package com.utils.file;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
 
import org.apache.http.StatusLine;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.StringBody;
import
 
 org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.CharsetUtils;
import net.sf.json.JSONObject;
import wfc.service.util.StreamHelper;

public class Main {

    public static void main(String[] args) throws Exception {
        
        JSONObject json 
 
= new JSONObject();  
         File file=new File("C:\\Users\\Desktop\\jj.jpg"); 
         if(file.length()==0){
                json.put("400", "根據地址找不到指定的檔案。");
            }
         String applyno = "002000012205457";
         String fileName =file.getName();
                    String token = "6c445d95618c95375b88c40ccab4cc4e";
                    MultipartEntityBuilder multipartEntityBuilder = MultipartEntityBuilder.create();
                    multipartEntityBuilder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
                    multipartEntityBuilder.setCharset(CharsetUtils.get("UTF-8"));
                    multipartEntityBuilder.addPart("accessToken",
                            new StringBody(token, ContentType.create(ContentType.TEXT_PLAIN.getMimeType(), "UTF-8")));
                    multipartEntityBuilder.addPart("applyNo",
                            new StringBody(applyno, ContentType.create(ContentType.TEXT_PLAIN.getMimeType(),"UTF-8")));
                    multipartEntityBuilder.addPart("documentType",
                            new StringBody("1", ContentType.create(ContentType.TEXT_PLAIN.getMimeType(),"UTF-8")));
                    byte[] bytes = File2byte(file);
                        InputStream is = new ByteArrayInputStream(bytes);
                        multipartEntityBuilder.addBinaryBody("file", is, ContentType.MULTIPART_FORM_DATA,
                                fileName);
                        String reult = apiResFile("/uapply/uploadDocument", multipartEntityBuilder);
                        JSONObject reultobj = JSONObject.fromObject(reult);
                        System.out.println(reultobj);
    }
    

    /**
     * 將檔案轉換成byte陣列
     * @param filePath
     * @return
     */
    public static byte[] File2byte(File tradeFile){
        byte[] buffer = null;
        try
        {
            FileInputStream fis = new FileInputStream(tradeFile);
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            byte[] b = new byte[10240];
            int n;
            while ((n = fis.read(b)) != -1)
            {
                bos.write(b, 0, n);
            }
            fis.close();
            bos.close();
            buffer = bos.toByteArray();
        }catch (FileNotFoundException e){
            e.printStackTrace();
        }catch (IOException e){
            e.printStackTrace();
        }
        return buffer;
    }
    
    
    
    /**
     * 上傳附件
     * @param url
     * @param multipartEntityBuilder
     * @return
     * @throws Exception
     */
    public static String apiResFile(String url, MultipartEntityBuilder multipartEntityBuilder) throws Exception {
        url = "http:................api" + url;     //測試
        CloseableHttpClient httpClient = HttpClients.createDefault();
        HttpPost httpPost = new HttpPost(url);
        org.apache.http.HttpEntity reqEntity = multipartEntityBuilder.build();
        httpPost.setEntity(reqEntity);
        HttpResponse httpResponse = httpClient.execute(httpPost);
        HttpEntity httpEntity = httpResponse.getEntity();
        InputStream is2 = httpEntity.getContent();
        byte[] bytes = StreamHelper.toByteArray(is2);
        String responseString = new String(bytes, "UTF-8");
        StatusLine statusLine = httpResponse.getStatusLine();
        if (statusLine.getStatusCode() >= 400) {
            return "post failure :caused by-->" + responseString;
        } else {
            return responseString;
        }
    }

    
}