package com.skua.modules.video.controller;

import cn.hutool.core.collection.CollectionUtil;
import com.alibaba.fastjson.JSON;
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.core.api.vo.Result;
import com.skua.core.api.vo.TransTreeModel;
import com.skua.core.api.vo.TreeData;
import com.skua.core.aspect.annotation.AutoLog;
import com.skua.core.context.BaseContextHandler;
import com.skua.core.query.QueryGenerator;
import com.skua.core.util.ConvertUtils;
import com.skua.core.util.TreeUtils;
import com.skua.modules.video.entity.TVideoRoot;
import com.skua.modules.video.service.ITVideoRootService;
import com.skua.modules.video.vo.VideoRootVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
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 javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 视频区域配置
 */
@Slf4j
@Api(tags="视频区域配置")
@RestController
@RequestMapping("/videoRoot/tVideoRoot")
public class TVideoRootController {
	@Autowired
	private ITVideoRootService tVideoRootService;

	/**
	  * 分页列表查询
	 * @param tVideoRoot
	 * @param pageNo
	 * @param pageSize
	 * @param req
	 * @return
	 */
	@AutoLog(value = "视频区域配置-分页列表查询")
	@ApiOperation(value="视频区域配置-分页列表查询", notes="视频区域配置-分页列表查询")
	@GetMapping(value = "/list")
	public Result<IPage<TVideoRoot>> queryPageList(TVideoRoot tVideoRoot,
												   @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
												   @RequestParam(name="pageSize", defaultValue="10") Integer pageSize,
												   HttpServletRequest req) {
		Result<IPage<TVideoRoot>> result = new Result<IPage<TVideoRoot>>();
		QueryWrapper<TVideoRoot> queryWrapper = QueryGenerator.initQueryWrapper(tVideoRoot, req.getParameterMap());
		if(tVideoRoot.getDepartId()==null){
			String departIds = BaseContextHandler.getDeparts();
//			queryWrapper.in("depart_id", departIds.split(","));
			//tVideoRoot.setDepartId(BaseContextHandler.getDeparts());
		}
		Page<TVideoRoot> page = new Page<TVideoRoot>(pageNo, pageSize);
		IPage<TVideoRoot> pageList = tVideoRootService.page(page, queryWrapper);
		result.setSuccess(true);
		result.setResult(pageList);
		return result;
	}

	 @AutoLog(value = "视频信息-分页列表查询")
	 @ApiOperation(value="视频信息-分页列表查询", notes="视频信息-分页列表查询")
	 @GetMapping(value = "/noPageList")
	 public Result<List<TVideoRoot>> queryNoPageList(TVideoRoot tVideoRoot,
												 HttpServletRequest req) {
		 Result<List<TVideoRoot>> result = new Result<List<TVideoRoot>>();
		 QueryWrapper<TVideoRoot> queryWrapper = QueryGenerator.initQueryWrapper(tVideoRoot, req.getParameterMap());
		 if(tVideoRoot.getDepartId()==null){
			 tVideoRoot.setDepartId(BaseContextHandler.getDeparts());
		 }
		 List<TVideoRoot> list = tVideoRootService.list(queryWrapper);
		 result.setSuccess(true);
		 result.setResult(list);
		 return result;
	 }

	 /**
	  * 构建视频区域树
	  * @param departId
	  * @return
	  */
	 @AutoLog(value = "构建视频区域树")
	 @ApiOperation(value="构建视频区域树", notes="构建视频区域树")
	 @GetMapping(value = "/buildVideoAreaTree")
	 public Result<List<TreeData>> buildVideoAreaTree(@RequestParam(value = "departId",required = false) String departId){
		 Result<List<TreeData>> result = new Result<>();
		 //查询所有厂区下的视频区域列表
		 List<VideoRootVO> allVideoRootList = tVideoRootService.buildVideoAreaTree(departId);
		 //将业务数据转换为构造树所需的数据结构
		 List<TransTreeModel> transTreeModels = allVideoRootList.stream().map(bo -> convertToTreeModel(bo)).collect(Collectors.toList());
		 List<TreeData> treeList= TreeUtils.buildTree(transTreeModels,"root");
		 result.setResult(treeList);
		 result.success("查询成功");
		 return result;
	 }

	/**
	 * 将TVideoRoot对象数据填充到TransTreeModel中
	 * @param bo
	 * @return
	 */
	private TransTreeModel convertToTreeModel(VideoRootVO bo) {
		TransTreeModel transTreeModel = new TransTreeModel();
		transTreeModel.setPid(bo.getParentId());
		transTreeModel.setId(bo.getId());
		transTreeModel.setTitle(bo.getVideoRootName());
		Map<String, String> map = new HashMap<>(2);
		map.put("depart_id",bo.getDepartId());
		transTreeModel.setMap(map);
		return transTreeModel;
	}


	/**
	  *   添加
	 * @param tVideoRoot
	 * @return
	 */
	@AutoLog(value = "视频区域配置-添加")
	@ApiOperation(value="视频区域配置-添加", notes="视频区域配置-添加")
	@PostMapping(value = "/add")
	public Result<TVideoRoot> add(@RequestBody TVideoRoot tVideoRoot, HttpServletRequest req) {
		Result<TVideoRoot> result = new Result<TVideoRoot>();
		try {
			if(StringUtils.isNotBlank(tVideoRoot.getVideoRootName())){
				QueryWrapper<TVideoRoot> queryWrapper = QueryGenerator.initQueryWrapper(tVideoRoot, req.getParameterMap());
				List<TVideoRoot> list = tVideoRootService.list(queryWrapper);
				if (CollectionUtil.isNotEmpty(list)){
					result.error500("视频根目录名称已存在");
					return result;
				}
			} else{
				result.error500("视频根目录名称不能为空");
			}
			tVideoRootService.save(tVideoRoot);
			result.success("添加成功！");
		} catch (Exception e) {
			log.error(e.getMessage(),e);
			result.error500("操作失败");
		}
		return result;
	}

	/**
	  *  编辑
	 * @param tVideoRoot
	 * @return
	 */
	@AutoLog(value = "视频区域配置-编辑")
	@ApiOperation(value="视频区域配置-编辑", notes="视频区域配置-编辑")
	@PutMapping(value = "/edit")
	public Result<TVideoRoot> edit(@RequestBody TVideoRoot tVideoRoot) {
		Result<TVideoRoot> result = new Result<TVideoRoot>();
		TVideoRoot tVideoRootEntity = tVideoRootService.getById(tVideoRoot.getId());
		if(tVideoRootEntity==null) {
			result.error500("未找到对应实体");
		}else {
			boolean ok = tVideoRootService.updateById(tVideoRoot);
			//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
	 */
	@AutoLog(value = "视频区域配置-通过id删除")
	@ApiOperation(value="视频区域配置-通过id删除", notes="视频区域配置-通过id删除")
	@DeleteMapping(value = "/delete")
	public Result<?> delete(@RequestParam(name="id",required=true) String id) {
		try {

			//进行监控是否配置校验
			String result = tVideoRootService.remove(id);
			if(result.equals("no")) {
				return Result.error("该视频监控区域下存在视频监控配置，请先删除视频监控配置！!");
			}
		} 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!");
	}

	/**
	  *  批量删除
	 * @param ids
	 * @return
	 */
	@AutoLog(value = "视频区域配置-批量删除")
	@ApiOperation(value="视频区域配置-批量删除", notes="视频区域配置-批量删除")
	@DeleteMapping(value = "/deleteBatch")
	public Result<TVideoRoot> deleteBatch(@RequestParam(name="ids",required=true) String ids) {
		Result<TVideoRoot> result = new Result<TVideoRoot>();
		if(ids==null || "".equals(ids.trim())) {
			result.error500("参数不识别！");
		}else {
			this.tVideoRootService.removeByIds(Arrays.asList(ids.split(",")));
			result.success("删除成功!");
		}
		return result;
	}

	/**
	  * 通过id查询
	 * @param id
	 * @return
	 */
	@AutoLog(value = "视频区域配置-通过id查询")
	@ApiOperation(value="视频区域配置-通过id查询", notes="视频区域配置-通过id查询")
	@GetMapping(value = "/queryById")
	public Result<TVideoRoot> queryById(@RequestParam(name="id",required=true) String id) {
		Result<TVideoRoot> result = new Result<TVideoRoot>();
		TVideoRoot tVideoRoot = tVideoRootService.getById(id);
		if(tVideoRoot==null) {
			result.error500("未找到对应实体");
		}else {
			result.setResult(tVideoRoot);
			result.setSuccess(true);
		}
		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<TVideoRoot> queryWrapper = null;
      try {
          String paramsStr = request.getParameter("paramsStr");
          if (ConvertUtils.isNotEmpty(paramsStr)) {
              String deString = URLDecoder.decode(paramsStr, "UTF-8");
              TVideoRoot tVideoRoot = JSON.parseObject(deString, TVideoRoot.class);
              queryWrapper = QueryGenerator.initQueryWrapper(tVideoRoot, request.getParameterMap());
          }
      } catch (UnsupportedEncodingException e) {
          e.printStackTrace();
      }

      //Step.2 AutoPoi 导出Excel
      ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
      List<TVideoRoot> pageList = tVideoRootService.list(queryWrapper);
      //导出文件名称
      mv.addObject(NormalExcelConstants.FILE_NAME, "视频区域配置列表");
      mv.addObject(NormalExcelConstants.CLASS, TVideoRoot.class);
      mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("视频区域配置列表数据", "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<TVideoRoot> listTVideoRoots = ExcelImportUtil.importExcel(file.getInputStream(), TVideoRoot.class, params);
              tVideoRootService.saveBatch(listTVideoRoots);
              return Result.ok("文件导入成功！数据行数:" + listTVideoRoots.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！");
  }

}