HomePageFragment

package com.dss.invitup.vc.homePage;
import android.content.Intent;
import android.graphics.Point;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.util.TypedValue;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import com.bumptech.glide.Glide;
import com.bumptech.glide.load.resource.drawable.GlideDrawable;
import com.bumptech.glide.request.RequestListener;
import com.bumptech.glide.request.target.Target;
import com.dss.invitup.MainActivity;
import com.dss.invitup.R;
import com.dss.invitup.adapters.HomePageAdapter;
import com.dss.invitup.events.ArchivedEventButtonTapped;
import com.dss.invitup.events.GetOccasionsFinishedEvent;
import com.dss.invitup.events.HostAnEventButtonTapped;
import com.dss.invitup.events.JoinAnEventButtonTapped;
import com.dss.invitup.events.ProfileTappedEvent;
import com.dss.invitup.events.RefreshHomePageOccasionEvent;
import com.dss.invitup.models.Occasion;
import com.dss.invitup.models.User;
import com.dss.invitup.models.serverResponses.OccasionsResponse;
import com.dss.invitup.singleton.AppController;
import com.dss.invitup.singleton.InterfaceManager;
import com.dss.invitup.singleton.ServerManager;
import com.dss.invitup.singleton.SettingsManager;
import com.dss.invitup.vc.login.LoginMainPageActivity;
import de.greenrobot.event.EventBus;
import de.hdodenhof.circleimageview.CircleImageView;
import in.srain.cube.views.ptr.PtrClassicFrameLayout;
import in.srain.cube.views.ptr.PtrFrameLayout;
import in.srain.cube.views.ptr.PtrUIHandler;
import in.srain.cube.views.ptr.indicator.PtrIndicator;
import io.realm.Realm;
/**
 * Copyright © 2016 Dihardja Software Solutions. All rights reserved.
 */
public class HomePageFragment extends Fragment {
    OccasionsResponse theOccasionsResponse;
    Realm realm;
    User currentUser;
    PtrClassicFrameLayout homePagePtrClassicFrameLayout;
    FrameLayout rootFrameLayout, profilePictureFrameLayout;
    RecyclerView homePageRecyclerView;
    CircleImageView profileCircleImageView, profileCircleImageViewLoading;
    HomePageAdapter homePageAdapter;
    LinearLayoutManager linearLayoutManager;
    Point size;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_home_page, container, false);
        realm = AppController.getInstance().getRealm();
        currentUser = SettingsManager.getInstance().getCurrentUser();
        rootFrameLayout = (FrameLayout) view.findViewById(R.id.fragment_home_page_rootFrameLayout);
        homePagePtrClassicFrameLayout = (PtrClassicFrameLayout) view.findViewById(R.id.fragment_home_page_ptrClassicFrameLayout);
        homePageRecyclerView = (RecyclerView) view.findViewById(R.id.fragment_home_page_recyclerView);
        profilePictureFrameLayout = (FrameLayout) view.findViewById(R.id.fragment_home_page_profileImageFrameLayout);
        profileCircleImageView = (CircleImageView) view.findViewById(R.id.fragment_home_page_profileImage);
        profileCircleImageViewLoading = (CircleImageView) view.findViewById(R.id.fragment_home_page_profileImageLoading);
        return view;
    }
    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (!EventBus.getDefault().isRegistered(this)) {
            EventBus.getDefault().register(this);
        }
        Display display = getActivity().getWindowManager().getDefaultDisplay();
        size = new Point();
        display.getSize(size);
        linearLayoutManager = new LinearLayoutManager(getActivity());
        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        homePageRecyclerView.setLayoutManager(linearLayoutManager);
        homePageRecyclerView.setHasFixedSize(true);
        homePageAdapter = new HomePageAdapter(getActivity(), listenerInterface);
        homePageRecyclerView.setAdapter(homePageAdapter);
        homePageRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
            }
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                homePagePtrClassicFrameLayout.setEnabled(false);
                if(linearLayoutManager.findFirstVisibleItemPosition()==0){
                    View v = linearLayoutManager.getChildAt(linearLayoutManager.findFirstVisibleItemPosition());
                    int offsetTop = v.getTop();
                    if(offsetTop==60){
                        homePagePtrClassicFrameLayout.setEnabled(true);
                    }
                }
            }
        });
        if(currentUser.getImageURL()!=null){
            if(!currentUser.getImageURL().equals("")) {
                profileCircleImageViewLoading.setVisibility(View.VISIBLE);
                Glide.with(getActivity()).load(currentUser.getImageURL()).listener(new RequestListener<String, GlideDrawable>() {
                    @Override
                    public boolean onException(Exception e, String model, Target<GlideDrawable> target, boolean isFirstResource) {
                        return false;
                    }
                    @Override
                    public boolean onResourceReady(GlideDrawable resource, String model, Target<GlideDrawable> target, boolean isFromMemoryCache, boolean isFirstResource) {
                        profileCircleImageViewLoading.setVisibility(View.GONE);
                        return false;
                    }
                }).into(profileCircleImageView);
            }
            else{

profileCircleImageView.setImageDrawable(getActivity().getResources().getDrawable(R.drawable.profile));
            }
        }
        profilePictureFrameLayout.setOnClickListener(profilePhotoListener);
        homePagePtrClassicFrameLayout.addPtrUIHandler(new PtrUIHandler() {
            @Override
            public void onUIReset(PtrFrameLayout frame) {
                homePageAdapter.notifyDataSetChanged();
            }
            @Override
            public void onUIRefreshPrepare(PtrFrameLayout frame) {
            }
            @Override
            public void onUIRefreshBegin(PtrFrameLayout frame) {
                InterfaceManager.sharedInstance().showLoading(rootFrameLayout,getActivity());
                ServerManager.getInstance().getAllOccasions(currentUser.getId());
            }
            @Override
            public void onUIRefreshComplete(PtrFrameLayout frame) {
                InterfaceManager.sharedInstance().hideLoading();
            }
            @Override
            public void onUIPositionChange(PtrFrameLayout frame, boolean isUnderTouch, byte status, PtrIndicator ptrIndicator) {
            }
        });
    }
    @Override
    public void onResume() {
        super.onResume();
        reloadLocalData();
    }
    FrameLayout.OnClickListener profilePhotoListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EventBus.getDefault().post(new ProfileTappedEvent());
        }
    };
    HomePageAdapter.HomePageAdapterListenerInterface listenerInterface = new HomePageAdapter.HomePageAdapterListenerInterface() {
        @Override
        public void sectionTapped(String buttonText) {
            if(buttonText.equalsIgnoreCase(getActivity().getResources().getString(R.string.title_event_archived))){
                EventBus.getDefault().post(new ArchivedEventButtonTapped());
            }
        }
        @Override
        public void itemTapped(Occasion theOccasion, String userRole) {
            if(userRole.equalsIgnoreCase("invited")){
                SettingsManager.getInstance().setCurrentUserRole(SettingsManager.UserRole.INVITED);
            }else if(userRole.equalsIgnoreCase("host")){
                SettingsManager.getInstance().setCurrentUserRole(SettingsManager.UserRole.HOST);
            }else if(userRole.equalsIgnoreCase("guest")){
                SettingsManager.getInstance().setCurrentUserRole(SettingsManager.UserRole.GUEST);
            }
            SettingsManager.getInstance().setCurrentOccasion(theOccasion);
            Intent i = new Intent(getActivity(), MainActivity.class);
            getActivity().startActivity(i);
        }
        @Override
        public void buttonTapped(String buttonText) {
            if(buttonText.equalsIgnoreCase(getActivity().getResources().getString(R.string.button_host_event))){
                EventBus.getDefault().post(new HostAnEventButtonTapped());
            }else if(buttonText.equalsIgnoreCase(getActivity().getResources().getString(R.string.button_join_event))){
                EventBus.getDefault().post(new JoinAnEventButtonTapped());
            }
        }
    };
    public void reloadLocalData(){
        setHeightContentRecyclerView();
        theOccasionsResponse = realm.where(OccasionsResponse.class).equalTo("id",currentUser.getId()).findFirst();
        if(theOccasionsResponse!=null){
            initOccasionView();
        }
        InterfaceManager.sharedInstance().showLoading(rootFrameLayout,getActivity());
        ServerManager.getInstance().getAllOccasions(currentUser.getId());
    }
    public void initOccasionView(){
        homePageAdapter.updateAdapter(theOccasionsResponse.getInvitedOccasionsGuests(), theOccasionsResponse.getManagedOccasions(), theOccasionsResponse.getJoinedOccasions());
        setHeightContentRecyclerView();
    }
    public void setHeightContentRecyclerView(){
        final RecyclerView.LayoutParams params = new RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.WRAP_CONTENT);
        homePageRecyclerView.measure(View.MeasureSpec.makeMeasureSpec(params.width, View.MeasureSpec.EXACTLY), View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
        params.leftMargin = 25;
        params.rightMargin = 25;
        Log.v("height rec:",homePageRecyclerView.getMeasuredHeight()+"");
        if(homePageRecyclerView.getMeasuredHeight() != 0 && SettingsManager.getInstance().getActivityJustMade()){
            SettingsManager.getInstance().setHeightOccasionsRecycledView(homePageRecyclerView.getMeasuredHeight());
        }
        if ( (size.y - SettingsManager.getInstance().getHeightOccasionsRecycledView()) > 92) {
            params.topMargin = (size.y - SettingsManager.getInstance().getHeightOccasionsRecycledView()) / 2;
        } else {
            params.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 46, getActivity().getResources().getDisplayMetrics());
        }
        if(SettingsManager.getInstance().getHeightOccasionsRecycledView() == 0){
            if((size.y - homePageRecyclerView.getMeasuredHeight()) < 46){
                params.topMargin = 46;
            }
        }
        if(params.topMargin < 46){
            params.topMargin = 46;
        }
        homePageRecyclerView.setLayoutParams(params);
    }
    public void onEvent(GetOccasionsFinishedEvent event){
        InterfaceManager.sharedInstance().hideLoading();
        homePagePtrClassicFrameLayout.refreshComplete();
        if(event.occasionsResponse!=null){
            SettingsManager.getInstance().setCurrentUserOccasionResponse(event.occasionsResponse);
            theOccasionsResponse = event.occasionsResponse;
            initOccasionView();
        }else{
            if(event.errorMessage.equalsIgnoreCase("Token is false or has expired") || event.errorMessage.equalsIgnoreCase("user not found")){
                SettingsManager.getInstance().setCurrentUser(null);
                SettingsManager.getInstance().setCurrentUserId(null);
                InterfaceManager.sharedInstance().showErrorMessage(getActivity(), getResources().getString(R.string.token_expired));
                Intent i = new Intent(getActivity(),LoginMainPageActivity.class);
                startActivity(i);
                getActivity().finish();
                InterfaceManager.sharedInstance().hideLoading();
            }else{
                InterfaceManager.sharedInstance().showErrorMessage(getActivity(),event.errorMessage);
                InterfaceManager.sharedInstance().hideLoading();
            }
        }
    }
    public void onEvent(RefreshHomePageOccasionEvent event){
        InterfaceManager.sharedInstance().showLoading(rootFrameLayout,getActivity());
        ServerManager.getInstance().getAllOccasions(currentUser.getId());
    }
    @Override
    public void onDestroy(){
        super.onDestroy();
        if(EventBus.getDefault().isRegistered(this)) {
            EventBus.getDefault().unregister(this);
        }
    }
}