package com.application.zhangshi_app_android.ui.function;

import static com.android.app_base.base.BaseConfig.CODE_SUCCESS;

import android.app.Application;

import androidx.annotation.NonNull;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;

import com.android.app_base.base.StateViewEnum;
import com.android.app_base.base.viewmodel.BaseViewModel;
import com.android.app_base.http.ResultData;
import com.android.app_base.utils.RxUtils;
import com.application.zhangshi_app_android.bean.MeetingStaBean;
import com.application.zhangshi_app_android.bean.MeetingStaRequestBean;
import com.application.zhangshi_app_android.bean.PageResponseBean;
import com.application.zhangshi_app_android.data.DataRepository;

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

import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;
import io.reactivex.functions.Action;

/**
 * @author Ljj
 * @date 2023.03.18. 10:00
 * @desc 家大事记 viewmodel
 */
public class MeetingStaActivityViewModel extends BaseViewModel<DataRepository> {

    private MutableLiveData<List<MeetingStaBean>> checkListLiveData;//选中的数据
    private MutableLiveData<List<MeetingStaBean>> dataListLiveData;//所有数据
    private MutableLiveData<Integer> operateTypeLiveData;//右上角操作框 操作类型 0 弹出选择操作 1.完成 2.删除
    private MutableLiveData<MeetingStaRequestBean> requestBeanLiveData;//请求参数
    private MutableLiveData<List<MeetingStaBean>> moreListLiveData;//下拉加载数据
    private MutableLiveData<List<MeetingStaBean>> finishDeleteListLiveData;//已经完成删除的数据，用于adapter的remove操作

    //创建并初始化ViewModel
    public MeetingStaActivityViewModel(@NonNull Application application) {
        super(application);
    }


    //DataRepository 是一个数据仓库类，负责管理数据的获取和存储，
    // 该方法通过调用 DataRepository.getInstance() 来获取 DataRepository 的单例实例，并将其返回model。
    @Override
    protected DataRepository initModel() {
        return DataRepository.getInstance();
    }
    /**
     * 获取家大事
     * 记
     */



    //getRequestBeanLiveData().getValue() 检查请求数据的 LiveData 是否为空。
    // 如果为空，则创建一个新的MeetingRequestBean 对象，并将其设置为 LiveData 的值，以确保请求数据不为 null。
    public void getMeetingSta() {
        if (getRequestBeanLiveData().getValue() == null){
            getRequestBeanLiveData().setValue(new MeetingStaRequestBean());
        }
        //设置请求数据对象的页码为 1，表示要获取第一页的数据。
        getRequestBeanLiveData().getValue().setPageNum(1);

        //通过model(ViewModel 中的数据仓库对象)发起网络请求，并将请求数据转换为 Map 类型，以便发送给服务器。
        model.getMeetingSta(getRequestBeanLiveData().getValue().toMap())

                //应用线程调度器，确保观察者在正确的线程上运行。
                .compose(RxUtils.schedulersTransformer())

                //订阅这个网络请求的结果
                .subscribe(new Observer<ResultData<PageResponseBean<MeetingStaBean>>>() {
                    @Override

                    //将订阅对象添加到 addSubscribe() 中，以便在不再需要时取消订阅。
                    //创建 Disposable 对象来管理订阅
                    // 使用 Disposable，可以有效地管理异步操作的生命周期，确保资源在不再需要时被正确释放。

                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }



                    @Override
                    //onNext()处理成功获取数据的情况
                    public void onNext(ResultData<PageResponseBean<MeetingStaBean>> data) {
                        if (data.getCode() == CODE_SUCCESS){
                            if (data.getData().getData().isEmpty()){

                                //更新界面状态为 StateViewEnum.DATA_NULL
                                changeStateView(StateViewEnum.DATA_NULL);
                            }else {
                                //隐藏状态视图并将数据列表发布到 dataListLiveData
                                changeStateView(StateViewEnum.HIDE);
                                dataListLiveData.postValue(data.getData().getData


                                        ());
                            }

                            //如果返回的数据不成功，则将服务器返回的消息发布到 messageLiveData，以便通知用户。
                        }else {
                            messageLiveData.postValue(data.getMsg());
                        }
                    }

                    @Override
                    //onError()处理发生错误的情况，将错误消息发布到 messageLiveData。
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }
    /**
     * 加载更多
     */
    public void getMoreMeeting() {
        if (getRequestBeanLiveData().getValue() == null){
            getRequestBeanLiveData().setValue(new MeetingStaBean());
        }
        getRequestBeanLiveData().getValue().setPageNum(getRequestBeanLiveData().getValue().getPageNum() + 1);
        model.getMeetingSta(getRequestBeanLiveData().getValue().toMap())
                .compose(RxUtils.schedulersTransformer())
                .doFinally(new Action() {
                    @Override
                    public void run() throws Exception {
                        changeStateView(StateViewEnum.DATA_FINISH);
                    }
                })
                .subscribe(new Observer<ResultData<PageResponseBean<MeetingStaBean>>>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }

                    @Override
                    public void onNext(ResultData<PageResponseBean<MeetingStaBean>> data) {
                        if (data.getCode() == CODE_SUCCESS){
                            if (data.getData().getData().isEmpty()){
                                messageLiveData.postValue("没有更多数据了");
                            }else {
                                changeStateView(StateViewEnum.HIDE);
                                moreListLiveData.postValue(data.getData().getData());
                            }
                        }else {
                            messageLiveData.postValue(data.getMsg());
                        }
                    }

                    @Override
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }
    /**
     * 删除家大事记
     */
    public void deleteCheckList() {
        List<MeetingStaBean> deleteList = getCheckListLiveData().getValue();
        if (deleteList == null){
            return;
        }
        StringBuffer sb = new StringBuffer();
        deleteList.forEach(MeetingStaBean -> sb.append(MeetingStaBean.getId()).append(","));
        sb.deleteCharAt(sb.length()-1);
        model.deleteMeetingSta(sb.toString())
                .compose(RxUtils.schedulersTransformer())
                .subscribe(new Observer<ResultData<String>>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }

                    @Override
                    public void onNext(ResultData<String> stringResultData) {
                        if (stringResultData.getCode() == CODE_SUCCESS){
                            messageLiveData.postValue("删除成功");
                            finishDeleteListLiveData.postValue(checkListLiveData.getValue());
                            getCheckListLiveData().postValue(new ArrayList<>());
                        }else {
                            messageLiveData.postValue(stringResultData.getMsg());
                        }
                    }

                    @Override
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }
    /**
     * 删除单个数据
     */
    public void deleteItem(MeetingStaBean bean) {
        model.deleteMeetingSta(String.valueOf(bean.getId()))
                .compose(RxUtils.schedulersTransformer())
                .subscribe(new Observer<ResultData<String>>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }

                    @Override
                    public void onNext(ResultData<String> stringResultData) {
                        if (stringResultData.getCode() == CODE_SUCCESS){
                            List<MeetingStaBean> list = new ArrayList<>();
                            list.add(bean);
                            finishDeleteListLiveData.postValue(list);
                            messageLiveData.postValue("删除成功");
                        }else {
                            messageLiveData.postValue(stringResultData.getMsg());
                        }
                    }

                    @Override
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }

                    @Override
                    public void onComplete() {

                    }
                });
    }

    public MutableLiveData<List<MeetingStaBean>> getCheckListLiveData() {
        if (checkListLiveData==null){
            checkListLiveData = new MutableLiveData<>();
            checkListLiveData.postValue(new ArrayList<>());
        }
        if (checkListLiveData.getValue() == null){
            checkListLiveData.postValue(new ArrayList<>());
        }
        return checkListLiveData;
    }

    public void setCheckListLiveData(MutableLiveData<List<MeetingStaBean>> checkListLiveData) {
        this.checkListLiveData = checkListLiveData;
    }

    @NonNull    //NonNull 用于标记方法参数、返回值、字段或方法的返回类型不允许为 null

    //getRequestBeanLiveData() 获取一个包含MeetingRequestBean 数据的 MutableLiveData 对象。
    public MutableLiveData<MeetingStaRequestBean> getRequestBeanLiveData() {
        if (requestBeanLiveData == null){
            requestBeanLiveData = new MutableLiveData<>();
        }
        if (requestBeanLiveData.getValue() == null){
            requestBeanLiveData.setValue(new MeetingStaRequestBean());
        }
        return requestBeanLiveData;
    }

    public void setRequestBeanLiveData(MutableLiveData<MeetingStaRequestBean> requestBeanLiveData) {
        this.requestBeanLiveData = requestBeanLiveData;
    }

    public MutableLiveData<List<MeetingStaBean>> getDataListLiveData() {
        if (dataListLiveData == null){
            dataListLiveData = new MutableLiveData<>();
        }
        return dataListLiveData;
    }

    public void setDataListLiveData(MutableLiveData<List<MeetingStaBean>> dataListLiveData) {
        this.dataListLiveData = dataListLiveData;
    }

    @NonNull
    public MutableLiveData<List<MeetingStaBean>> getMoreListLiveData() {
        if (moreListLiveData == null){
            moreListLiveData = new MutableLiveData<>();
        }
        return moreListLiveData;
    }

    public void setMoreListLiveData(MutableLiveData<List<MeetingStaBean>> moreListLiveData) {
        this.moreListLiveData = moreListLiveData;
    }

    @NonNull
    public MutableLiveData<Integer> getOperateTypeLiveData() {
        if (operateTypeLiveData == null){
            operateTypeLiveData = new MutableLiveData<>();
            operateTypeLiveData.setValue(0);
        }
        return operateTypeLiveData;
    }

    public void setOperateTypeLiveData(MutableLiveData<Integer> operateTypeLiveData) {
        this.operateTypeLiveData = operateTypeLiveData;
    }

    public LiveData<List<MeetingStaBean>> getFinishDeleteListLiveData() {
        if (finishDeleteListLiveData == null){
            finishDeleteListLiveData = new MutableLiveData<>();
        }
        return finishDeleteListLiveData;
    }

    public void setFinishDeleteListLiveData(MutableLiveData<List<MeetingStaBean>> finishDeleteListLiveData) {
        this.finishDeleteListLiveData = finishDeleteListLiveData;
    }

    /**
     * 改变排序
     * @param b true 降序 false 升序
     */
//    public void changeOrder(boolean b) {
//        List<MeetingStaBean> list = getDataListLiveData().getValue();
//        if (list == null || list.isEmpty()){
//            return;
//        }
//        if (b) {
//            // 从新到旧，null排最后
//            list.sort((o1, o2) -> {
//                String happenTime1 = o1.getHappenTime();
//                String happenTime2 = o2.getHappenTime();
//                if (TextUtils.isEmpty(happenTime1) && TextUtils.isEmpty(happenTime2)) {
//                    return 0;
//                } else if (TextUtils.isEmpty(happenTime1)) {
//                    return 1;
//                } else if (TextUtils.isEmpty(happenTime2)) {
//                    return -1;
//                } else {
//                    Date date1 = Utils.parseDate(happenTime1);
//                    Date date2 = Utils.parseDate(happenTime2);
//                    if (date1 != null && date2 != null) {
//                        return date2.compareTo(date1);
//                    }
//                    return 0;
//                }
//            });
//        } else  {
//            // 从旧到新，null排最前
//            list.sort((o1, o2) -> {
//                String happenTime1 = o1.getHappenTime();
//                String happenTime2 = o2.getHappenTime();
//                if (TextUtils.isEmpty(happenTime1) && TextUtils.isEmpty(happenTime2)) {
//                    return 0;
//                } else if (TextUtils.isEmpty(happenTime1)) {
//                    return -1;
//                } else if (TextUtils.isEmpty(happenTime2)) {
//                    return 1;
//                } else {
//                    Date date1 = Utils.parseDate(happenTime1);
//                    Date date2 = Utils.parseDate(happenTime2);
//                    if (date1 != null && date2 != null) {
//                        return date1.compareTo(date2);
//                    }
//                    return 0;
//                }
//            });
//        }
//        getDataListLiveData().setValue(list);
//    }

    /**
     * 本家数据 置顶
     */
    public void ownTop(){
        List<MeetingStaBean> list = getDataListLiveData().getValue();
        if (list == null || list.isEmpty()){
            return;
        }
        //根据ownData值为1的 放到前面
        list.sort((o1, o2) -> {
            if (o1.getOwnData() == 1 && o2.getOwnData() == 0) {
                return -1;
            } else if (o1.getOwnData() == 0 && o2.getOwnData() == 1) {
                return 1;
            }
            return 0;
        });
        getDataListLiveData().setValue(list);
    }
}