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

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

import android.os.Bundle;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
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 butterknife.OnClick;
import cn.wildfire.chat.kit.R;
import cn.wildfire.chat.kit.R2;
import cn.wildfire.chat.kit.contact.UserListAdapter;
import cn.wildfire.chat.kit.contact.model.UIUserInfo;
import cn.wildfire.chat.kit.widget.FlowTagLayout;
import cn.wildfire.chat.kit.widget.OnTagSelectListener;
import cn.wildfire.chat.kit.widget.TagAdapter;
import cn.wildfire.chat.kit.widget.TagItem;

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

public class SearchAndPickUserFragment extends Fragment implements UserListAdapter.OnUserClickListener {
    private CheckableUserListAdapter contactAdapter;
    private PickUserViewModel pickUserViewModel;
    private PickUser pickUser;

    @BindView(R2.id.usersRecyclerView)
    RecyclerView contactRecyclerView;
    @BindView(R2.id.tipTextView)
    TextView tipTextView;
    @BindView(R2.id.tag_layout)
    FlowTagLayout tagLayout;

    private TagAdapter<String> tagAdapter;

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

    public void setPickUser(PickUser pickUser) {
        this.pickUser = pickUser;
    }
    private void initTagView() {
        tagAdapter = new TagAdapter(getActivity());
        tagLayout.setTagCheckedMode(FlowTagLayout.FLOW_TAG_CHECKED_MULTI);
        tagLayout.setAdapter(tagAdapter);
        tagLayout.setOnTagSelectListener(new OnTagSelectListener() {
            @Override
            public void onItemSelect(FlowTagLayout parent, List<Integer> selectedList) {
                if (selectedList != null && selectedList.size() > 0) {
                    //科室筛选
                }else{
                    //筛选
                }
            }
        });
        initTagData();
    }

    private void initTagData() {
        List<TagItem> dataSource = new ArrayList<>();
        dataSource.add(new TagItem("心血管外壳"));
        dataSource.add(new TagItem("心血管内科"));
        dataSource.add(new TagItem("心内科"));
        tagAdapter.onlyAddAll(dataSource);
    }

    @OnClick(R2.id.tipTextView)
    void onTipTextViewClick() {
        pickUser.hideSearchContactFragment();
    }

    private void init() {
        pickUserViewModel = ViewModelProviders.of(getActivity()).get(PickUserViewModel.class);
        contactAdapter = new CheckableUserListAdapter(this);
        contactAdapter.setOnUserClickListener(this);
        contactRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
        contactRecyclerView.setAdapter(contactAdapter);
    }

    public void search(String keyword) {
        if (TextUtils.isEmpty(keyword)) {
            return;
        }
        List<UIUserInfo> result = pickUserViewModel.searchUser(keyword);
        if (result == null || result.isEmpty()) {
            contactRecyclerView.setVisibility(View.GONE);
            tipTextView.setVisibility(View.VISIBLE);
        } else {
            contactRecyclerView.setVisibility(View.VISIBLE);
            tipTextView.setVisibility(View.GONE);
        }
        contactAdapter.setUsers(result);
        contactAdapter.notifyDataSetChanged();
    }

    public void rest() {
        tipTextView.setVisibility(View.VISIBLE);
        contactRecyclerView.setVisibility(View.GONE);
        contactAdapter.setUsers(null);
    }

    @Override
    public void onUserClick(UIUserInfo userInfo) {
        if (userInfo.isCheckable()) {
            pickUserViewModel.checkUser(userInfo, !userInfo.isChecked());
            // the checked status has already changed by checkContact method
            contactAdapter.updateUserStatus(userInfo);
        }
    }
}