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package com.github.jackpanz.spring.util;

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*/

import com.github.jackpanz.spring.initialization.ConstantsConfigurer;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.UUID;

/**
 * Created by Administrator on 2016/2/23.
 */
public class ImageFileLogic {

    protected final Log logger = LogFactory.getLog(getClass());

    private static SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMdd");

    private MultipartFile uploadFile;

    private String oldImageName = null;

    private String imageName = null;

    private boolean isSuccessUpload = false;

    public String parentFolder;

    public static String type;

    public void setSuccessUpload(boolean successUpload) {
        isSuccessUpload = successUpload;
    }

    public boolean getSuccessUpload() {
        return isSuccessUpload;
    }

    public String getImageName() {
        return parentFolder + "/" + imageName;
    }

    /***
     * type:用於標誌圖片屬於哪個模块
     * */
    @Deprecated
    public ImageFileLogic(MultipartFile uploadFile, String oldImageName, String parentFolder) {
        this.uploadFile = uploadFile;
        this.oldImageName = oldImageName;
        this.parentFolder = parentFolder;
    }

    public static void copyOSS(String sourceKey, String destinationKey) {
        OSSUtils.copyOSS(sourceKey, destinationKey);
    }

    public static boolean existObject(String ssoKeyName) {
        return OSSUtils.existObject(ssoKeyName);
    }

    public static void uploadToOSS(String ssoKeyName, InputStream inputStream) {
        OSSUtils.uploadToOSS(ssoKeyName, inputStream);
    }

    public static void deleteFileToOSS(String ssoKeyName) {
        OSSUtils.deleteFileToOSS(ssoKeyName);
    }

    public static void deleteFileToOSS(List ssoKeyNames) {
        OSSUtils.deleteFileToOSS(ssoKeyNames);
    }

    public void deteleOldFile() {
        if (isSuccessUpload && StringUtils.isNotEmpty(oldImageName)) {
            OSSUtils.deleteFileToOSS(parentFolder + "/" + oldImageName);
        }
    }

    public static String uploadImage(MultipartFile uploadFile) {
        if (uploadFile == null || uploadFile.isEmpty()) {
            return null;
        }
        String imageName = null;
        if (uploadFile.getContentType().indexOf("jpeg") > -1) {
            imageName = "images/" + getNewImageJPGName();
        } else if (uploadFile.getOriginalFilename().toLowerCase().indexOf("jpg") > -1) {
            imageName = "images/" + getNewImageJPGName();
        } else if (uploadFile.getOriginalFilename().toLowerCase().indexOf("png") > -1) {
            imageName = "images/" + getNewImagePNGName();
        } else if (uploadFile.getContentType().indexOf("png") > -1) {
            imageName = "images/" + getNewImagePNGName();
        } else if (uploadFile.getContentType().indexOf("mp4") > -1) {
            imageName = "videos/" + getNewMp4Name();
        }else {
            return null;
        }
        try {
            uploadImage(imageName, uploadFile);
            return imageName;
        } catch (Exception ex) {
            ex.printStackTrace();
            return null;
        }
    }

    public static void uploadImage(String imageName, MultipartFile uploadFile) {
        try {
            OSSUtils.uploadToOSS(imageName, uploadFile.getInputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public boolean copyNewFile() {
        try {
            if (uploadFile != null && !uploadFile.isEmpty()) {
                if (uploadFile.getContentType().indexOf("jpeg") > -1) {
                    imageName = getNewImageJPGName();
                } else if (uploadFile.getContentType().indexOf("png") > -1) {
                    imageName = getNewImagePNGName();
                } else {
                    return false;
                }
                uploadToOSS(parentFolder + "/" + imageName, uploadFile.getInputStream());
                isSuccessUpload = true;
                return true;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public static String getNewImageJPGName() {
        Date now = new Date();
        return simpleDateFormat.format(now) + "/" + UUID.randomUUID().toString().replaceAll("-", "") + ".jpg";
    }

    public static String getNewImagePNGName() {
        Date now = new Date();
        return simpleDateFormat.format(now) + "/" + UUID.randomUUID().toString().replaceAll("-", "") + ".png";
    }

    public static String getNewMp4Name() {
        Date now = new Date();
        return simpleDateFormat.format(now) + "/" + UUID.randomUUID().toString() + ".mp4";
    }

    /**
     * 將臨時文件中的文件複製到正式目錄下
     */
    public static String copy(String fileName, String prefix) throws RuntimeException //文件名稱必須以prefix開頭
    {
        if (StringUtils.isBlank(fileName))
            throw new MException("文件名稱不能為空");
        if (StringUtils.isBlank(prefix))
            throw new MException("請指定文件前綴");
        if (ImageFileLogic.existObject(fileName)) {//如果存在該臨時文件則繼續
            String odlName = fileName;
            try {
                fileName = fileName.replace("temp/", prefix);// 更換可臨時文件的名稱
            } catch (Exception e) {
                throw new MException("您的附件名稱錯誤");
            }
            String to_object_key = ConstantsConfigurer.image_uload + "/" + fileName;// 正式文件目錄
            ImageFileLogic.copyOSS(odlName, to_object_key);// 將臨時文件拷貝為正式文件
            ImageFileLogic.deleteFileToOSS(odlName);// 刪除臨時文件
            return fileName;
        } else
            throw new MException("阿裏雲中沒有找到您的附件");
    }

}