package com.hdl.photovoltaic.ui.message;

import android.content.Intent;
import android.os.Bundle;
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.google.gson.Gson;
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.FragmentRecoverMessageBinding;
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.BUserInfo;
import com.hdl.photovoltaic.ui.bean.MessageBean;
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-已恢复
 */
public class RecoverMessageFragment extends CustomBaseFragment {

    FragmentRecoverMessageBinding viewBinding;

    private MessageAdapter messageRecoverAdapter;
    private int currentPage = 0; // 当前页码
    private int currentTotal = 0; // 总页码

    private int totalCount = 0;//消息数量总数

    private boolean isLoadingMore = false; // 标记正在加载更多数据

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

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

    @Override
    public void onBindView(Bundle savedInstanceState) {
        //初始化界面
        initView();
        //初始化监听器
        initEvent();
        //进来读取一次数据(为了更新currentPage，currentTotal这个值)
        loadNextPageRecoverMessageList(1, true);
    }

    /**
     * 更新本地缓存数据
     */
    private void updatelocalityCacheData() {
        mList.clear();
        mList.addAll(HdlMessageLogic.getInstance().getRecoverMessageMemoryList());

    }

    private void initEvent() {
        //设置下拉箭头颜色
        viewBinding.messageRecoverSrl.setColorSchemeResources(R.color.text_FF245EC3);
        viewBinding.messageRecoverSrl.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                viewBinding.messageRecoverSrl.setRefreshing(false);
                mList.clear();//表示强制重新请求第一页消息列表
                HdlMessageLogic.getInstance().clearListMessage();//表示强制清空所有缓存信息
                loadNextPageRecoverMessageList(1, true);
            }
        });
        messageRecoverAdapter.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.messageRecoverRecyclerview.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
//                super.onScrolled(recyclerView, dx, dy);

                LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();
                if (layoutManager == null) {
                    return;
                }
                int visibleItemCount = layoutManager.getChildCount();
                int totalItemCount = layoutManager.getItemCount();
                int firstVisibleItemPosition = layoutManager.findFirstVisibleItemPosition();
                if (visibleItemCount > 0 && visibleItemCount + firstVisibleItemPosition == totalItemCount) {
                    if (!isLoadingMore) {
                        // 滑动到了底部，执行相应的操作
                        HdlLogLogic.print("--->滑动到了底部");
                        loadNextPageRecoverMessageList(++currentPage, false);
                    }
                }
            }
        });
    }


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


    /**
     * 刷新列表数据
     */
    private void updateListData() {

        HdlThreadLogic.runMainThread(new Runnable() {
            @Override
            public void run() {
                //更新本地缓存数据
                updatelocalityCacheData();
                //刷新列表
                if (messageRecoverAdapter != null) {
                    messageRecoverAdapter.setList(mList);
                    messageRecoverAdapter.notifyDataSetChanged();
                }
                //刷新【已恢复】信息数量总数
                refreshRecoverCount();
                //显示没数据Ui样式
                nullDataUpdateUi();
            }
        });

    }


    @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.recover.toString())) {
                // 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.processed)) {
                //消息详情回调
                updatelocalityCacheData();
                ++totalCount;
                updateListData();

            }
        }
    }

    /**
     * 加载一页数据
     *
     * @param pageNo        页数
     * @param isShowLoading 是否启动加载框 true启动
     */
    private void loadNextPageRecoverMessageList(int pageNo, boolean isShowLoading) {
        //第一页读取数据强制读
        if (pageNo > 1 && currentPage > currentTotal) {
            --currentPage;
            //当前页不能大于总页数
            return;
        }
        isLoadingMore = true;//标记读取状态
        if (isShowLoading) {
            showLoading();
        }
        HdlMessageLogic.getInstance().getPageNoMessageList(pageNo, MessageStateType.processed, new CloudCallBeak<HdlMessageLogic.MessageListClass>() {
            @Override
            public void onSuccess(HdlMessageLogic.MessageListClass messageListClass) {
                if (messageListClass != null) {
                    currentTotal = (int) messageListClass.getTotalPage();
                    currentPage = (int) messageListClass.getPageNo();
                    totalCount = (int) messageListClass.getTotalCount();
                    updateListData();
                }
                isLoadingMore = false;
                if (isShowLoading) {
                    hideLoading();
                }
            }

            @Override
            public void onFailure(HDLException e) {
                if (currentPage > 1) {
                    --currentPage;
                }
                isLoadingMore = false;
                if (isShowLoading) {
                    hideLoading();
                }
            }
        });
    }


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

            }
        });
    }

    /**
     * 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);
    }

}