package net.micode.notes.ui;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.icu.util.Calendar;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import com.yalantis.ucrop.UCrop;

import net.micode.notes.R;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

public class UCropPictureActivity extends AppCompatActivity {

    Button btnTest;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btnTest = (Button) findViewById(R.id.btn_test);
        /*
        btnTest.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                try {
                    startCrop();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
            }
        });*/
        try {
            startCrop();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        finish();
    }

    //维护
    public static String FileSaveToInside(Context context, String fileName, Bitmap bitmap) {
        FileOutputStream fos = null;
        String path = null;
        try {
            //设置路径 /Android/data/com.panyko.filesave/Pictures/
            File folder = context.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
            //判断目录是否存在
            //目录不存在时自动创建
            if (folder.exists() ||folder.mkdir()) {
                File file = new File(folder, fileName);
                fos = new FileOutputStream(file);
                //写入文件
                bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
                fos.flush();
                path = file.getAbsolutePath();
            }
        } catch (Exception e) {
            e.printStackTrace();

        } finally {
            try {
                if (fos != null) {
                    //关闭流
                    fos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }

        }
        //返回路径
        return path;
    }

    private void startCrop() throws FileNotFoundException {

        //Uri sourceUri = Uri.parse("http://star.xiziwang.net/uploads/allimg/140512/19_140512150412_1.jpg");
        //裁剪后保存到文件中
        Uri sourceUri = Uri.fromFile(new File(getCacheDir(), "123.jpeg"));
        Uri destinationUri = Uri.fromFile(new File(getCacheDir(), "SampleCropImage.jpeg"));
        UCrop.of(sourceUri, destinationUri).withAspectRatio(9, 16).withMaxResultSize(2000, 2500).start(this);

        Bitmap bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(destinationUri));


        String save=FileSaveToInside(this,"1234",bitmap);

        SharedPreferences sharedPreferences=getSharedPreferences("data1", Context.MODE_WORLD_WRITEABLE);//xml
        SharedPreferences.Editor editor=sharedPreferences.edit();

        editor.putString("PERSONAL_URI",save);

        editor.putInt("DEFAULT",0);

        editor.commit();
        finish();
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) {
            //裁切成功
            if (requestCode == UCrop.REQUEST_CROP) {
                Uri croppedFileUri = UCrop.getOutput(data);
                //获取默认的下载目录
                String downloadsDirectoryPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath();
                @SuppressLint({"NewApi", "LocalSuppress"}) String filename = String.format("%d_%s", Calendar.getInstance().getTimeInMillis(), croppedFileUri.getLastPathSegment());
                File saveFile = new File(downloadsDirectoryPath, filename);
                //保存下载的图片
                FileInputStream inStream = null;
                FileOutputStream outStream = null;
                FileChannel inChannel = null;
                FileChannel outChannel = null;
                try {
                    inStream = new FileInputStream(new File(croppedFileUri.getPath()));
                    outStream = new FileOutputStream(saveFile);
                    inChannel = inStream.getChannel();
                    outChannel = outStream.getChannel();
                    inChannel.transferTo(0, inChannel.size(), outChannel);
                    Toast.makeText(this, "裁切后的图片保存在：" + saveFile.getAbsolutePath(), Toast.LENGTH_SHORT).show();
                } catch (Exception e) {
                    e.printStackTrace();
                } finally {
                    try {
                        outChannel.close();
                        outStream.close();
                        inChannel.close();
                        inStream.close();
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        }
        //裁切失败
        if (resultCode == UCrop.RESULT_ERROR) {
            Toast.makeText(this, "裁切图片失败", Toast.LENGTH_SHORT).show();
        }
    }


    // 专为Android4.4设计的从Uri获取文件绝对路径，以前的方法已不好使
    @SuppressLint("NewApi")
    public static String getPathByUri4kitkat(final Context context, final Uri uri) {
        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            if (isExternalStorageDocument(uri)) {// ExternalStorageProvider
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            } else if (isDownloadsDocument(uri)) {// DownloadsProvider
                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                        Long.valueOf(id));
                return getDataColumn(context, contentUri, null, null);
            } else if (isMediaDocument(uri)) {// MediaProvider
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];
                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }
                final String selection = "_id=?";
                final String[] selectionArgs = new String[] { split[1] };
                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        } else if ("content".equalsIgnoreCase(uri.getScheme())) {// MediaStore
            // (and
            // general)
            return getDataColumn(context, uri, null, null);
        } else if ("file".equalsIgnoreCase(uri.getScheme())) {// File
            return uri.getPath();
        }
        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context
     *            The context.
     * @param uri
     *            The Uri to query.
     * @param selection
     *            (Optional) Filter used in the query.
     * @param selectionArgs
     *            (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = { column };
        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri
     *            The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

}