/**
 * A simple {@link Fragment} subclass.
 */
public class MessageFragment extends ItemAbs implements IMessageView, ISocketConnectionListener, View.OnClickListener, IMessageRead, View.OnLayoutChangeListener, RecyclerView.OnItemTouchListener {
    @BindView(R.id.rv_messages)
    RecyclerView rvMessages;
    @BindView(R.id.et_message_fragment)
    EditText etMessageTextToChat;
    @BindView(R.id.iv_message_fragment)
    ImageView ivSendMessageToChat;
    @BindView(R.id.iv_attach_message_fragment)
    ImageView ivAttachToChat;
    @BindView(R.id.pb_load_messages)
    ProgressBar pbLoadMessages;

    private boolean needCancelNotification = true;
    private boolean isNeedUpTo = true;
    private EndlessRecyclerViewScrollListener scrollListener;
    MessagePresenter presenter;
    MessageChatAdapter messageChatAdapter;
    LinearLayoutManager manager;
    private int lastVisibleListPosition = 0;
    private boolean messageFromCache = false;
    private int offsetCount;



    public static MessageFragment newInstance(String itemCategory){
        MessageFragment f = new MessageFragment();
        Bundle bundle = new Bundle();
        bundle.putString("ItemCategory", itemCategory);
        f.setArguments(bundle);

        return f;
    }

    public static MessageFragment newInstance(String itemCategory, String chatID, int unreadCount){
        MessageFragment f = new MessageFragment();
        Bundle bundle = new Bundle();
        bundle.putString("ItemCategory", itemCategory);
        bundle.putString("ChatID", chatID);
        bundle.putInt("unreadCount", unreadCount);
        f.setArguments(bundle);

        return f;
    }

    public static MessageFragment newInstance(String itemCategory, String chatID){
        MessageFragment f = new MessageFragment();
        Bundle bundle = new Bundle();
        bundle.putString("ItemCategory", itemCategory);
        bundle.putString("ChatID", chatID);
        f.setArguments(bundle);

        return f;
    }

    @Override
    protected int getResourceID() {
        return R.layout.fragment_message;
    }

    @Override
    protected void onCreateView(View view) {



        ivSendMessageToChat.setOnClickListener(this);
        ivAttachToChat.setOnClickListener(this);
        rvMessages.addOnItemTouchListener(this);






        ((OnChangeViewPosition)getActivity()).onChangeToolbarSetting(getCategory(), true);

        if (!messageFromCache) {
            manager = new LinearLayoutManager(getActivity());
            manager.setStackFromEnd(true);
            manager.setReverseLayout(true);
            manager.scrollToPositionWithOffset(1, 0);
            rvMessages.setLayoutManager(manager);
            rvMessages.addOnLayoutChangeListener(this);

            scrollListener = new EndlessRecyclerViewScrollListener(manager) {
                @Override
                public void onLoadMore(int page, int totalItemsCount, RecyclerView view) {
                    Log.d("TAG", "onLoadMore: page= " + page + " totalItemCount= " + totalItemsCount);
                    int offset = 30 * page;
                    int limit = 30;
                    presenter.loadMore(offset, limit);
                }
            };

            rvMessages.addOnScrollListener(scrollListener);
            messageChatAdapter = new MessageChatAdapter(getActivity(), this);
            rvMessages.setAdapter(messageChatAdapter);
            cancelNotificationByChatId(getIDbyChatID());
            presenter = new MessagePresenter(this);
            presenter.loadMore(0, 30);
        }
    }




    private int getIDbyChatID() {
        if (getChatID() != null) {
            String idd = getChatID().substring(2);
            Long l = LongUtils.parseUnsignedLong(idd, 16);
            return (l).intValue();
        }
        else return 0;
    }

    public String getCategory()
    {
        return getArguments().getString("ItemCategory", null);
    }

    public String getChatID()
    {
        return getArguments().getString("ChatID", null);
    }

    @Override
    public void showProgressBar() {
        pbLoadMessages.setVisibility(View.VISIBLE);
    }

    @Override
    public void stopProgress() {
        if (pbLoadMessages.getVisibility() == View.VISIBLE)
        pbLoadMessages.setVisibility(View.INVISIBLE);
    }


    @Override
    public void onDestroy() {
        Log.d("TAG", "MF onDestroyView: ");
        super.onDestroy();
    }

    public int getUnreadCount()
    {
        return getArguments().getInt("unreadCount", 0);
    }




    @Override
    public void onClick(View view) {
        if (view == ivSendMessageToChat) {
            Log.d("TAG", "Clickk");

            if (!etMessageTextToChat.getText().toString().isEmpty()) {
                    presenter.sendMessage(getChatID(), etMessageTextToChat.getText().toString());
                    etMessageTextToChat.setText("");
            }
        }
        if (view == ivAttachToChat)
        {
            Log.d("TAG", "onClick: ivAttachToChat" );
        }
    }


    @Override
    public void onMessageRead(String messageID) {
        presenter.sendMessageRead(messageID, getChatID());
    }

    //поднимать ссобщение в чате до последнего
    @Override
    public void onMessageCountChange() {
        Log.d("TAG", "addOrUpdateMessage: add 2 " + messageChatAdapter.getItemCount() );

        cancelNotificationByChatId(getIDbyChatID());
//        rvMessages.getLayoutManager().scrollToPosition(0);
        rvMessages.scrollToPosition(0);
    }

    @Override
    public void cancelFocus() {
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                if (etMessageTextToChat.isFocused()) {
                    etMessageTextToChat.clearFocus();
                    InputMethodManager imm = (InputMethodManager) getActivity()
                            .getSystemService(Context.INPUT_METHOD_SERVICE);
                    imm.hideSoftInputFromWindow(etMessageTextToChat.getWindowToken(), 0);

                }

            }
        });
    }

    @Override
    public void setImagePreviewPosition(int adapterPosition) {
        Log.d("TAG", "XXX onStop: adapterPosition " + adapterPosition);
        lastVisibleListPosition = adapterPosition;
    }

    @Override
    public void snowChat(final ArrayList<MessageModel> model, String token, int upToMessage) {
        new Handler(Looper.getMainLooper()).post(new Runnable() {


            @Override
            public void run() {

                messageChatAdapter.setToken(token);
                messageChatAdapter.update(model, getUnreadCount());
                stopProgress();


                //LinearLayoutManager mlayoutManager = (LinearLayoutManager) rvMessages.getLayoutManager();
                //mlayoutManager.scrollToPositionWithOffset(messageChatAdapter.getItemCount(), 0);
                rvMessages.scrollToPosition(messageChatAdapter.getItemCount());
                if (isNeedUpTo) {
                    Log.d("TAG", "XXX onStop: upTo X");
                    rvMessages.scrollToPosition(upToMessage);
                    isNeedUpTo = false;
                }
                if (messageFromCache) {
                    Log.d("TAG", "XXX onStop: mesFromC " + lastVisibleListPosition);
//                    rvMessages.getLayoutManager().scrollToPosition(lastVisibleListPosition);
                    rvMessages.scrollToPosition(lastVisibleListPosition);
                    messageFromCache = false;
                }
                Log.d("TAG", "onResume: " + messageChatAdapter.getItemCount() );

            }
        });

    }

    @Override
    public void onDestroyView() {
        Log.d("TAG", "MF onDestroyView: ");
        super.onDestroyView();

    }

    @Override
    public void showMessage(MessageModel messageModel) {
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                Log.d("TAG", "XXX F showMessage" + messageModel.getMessageText());

                    messageChatAdapter.addOrUpdateMessage(messageModel);
                    cancelNotificationByChatId(getIDbyChatID());


                }
        });
    }
    ///////////////////////////////////////////////////////////
    //вхдящие типа mark_read, chat_messages, send_message_by_chat

    @Override
    public void onMessageReceived(String text) {
        Log.d("TAG", "BAG onMessageReceived: " + text);
        presenter.getMessage(text);
    }

    @Override
    public void onConnect() {
    }


    @Override
    public void onResume() {
        super.onResume();
        needCancelNotification = true;

        messageChatAdapter.notifyDataSetChanged();
        /*if (messageFromCache) {
            Log.d("TAG", "onResume: offsetCount " + offsetCount);
            presenter.getMesssagesFromCache(getChatID(), offsetCount*30 );

            //presenter.getUpdateData(getChatID(), "");
        }*/
    }

    @Override
    public void onConnectError(String text) {
        new Handler(Looper.getMainLooper()).post(() -> Toast.makeText(getActivity(), text, Toast.LENGTH_SHORT).show());

    }

    @Override
    public void onPause() {
        super.onPause();
        Log.d("TAG", "MF onPause: ");
    }

    @Override
    public void onStop() {
        needCancelNotification = false;
        messageFromCache = true;
        offsetCount = (int) messageChatAdapter.getItemCount() / 30;

        super.onStop();


    }


    //eсли клавиатура появляется в чате, чтобы поднять последнее сообщение в чате над клавитурой
    @Override
    public void onLayoutChange(View view, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom){
        Log.d("TAG", "onLayoutChange: " + left +" " + top + " " + right + " " + bottom);
        if ( bottom < oldBottom) {
            rvMessages.postDelayed(new Runnable() {
                @Override
                public void run() {
                    rvMessages.scrollToPosition(0);
                    etMessageTextToChat.requestFocus();

                }
            }, 50);
        }
    }

    //убирать клавиатуру и  фокус с эдит текста
    @Override
    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
        //Log.d("TAG", "onInterceptTouchEvent: ");
        cancelFocus();
        return false;
    }





    //non use
    @Override
    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
        Log.d("TAG", "onRequestDisallowInterceptTouchEvent: ");
    }
    //non use
    @Override
    public void onTouchEvent(RecyclerView rv, MotionEvent e) {

        Log.d("TAG", "onTouchEvent2: ");
    }
}