/**
 *
 * (c) Copyright Ascensio System SIA 2021
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.jeecg.modules.doc.util;




import org.jeecg.modules.doc.constant.FileType;

import java.net.URL;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class FileUtility
{
    static {}

    public static FileType GetFileType(String fileName)
    {
        String ext = GetFileExtension(fileName).toLowerCase();

        if (ExtsDocument.contains(ext))
            return FileType.Word;

        if (ExtsSpreadsheet.contains(ext))
            return FileType.Cell;

        if (ExtsPresentation.contains(ext))
            return FileType.Slide;

        return FileType.Word;
    }

    public static List<String> ExtsDocument = Arrays.asList
            (
                    ".doc", ".docx", ".docm",
                    ".dot", ".dotx", ".dotm",
                    ".odt", ".fodt", ".ott", ".rtf", ".txt",
                    ".html", ".htm", ".mht", ".xml",
                    ".pdf", ".djvu", ".fb2", ".epub", ".xps"
            );

    public static List<String> ExtsSpreadsheet = Arrays.asList
            (
                    ".xls", ".xlsx", ".xlsm",
                    ".xlt", ".xltx", ".xltm",
                    ".ods", ".fods", ".ots", ".csv"
            );

    public static List<String> ExtsPresentation = Arrays.asList
            (
                    ".pps", ".ppsx", ".ppsm",
                    ".ppt", ".pptx", ".pptm",
                    ".pot", ".potx", ".potm",
                    ".odp", ".fodp", ".otp"
            );


    public static String GetFileName(String url)
    {
        if (url == null) return "";

        String fileName = url.substring(url.lastIndexOf('/') + 1, url.length());
        fileName = fileName.split("\\?")[0];
        return fileName;
    }

    public static String GetFileNameWithoutExtension(String url)
    {
        String fileName = GetFileName(url);
        if (fileName == null) return null;
        String fileNameWithoutExt = fileName.substring(0, fileName.lastIndexOf('.'));
        return fileNameWithoutExt;
    }

    public static String GetFileExtension(String url)
    {
        String fileName = GetFileName(url);
        if (fileName == null) return null;
        String fileExt = fileName.substring(fileName.lastIndexOf("."));
        return fileExt.toLowerCase();
    }

    public static Map<String, String> GetUrlParams(String url)
    {
        try
        {
            String query = new URL(url).getQuery();
            String[] params = query.split("&");
            Map<String, String> map = new HashMap<>();
            for (String param : params)
            {
                String name = param.split("=")[0];
                String value = param.split("=")[1];
                map.put(name, value);
            }
            return map;
        }
        catch (Exception ex)
        {
            return null;
        }
    }
}