package com.gh.gamecenter;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.Animatable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.support.v4.content.ContextCompat;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.facebook.common.executors.CallerThreadExecutor;
import com.facebook.common.references.CloseableReference;
import com.facebook.datasource.DataSource;
import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.controller.BaseControllerListener;
import com.facebook.drawee.drawable.ScalingUtils;
import com.facebook.drawee.interfaces.DraweeController;
import com.facebook.imagepipeline.core.ImagePipeline;
import com.facebook.imagepipeline.datasource.BaseBitmapDataSubscriber;
import com.facebook.imagepipeline.image.CloseableImage;
import com.facebook.imagepipeline.image.ImageInfo;
import com.facebook.imagepipeline.request.ImageRequest;
import com.facebook.imagepipeline.request.ImageRequestBuilder;
import com.gc.materialdesign.views.ProgressBarCircularIndeterminate;
import com.gh.base.AppController;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.EntranceUtils;
import com.gh.common.util.ImageUtils;
import com.gh.common.util.MessageShareUtils;
import com.gh.common.util.Utils;
import com.gh.common.view.Gh_RelativeLayout;
import com.gh.common.view.Gh_RelativeLayout.OnSingleTapListener;
import com.gh.common.view.Gh_ViewPager;
import com.gh.common.view.ZoomSimpleDraweeView;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import butterknife.BindView;


/**
 * 查看游戏截图页面
 *
 * @author 黄壮华
 */
//TODO 处理这里activity到统一主题
public class ViewImageActivity extends Activity implements OnPageChangeListener {

    @BindView(R.id.viewimage_vp_show)
    Gh_ViewPager viewimage_vp_show;
    @BindView(R.id.viewimage_slide_line)
    View viewimage_slide_line;

    private ViewImageAdapter adapter;
    private RelativeLayout.LayoutParams rparams;

    private ArrayList<String> urls;
    private Map<Integer, String> newUrls;

    private String scaleType;

    private int width;

    private boolean isOrientation;

    private ImagePipeline imagePipeline;

    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            notifyItemChanged(msg.arg1);
        }
    };

    public static Intent getViewImageIntent(Context context, ArrayList<String> list, int position, String entrance) {
        Intent checkIntent = new Intent(context, ViewImageActivity.class);
        checkIntent.putExtra("urls", list);
        checkIntent.putExtra("current", position);
        checkIntent.putExtra("ScaleType", "FIT_CENTER");
        checkIntent.putExtra(EntranceUtils.KEY_ENTRANCE, entrance);
        return checkIntent;
    }

    private void notifyItemChanged(int position) {
        Object object = viewimage_vp_show.findViewWithTag(position);
        if (object != null) {
            RelativeLayout view = (RelativeLayout) object;
            final ZoomSimpleDraweeView imageView = (ZoomSimpleDraweeView) view.findViewById(R.id.viewimage_iv_show);
            final ProgressBarCircularIndeterminate progressBar = (ProgressBarCircularIndeterminate) view.findViewById(R.id.viewimage_pb_loading);
            progressBar.setVisibility(View.VISIBLE);
            ImageUtils.getInstance().display(imageView, newUrls.get(position), urls.get(position),
                    new BaseControllerListener<ImageInfo>() {
                        @Override
                        public void onFinalImageSet(String id, ImageInfo imageInfo, Animatable animatable) {
                            progressBar.setVisibility(View.GONE);
//                            if (imageInfo == null){
//                                return;
//                            }
//                            ImageInfo imageInfo1 = (ImageInfo) imageInfo;
//                            int height = imageInfo1.getHeight();
//                            int width = imageInfo1.getWidth();
//                            float index = (float) height / (float) width;
//                            imageView.setImagePro(index);
                        }
                    });
        }
    }

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

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        urls = getIntent().getStringArrayListExtra("urls");
        int current = getIntent().getIntExtra("current", 0);
        scaleType = getIntent().getStringExtra("ScaleType");
        if (getIntent().getBundleExtra("data") != null) {
            urls = getIntent().getBundleExtra("data").getStringArrayList("urls");
            current = getIntent().getBundleExtra("data").getInt("current", 0);
            scaleType = getIntent().getBundleExtra("data").getString("ScaleType");
        }

        if (savedInstanceState != null) {
            current = savedInstanceState.getInt("currentItem", 0);
            isOrientation = savedInstanceState.getBoolean("isOrientation");
        }

        setContentView(R.layout.activity_viewimage);

        imagePipeline = Fresco.getImagePipeline();

        DisplayMetrics outMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
        width = outMetrics.widthPixels / urls.size();

        rparams = new RelativeLayout.LayoutParams(width, DisplayUtils.dip2px(getApplicationContext(), 1));
        rparams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
        rparams.bottomMargin = DisplayUtils.dip2px(getApplicationContext(), 10);
        rparams.leftMargin = width * current;
        viewimage_slide_line = findViewById(R.id.viewimage_slide_line);
        viewimage_slide_line.setLayoutParams(rparams);

        viewimage_vp_show = (Gh_ViewPager) findViewById(R.id.viewimage_vp_show);
        adapter = new ViewImageAdapter();
        viewimage_vp_show.setAdapter(adapter);
        viewimage_vp_show.setCurrentItem(current);
        viewimage_vp_show.addOnPageChangeListener(this);

        if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
            isOrientation = true; // 横屏
        } else if (this.getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
            isOrientation = false;// 竖屏
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt("currentItem", viewimage_vp_show.getCurrentItem());
        outState.putBoolean("isOrientation", isOrientation);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        viewimage_vp_show.onDestory(); // 注销EventBus
        handler.removeCallbacksAndMessages(null);
    }

    @Override
    public void onPageScrolled(int position, float positionOffset,
                               int positionOffsetPixels) {
        if (positionOffset != 0) {
            rparams.leftMargin = (int) (width * (positionOffset + position));
            viewimage_slide_line.setLayoutParams(rparams);
        }
    }

    @Override
    public void onPageSelected(int position) {
        Gh_RelativeLayout ghRelativeLayout;
        for (int i = 0; i < viewimage_vp_show.getChildCount(); i++) {
            if (viewimage_vp_show.getChildAt(i).getTag() != null) {
                ghRelativeLayout = (Gh_RelativeLayout) viewimage_vp_show.getChildAt(i);
                if (ghRelativeLayout == null) {
                    return;
                }
                ZoomSimpleDraweeView zoomDraweeView = (ZoomSimpleDraweeView) ghRelativeLayout.findViewById(R.id.viewimage_iv_show);
                zoomDraweeView.reset(); // 重置矩阵，还原图片
            }
        }
    }

    @Override
    public void onPageScrollStateChanged(int newState) {

    }

    private void checkUrl(final String url, final ZoomSimpleDraweeView imageView) {
        newUrls = new HashMap<>();
        AppController.MAIN_EXECUTOR.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    String newUrl = "http://image.ghzs666.com/pic/hq" + url.substring(url.lastIndexOf("/"));
                    HttpURLConnection connection = (HttpURLConnection) new URL(newUrl).openConnection();
                    connection.setRequestMethod("GET");
                    connection.setConnectTimeout(5 * 1000);
                    connection.setReadTimeout(5 * 1000);
                    connection.connect();
                    int code = connection.getResponseCode();
                    if (code == 200 && urls != null) {
                        for (int i = 0, size = urls.size(); i < size; i++) {
                            if (urls.get(i).equals(url)) {
                                newUrls.put(i, newUrl);
                                Message msg = new Message();
                                msg.arg1 = i;
                                handler.sendMessage(msg);
                                break;
                            }
                        }
                    } else {
                        //没有高清图时
                        handler.post(new Runnable() {
                            @Override
                            public void run() {
                                loadImage(url, imageView);
                            }
                        });
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    private void loadImage(String url, final ZoomSimpleDraweeView imageView) {


        if (url.contains(".gif")) {
            DraweeController controller = Fresco.newDraweeControllerBuilder()
                    .setUri(url)
                    .setAutoPlayAnimations(true)
                    .build();
            imageView.setController(controller);
        } else {
//            imageView.setImageURI(url);
            ImageUtils.display(imageView, url);
//            ImageUtils.getInstance(getApplicationContext()).display(url, imageView, new BaseControllerListener(){
//                @Override
//                public void onFinalImageSet(String id, Object imageInfo, Animatable animatable) {
//                    super.onFinalImageSet(id, imageInfo, animatable);
//                    if (imageInfo == null){
//                        return;
//                    }
//                    ImageInfo imageInfo1 = (ImageInfo) imageInfo;
//                    int height = imageInfo1.getHeight();
//                    int width = imageInfo1.getWidth();
//                    float index = (float) height / (float) width;
//                    imageView.setImagePro(index);
//                }
//            });
        }

    }

    private class ViewImageAdapter extends PagerAdapter implements OnSingleTapListener {

        @Override
        public int getCount() {
            if (urls == null) {
                return 0;
            }
            return urls.size();
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            String url = urls.get(position);

            Gh_RelativeLayout view = (Gh_RelativeLayout) View.inflate(container.getContext(),
                    R.layout.viewimage_normal_item, null);
            ZoomSimpleDraweeView imageView = (ZoomSimpleDraweeView) view.findViewById(R.id.viewimage_iv_show);

            if (scaleType != null || isOrientation) {
                imageView.getHierarchy().setActualImageScaleType(ScalingUtils.ScaleType.FIT_CENTER);
            }
            if (!url.startsWith("http://image.ghzs666.com/pic/hq/") && url.startsWith("http://image.ghzs666.com/pic/")) {
                String hqUrl = "http://image.ghzs666.com/pic/hq" + url.substring(url.lastIndexOf("/"));
                if (imagePipeline.isInBitmapMemoryCache(Uri.parse(hqUrl))) { // 检查高清图是否被缓存
                    loadImage(hqUrl, imageView);
                } else {
                    checkUrl(url, imageView);
                }
            } else {
                loadImage(url, imageView);
            }

            //单点退出
            imageView.setOnSingleClickListener(new ZoomSimpleDraweeView.setOnSingleClickListener() {
                @Override
                public void onClick() {
                    finish();
                }
            });

            //长按
            imageView.setOnLongClickListener(new ZoomSimpleDraweeView.setOnLongClickListener() {
                @Override
                public void onLongClick() {
                    final Dialog dialog = new Dialog(ViewImageActivity.this);

                    LinearLayout container = new LinearLayout(ViewImageActivity.this);
                    container.setOrientation(LinearLayout.VERTICAL);
                    container.setBackgroundColor(Color.WHITE);

                    final TextView reportTv = new TextView(ViewImageActivity.this);
                    reportTv.setPadding(DisplayUtils.dip2px(ViewImageActivity.this, 20), DisplayUtils.dip2px(ViewImageActivity.this, 12),
                            0, DisplayUtils.dip2px(ViewImageActivity.this, 12));
                    reportTv.setText("保存图片");
                    reportTv.setTextSize(17);
                    reportTv.setTextColor(ContextCompat.getColor(getApplicationContext(), R.color.title));
                    reportTv.setBackgroundResource(R.drawable.textview_white_style);
                    int widthPixels = getResources().getDisplayMetrics().widthPixels;
                    reportTv.setLayoutParams(new LinearLayout.LayoutParams((widthPixels * 9) / 10,
                            LinearLayout.LayoutParams.WRAP_CONTENT));
                    container.addView(reportTv);

                    dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
                    dialog.setContentView(container);
                    dialog.show();

                    reportTv.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            findImageBM();
                            dialog.cancel();
                        }
                    });
                }
            });

            view.setTag(position);
            container.addView(view);
            return view;
        }

        private void findImageBM() {
            String key = urls.get(viewimage_vp_show.getCurrentItem());
            String hdKey = "http://image.ghzs666.com/pic/hq" + key.substring(key.lastIndexOf("/"));
            ImagePipeline imagePipeline = Fresco.getImagePipeline();
            String curUrl;

            if (imagePipeline.isInBitmapMemoryCache(Uri.parse(hdKey))) {
                curUrl = hdKey;
            } else if (imagePipeline.isInBitmapMemoryCache(Uri.parse(key))) {
                curUrl = key;
            } else {
                return;
            }

            ImageRequest imageRequest = ImageRequestBuilder
                    .newBuilderWithSource(Uri.parse(key))
                    .setProgressiveRenderingEnabled(true)
                    .build();

            DataSource<CloseableReference<CloseableImage>>
                    dataSource = imagePipeline.fetchDecodedImage(imageRequest, ViewImageActivity.this);
            final String finalCurUrl = curUrl;
            dataSource.subscribe(new BaseBitmapDataSubscriber() {
                @Override
                protected void onNewResultImpl(Bitmap bitmap) {
                    saveImage(bitmap, finalCurUrl);
                }

                @Override
                protected void onFailureImpl(DataSource<CloseableReference<CloseableImage>> dataSource) {

                }
            }, CallerThreadExecutor.getInstance());
        }

        private void saveImage(Bitmap bitmap, String curUrl) {

            String fileName = curUrl.substring(curUrl.lastIndexOf("/"));
            String savePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Pictures/ghzhushou/";

            try {
                File file = new File(savePath);
                if (!file.exists()) {
                    file.mkdirs();
                }

                File f = new File(savePath, fileName);
                if (f.exists()) {
                    f.delete();
                }

                FileOutputStream out = new FileOutputStream(f);
                bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
                out.flush();
                out.close();
                Utils.log("========保存成功");
                Utils.toast(ViewImageActivity.this, "图片已保存到/Pictures/ghzhushou/");
                MessageShareUtils.refreshImage(new File(savePath), ViewImageActivity.this);
            } catch (IOException e) {
                Utils.log("========保存失败" + e.toString());
                System.out.println(e);
            }
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
            object = null;
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view == object;
        }

        @Override
        public void onSingleTap() {
            finish();
        }

    }
}