package com.skua.modules.emergency.controller;

import java.util.*;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.skua.core.api.vo.Result;
import com.skua.core.aspect.annotation.AutoLog;
import com.skua.core.query.QueryGenerator;
import com.skua.modules.emergency.entity.*;
import com.skua.modules.emergency.service.*;
import com.skua.modules.flow.business.service.FlowBusinessService;
import org.apache.commons.lang3.StringUtils;
import com.skua.modules.emergency.entity.EmergencyGoods;
import com.skua.modules.emergency.service.IEmergencyGoodsService;
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.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.util.CollectionUtils;
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;

/**
 * 应急物资
 *
 * @author 11389
 */
@Slf4j
@Api(tags = "应急物资")
@RestController
@RequestMapping("/emergency/emergencyGoods")
public class EmergencyGoodsController {
    @Autowired
    private IEmergencyGoodsService emergencyGoodsService;
    @Autowired
    private IEmergencyCartsService emergencyCartsService;
    @Autowired
    private FlowBusinessService flowBusinessService;
    @Autowired
    private IEmergencyEventsGoodsService emergencyEventsGoodsService;
    @Autowired
    private IEmergencyEventsService emergencyEventsService;
    @Autowired
    private IEmergencyEventsCartService emergencyEventsCartService;

    /**
     * 分页列表查询
     *
     * @param emergencyGoods
     * @param pageNo
     * @param pageSize
     * @param req
     * @return
     */
    @AutoLog(value = "应急物资-分页列表查询")
    @ApiOperation(value = "应急物资-分页列表查询", notes = "应急物资-分页列表查询")
    @GetMapping(value = "/list")
    public Result<IPage<EmergencyGoods>> queryPageList(EmergencyGoods emergencyGoods,
                                                       @RequestParam(name = "pageNo", defaultValue = "1") Integer pageNo,
                                                       @RequestParam(name = "pageSize", defaultValue = "10") Integer pageSize,
                                                       HttpServletRequest req) {
        Result<IPage<EmergencyGoods>> result = new Result<IPage<EmergencyGoods>>();
        QueryWrapper<EmergencyGoods> queryWrapper = QueryGenerator.initQueryWrapper(emergencyGoods, req.getParameterMap());
        Page<EmergencyGoods> page = new Page<EmergencyGoods>(pageNo, pageSize);
        queryWrapper.eq("del_flag", 1);
        String moduleType = emergencyGoods.getModuleType();
        if (StringUtils.isNotBlank(moduleType)) {
            queryWrapper.eq("module_type", moduleType);
        }
        IPage<EmergencyGoods> pageList = emergencyGoodsService.page(page, queryWrapper);
        List<EmergencyGoods> totalGoodsList = pageList.getRecords();
        //应急事件
//        QueryWrapper<EmergencyEvents> emergencyEventsQueryWrapper = new QueryWrapper<>();
//        emergencyEventsQueryWrapper.eq("module_type", moduleType).eq("del_flag", 1).isNotNull("process_instance_id");
//        List<EmergencyEvents> eventsList = emergencyEventsService.list(emergencyEventsQueryWrapper);
//        //待处理
//        List<EmergencyEvents> processEventsList = eventsList.stream().filter(events -> StringUtils.isNotBlank(events.getProcessInstanceId())).collect(Collectors.toList());
//        Set<String> processInstanceIdS = processEventsList.stream().map(events -> events.getProcessInstanceId()).collect(Collectors.toSet());
//        Map<String,Map<String, String>> processStateMap = flowBusinessService.getProcessState(processInstanceIdS);
//        for (EmergencyEvents events : eventsList) {
//            events.setProcessState(processStateMap.get(events.getProcessInstanceId()).getOrDefault("state", "pending"));
//        }
        //处理中事件
//        List<EmergencyEvents> unfinishedEvents = eventsList.stream().filter(events -> "unfinished".equals(events.getProcessState())).collect(Collectors.toList());
//        for (EmergencyGoods goodsMap : totalGoodsList) {
//            Integer inUseNum = 0;
//            if (!CollectionUtils.isEmpty(unfinishedEvents)) {
//                for (EmergencyEvents emergencyEvents : unfinishedEvents) {
//                    String eventId = emergencyEvents.getId();
//                    List<EmergencyEventsGoods> emergencyEventsGoods = emergencyEventsGoodsService.list(new QueryWrapper<EmergencyEventsGoods>().eq("event_id", eventId));
//                    if (!CollectionUtils.isEmpty(emergencyEventsGoods)) {
//                        for (EmergencyEventsGoods emergencyEventsGood : emergencyEventsGoods) {
//                            if (emergencyEventsGood.getGoodsId().equals(goodsMap.getId())) {
//                                inUseNum += emergencyEventsGood.getUseNum();
//                            }
//                        }
//                    }
//                }
//            }
//            Integer UsableNum = Integer.valueOf(goodsMap.getGoodsNum()) - inUseNum > 0 ? Integer.valueOf(goodsMap.getGoodsNum()) - inUseNum : 0;
//            goodsMap.setUsableNum(String.valueOf(UsableNum));
//        }
//        int useCartNum = 0;
//        if (!CollectionUtils.isEmpty(unfinishedEvents)) {
//            for (EmergencyEvents emergencyEvents : unfinishedEvents) {
//                String eventId = emergencyEvents.getId();
//                List<EmergencyEventsCart> emergencyEventsCarts = emergencyEventsCartService.list(new QueryWrapper<EmergencyEventsCart>().eq("event_id", eventId));
//                useCartNum += emergencyEventsCarts.size();
//            }
//        }
        pageList.setRecords(totalGoodsList);
        result.setSuccess(true);
        result.setResult(pageList);
        return result;
    }

    /**
     * 添加
     *
     * @param emergencyGoods
     * @return
     */
    @AutoLog(value = "应急物资-添加")
    @ApiOperation(value = "应急物资-添加", notes = "应急物资-添加")
    @PostMapping(value = "/add")
    public Result<EmergencyGoods> add(@RequestBody EmergencyGoods emergencyGoods) {
        Result<EmergencyGoods> result = new Result<EmergencyGoods>();
        try {
            //根据添加信息 查询现有物资信息
            QueryWrapper<EmergencyGoods> goodsQueryWrapper = new QueryWrapper<>();
            goodsQueryWrapper.eq("goods_name", emergencyGoods.getGoodsName()).eq("module_type", emergencyGoods.getModuleType());
            EmergencyGoods goods = emergencyGoodsService.getOne(goodsQueryWrapper, false);
            if (!ObjectUtils.isEmpty(goods)) {
                emergencyGoods.setGoodsNum(String.valueOf(Integer.valueOf(emergencyGoods.getGoodsNum()) +Integer.valueOf(goods.getGoodsNum())));
                emergencyGoods.setId(goods.getId());
                emergencyGoodsService.updateById(emergencyGoods);
                result.success("添加成功！");
                return result;
            }
            emergencyGoodsService.save(emergencyGoods);
            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 emergencyGoods
     * @return
     */
    @AutoLog(value = "应急物资-编辑")
    @ApiOperation(value = "应急物资-编辑", notes = "应急物资-编辑")
    @PutMapping(value = "/edit")
    public Result<EmergencyGoods> edit(@RequestBody EmergencyGoods emergencyGoods) {
        Result<EmergencyGoods> result = new Result<EmergencyGoods>();
        EmergencyGoods emergencyGoodsEntity = emergencyGoodsService.getById(emergencyGoods.getId());
        if (emergencyGoodsEntity == null) {
            result.error500("未找到对应实体");

        } else {
            List<EmergencyGoods> goods = emergencyGoodsService.list(new QueryWrapper<EmergencyGoods>().ne("id", emergencyGoods.getId()).eq("goods_name", emergencyGoods.getGoodsName()));
            if (goods.size() > 0) {
                result.error500("编辑名称与已有物资重复");
                return result;
            }
            boolean ok = emergencyGoodsService.updateById(emergencyGoods);
            //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 = "应急物资-通过id删除")
    @ApiOperation(value = "应急物资-通过id删除", notes = "应急物资-通过id删除")
    @DeleteMapping(value = "/delete")
    public Result<?> delete(@RequestParam(name = "id", required = true) String id) {
        Result result = new Result<>();
        try {
            EmergencyGoods emergencyGoods = emergencyGoodsService.getById(id);
            if (emergencyGoods == null) {
                result.success("数据不存在或已删除");
            } else {
                emergencyGoods.setDelFlag(0);
                emergencyGoodsService.updateById(emergencyGoods);
            }

        } 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 = "应急物资-批量删除")
    @ApiOperation(value = "应急物资-批量删除", notes = "应急物资-批量删除")
    @DeleteMapping(value = "/deleteBatch")
    public Result<EmergencyGoods> deleteBatch(@RequestParam(name = "ids", required = true) String ids) {
        Result<EmergencyGoods> result = new Result<EmergencyGoods>();
        if (ids == null || "".equals(ids.trim())) {
            result.error500("参数不识别！");
        } else {

            //设置查询条件
            QueryWrapper<EmergencyGoods> queryWrapper = new QueryWrapper<>();
            queryWrapper.in("id", Arrays.asList(ids.split(",")));
            //根据ID查询所有符合条件的数据
            List<EmergencyGoods> emergencyGoodsList = emergencyGoodsService.list(queryWrapper);

            //将所有的对象的isDelete字段设置为0，表示数据已删除
            emergencyGoodsList.forEach(obj -> obj.setDelFlag(0));

            emergencyGoodsService.updateBatchById(emergencyGoodsList);
            result.success("删除成功");
            this.emergencyGoodsService.removeByIds(Arrays.asList(ids.split(",")));
            result.success("删除成功!");
        }
        return result;
    }

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

        //Step.2 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        List<EmergencyGoods> pageList = emergencyGoodsService.list(queryWrapper);
        //导出文件名称
        mv.addObject(NormalExcelConstants.FILE_NAME, "应急物资列表");
        mv.addObject(NormalExcelConstants.CLASS, EmergencyGoods.class);
        mv.addObject(NormalExcelConstants.PARAMS, new ExportParams("应急物资列表数据", "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<EmergencyGoods> listemergencyGoodss = ExcelImportUtil.importExcel(file.getInputStream(), EmergencyGoods.class, params);
                emergencyGoodsService.saveBatch(listemergencyGoodss);
                return Result.ok("文件导入成功！数据行数:" + listemergencyGoodss.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！");
    }

    /**
     * @param req
     * @return
     */
    @AutoLog(value = "应急-应急物资使用频率")
    @ApiOperation(value = "应急-应急物资使用频率", notes = "应急-应急物资使用频率")
    @GetMapping(value = "/useFrequency")
    public Result useFrequency(
            HttpServletRequest req, EmergencyGoods emergencyGoods) {
        Result result = new Result<>();
        try {
            ArrayList<Object> resultList = new ArrayList<>();
            String moduleType = emergencyGoods.getModuleType();
            QueryWrapper<EmergencyGoods> emergencyGoodsQueryWrapper = new QueryWrapper<EmergencyGoods>()
                    .select("id,goods_type as goodsType,goods_name as goodsName,goods_unit as goodsUnit,'0'as num")
                    .eq("del_flag", 1).groupBy("goods_name");

            List<Map<String, Object>> totalGoodsList = emergencyGoodsService.listMaps(emergencyGoodsQueryWrapper);

//            QueryWrapper<EmergencyEvents> emergencyEventsQueryWrapper = new QueryWrapper<>();
//
//            emergencyEventsQueryWrapper.eq("module_type", moduleType).eq("del_flag", 1).isNotNull("process_instance_id");
//            List<EmergencyEvents> eventsList = emergencyEventsService.list(emergencyEventsQueryWrapper);
//            //待处理
//            List<EmergencyEvents> processEventsList = eventsList.stream().filter(events -> StringUtils.isNotBlank(events.getProcessInstanceId())).collect(Collectors.toList());
//            Set<String> processInstanceIdS = processEventsList.stream().map(events -> events.getProcessInstanceId()).collect(Collectors.toSet());
//            Map<String,Map<String, String>> processStateMap = flowBusinessService.getProcessState(processInstanceIdS);
//            for (EmergencyEvents events : eventsList) {
//                events.setProcessState(processStateMap.get(events.getProcessInstanceId()).getOrDefault("state", "pending"));
//            }
            //处理中事件
            //List<EmergencyEvents> unfinishedEvents = eventsList.stream().filter(events -> "unfinished".equals(events.getProcessState())).collect(Collectors.toList());
//            for (Map<String, Object> goodsMap : totalGoodsList) {
//                Double inUseNum = 0.0;
//                if (!CollectionUtils.isEmpty(eventsList)) {
//                    for (EmergencyEvents emergencyEvents : eventsList) {
//                        String eventId = emergencyEvents.getId();
//                        List<EmergencyEventsGoods> emergencyEventsGoods = emergencyEventsGoodsService.list(new QueryWrapper<EmergencyEventsGoods>().eq("event_id", eventId));
//                        if (!CollectionUtils.isEmpty(emergencyEventsGoods)) {
//                            for (EmergencyEventsGoods emergencyEventsGood : emergencyEventsGoods) {
//                                if (emergencyEventsGood.getGoodsId().equals(goodsMap.get("id"))) {
//                                    inUseNum ++;
//                                }
//                            }
//                        }
//                    }
//                }
//                goodsMap.put("num", inUseNum);
//            }


            QueryWrapper<EmergencyCarts> emergencyCartsQueryWrapper = new QueryWrapper<EmergencyCarts>().eq("module_type", moduleType).eq("del_flag", 1);
            int totalCarts = emergencyCartsService.count(emergencyCartsQueryWrapper);
            int useCartNum = 0;
//            if (!CollectionUtils.isEmpty(eventsList)) {
//                for (EmergencyEvents emergencyEvents : eventsList) {
//                    String eventId = emergencyEvents.getId();
//                    List<EmergencyEventsCart> emergencyEventsCarts = emergencyEventsCartService.list(new QueryWrapper<EmergencyEventsCart>().eq("event_id", eventId));
//                    if (emergencyEventsCarts.size()>0){
//                        useCartNum ++;
//                    }
//                }
//            }
            HashMap<String, Object> map = new HashMap<>();
            map.put("goodsType", "应急车辆");
            map.put("goodsName", "应急车辆");
            map.put("num", useCartNum);
            resultList.addAll(totalGoodsList);
            resultList.add(map);
            result.setSuccess(true);
            result.setResult(resultList);
        } catch (Exception e) {
            e.printStackTrace();
            log.error(e.getMessage(), e);
            result.error500("查询失败");
        }
        return result;
    }


}