package com.dbnt.faisp.config;


import com.dbnt.faisp.util.ParamMap;
import com.dbnt.faisp.util.Utils;

import lombok.RequiredArgsConstructor;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.springframework.beans.factory.annotation.Value;



import org.springframework.ui.Model;
import org.springframework.util.FileCopyUtils;

import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;


import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


@RestController
@RequiredArgsConstructor
public class EditorController extends BaseService{

  @Value("${site.domain}")
  protected String siteDomain;

  @Value("${editor.img.view}")
  protected String imgView;


  @PostMapping("/Crosseditor/uploadImg")
  public @ResponseBody JSONObject uploadImg(Model model, HttpServletRequest request, HttpServletResponse response, HttpSession session) {

    JSONObject jsonObject = new JSONObject();
    JSONObject data = new JSONObject();
    JSONArray req_array = new JSONArray();

    try {
      MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest)request;
      MultipartFile mFile = multipartRequest.getFile("imageFile");
      if(!"".equals(mFile.getOriginalFilename())){

        String attach_file_Name = mFile.getOriginalFilename();
        String attach_save_Name = Utils.generationSaveName();
        String imageKind = request.getParameter("imageKind");
        String editorFrame = request.getParameter("editorFrame");

        //파일 타입
        String extNm = attach_file_Name.substring( attach_file_Name.lastIndexOf( "." ) + 1);
        if("jpg,png,jpeg".contains(extNm.toLowerCase())) {

          File dir = new File(locationPath+editorPath);
          if (!dir.exists()) {
            try{

              // 생성
              boolean result2 = dir.mkdir();
              if (result2) {
                System.out.println("Directory is created.");
              } else {
                System.out.println("Failed to create directory.");
              }
            } catch(Exception e){
              System.out.println("Exception occurred.");
              e.getStackTrace();
            }
          } else {
            System.out.println("Directory already exists");
          }

          File file = new File(locationPath+editorPath, attach_save_Name +"."+ extNm);
          FileCopyUtils.copy(mFile.getBytes(), file);
          InputStream is = new FileInputStream(file);
          BufferedImage input = ImageIO.read(is);
          if(input.getWidth()>720){
            int width = 720;
            int height = (int) (input.getHeight()*(720d/input.getWidth()));

            Image resizeImage = input.getScaledInstance(width, height, Image.SCALE_SMOOTH);
            BufferedImage output = new BufferedImage(width, height, input.getType());
            Graphics graphics = output.createGraphics();
            graphics.drawImage(resizeImage, 0, 0, null);
            graphics.dispose();
            ImageIO.write(output, extNm, file);
          }

          String webPath = siteDomain+ imgView + attach_save_Name +"."+ extNm;

          jsonObject.put("result","success");
          data.put("imageURL",webPath);
          data.put("imageKind", imageKind);
          data.put("editorFrame", editorFrame);
          req_array.add(data);
          jsonObject.put("addmsg", req_array);

        } else {
          ParamMap error = new ParamMap();
          error.set("message", "Check File Extentions.");
        }
      } else {
        ParamMap error = new ParamMap();
        error.set("message", "Check File Extentions.");

      }
    } catch (Exception e) {
      ParamMap error = new ParamMap();
      error.set("message", "Check File Extentions.");
    }

    return jsonObject;
  }



}