslateAnimation(0, 0, listContainer.getHeight(), 0);
                    slide.setAnimationListener(new Animation.AnimationListener() {
                        @Override
                        public void onAnimationStart(Animation animation) {
                            listContainer.setVisibility(View.VISIBLE);
                        }

                        @Override
                        public void onAnimationEnd(Animation animation) {

                        }

                        @Override
                        public void onAnimationRepeat(Animation animation) {

                        }
                    });
                    slide.setDuration(300);
                    listContainer.startAnimation(slide);
                    listContainer.setVerticalScrollbarPosition(0);
                    listContainer.setSelection(0);
                } else {
                    toolbar_shadow.setVisibility(View.VISIBLE);
                    listContainer.setVisibility(View.GONE);
                }

            }

            @Override
            protected void onCancelled() {
                marker_progress.setVisibility(View.GONE);
            }

        };
        mAsyncTask.execute();
    }
}