package com.hdl.photovoltaic.ui.message;


import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.hdl.linkpm.sdk.core.exception.HDLException;
import com.hdl.photovoltaic.R;
import com.hdl.photovoltaic.base.CustomBaseFragment;
import com.hdl.photovoltaic.config.ConstantManage;
import com.hdl.photovoltaic.databinding.FragmentNascentMessageBinding;
import com.hdl.photovoltaic.enums.MessageFunctionTabSwitch;
import com.hdl.photovoltaic.enums.MessageStateType;
import com.hdl.photovoltaic.listener.CloudCallBeak;
import com.hdl.photovoltaic.other.HdlCommonLogic;
import com.hdl.photovoltaic.other.HdlLogLogic;
import com.hdl.photovoltaic.other.HdlMessageLogic;
import com.hdl.photovoltaic.other.HdlThreadLogic;
import com.hdl.photovoltaic.ui.adapter.MessageAdapter;
import com.hdl.photovoltaic.ui.bean.HouseIdBean;
import com.hdl.photovoltaic.ui.bean.MessageBean;
import com.hdl.photovoltaic.utils.GlideUtils;
import com.hdl.sdk.link.core.bean.eventbus.BaseEventBus;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

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

/**
 * 消息-发生中
 */
public class NascentMessageFragment extends CustomBaseFragment {
    private FragmentNascentMessageBinding viewBinding;

    private MessageAdapter messageNascentAdapter;

    private final List<MessageBean> mList = new ArrayList<>();

    // 添加上拉加载更多的逻辑
    private int visibleThreshold = 5; // 当前显示的最后一项与总共有多少条数据之间的差值
    private int currentPage = 1; // 当前页码
    private boolean isLoadingMore = false; // 标记正在加载更多数据

    LinearLayoutManager layoutManager;

    @Override
    public Object getContentView() {
        viewBinding = FragmentNascentMessageBinding.inflate(getLayoutInflater());
        return viewBinding.getRoot();
    }

    @Override
    public void onBindView(Bundle savedInstanceState) {
        //初始化数据
//        initData();
        //初始化界面
        initView();
        //初始化监听器
        initEvent();
    }

    private void initData() {
        mList.clear();
        mList.addAll(HdlMessageLogic.getInstance().getNascentMessageMemoryList());
    }

    private void initEvent() {
        //设置下拉箭头颜色
        viewBinding.messageNascentSrl.setColorSchemeResources(R.color.text_FF245EC3);
        viewBinding.messageNascentSrl.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                mList.clear();//表示强制重新请求消息列表
                updateListData();//清空之前缓存,因为遇到一个问题猛拉的时候报错;
                getNascentMessageList(false);
            }
        });
        messageNascentAdapter.setNoOnclickListener(new MessageAdapter.OnclickListener() {
            @Override
            public void onClick(int position, MessageBean item) {
                if (position < 0 || position > mList.size()) {
                    return;
                }
                Intent intent = new Intent();
                intent.putExtra("msgId", item.getMsgId().toString());
                intent.setClass(_mActivity, MessageInfoActivity.class);
                startActivity(intent);

            }
        });

        viewBinding.messageNascentRecyclerview.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);

                if (dy <= 0) {
                    //等于0是顶部
                    return;
                }
                LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
                assert layoutManager != null;
                // 只有垂直布局才会触发上拉事件
                if (!layoutManager.canScrollVertically()) {
                    return;
                }

                int totalItemCount = layoutManager.getItemCount();
                int lastVisibleItemPosition = layoutManager.findLastVisibleItemPosition();

                if (!isLoadingMore && totalItemCount <= (lastVisibleItemPosition + visibleThreshold)) {
//                    loadNextPage();
                }
            }
        });
    }

    private void initView() {
        layoutManager = new LinearLayoutManager(_mActivity);
        viewBinding.messageNascentRecyclerview.setLayoutManager(layoutManager);
        messageNascentAdapter = new MessageAdapter(this.mList, _mActivity);
        viewBinding.messageNascentRecyclerview.setAdapter(messageNascentAdapter);
    }

    /**
     * 刷新列表数据
     */
    private void updateListData() {
        if (this.messageNascentAdapter != null) {
            this.messageNascentAdapter.setList(mList);
            this.messageNascentAdapter.notifyDataSetChanged();
        }
        //刷新【发生中】信息数量总数
        this.refreshNascentCount();
        this.nullDataUpdateUi();


    }

    /**
     * 刷新【发生中】信息数量总数
     */
    private void refreshNascentCount() {
        HdlThreadLogic.runMainThread(new Runnable() {
            @Override
            public void run() {
                TextView textView = _mActivity.findViewById(R.id.message_tab_nascent_title_tv);
                if (textView != null) {
                    textView.setText(getText(R.string.message_nascent));
                    if (mList.size() > 0) {
                        String s = getText(R.string.message_nascent) + "(" + mList.size() + ")";
                        textView.setText(s);
                    }
                }
            }
        });
    }

    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
    public void onEventMessage(BaseEventBus eventBus) {
        super.onEventMessage(eventBus);
        if (eventBus == null) {
            return;
        }
        //接收外部点击事件
        if (eventBus.getTopic().equals(ConstantManage.message_function_tab_switch)) {
            if (eventBus.getType().equals(MessageFunctionTabSwitch.nascent.toString())) {
                initData();
                getNascentMessageList(true);
                getUnreadCount();
                // 取消粘性事件
                EventBus.getDefault().removeStickyEvent(eventBus);

            }

        } else if (eventBus.getTopic().equals(ConstantManage.message_function_push_post)) {
            if (eventBus.getType().equals(MessageStateType.untreated)) {
                //消息详情回调
                initData();
                updateListData();
                getUnreadCount();
            }
        }
    }

    /**
     * 获取发生中的消息列表
     *
     * @param isShowLoading 是否启动加载框 true启动
     */
    private void getNascentMessageList(boolean isShowLoading) {
        if (mList.size() == 0) {
            if (isShowLoading) {
                showLoading();
            }
            HdlMessageLogic.getInstance().getNascentMessageList(new CloudCallBeak<List<MessageBean>>() {
                @Override
                public void onSuccess(List<MessageBean> list) {
                    HdlThreadLogic.runMainThread(new Runnable() {
                        @Override
                        public void run() {
                            if (isShowLoading) {
                                hideLoading();
                            }
                            if (!isShowLoading) {
                                viewBinding.messageNascentSrl.setRefreshing(false);
                            }

                            if (list != null && list.size() != 0) {
                                mList.addAll(list);
                                updateListData();
                            }
                        }
                    });

                }

                @Override
                public void onFailure(HDLException e) {
                    if (isShowLoading) {
                        hideLoading();
                    }
                    if (!isShowLoading) {
                        viewBinding.messageNascentSrl.setRefreshing(false);
                    }
                }
            });
        }
    }

//    private void loadNextPage() {
//        isLoadingMore = true;
//
//        // 模拟网络请求获取新的数据
//        Handler handler = new Handler();
//        handler.postDelayed(() -> {
//            List<MessageBean> newData = fetchNewDataFromServer(currentPage++);
//            messageNascentAdapter.setList(newData);
//            isLoadingMore = false;
//        }, 2000);
//    }
//
//    private List<MessageBean> fetchNewDataFromServer(int pageNumber) {
//        // TODO: 从服务器获取新的数据并返回
//        pageNumber++;
//        List<MessageBean> newData = HdlMessageLogic.getInstance().getAllMessageList();
//        return newData;
//    }

    /**
     * 读取消息【未读数量】
     */
    private void getUnreadCount() {
        HdlMessageLogic.getInstance().getMessageUntreatedCount(new CloudCallBeak<String>() {
            @Override
            public void onSuccess(String data) {

                HdlThreadLogic.runMainThread(new Runnable() {
                    @Override
                    public void run() {
                        JSONObject jsonObject = JSON.parseObject(data);
//                        if (jsonObject.containsKey("untreatedCount")) {
//                            //未处理数量
//                            jsonObject.getString("untreatedCount");
//                        }
                        String unreadCount = "0";
                        if (jsonObject.containsKey("unreadCount")) {
                            //未读数量
                            unreadCount = jsonObject.getString("unreadCount");
                        }
                        TextView textView = _mActivity.findViewById(R.id.my_message_bottom_il2).findViewById(R.id.red_count_tv);
                        if (textView != null) {
                            if (TextUtils.isEmpty(unreadCount) || unreadCount.equals("0")) {
                                textView.setVisibility(View.GONE);
                            } else {
                                if (unreadCount.length() > 2) {
                                    //大于3位数,默认99+
                                    unreadCount = "99+";
                                }
                                textView.setVisibility(View.VISIBLE);
                                textView.setText(unreadCount);
                            }
                        }
                    }
                });

            }

            @Override
            public void onFailure(HDLException e) {
                TextView textView = _mActivity.findViewById(R.id.my_message_bottom_il2).findViewById(R.id.red_count_tv);
                if (textView != null) {
                    textView.setVisibility(View.GONE);
                }
            }
        });
    }


    /**
     * 没有电站列表的样式
     */
    private void nullDataUpdateUi() {
        HdlCommonLogic.getInstance().nullDataUpdateUi(_mActivity,
                viewBinding.nullDataIc.getRoot(),
                viewBinding.nullDataIc.nullDataGifAnimationIv,
                viewBinding.nullDataIc.nullDataTv, getString(R.string.message_alarm_data_null), mList.size() > 0);
    }
}