package com.skua.modules.customvideo.controller;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.skua.aop.annotation.CustomExceptionAnno;
import com.skua.core.api.vo.Result;
import com.skua.core.aspect.annotation.AutoLog;
import com.skua.core.query.QueryGenerator;
import com.skua.core.service.ISequenceService;
import com.skua.modules.common.service.ICommonSqlService;
import com.skua.modules.customvideo.dto.CustomVideoMenuDTO;
import com.skua.modules.customvideo.entity.CustomVideoMenu;
import com.skua.modules.customvideo.service.ICustomVideoMenuService;
import com.skua.modules.customvideo.vo.CustomVideoMenuVO;
import com.skua.tool.util.BeanExtUtils;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.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.transaction.support.TransactionTemplate;
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.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 视频菜单表
 */
@Slf4j
@Api(tags = "视频菜单表")
@RestController
@RequestMapping("/customvideo/customVideoMenu")
public class CustomVideoMenuController {

    @Autowired
    private ICustomVideoMenuService customVideoMenuService;
    @Autowired
    private ICommonSqlService commonSqlService;
    @Autowired
    private TransactionTemplate transactionTemplate;
    @Autowired
    private ISequenceService sequenceService;

    private ThreadLocal<Integer> sortThreadLocal = new ThreadLocal<>();

    /**
     * 分页列表查询
     *
     * @return
     */
    @AutoLog(value = "视频菜单表-查询")
    @ApiOperation(value = "视频菜单表-查询", notes = "视频菜单表-查询")
    @CustomExceptionAnno(description = "视频菜单表")
    @GetMapping(value = "/list")
    public Result<List<CustomVideoMenuVO>> queryPageList() {
        Result<List<CustomVideoMenuVO>> result = new Result<>();
        QueryWrapper<CustomVideoMenu> queryWrapper = new QueryWrapper<>();
        queryWrapper.orderByAsc("sort");
        List<CustomVideoMenu> customVideoMenuList = customVideoMenuService.list(queryWrapper);
        List<CustomVideoMenuVO> voList = new ArrayList<>();
        getTree(voList, customVideoMenuList, null);
        result.setSuccess(true);
        result.setResult(voList);
        return result;
    }

    private void getTree(List<CustomVideoMenuVO> voList, List<CustomVideoMenu> entityList, CustomVideoMenuVO tmp) {
        for (CustomVideoMenu item : entityList) {
            String parentId = item.getParentId();
            CustomVideoMenuVO vo = new CustomVideoMenuVO(item);
            if (tmp == null && StringUtils.isEmpty(parentId)) {
                voList.add(vo);
                if (!vo.isLeaf()) {
                    getTree(voList, entityList, vo);
                }
            } else if (tmp != null && parentId != null && parentId.equals(tmp.getId())) {
                tmp.getChildren().add(vo);
                if (!vo.isLeaf()) {
                    getTree(voList, entityList, vo);
                }
            }
        }
    }

    /**
     * 添加
     *
     * @param customVideoMenuDTOList
     * @return
     */
    @AutoLog(value = "视频菜单表-批量添加")
    @ApiOperation(value = "视频菜单表-批量添加", notes = "视频菜单表-批量添加")
    @PostMapping(value = "/batchAdd")
    public Result<Object> batchAddCtrl(@RequestBody List<CustomVideoMenuDTO> customVideoMenuDTOList) throws Exception {
        Result<Object> result = new Result<>();
        List<CustomVideoMenu> customVideoMenuList = new ArrayList<>();
        sortThreadLocal.set(0);
        track(customVideoMenuDTOList, customVideoMenuList);
        List<CustomVideoMenu> allList = customVideoMenuService.list();
        List<String> allIds = allList.stream().map(CustomVideoMenu::getId).collect(Collectors.toList());
        List<String> curIds = customVideoMenuList.stream().map(CustomVideoMenu::getId).collect(Collectors.toList());
        allIds.removeAll(curIds);
        if (!allIds.isEmpty()) {
            transactionTemplate.execute(transactionStatus -> {
                customVideoMenuService.removeByIds(allIds);
                customVideoMenuService.saveOrUpdateBatch(customVideoMenuList);
                return 1;
            });
        } else {
            customVideoMenuService.saveOrUpdateBatch(customVideoMenuList);
        }
        result.setMessage("菜单批量添加成功");
        return result;
    }

    private void track(List<CustomVideoMenuDTO> customVideoMenuDTOList, List<CustomVideoMenu> customVideoMenuList) throws Exception {
        for (CustomVideoMenuDTO item : customVideoMenuDTOList) {
            CustomVideoMenu customVideoMenu = BeanExtUtils.bean2Bean(item, CustomVideoMenu.class);
            if (StringUtils.isBlank(customVideoMenu.getId())) {
                customVideoMenu.setId(sequenceService.nextId()+"");
            }
            int sort = sortThreadLocal.get() + 1;
            sortThreadLocal.set(sort);
            customVideoMenu.setSort(sort);
            customVideoMenuList.add(customVideoMenu);
            if (item.getChildren() != null) {
                item.getChildren().forEach(it -> it.setParentId(customVideoMenu.getId()));
                customVideoMenu.putIsLeaf(false);
                track(item.getChildren(), customVideoMenuList);
            }
        }
    }

    /**
     * 添加
     *
     * @param customVideoMenu
     * @return
     */
    @AutoLog(value = "视频菜单表-添加")
    @ApiOperation(value = "视频菜单表-添加", notes = "视频菜单表-添加")
    @PostMapping(value = "/add")
    public Result<CustomVideoMenu> add(@RequestBody CustomVideoMenu customVideoMenu) {
        Result<CustomVideoMenu> result = new Result<>();
        try {
            customVideoMenuService.save(customVideoMenu);
            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 customVideoMenu
     * @return
     */
    @AutoLog(value = "视频菜单表-编辑")
    @ApiOperation(value = "视频菜单表-编辑", notes = "视频菜单表-编辑")
    @PutMapping(value = "/edit")
    public Result<CustomVideoMenu> edit(@RequestBody CustomVideoMenu customVideoMenu) {
        Result<CustomVideoMenu> result = new Result<>();
        CustomVideoMenu customVideoMenuEntity = customVideoMenuService.getById(customVideoMenu.getId());
        if (customVideoMenuEntity == null) {
            result.error500("未找到对应实体");
        } else {
            boolean ok = customVideoMenuService.updateById(customVideoMenu);
            //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 = "视频菜单表-通过id删除")
    @ApiOperation(value = "视频菜单表-通过id删除", notes = "视频菜单表-通过id删除")
    @DeleteMapping(value = "/delete")
    public Result<?> delete(@RequestParam(name = "id") String id) {
        try {
            QueryWrapper<?> queryWrapper = new QueryWrapper<>()
                    .eq("parent_id", id);
            transactionTemplate.execute(transactionStatus -> {
                customVideoMenuService.removeById(id);
                commonSqlService.deleteWrapper("custom_video_menu", queryWrapper);
                return 1;
            });
        } 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 = "视频菜单表-批量删除")
    @ApiOperation(value = "视频菜单表-批量删除", notes = "视频菜单表-批量删除")
    @DeleteMapping(value = "/deleteBatch")
    public Result<CustomVideoMenu> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
        Result<CustomVideoMenu> result = new Result<CustomVideoMenu>();
        if (ids == null || "".equals(ids.trim())) {
            result.error500("参数不识别！");
        } else {
            this.customVideoMenuService.removeByIds(Arrays.asList(ids.split(",")));
            result.success("删除成功!");
        }
        return result;
    }

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

        //Step.2 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        List<CustomVideoMenu> pageList = customVideoMenuService.list(queryWrapper);
        //导出文件名称
        mv.addObject(NormalExcelConstants.FILE_NAME, "视频菜单表列表");
        mv.addObject(NormalExcelConstants.CLASS, CustomVideoMenu.class);
        mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("视频菜单表列表数据", "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<CustomVideoMenu> listCustomVideoMenus = ExcelImportUtil.importExcel(file.getInputStream(), CustomVideoMenu.class, params);
                customVideoMenuService.saveBatch(listCustomVideoMenus);
                return Result.ok("文件导入成功！数据行数:" + listCustomVideoMenus.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！");
    }

}