package com.skua.modules.edu.controller;

import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.skua.core.api.vo.Result;
import com.skua.core.aspect.annotation.AutoLog;
import com.skua.core.context.BaseContextHandler;
import com.skua.core.query.QueryGenerator;
import com.skua.core.service.ISequenceService;
import com.skua.core.util.ConvertUtils;
import com.skua.modules.edu.entity.Paper;
import com.skua.modules.edu.service.IPaperService;
import java.util.Date;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.skua.modules.edu.vo.PaperVO;
import lombok.extern.slf4j.Slf4j;

import org.jeecgframework.poi.excel.ExcelImportUtil;
import org.jeecgframework.poi.excel.def.NormalExcelConstants;
import org.jeecgframework.poi.excel.entity.ExportParams;
import org.jeecgframework.poi.excel.entity.ImportParams;
import org.jeecgframework.poi.excel.view.JeecgEntityExcelView;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;
import com.alibaba.fastjson.JSON;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;

/**
 * <pre>
 * 在线考试-试卷
 * </pre>
 * @author 开发者姓名
 * @version V0.1, 开发时间
 */
@Slf4j
@Api(tags="在线考试-试卷")
@RestController("webPaperController")
@RequestMapping("/web/edu/paper")
public class PaperController {
	@Autowired
	private IPaperService paperService;

	/**
	 * <pre>
	 * 	分页列表查询
	 * </pre>
	 * @param paper
	 * @param pageNo
	 * @param pageSize
	 * @param req
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-分页列表查询")
	@ApiOperation(value="在线考试-试卷-分页列表查询", notes="在线考试-试卷-分页列表查询")
	@GetMapping(value = "/list")
	public Result<IPage<Paper>> queryPageList(Paper paper,
									  @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
									  @RequestParam(name="pageSize", defaultValue="10") Integer pageSize,
									  HttpServletRequest req) {
		Result<IPage<Paper>> result = new Result<IPage<Paper>>();
		QueryWrapper<Paper> queryWrapper = QueryGenerator.initQueryWrapper(paper, req.getParameterMap());
		Page<Paper> page = new Page<Paper>(pageNo, pageSize);
		IPage<Paper> pageList = paperService.page(page, queryWrapper);
		result.setSuccess(true);
		result.setResult(pageList);
		return result;
	}

	/**
	 * <pre>
	 * 	添加
	 * </pre>
	 * @param paperVO
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-添加")
	@ApiOperation(value="在线考试-试卷-添加", notes="在线考试-试卷-添加")
	@PostMapping(value = "/add")
	public Result<Paper> add(@RequestBody PaperVO paperVO) throws Exception{
		Result<Paper> result = new Result<Paper>();
		try {
			paperService.savePaper(paperVO);
			result.success("添加成功！");
		} catch (Exception e) {
			log.error(e.getMessage(),e);
			result.error500("操作失败");
		}
		return result;
	}
	/**
	 * <pre>
	 * 	 编辑
	 * </pre>
	 * @param paperVO
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-编辑")
	@ApiOperation(value="在线考试-试卷-编辑", notes="在线考试-试卷-编辑")
	@PutMapping(value = "/edit")
	public Result<Paper> edit(@RequestBody PaperVO paperVO)  throws Exception{
		Result<Paper> result = new Result<Paper>();
		Paper paperEntity = paperService.getById(paperVO.getId());
		if(paperEntity==null) {
			result.error500("未找到对应实体");
		}else {
			boolean ok = paperService.updatePaper(paperVO);
			//TODO 返回false说明什么？
			if(ok) {
				result.success("修改成功!");
			}
		}
		return result;
	}



	@AutoLog(value = "在线考试-发布试卷")
	@ApiOperation(value="在线考试-发布试卷", notes="在线考试-发布试卷")
	@PutMapping(value = "/publish")
	public Result<Paper> publish(@RequestBody Paper paper) {
		Result<Paper> result = new Result<Paper>();
		Paper paperEntity = paperService.getById(paper.getId());
		if(paperEntity==null) {
			result.error500("未找到对应实体");
		}else {
			boolean ok = paperService.updateById(paper);
			//TODO 返回false说明什么？
			if(ok) {
				result.success("修改成功!");
			}
		}
		return result;
	}
	/**
	 * <pre>
	 * 	 通过id删除
	 * </pre>
	 * @param id
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-通过id删除")
	@ApiOperation(value="在线考试-试卷-通过id删除", notes="在线考试-试卷-通过id删除")
	@DeleteMapping(value = "/delete")
	public Result<?> delete(@RequestParam(name="id",required=true) String id) {
		try {
			paperService.removeById(id);
		} catch (Exception e) {
			log.error("删除失败",e.getMessage());
			return Result.error("删除失败!");
		}
		return Result.ok("删除成功!");
	}

	/**
	 * <pre>
	 * 	  批量删除
	 * </pre>
	 * @param ids
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-批量删除")
	@ApiOperation(value="在线考试-试卷-批量删除", notes="在线考试-试卷-批量删除")
	@DeleteMapping(value = "/deleteBatch")
	public Result<Paper> deleteBatch(@RequestParam(name="ids",required=true) String ids) {
		Result<Paper> result = new Result<Paper>();
		if(ids==null || "".equals(ids.trim())) {
			result.error500("参数不识别！");
		}else {
			this.paperService.removeByIds(Arrays.asList(ids.split(",")));
			result.success("删除成功!");
		}
		return result;
	}
	/**
	 * <pre>
	 * 	 通过id查询
	 * </pre>
	 * @param id
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
	@AutoLog(value = "在线考试-试卷-通过id查询")
	@ApiOperation(value="在线考试-试卷-通过id查询", notes="在线考试-试卷-通过id查询")
	@GetMapping(value = "/queryById")
	public Result<Paper> queryById(@RequestParam(name="id",required=true) String id) {
		Result<Paper> result = new Result<Paper>();
		Paper paper = paperService.getById(id);
		if(paper==null) {
			result.error500("未找到对应实体");
		}else {
			result.setResult(paper);
			result.setSuccess(true);
		}
		return result;
	}

   /**
	 * <pre>
	 * 	 导出excel
	 * </pre>
	 * @param request
	 * @param response
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */

  @RequestMapping(value = "/exportXls")
  public ModelAndView exportXls(HttpServletRequest request, HttpServletResponse response) {
      // Step.1 组装查询条件
      QueryWrapper<Paper> queryWrapper = null;
      try {
          String paramsStr = request.getParameter("paramsStr");
          if (ConvertUtils.isNotEmpty(paramsStr)) {
              String deString = URLDecoder.decode(paramsStr, "UTF-8");
              Paper paper = JSON.parseObject(deString, Paper.class);
              queryWrapper = QueryGenerator.initQueryWrapper(paper, request.getParameterMap());
          }
      } catch (UnsupportedEncodingException e) {
          e.printStackTrace();
      }

      //Step.2 AutoPoi 导出Excel
      ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
      List<Paper> pageList = paperService.list(queryWrapper);
      //导出文件名称
      mv.addObject(NormalExcelConstants.FILE_NAME, "在线考试-试卷列表");
      mv.addObject(NormalExcelConstants.CLASS, Paper.class);
      mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("在线考试-试卷列表数据", "导出人:Jeecg", "导出信息"));
      mv.addObject(NormalExcelConstants.DATA_LIST, pageList);
      return mv;
  }

   /**
	 * <pre>
	 * 	 通过excel导入数据
	 * </pre>
	 * @param request
	 * @param response
	 * @return
	 * @author 开发者姓名, 开发时间
	 * @Description: TODO(这里描述这个方法的需求变更情况)
	 */
  @RequestMapping(value = "/importExcel", method = RequestMethod.POST)
  public Result<?> importExcel(HttpServletRequest request, HttpServletResponse response) {
      MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
      Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
      for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
          MultipartFile file = entity.getValue();// 获取上传文件对象
          ImportParams params = new ImportParams();
          params.setTitleRows(2);
          params.setHeadRows(1);
          params.setNeedSave(true);
          try {
              List<Paper> listPapers = ExcelImportUtil.importExcel(file.getInputStream(), Paper.class, params);
              paperService.saveBatch(listPapers);
              return Result.ok("文件导入成功！数据行数:" + listPapers.size());
          } catch (Exception e) {
              log.error(e.getMessage(),e);
              return Result.error("文件导入失败:"+e.getMessage());
          } finally {
              try {
                  file.getInputStream().close();
              } catch (IOException e) {
                  e.printStackTrace();
              }
          }
      }
      return Result.ok("文件导入失败！");
  }

}