/*
 * Copyright (c) 2020 WildFireChat. All rights reserved.
 */

package cn.wildfire.chat.kit.contact.newfriend;

import android.os.Bundle;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProviders;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import butterknife.BindView;
import butterknife.ButterKnife;
import cn.wildfire.chat.kit.R;
import cn.wildfire.chat.kit.R2;
import cn.wildfire.chat.kit.contact.ContactViewModel;
import cn.wildfire.chat.kit.third.utils.UIUtils;
import cn.wildfire.chat.kit.user.UserViewModel;
import cn.wildfire.chat.kit.utils.ThreadPool;
import cn.wildfirechat.model.FriendRequest;
import com.alibaba.fastjson.JSON;

import java.util.ArrayList;
import java.util.List;

public class FriendRequestListFragment extends Fragment {
    @BindView(R2.id.noNewFriendLinearLayout)
    LinearLayout noNewFriendLinearLayout;
    @BindView(R2.id.newFriendListLinearLayout)
    LinearLayout newFriendLinearLayout;
    @BindView(R2.id.friendRequestListRecyclerView)
    RecyclerView recyclerView;

    private ContactViewModel contactViewModel;
    private FriendRequestListAdapter adapter;
    private boolean first = true;
    private List<FriendRequest> rawList = new ArrayList<>();

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.contact_new_friend_fragment, container, false);
        ButterKnife.bind(this, view);
        init();
        return view;
    }

    private void init() {
        Bundle arguments = getArguments();
        if (arguments == null) {
            setRawFriendRequest();
            return;
        }
        boolean isContact = arguments.getBoolean("isContact");
        if (isContact) {
            setContactRequest(arguments);
        } else {
            setRawFriendRequest();
        }

    }

    public void refreshSearchData(String searchKey) {
        if (first) {
            first = false;
            rawList.addAll(adapter.getData());
        }
        if (TextUtils.isEmpty(searchKey)) {
            adapter.refreshData(rawList);
        }

        ThreadPool.getInstance().getCachedPools().execute(new Runnable() {
            @Override
            public void run() {
                List<FriendRequest> result = new ArrayList<>();
                for (FriendRequest request : rawList) {
                    boolean phoneContain = false;
                    boolean nameContain = false;
                    if (!TextUtils.isEmpty(request.phone)) {
                        phoneContain = request.phone.contains(searchKey);
                    }
                    if (!TextUtils.isEmpty(request.showName)) {
                        nameContain = request.showName.contains(searchKey);
                    }

                    if (phoneContain || nameContain) {
                        result.add(request);
                    }
                }
                UIUtils.postTaskSafely(new Runnable() {
                    @Override
                    public void run() {
                        adapter.refreshData(result);
                    }
                });

            }
        });
    }

    private void setContactRequest(Bundle arguments) {
        String data = arguments.getString("data");
        List<FriendRequest> requests = JSON.parseArray(data, FriendRequest.class);
        if (requests != null && requests.size() > 0) {
            noNewFriendLinearLayout.setVisibility(View.GONE);
            newFriendLinearLayout.setVisibility(View.VISIBLE);

            adapter = new FriendRequestListAdapter(FriendRequestListFragment.this);
            adapter.setFriendRequests(requests);
            recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
            recyclerView.setAdapter(adapter);
        } else {
            noNewFriendLinearLayout.setVisibility(View.VISIBLE);
            newFriendLinearLayout.setVisibility(View.GONE);
        }
    }

    private void setRawFriendRequest() {
        contactViewModel = ViewModelProviders.of(this).get(ContactViewModel.class);
        UserViewModel userViewModel = ViewModelProviders.of(this).get(UserViewModel.class);

        userViewModel.userInfoLiveData().observe(getViewLifecycleOwner(), userInfos -> {
            if (adapter != null) {
                adapter.onUserInfosUpdate(userInfos);
            }
        });

        List<FriendRequest> requests = contactViewModel.getFriendRequest();
        if (requests != null && requests.size() > 0) {
            noNewFriendLinearLayout.setVisibility(View.GONE);
            newFriendLinearLayout.setVisibility(View.VISIBLE);

            adapter = new FriendRequestListAdapter(FriendRequestListFragment.this);
            adapter.setFriendRequests(requests);
            recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
            recyclerView.setAdapter(adapter);
        } else {
            noNewFriendLinearLayout.setVisibility(View.VISIBLE);
            newFriendLinearLayout.setVisibility(View.GONE);
        }
        contactViewModel.clearUnreadFriendRequestStatus();
    }
}