package com.future.driver.utils;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.net.Uri;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.util.Log;
import android.widget.ImageView;

import com.facebook.common.executors.CallerThreadExecutor;
import com.facebook.common.references.CloseableReference;
import com.facebook.common.util.UriUtil;
import com.facebook.datasource.DataSource;
import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.drawee.controller.AbstractDraweeController;
import com.facebook.drawee.interfaces.DraweeController;
import com.facebook.drawee.view.SimpleDraweeView;
import com.facebook.imagepipeline.core.ImagePipeline;
import com.facebook.imagepipeline.datasource.BaseBitmapDataSubscriber;
import com.facebook.imagepipeline.image.CloseableImage;
import com.facebook.imagepipeline.postprocessors.IterativeBoxBlurPostProcessor;
import com.facebook.imagepipeline.request.ImageRequest;
import com.facebook.imagepipeline.request.ImageRequestBuilder;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import cn.sinata.xldutils.utils.Base64;

/**
 * Created by Administrator on 2018/1/23.
 */

public class ImageUtils {

    //加载本地图片
    public static void loadDrawable(SimpleDraweeView draweeView, int resId) {
        Uri uri = new Uri.Builder()
                .scheme(UriUtil.LOCAL_RESOURCE_SCHEME)
                .path(String.valueOf(resId))
                .build();
        DraweeController controller = Fresco.newDraweeControllerBuilder()
                .setUri(uri)
                .setOldController(draweeView.getController())
                .build();
        draweeView.setController(controller);
    }

    public static void loadUri(ImageView draweeView, Uri uri) {
        draweeView.setImageURI(uri);
    }

    public static void loadUri(SimpleDraweeView draweeView, String uri) {
        DraweeController controller = Fresco.newDraweeControllerBuilder()
                .setUri(uri)
                .setAutoPlayAnimations(true)
                .build();
        draweeView.setController(controller);
//        draweeView.setImageURI(uri);
    }

    /**
     * 将图片转换成Base64编码的字符串
     *
     * @param path 图片本地路径
     * @return base64编码的字符串
     */
    public static String imageToBase64(String path) {
        if (TextUtils.isEmpty(path)) {
            return null;
        }
        InputStream is = null;
        byte[] data;
        String result = null;
        try {
            is = new FileInputStream(path);
            //创建一个字符流大小的数组。
            data = new byte[is.available()];
            //写入数组
            is.read(data);
            //用默认的编码格式进行编码
            result = Base64.encodeToString(data, Base64.DEFAULT);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (null != is) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }


    /**
     * 以高斯模糊显示。
     *
     * @param draweeView View。
     * @param url        url.
     * @param iterations 迭代次数，越大越魔化。
     * @param blurRadius 模糊图半径，必须大于0，越大越模糊。
     */
    public static void showUrlBlur(SimpleDraweeView draweeView, String url, int iterations, int blurRadius) {
        try {
            Uri uri = Uri.parse(url);
            ImageRequest request = ImageRequestBuilder.newBuilderWithSource(uri)
                    .setPostprocessor(new IterativeBoxBlurPostProcessor(iterations, blurRadius))
                    .build();
            AbstractDraweeController controller = Fresco.newDraweeControllerBuilder()
                    .setOldController(draweeView.getController())
                    .setImageRequest(request)
                    .build();
            draweeView.setController(controller);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    /**
     * 加载图片成bitmap。
     *
     * @param imageUrl 图片地址。
     */
    public static void loadToBitmap(String imageUrl, BaseBitmapDataSubscriber mDataSubscriber, Context context) {
        ImageRequest imageRequest = ImageRequestBuilder
                .newBuilderWithSource(Uri.parse(imageUrl))
                .setProgressiveRenderingEnabled(true)
                .build();

        ImagePipeline imagePipeline = Fresco.getImagePipeline();
        DataSource<CloseableReference<CloseableImage>> dataSource = imagePipeline.fetchDecodedImage
                (imageRequest, context);
        dataSource.subscribe(mDataSubscriber, CallerThreadExecutor.getInstance());
    }


    /**
     * 转换为bitmap
     *
     * @param activity
     * @param uri
     * @return
     */
    public static Bitmap getBitmapFromUri(Activity activity, Uri uri) {
        try {
            // 读取uri所在的图片
            Bitmap bitmap = MediaStore.Images.Media.getBitmap(activity.getContentResolver(), uri);
            return bitmap;
        } catch (Exception e) {
            Log.e("[Android]", e.getMessage());
            Log.e("[Android]", "目录为：" + uri);
            e.printStackTrace();
            return null;
        }
    }

    public static Uri getUriforBitmap(Activity activity, Bitmap bitmap) {
        try {
            // 读取uri所在的图片
            Uri uri = Uri.parse(MediaStore.Images.Media.insertImage(activity.getContentResolver(), bitmap, null, null));
            return uri;
        } catch (Exception e) {
            Log.e("[Android]", e.getMessage());
            e.printStackTrace();
            return null;
        }

    }
}