package com.application.zhangshi_app_android.ui.function;

import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.ImageView;

import com.android.app_base.base.BaseConfig;
import com.android.app_base.base.view.BaseFragment;
import com.android.app_base.base.viewmodel.BaseViewModel;
import com.android.app_base.utils.GlideUtil;
import com.application.zhangshi_app_android.R;
import com.application.zhangshi_app_android.bean.BannerBean;
import com.application.zhangshi_app_android.databinding.FragmentImageCarouselBinding;
import com.youth.banner.Banner;
import com.youth.banner.adapter.BannerImageAdapter;
import com.youth.banner.config.IndicatorConfig;
import com.youth.banner.holder.BannerImageHolder;
import com.youth.banner.indicator.CircleIndicator;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Ljj
 * @date 2023.07.16. 23:23
 * @desc 功能主页的图片轮播 Fragment
 */
public class ImageCarouselFragment extends BaseFragment<FragmentImageCarouselBinding, ImageCarouselFragmentViewModel> {

    private List<BannerBean> imageList;
    private List<BannerBean> chooseList = new ArrayList<>();
    private BannerImageAdapter<BannerBean> adapter;
    private ImageCarouselFragment() {
    }

    public static ImageCarouselFragment newInstance() {
        ImageCarouselFragment fragment = new ImageCarouselFragment();
        Bundle args = new Bundle();
        fragment.setArguments(args);
        return fragment;
    }

    public void setImageList(List<BannerBean> imageList) {
        this.imageList = imageList;
        Bundle args = new Bundle();
        args.putSerializable("imgList", (Serializable) imageList);
        setArguments(args);

        if (isAdded()){
            if (imageList == null) {
                return;
            }
            chooseList = new ArrayList<>();
            //选出被选中的图片
            for (BannerBean bean : imageList) {
                if (bean.getChoose() == 1) {
                    chooseList.add(bean);
                }
            }
            if (chooseList == null || chooseList.size() == 0) {
                binding.layoutDataNull.setVisibility(View.VISIBLE);
                binding.banner.setVisibility(View.GONE);
            } else {
                binding.layoutDataNull.setVisibility(View.GONE);
                binding.banner.setVisibility(View.VISIBLE);
                if (adapter != null) {
                    adapter.setDatas(chooseList);
                }
            }
        }
    }

    public List<BannerBean> getImageList() {
        return imageList;
    }

    @Override
    protected int getLayoutId() {
        return R.layout.fragment_image_carousel;
    }

    @Override
    protected int getVariableId() {
        return 0;
    }

    @Override
    protected void initParam() {
        if (getArguments() != null) {
            imageList = (List<BannerBean>) getArguments().getSerializable("imgList");

        }
    }

    @Override
    protected void initView() {
        if (imageList != null) {
            chooseList = new ArrayList<>();
            //选出被选中的图片
            for (BannerBean bean : imageList) {
                if (bean.getChoose() == 1) {
                    chooseList.add(bean);
                }
            }
            if (chooseList == null || chooseList.size() == 0) {
                binding.layoutDataNull.setVisibility(View.VISIBLE);
                binding.banner.setVisibility(View.GONE);
            } else {
                binding.layoutDataNull.setVisibility(View.GONE);
                binding.banner.setVisibility(View.VISIBLE);
                if (adapter != null) {
                    adapter.setDatas(chooseList);
                }
            }
        }
        adapter = new BannerImageAdapter<BannerBean>(chooseList) {
            @Override
            public void onBindView(BannerImageHolder holder, BannerBean data, int position, int size) {
                String url = data.getUrl();
                if (url.contains("profile/upload")) {//如果是上传到服务器的图片
                    //只取profile/upload以后的部分
                    url = url.substring(url.indexOf("profile/upload"));
                    url = BaseConfig.BASE_URL_DOMAIN + "/" + url;
                }
                GlideUtil.loadImage(url, holder.imageView);
            }

            @Override
            public BannerImageHolder onCreateHolder(ViewGroup parent, int viewType) {
                ImageView imageView = new ImageView(parent.getContext());
                //注意，必须设置为match_parent，这个是viewpager2强制要求的
                ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(
                        ViewGroup.LayoutParams.MATCH_PARENT,
                        ViewGroup.LayoutParams.MATCH_PARENT);
                imageView.setLayoutParams(params);
                imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
                return new BannerImageHolder(imageView);
            }
        };
        binding.banner.setAdapter(adapter)
                .addBannerLifecycleObserver(this)//添加生命周期观察者
                .setIndicator(new CircleIndicator(getSelfActivity()));

        if (chooseList == null || chooseList.size() == 0) {
            binding.layoutDataNull.setVisibility(View.VISIBLE);
            binding.banner.setVisibility(View.GONE);
        } else {
            binding.layoutDataNull.setVisibility(View.GONE);
            binding.banner.setVisibility(View.VISIBLE);
            if (adapter != null) {
                adapter.setDatas(chooseList);
            }
        }
    }

    @Override
    protected void initData() {
    }

    @Override
    protected void initLiveDataObserve() {

    }
}