package com.duqing.missions.ui.main.home;

import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;

import com.duqing.missions.ui.main.home.model.MissionDesc;

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

public class HomeViewModel extends ViewModel {

    private MutableLiveData<String> mText;
    private MutableLiveData<List<MissionDesc>> topMissions = new MutableLiveData<>();
    private MutableLiveData<List<MissionDesc>> recommendMissions = new MutableLiveData<>();

    public HomeViewModel() {
        mText = new MutableLiveData<>();
        mText.setValue("This is home fragment");
    }

    public LiveData<String> getText() {
        return mText;
    }

    public MutableLiveData<List<MissionDesc>> getTopMissions() {
        return topMissions;
    }

    public MutableLiveData<List<MissionDesc>> getRecommendMissions() {
        return recommendMissions;
    }

    public void onRefresh(){
        List<MissionDesc> list = topMissions.getValue() == null? new ArrayList<>() :topMissions.getValue();
        list.clear();
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        topMissions.setValue(list);
        List<MissionDesc> list2 = recommendMissions.getValue() == null? new ArrayList<>() :recommendMissions.getValue();
        list2.clear();
        list2.addAll(list);
        recommendMissions.setValue(list2);
    }

    public void onLoadMore(){
        List<MissionDesc> list = recommendMissions.getValue() == null? new ArrayList<>():recommendMissions.getValue() ;
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        list.add(new MissionDesc());
        recommendMissions.setValue(list);
    }
}