package com.it.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.it.utils.OperateImage;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.util.HashMap;
import java.util.Map;


/**
 * 图片上传测试类
 *
 */
@Controller
@RequestMapping("/")
public class ImageController {

    @RequestMapping(value = "/index", method = RequestMethod.GET)
    public String index(ModelMap model) throws Exception {
        return "index";
    }


    @RequestMapping(value = "/upload")
    public @ResponseBody
    Map upload(@RequestParam MultipartFile avatar_file, HttpServletRequest request) {

        java.util.Random random = new java.util.Random();// 定义随机类
        int result = random.nextInt(1);

        String path = request.getSession().getServletContext().getRealPath("upload");
        String fileName = avatar_file.getOriginalFilename();
        File targetFile = new File(path, fileName);
        if(!targetFile.exists()){
            targetFile.mkdirs();
        }
        try {
            //保存文件
            avatar_file.transferTo(targetFile);

            //裁剪图片
            JSONObject object = JSON.parseObject(request.getParameter("avatar_data"));
            OperateImage o = new OperateImage((int) Float.parseFloat(object.get("x").toString()), (int) Float.parseFloat(object.get("y").toString()), (int) Float.parseFloat(object.get("width").toString()), (int) Float.parseFloat(object.get("height").toString()));
            o.setSrcpath(path+"/"+fileName);//输入图片地址
            o.setSubpath("D:\\"+result+".jpg");//输出图片地址
            o.cut();
        } catch (Exception e) {
            e.printStackTrace();
        }

        Map map = new HashMap();
        map.put("result", true);
        /*nginx地址*/
        map.put("message", "http://localhost:3333/"+result+".jpg");
        return map;
    }
}