package com.uiui.zyos.utils;

import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.util.Log;
import android.webkit.MimeTypeMap;

import androidx.annotation.RequiresApi;
import androidx.core.content.FileProvider;

import com.uiui.zyos.BuildConfig;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Locale;

public class OpenFileUtil {
    private static final String TAG = "OpenFileUtil";

    public static void openFile(Context context, String filePath) {
        File file = new File(filePath);
        openFile(context, file);
    }

    public static void openFile(Context context, File file) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        //intent.addCategory(Intent.CATEGORY_DEFAULT);
        Uri uriForFile;
        if (Build.VERSION.SDK_INT > 23) {
            //Android 7.0之后
            uriForFile = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".FileProvider", file);
            intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);//给目标文件临时授权
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//给目标文件临时授权
            intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
        } else {
            uriForFile = Uri.fromFile(file);
        }
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//系统会检查当前所有已创建的Task中是否有该要启动的Activity的Task;
        // 若有，则在该Task上创建Activity；若没有则新建具有该Activity属性的Task，并在该新建的Task上创建Activity。
        intent.setDataAndType(uriForFile, getMimeTypeFromFile(file));
        context.startActivity(intent);
    }

    /**
     * 使用自定义方法获得文件的MIME类型
     */
    private static String getMimeTypeFromFile(File file) {
        String type = "*/*";
        String fName = file.getName();
        //获取后缀名前的分隔符"."在fName中的位置。
        int dotIndex = fName.lastIndexOf(".");
        if (dotIndex > 0) {
            //获取文件的后缀名
            String end = fName.substring(dotIndex, fName.length()).toLowerCase(Locale.getDefault());
            //在MIME和文件类型的匹配表中找到对应的MIME类型。
            HashMap<String, String> map = MyMimeMap.getMimeMap();
            if (!TextUtils.isEmpty(end) && map.keySet().contains(end)) {
                type = map.get(end);
            }
        }
        Log.e(TAG, "getMimeTypeFromFile: " + type);
        Log.e(TAG, "getMimeType: " + getMimeType(file.getAbsolutePath()));
        return type;
    }

    private static String getMimeType(String filePath) {
        String type = "*/*";
        try {
            FileInputStream inputFile = new FileInputStream(filePath);
            type = URLConnection.guessContentTypeFromStream(new BufferedInputStream(inputFile));
            return type;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return type;
    }

    public static class MyMimeMap {
        private static final HashMap<String, String> mapSimple = new HashMap<>();

        /**
         * 常用"文件扩展名—MIME类型"匹配表。
         * 注意，此表并不全，也并不是唯一的，就像有人喜欢用浏览器打开TXT一样，你可以根据自己的爱好自定义。
         */
        public static HashMap<String, String> getMimeMap() {
            if (mapSimple.size() == 0) {
                mapSimple.put("", "*/*");
                mapSimple.put(".3gp", "video/3gpp");
                mapSimple.put(".apk", "application/vnd.android.package-archive");
                mapSimple.put(".asf", "video/x-ms-asf");
                mapSimple.put(".avi", "video/x-msvideo");
                mapSimple.put(".bin", "application/octet-stream");
                mapSimple.put(".bmp", "image/bmp");
                mapSimple.put(".c", "text/plain");
                mapSimple.put(".chm", "application/x-chm");
                mapSimple.put(".class", "application/octet-stream");
                mapSimple.put(".conf", "text/plain");
                mapSimple.put(".cpp", "text/plain");
                mapSimple.put(".doc", "application/msword");
                mapSimple.put(".docx", "application/msword");
                mapSimple.put(".exe", "application/octet-stream");
                mapSimple.put(".gif", "image/gif");
                mapSimple.put(".gtar", "application/x-gtar");
                mapSimple.put(".gz", "application/x-gzip");
                mapSimple.put(".h", "text/plain");
                mapSimple.put(".htm", "text/html");
                mapSimple.put(".html", "text/html");
                mapSimple.put(".jar", "application/java-archive");
                mapSimple.put(".java", "text/plain");
                mapSimple.put(".jpeg", "image/jpeg");
                mapSimple.put(".jpg", "image/jpeg");
                mapSimple.put(".js", "application/x-javascript");
                mapSimple.put(".log", "text/plain");
                mapSimple.put(".m3u", "audio/x-mpegurl");
                mapSimple.put(".m4a", "audio/mp4a-latm");
                mapSimple.put(".m4b", "audio/mp4a-latm");
                mapSimple.put(".m4p", "audio/mp4a-latm");
                mapSimple.put(".m4u", "video/vnd.mpegurl");
                mapSimple.put(".m4v", "video/x-m4v");
                mapSimple.put(".mov", "video/quicktime");
                mapSimple.put(".mp2", "audio/x-mpeg");
                mapSimple.put(".mp3", "audio/x-mpeg");
                mapSimple.put(".mp4", "video/mp4");
                mapSimple.put(".mpc", "application/vnd.mpohun.certificate");
                mapSimple.put(".mpe", "video/mpeg");
                mapSimple.put(".mpeg", "video/mpeg");
                mapSimple.put(".mpg", "video/mpeg");
                mapSimple.put(".mpg4", "video/mp4");
                mapSimple.put(".mpga", "audio/mpeg");
                mapSimple.put(".msg", "application/vnd.ms-outlook");
                mapSimple.put(".ogg", "audio/ogg");
                mapSimple.put(".pdf", "application/pdf");
                mapSimple.put(".png", "image/png");
                mapSimple.put(".pps", "application/vnd.ms-powerpoint");
                mapSimple.put(".ppt", "application/vnd.ms-powerpoint");
                mapSimple.put(".pptx", "application/vnd.ms-powerpoint");
                mapSimple.put(".prop", "text/plain");
                mapSimple.put(".rar", "application/x-rar-compressed");
                mapSimple.put(".rc", "text/plain");
                mapSimple.put(".rmvb", "audio/x-pn-realaudio");
                mapSimple.put(".rtf", "application/rtf");
                mapSimple.put(".sh", "text/plain");
                mapSimple.put(".tar", "application/x-tar");
                mapSimple.put(".tgz", "application/x-compressed");
                mapSimple.put(".txt", "text/plain");
                mapSimple.put(".wav", "audio/x-wav");
                mapSimple.put(".wma", "audio/x-ms-wma");
                mapSimple.put(".wmv", "audio/x-ms-wmv");
                mapSimple.put(".wps", "application/vnd.ms-works");
                mapSimple.put(".xml", "text/plain");
                mapSimple.put(".xls", "application/vnd.ms-excel");
                mapSimple.put(".xlsx", "application/vnd.ms-excel");
                mapSimple.put(".z", "application/x-compress");
                mapSimple.put(".zip", "application/zip");
            }
            return mapSimple;
        }
    }


    public static String getFileExtension(String fileName) {
        int dotIndex = fileName.lastIndexOf('.');
        if (dotIndex < 0) {
            return "";
        }
        return fileName.substring(dotIndex + 1);
    }

    // Android获取一个用于打开PDF文件的intent
    public static Intent getPdfFileIntent(Context context, String path) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        File file = new File(path);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_PREFIX_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
            Uri uri = FileProvider.getUriForFile(context, "com.video.stos.FileProvider", file);
            intent.setDataAndType(uri, "application/pdf");
        } else {
            intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");
        }
        return intent;
    }

    public static final String DOWNLOAD_URI = "content://com.android.externalstorage.documents/document/primary:Download/";

    // Android获取一个用于打开Word文件的intent
    public static Intent getWordFileIntent(Context context, File file) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        Uri uriForFile;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            //Android 7.0之后
//            uriForFile = FileProvider.getUriForFile(context, "com.video.stos.FileProvider", file);
            uriForFile = getFileUri(context, file.getAbsolutePath());
//            intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);//给目标文件临时授权
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);//给目标文件临时授权
            intent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
//            intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
        } else {
            uriForFile = Uri.fromFile(file);
        }
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//系统会检查当前所有已创建的Task中是否有该要启动的Activity的Task;
        Log.e("lhl", "uri+" + uriForFile + "");
        //Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uriForFile, "application/pdf");
        return intent;
    }

    @RequiresApi(api = Build.VERSION_CODES.Q)
    public static Uri getFileUri(Context context, String filePath) {
        Log.e("getFileUri", "getFileUri: " + MediaStore.Downloads.EXTERNAL_CONTENT_URI);
        Cursor cursor = context.getContentResolver().query(MediaStore.Downloads.EXTERNAL_CONTENT_URI,
                new String[]{MediaStore.Downloads._ID}, MediaStore.Downloads.DATA + "=? ",
                new String[]{filePath}, null);
        if (cursor != null && cursor.moveToFirst()) {
            int id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.MediaColumns._ID));
            Uri baseUri = Uri.parse("content://media/external/downloads");
            return Uri.withAppendedPath(baseUri, "" + id);
        } else {
            ContentValues values = new ContentValues();
            values.put(MediaStore.Downloads.DATA, filePath);
            return context.getContentResolver().insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values);
        }
    }
}