package com.application.zhangshi_app_android.ui.function;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.android.app_base.base.adapter.BaseRVAdapter;
import com.android.app_base.base.dialog.BaseDialog;
import com.android.app_base.base.dialog.WaitDialog;
import com.android.app_base.base.view.BaseActivity;
import com.android.app_base.utils.GlideEngine;
import com.application.zhangshi_app_android.BR;
import com.application.zhangshi_app_android.R;
import com.application.zhangshi_app_android.adapter.ElectronicFileAddAdapter;
import com.application.zhangshi_app_android.bean.BannerBean;
import com.application.zhangshi_app_android.databinding.ActivityImageSelectBinding;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.target.CustomTarget;
import com.bumptech.glide.request.transition.Transition;
import com.hjq.bar.TitleBar;
import com.luck.picture.lib.basic.PictureSelector;
import com.luck.picture.lib.config.SelectMimeType;
import com.luck.picture.lib.engine.CropFileEngine;
import com.luck.picture.lib.entity.LocalMedia;
import com.luck.picture.lib.interfaces.OnResultCallbackListener;
import com.luck.picture.lib.style.PictureSelectorStyle;
import com.luck.picture.lib.style.SelectMainStyle;
import com.luck.picture.lib.style.TitleBarStyle;
import com.luck.picture.lib.utils.PictureFileUtils;
import com.luck.picture.lib.utils.StyleUtils;
import com.yalantis.ucrop.UCrop;
import com.yalantis.ucrop.UCropImageEngine;
import com.yalantis.ucrop.model.AspectRatio;

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

/**
 * @author Ljj
 * @date 2023.07.30. 8:50
 * @desc 轮播图 图片选择 Activity
 */
public class ImageSelectActivity extends BaseActivity<ActivityImageSelectBinding, ImageSelectActivityViewModel> {

    private static final String TAG = "ImageSelectActivity";
    private BaseDialog mWaitDialog;
    private ElectronicFileAddAdapter adapter;

    @Override
    public int getLayoutId() {
        return R.layout.activity_image_select;
    }

    @Override
    public int getVariableId() {
        return BR.viewModel;
    }

    @Override
    public void initParam() {
        if (getIntent() != null) {
            viewModel.setFlag(getIntent().getIntExtra("flag", 0));
            viewModel.setList((List<BannerBean>) getIntent().getSerializableExtra("list"));
        }
    }

    @Override
    public void initView() {
        adapter = new ElectronicFileAddAdapter(this);
        GridLayoutManager gridLayoutManager = new GridLayoutManager(this, 3);
        binding.rvImage.setLayoutManager(gridLayoutManager);
        binding.rvImage.setNestedScrollingEnabled(false);
        adapter.setShowSelectIcon(true);
        adapter.setItemAndAddClickListener(new ElectronicFileAddAdapter.OnItemAndAddClickListener() {
            @Override
            public void onItemClick(View itemView, int position) {
                //编辑状态下，点击图片才能修改是否被选中
                if (viewModel.getType()) {
                    List<BannerBean> beans = viewModel.getListLiveData().getValue();
                    BannerBean updateBean = null;
                    if (beans != null) {
                        for (BannerBean bean : beans) {
                            if (bean.getUrl().equals(adapter.getItem(position))) {
                                updateBean = bean;
                                break;
                            }
                        }
                    }
                    if (updateBean != null) {
                        updateBean.setChoose(updateBean.getChoose()==0?1:0);
                        viewModel.update(updateBean);
                    }
                }
            }

            @Override
            public void onAddClick() {
                int chooseMode = 0;
                ImageFileCropEngine cropEngine = null;
                if (viewModel.getFlag() == 0) {
                    chooseMode = SelectMimeType.ofImage();
                    cropEngine =  new ImageFileCropEngine();
                } else if (viewModel.getFlag() == 1) {
                    chooseMode = SelectMimeType.ofVideo();
                }

                PictureSelector.create(getSelfActivity())
                        .openGallery(chooseMode)
                        .setImageEngine(GlideEngine.createGlideEngine())
                        .setCropEngine(cropEngine)// 设置裁剪引擎
                        .isMaxSelectEnabledMask(true)// 达到最大选择数是否开启禁选蒙层
                        .forResult(new OnResultCallbackListener<LocalMedia>() {
                            @Override
                            public void onResult(ArrayList<LocalMedia> result) {
                                if (result.size() == 0) return;
                                for (LocalMedia media : result) {
                                    if (media.isCut()){
                                        viewModel.add(media.getCutPath());
                                    }else {
                                        viewModel.add(media.getRealPath());
                                    }

                                    Log.i(TAG, "文件名: " + media.getFileName());
                                    Log.i(TAG, "是否压缩:" + media.isCompressed());
                                    Log.i(TAG, "压缩:" + media.getCompressPath());
                                    Log.i(TAG, "初始路径:" + media.getPath());
                                    Log.i(TAG, "绝对路径:" + media.getRealPath());
                                    Log.i(TAG, "是否裁剪:" + media.isCut());
                                    Log.i(TAG, "裁剪路径:" + media.getCutPath());
                                    Log.i(TAG, "是否开启原图:" + media.isOriginal());
                                    Log.i(TAG, "原图路径:" + media.getOriginalPath());
                                    Log.i(TAG, "沙盒路径:" + media.getSandboxPath());
                                    Log.i(TAG, "水印路径:" + media.getWatermarkPath());
                                    Log.i(TAG, "视频缩略图:" + media.getVideoThumbnailPath());
                                    Log.i(TAG, "原始宽高: " + media.getWidth() + "x" + media.getHeight());
                                    Log.i(TAG, "裁剪宽高: " + media.getCropImageWidth() + "x" + media.getCropImageHeight());
                                    Log.i(TAG, "文件大小: " + PictureFileUtils.formatAccurateUnitFileSize(media.getSize()));
                                    Log.i(TAG, "文件时长: " + media.getDuration());
                                }

                            }

                            @Override
                            public void onCancel() {

                            }
                        });
            }
        });
        adapter.setOnChildClickListener(R.id.iv_delete, new BaseRVAdapter.OnChildClickListener() {
            @Override
            public void onChildClick(RecyclerView recyclerView, View childView, int position) {
                if (viewModel.getListLiveData().getValue()!=null){
                    for (BannerBean bannerBean : viewModel.getListLiveData().getValue()) {
                        if (bannerBean.getUrl().equals(adapter.getItem(position))){
                            viewModel.delete(bannerBean.getId()+"");
                            break;
                        }
                    }
                }
            }
        });
        binding.rvImage.setAdapter(adapter);

        viewModel.setType(true);
        binding.ivOperate.setVisibility(View.GONE);
        binding.ivOperate.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                viewModel.setType(Boolean.FALSE.equals(viewModel.getTypeLiveData().getValue()));
            }
        });
    }

    @Override
    public void initData() {

    }

    @Override
    public void initLiveDataObserve() {
        viewModel.getListLiveData().observe(this, new Observer<List<BannerBean>>() {
            @Override
            public void onChanged(List<BannerBean> bannerBeans) {
                if (bannerBeans == null) return;
                List<String> list = new ArrayList<>();
                List<String> chooseList = new ArrayList<>();
                for (BannerBean bean : bannerBeans) {
                    list.add(bean.getUrl());
                    if (bean.getChoose() == 1) {
                        chooseList.add(bean.getUrl());
                    }
                }
                adapter.setData(list);
                adapter.addSelectedItems(chooseList);
            }
        });

        viewModel.getTypeLiveData().observe(this, new Observer<Boolean>() {
            @Override
            public void onChanged(Boolean aBoolean) {
                adapter.setShowAddItem(aBoolean);
                adapter.setShowDeleteIcon(aBoolean);
                adapter.setPreview(!aBoolean);
                binding.ivOperate.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        viewModel.setType(!aBoolean);
                    }
                });
            }
        });
    }

    @Override
    protected void dialogLoading() {
        if (mWaitDialog == null) {
            mWaitDialog = new WaitDialog.Builder(this)
                    // 消息文本可以不用填写
                    .setMessage("正在上传")
                    .create();
        }
        if (!mWaitDialog.isShowing()) {
            mWaitDialog.show();
        }
    }

    @Override
    protected void dialogDismiss() {
        if (mWaitDialog != null && mWaitDialog.isShowing()) {
            mWaitDialog.dismiss();
            mWaitDialog = null;
        }
    }


    @Override
    public void onLeftClick(TitleBar titleBar) {
        finish();
    }

    /**
     * 自定义裁剪
     */
    private class ImageFileCropEngine implements CropFileEngine {

        @Override
        public void onStartCrop(Fragment fragment, Uri srcUri, Uri destinationUri, ArrayList<String> dataSource, int requestCode) {
            UCrop.Options options = buildOptions();
            UCrop uCrop = UCrop.of(srcUri, destinationUri, dataSource);
            uCrop.withOptions(options);
            uCrop.setImageEngine(new UCropImageEngine() {
                @Override
                public void loadImage(Context context, String url, ImageView imageView) {
                    Glide.with(context).load(url).override(180, 180).into(imageView);
                }

                @Override
                public void loadImage(Context context, Uri url, int maxWidth, int maxHeight, OnCallbackListener<Bitmap> call) {
                    Glide.with(context).asBitmap().load(url).override(maxWidth, maxHeight).into(new CustomTarget<Bitmap>() {
                        @Override
                        public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
                            if (call != null) {
                                call.onCall(resource);
                            }
                        }

                        @Override
                        public void onLoadCleared(@Nullable Drawable placeholder) {
                            if (call != null) {
                                call.onCall(null);
                            }
                        }
                    });
                }
            });
            uCrop.start(fragment.requireActivity(), fragment, requestCode);
        }
    }
    /**
     * 配制UCrop，可根据需求自我扩展
     *
     * @return
     */
    private UCrop.Options buildOptions() {
        PictureSelectorStyle selectorStyle = new PictureSelectorStyle();

        UCrop.Options options = new UCrop.Options();
        options.setHideBottomControls(true);//是否显示底部裁剪菜单栏
        options.setFreeStyleCropEnabled(false);//裁剪框or图片拖动
        options.setShowCropFrame(true);//是否显示裁剪边框
        options.setShowCropGrid(true);//是否显示裁剪网格线
        options.setCircleDimmedLayer(false);//是否圆形裁剪
        options.withAspectRatio(16, 9);//裁剪比例
        options.setAspectRatioOptions(0,
                new AspectRatio("16:9", 16, 9),
                new AspectRatio("3:2", 3, 2),
                new AspectRatio("4:3", 4, 3),
                new AspectRatio("1:1", 1, 1));//自选裁剪比例，受setHideBottomControls影响可见
        options.setCropOutputPathDir(getSandboxPath());//裁剪输出路径
        options.isCropDragSmoothToCenter(false);//裁剪拖动是否自动居中
        options.isForbidSkipMultipleCrop(true);//是否多图裁剪时禁止跳过
        options.setMaxScaleMultiplier(100);//设置最大缩放比例
        if (selectorStyle != null && selectorStyle.getSelectMainStyle().getStatusBarColor() != 0) {
            SelectMainStyle mainStyle = selectorStyle.getSelectMainStyle();
            boolean isDarkStatusBarBlack = mainStyle.isDarkStatusBarBlack();
            int statusBarColor = mainStyle.getStatusBarColor();
            options.isDarkStatusBarBlack(isDarkStatusBarBlack);
            if (StyleUtils.checkStyleValidity(statusBarColor)) {
                options.setStatusBarColor(statusBarColor);
                options.setToolbarColor(statusBarColor);
            } else {
                options.setStatusBarColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_grey));
                options.setToolbarColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_grey));
            }
            TitleBarStyle titleBarStyle = selectorStyle.getTitleBarStyle();
            if (StyleUtils.checkStyleValidity(titleBarStyle.getTitleTextColor())) {
                options.setToolbarWidgetColor(titleBarStyle.getTitleTextColor());
            } else {
                options.setToolbarWidgetColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_white));
            }
        } else {
            options.setStatusBarColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_grey));
            options.setToolbarColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_grey));
            options.setToolbarWidgetColor(ContextCompat.getColor(getSelfActivity(), com.luck.picture.lib.R.color.ps_color_white));
        }
        return options;
    }

    /**
     * 创建自定义输出目录
     *
     * @return
     */
    private String getSandboxPath() {
        File externalFilesDir = getSelfActivity().getExternalFilesDir("");
        File customFile = new File(externalFilesDir.getAbsolutePath(), "Sandbox");
        if (!customFile.exists()) {
            customFile.mkdirs();
        }
        return customFile.getAbsolutePath() + File.separator;
    }
}