package org.jeecg.modules.system.controller;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.fastjson.JSON;
import org.jeecg.common.api.vo.Result;
import org.jeecg.common.constant.CommonConstant;
import org.jeecg.common.constant.CommonSendStatus;
import org.jeecg.common.system.query.QueryGenerator;
import org.jeecg.common.util.oConvertUtils;
import org.jeecg.modules.shiro.authc.util.JwtUtil;
import org.jeecg.modules.system.entity.SysAnnouncement;
import org.jeecg.modules.system.entity.SysDict;
import org.jeecg.modules.system.entity.SysUser;
import org.jeecg.modules.system.service.ISysAnnouncementService;
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.RequestBody;
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.RestController;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

/**
 * @Title: Controller
 * @Description: 系统通告表
 * @author： jeecg-boot
 * @date： 2019-01-02
 * @version： V1.0
 */
@RestController
@RequestMapping("/sys/annountCement")
@Slf4j
public class SysAnnouncementController {
	@Autowired
	private ISysAnnouncementService sysAnnouncementService;

	/**
	  * 分页列表查询
	 * @param sysAnnouncement
	 * @param pageNo
	 * @param pageSize
	 * @param req
	 * @return
	 */
	@RequestMapping(value = "/list", method = RequestMethod.GET)
	public Result<IPage<SysAnnouncement>> queryPageList(SysAnnouncement sysAnnouncement,
									  @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
									  @RequestParam(name="pageSize", defaultValue="10") Integer pageSize,
									  HttpServletRequest req) {
		Result<IPage<SysAnnouncement>> result = new Result<IPage<SysAnnouncement>>();
		sysAnnouncement.setDelFlag(CommonConstant.DEL_FLAG_0.toString());
		QueryWrapper<SysAnnouncement> queryWrapper = QueryGenerator.initQueryWrapper(sysAnnouncement, req.getParameterMap());
		Page<SysAnnouncement> page = new Page<SysAnnouncement>(pageNo, pageSize);
		IPage<SysAnnouncement> pageList = sysAnnouncementService.page(page, queryWrapper);
		result.setSuccess(true);
		result.setResult(pageList);
		return result;
	}

	/**
	  *   添加
	 * @param sysAnnouncement
	 * @return
	 */
	@RequestMapping(value = "/add", method = RequestMethod.POST)
	public Result<SysAnnouncement> add(@RequestBody SysAnnouncement sysAnnouncement) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		try {
			sysAnnouncement.setDelFlag(CommonConstant.DEL_FLAG_0.toString());
			sysAnnouncement.setSendStatus(CommonSendStatus.UNPUBLISHED_STATUS_0);//未发布
			sysAnnouncementService.save(sysAnnouncement);
			result.success("添加成功！");
		} catch (Exception e) {
			e.printStackTrace();
			log.info(e.getMessage());
			result.error500("操作失败");
		}
		return result;
	}

	/**
	  *  编辑
	 * @param sysAnnouncement
	 * @return
	 */
	@RequestMapping(value = "/edit", method = RequestMethod.PUT)
	public Result<SysAnnouncement> edit(@RequestBody SysAnnouncement sysAnnouncement) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		SysAnnouncement sysAnnouncementEntity = sysAnnouncementService.getById(sysAnnouncement.getId());
		if(sysAnnouncementEntity==null) {
			result.error500("未找到对应实体");
		}else {
			boolean ok = sysAnnouncementService.updateById(sysAnnouncement);
			//TODO 返回false说明什么？
			if(ok) {
				result.success("修改成功!");
			}
		}

		return result;
	}

	/**
	  *   通过id删除
	 * @param id
	 * @return
	 */
	@RequestMapping(value = "/delete", method = RequestMethod.DELETE)
	public Result<SysAnnouncement> delete(@RequestParam(name="id",required=true) String id) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		SysAnnouncement sysAnnouncement = sysAnnouncementService.getById(id);
		if(sysAnnouncement==null) {
			result.error500("未找到对应实体");
		}else {
			sysAnnouncement.setDelFlag(CommonConstant.DEL_FLAG_1.toString());
			boolean ok = sysAnnouncementService.updateById(sysAnnouncement);
			if(ok) {
				result.success("删除成功!");
			}
		}

		return result;
	}

	/**
	  *  批量删除
	 * @param ids
	 * @return
	 */
	@RequestMapping(value = "/deleteBatch", method = RequestMethod.DELETE)
	public Result<SysAnnouncement> deleteBatch(@RequestParam(name="ids",required=true) String ids) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		if(ids==null || "".equals(ids.trim())) {
			result.error500("参数不识别！");
		}else {
			String[] id = ids.split(",");
			for(int i=0;i<id.length;i++) {
				SysAnnouncement announcement = sysAnnouncementService.getById(id[i]);
				announcement.setDelFlag(CommonConstant.DEL_FLAG_1.toString());
				sysAnnouncementService.updateById(announcement);
			}
			result.success("删除成功!");
		}
		return result;
	}

	/**
	  * 通过id查询
	 * @param id
	 * @return
	 */
	@RequestMapping(value = "/queryById", method = RequestMethod.GET)
	public Result<SysAnnouncement> queryById(@RequestParam(name="id",required=true) String id) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		SysAnnouncement sysAnnouncement = sysAnnouncementService.getById(id);
		if(sysAnnouncement==null) {
			result.error500("未找到对应实体");
		}else {
			result.setResult(sysAnnouncement);
			result.setSuccess(true);
		}
		return result;
	}

	/**
	 *	 更新发布操作
	 * @param id
	 * @return
	 */
	@RequestMapping(value = "/doReleaseData", method = RequestMethod.GET)
	public Result<SysAnnouncement> doReleaseData(@RequestParam(name="id",required=true) String id, HttpServletRequest request) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		SysAnnouncement sysAnnouncement = sysAnnouncementService.getById(id);
		if(sysAnnouncement==null) {
			result.error500("未找到对应实体");
		}else {
			sysAnnouncement.setSendStatus(CommonSendStatus.PUBLISHED_STATUS_1);//发布中
			sysAnnouncement.setSendTime(new Date());
			String currentUserName = JwtUtil.getUserNameByToken(request);
			sysAnnouncement.setSender(currentUserName);
			boolean ok = sysAnnouncementService.updateById(sysAnnouncement);
			if(ok) {
				result.success("该系统通知发布成功");
			}
		}

		return result;
	}

	/**
	 *	 更新撤销操作
	 * @param id
	 * @return
	 */
	@RequestMapping(value = "/doReovkeData", method = RequestMethod.GET)
	public Result<SysAnnouncement> doReovkeData(@RequestParam(name="id",required=true) String id, HttpServletRequest request) {
		Result<SysAnnouncement> result = new Result<SysAnnouncement>();
		SysAnnouncement sysAnnouncement = sysAnnouncementService.getById(id);
		if(sysAnnouncement==null) {
			result.error500("未找到对应实体");
		}else {
			sysAnnouncement.setSendStatus(CommonSendStatus.REVOKE_STATUS_2);//撤销发布
			sysAnnouncement.setCancelTime(new Date());
			boolean ok = sysAnnouncementService.updateById(sysAnnouncement);
			if(ok) {
				result.success("该系统通知撤销成功");
			}
		}

		return result;
	}

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

        //Step.2 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        List<SysAnnouncement> pageList = sysAnnouncementService.list(queryWrapper);
        //导出文件名称
        mv.addObject(NormalExcelConstants.FILE_NAME, "系统通告列表");
        mv.addObject(NormalExcelConstants.CLASS, SysAnnouncement.class);
        mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("系统通告列表数据", "导出人:Jeecg", "导出信息"));
        mv.addObject(NormalExcelConstants.DATA_LIST, pageList);
        return mv;
    }

    /**
     * 通过excel导入数据
     *
     * @param request
     * @param response
     * @return
     */
    @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<SysAnnouncement> listSysAnnouncements = ExcelImportUtil.importExcel(file.getInputStream(), SysAnnouncement.class, params);
                for (SysAnnouncement sysAnnouncementExcel : listSysAnnouncements) {
                	if(sysAnnouncementExcel.getDelFlag()==null){
                		sysAnnouncementExcel.setDelFlag("0");
					}
                    sysAnnouncementService.save(sysAnnouncementExcel);
                }
                return Result.ok("文件导入成功！数据行数：" + listSysAnnouncements.size());
            } catch (Exception e) {
                log.error(e.getMessage());
                return Result.error("文件导入失败！");
            } finally {
                try {
                    file.getInputStream().close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return Result.ok("文件导入失败！");
    }
}