package com.qxueyou.scc.sys.action;

import com.qxueyou.scc.admin.classes.model.ClsClass;
import com.qxueyou.scc.admin.classes.service.IClassService;
import com.qxueyou.scc.admin.classroom.model.ClassRoom;
import com.qxueyou.scc.admin.classroom.service.IClassRoomService;
import com.qxueyou.scc.base.dao.CommonDAO;
import com.qxueyou.scc.base.util.*;
import com.qxueyou.scc.exam.model.ExamBatchInfo;
import com.qxueyou.scc.exam.model.ExamInfo;
import com.qxueyou.scc.exam.model.ExamResultV;
import com.qxueyou.scc.exam.service.IExamBatchService;
import com.qxueyou.scc.exam.service.IExamService;
import com.qxueyou.scc.sys.utils.DrawingUtil;
import com.qxueyou.scc.teach.student.model.StuStudent;
import com.qxueyou.scc.teach.student.service.IStudentService;
import com.qxueyou.scc.user.service.IUserService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * @author luodong
 * @version 1.0
 * @date 2020/5/25 15:01
 */
@Controller
@RequestMapping(value = "/certImage")
public class ImgController {

	@Autowired
	IStudentService studentService;


	@Autowired
	private CommonDAO commonDAO;

	@Autowired
	IUserService userService;

	@Autowired
	IClassService classService;

	@Autowired
	IExamService examService;

	@Autowired
	IExamBatchService examBatchService;

	@Autowired
	private IClassRoomService classRoomService;


	/**
	 * 根据请求的id查询数据生成图片
	 * @param
	 * @return
	 */
	@RequestMapping(value = "/createImg",method = RequestMethod.GET)
	@ResponseBody
	public ResponseEntity<byte[]> draw(String studentNo,String examBatchId, HttpServletRequest req, HttpServletResponse resp) throws Exception {
		//获取准考证信息
		Map<String,String> stu = getStudent(studentNo,examBatchId);

		ResponseEntity<byte[]> entity = null;
		ByteArrayOutputStream bo=null;  //字节流
		String fileName=UUID.randomUUID().toString() +".jpg";
		HttpStatus statusCode = HttpStatus.CREATED;
		String header = req.getHeader("User-Agent").toUpperCase();
		try {
			if (header.contains("MSIE") || header.contains("TRIDENT") || header.contains("EDGE")) {
				fileName = URLEncoder.encode(fileName, "gbk");
				fileName = fileName.replace("+", "%20");    // IE下载文件名空格变+号问题
				statusCode = HttpStatus.OK;
			} else {
				fileName = new String(fileName.getBytes("gbk"), "ISO8859-1");
			}
			 bo=new ByteArrayOutputStream();
			String simg="static/images/ca.jpg";
			if (stu.get("classRoomName").contains("八卦岭")) {
				simg="static/images/cb.jpg";
			}
			//生成图片流
			DrawingUtil.drawImage("static/images/cc.jpg",
					simg,
					stu.get("name"),
					stu.get("studentNo"),
					stu.get("examName"),
//					"深圳市保安员资格考试",
//					"SZBAZGKS" +
							stu.get("studentNo").substring(stu.get("studentNo").length()>=6?stu.get("studentNo").length()-6:0),
					stu.get("number"),
					stu.get("classRoomName"),
					stu.get("examRoomName"),
					stu.get("address"),
					stu.get("address2"),
					stu.get("startTime"),
					stu.get("endTime"),
					stu.get("sex"),bo);
		 	//设置头信息
			HttpHeaders headers = new HttpHeaders();
			headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);//static/images/ca1.jpg
			//UUID作为文件名
			headers.setContentDispositionFormData("attachment",fileName);
			//获取字节数据
			byte[] bytes = bo.toByteArray();
			//交给spring
			entity = new ResponseEntity<byte[]>(bytes, headers, statusCode);
//		} catch (IOException e) {
//
//		} catch (Exception e) {
//			e.printStackTrace();
		} finally {
			try {
				assert bo != null;
				bo.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return entity;
	}
	private Map<String,String> getStudent(String studentNo,String examBatchId){
		//获取用户信息
		StuStudent stu=null;
		if (studentNo!=null&&!"".equals(studentNo)&&!"null".equals(studentNo)){
		 	stu = studentService.getStudentByNo(studentNo);
		}else {
		 	stu= studentService.getStudentByUserId(ClientUtils.getUserId());
		}
		//获取批次信息
		ExamBatchInfo examBatchInfo = examBatchService.queryExamBatchDetail(examBatchId);
		ExamInfo examInfo = examBatchInfo.getExamInfo();
		//获取考点名称
		String classRoomId=examBatchInfo.getClassRoomID();
		ClassRoom detail = classRoomService.detail(classRoomId);
		String classRoomName = detail.getName();
		//获取考点地址
		String address = detail.getAddress();
		//获取考场名称
		String examRoomName=examBatchInfo.getExamRoomName();
		//获取考试开始结束时间
		String startTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(examBatchInfo.getStartTime());
		String endTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(examBatchInfo.getEndTime());
		//根据批次Id查询所在组Id与组的所有考生集合
		String classId = examBatchService.queryExamBatchByClassId(examBatchId).getClassId();
//		RedisTemplate redisTemplate = new RedisTemplate<>();
//		//取出
//		List<StuStudent> students = (List<StuStudent>) redisTemplate.boundHashOps("Hashlist").get("students");
//		if(students==null){
//			students= studentService.getStudentByclassId(classId);
//		//存储
//			redisTemplate.boundHashOps("Hashlist").put("students", students);
//		}
//		int number=1;
		String number = ClientUtils.getUserInfo().getInfo("age");
//		for (int i=1;i<=students.size();i++) {
//			if (students.get(i-1).getStudentNo().equals(stu.getStudentNo()) ) {
//				//座位号
//				number=i;
//			}
//		}
		//添加信息
		Map<String,String> student=new HashMap<>();
		student.put("name",stu.getName());
		student.put("studentNo",stu.getStudentNo());
		student.put("classRoomName",classRoomName);
		student.put("examName",examInfo.getExamName());
		if(address.contains("/")){
			String[] split = address.split("/");
			if(split.length>=2){
				student.put("address",split[0]);
				student.put("address2",split[1]);
			}else {
				student.put("address",address);
				student.put("address2",address);
			}
		}else {
			student.put("address",address);
			student.put("address2",address);
		}
		student.put("examRoomName",examRoomName);
		student.put("startTime",startTime);
		student.put("endTime",endTime);
		student.put("number",number+"");
		student.put("sex",stu.getSex()?"男":"女");
		//TODO 下载状态
		studentService.updateImgStudent(stu.getStudentId());
		ClientUtils.getUserInfo().setInfo("age",String.valueOf(Integer.parseInt(number)+1));
		return student;
	}
}