package com.consum.base.controller;

import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.stream.Collectors;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.compress.utils.Lists;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.ClassPathResource;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.consum.base.BaseController;
import com.consum.base.core.utils.CommonUtil;
import com.consum.base.core.utils.CurrencyUtil;
import com.consum.base.core.utils.PageUtil;
import com.consum.base.pojo.LWhFormOutputParam;
import com.consum.base.pojo.dto.GoodModelInfoDTO;
import com.consum.base.pojo.excel.OutputExcelTemplate;
import com.consum.base.pojo.query.LWhFormOutputQry;
import com.consum.base.pojo.response.FormOutputVO;
import com.consum.base.pojo.response.GoodsModelVO;
import com.consum.base.pojo.response.GoodsTemplateCountVO;
import com.consum.base.pojo.response.GoodsTemplateInfoVO;
import com.consum.base.pojo.response.LWhFormOutputExtendVO;
import com.consum.base.service.LWarehouseFlowService;
import com.consum.base.service.LWhFormOutputService;
import com.consum.base.service.LWhProcureModelService;
import com.consum.model.po.FinSysTenantUser;
import com.consum.model.po.LWhFormOutput;
import com.iplatform.model.po.S_user_core;
import com.walker.db.page.GenericPager;
import com.walker.infrastructure.utils.CollectionUtils;
import com.walker.infrastructure.utils.DateUtils;
import com.walker.web.ResponseValue;

import cn.afterturn.easypoi.excel.ExcelExportUtil;
import cn.afterturn.easypoi.excel.entity.TemplateExportParams;
import cn.hutool.core.util.ReflectUtil;


/**
 * @Description 出库单
 * @Author 卢庆阳
 * @Date 2023/10/27
 */
// @Api(value = "出库单", tags = "出库单")
@RestController
@RequestMapping("/pc/l/wh/form/output")
public class LWhFormOutputController extends BaseController {

    @Autowired
    private LWhFormOutputService lWhFormOutputService;
    @Autowired
    private LWhProcureModelService lWhProcureModelService;
    @Resource
    private LWarehouseFlowService lWarehouseFlowServiceImpl;

    /**
     * @Description 新增出库单
     * @Author 卢庆阳
     * @Date 2023/10/27
     */
    // @ApiOperation(value = "新增出库单", notes = "新增出库单")
//    @ApiImplicitParams({@ApiImplicitParam(name = "param", value = "出库单实体", dataType = "lWhFormOutputParam",
//        dataTypeClass = LWhFormOutputParam.class, paramType = "body")})
    @PostMapping("/add")
    public ResponseValue add() {
        LWhFormOutputParam param = CommonUtil.getObjFromReqBody(LWhFormOutputParam.class);
        S_user_core currentUser = this.getCurrentUser();
        if (currentUser == null) {
            return ResponseValue.error("登录用户信息不存在");
        }
        int result = this.lWhFormOutputService.add(param, currentUser, this.getSysInfo());
        if (result > 0) {
            return ResponseValue.success(1);
        }
        return ResponseValue.error("新增失败！");
    }

    /**
     * @Description 列表查询
     */
    // @ApiOperation(value = "列表查询", notes = "列表查询")
//    @ApiImplicitParam(name = "param", value = "出库单实体", required = true, dataType = "LWhFormOutputParam",
//        paramType = "query")
    @GetMapping("/list")
    public ResponseValue queryFormOutputList() {
        LWhFormOutputQry param = CommonUtil.getObjFromReq(LWhFormOutputQry.class);
        S_user_core currentUser = this.getCurrentUser();
        if (currentUser == null) {
            return ResponseValue.error("登录用户信息不存在");
        }
        /*当前登录人只能看到自己机构下的列表*/
        FinSysTenantUser sysInfo = this.getSysInfo();
        String tenantId = sysInfo.getTenantId();
        if (param.getAgencyId() == null) {
            param.setAgencyId(Long.valueOf(tenantId));
        }
        GenericPager genericPager = lWhFormOutputService.queryFormOutputList(param);
        List<LWhFormOutput> data = genericPager.getDatas();

        List<FormOutputVO> resultList = Lists.newArrayList();
        if (!CollectionUtils.isEmpty(data)) {
            data.forEach(item -> {
                FormOutputVO formOutputVO = new FormOutputVO();
                BeanUtils.copyProperties(item, formOutputVO);

                // 查询物品型号统计数量
                List<GoodsTemplateCountVO> goodsTemplateCount =
                    lWhProcureModelService.getGoodsTemplateCountByBusinessId(item.getId());
                formOutputVO.setFormOutputTemplateInfoList(goodsTemplateCount);

                resultList.add(formOutputVO);
            });
        }
        try {
            Field fieldDatas = GenericPager.class.getDeclaredField("datas");
            ReflectUtil.setFieldValue(genericPager, fieldDatas, resultList);
        } catch (Exception e) {
            logger.error("查询出库单列表失败", e);
        }
        return ResponseValue.success(genericPager);
    }

    /**
     * 根据id查询详情
     */
    // @ApiOperation(value = "根据id查询详情", notes = "根据id查询详情")
    // @ApiImplicitParam(name = "id", value = "出库单id", required = true, dataType = "Long", paramType = "query")
    @GetMapping("/detail")
    public ResponseValue getById(Long id) throws Exception {
        if (id == null) {
            return ResponseValue.error("出库单id为空");
        }
        LWhFormOutput lWhFormOutput = lWhFormOutputService.get(new LWhFormOutput(id));
        LWhFormOutputExtendVO lWhFormOutputExtendVO = new LWhFormOutputExtendVO();
        BeanUtils.copyProperties(lWhFormOutput, lWhFormOutputExtendVO);
        lWhFormOutputExtendVO.setDoc(lWhFormOutput.getOutputDoc());

        List<GoodModelInfoDTO> goodsModelList =
            lWhProcureModelService.getGoodsModelListByBusinessId(lWhFormOutputExtendVO.getId(), null);
        if (CollectionUtils.isEmpty(goodsModelList)) {
            return ResponseValue.success(lWhFormOutputExtendVO);
        }
        Map<Long, List<GoodModelInfoDTO>> collect =
            goodsModelList.stream().collect(Collectors.groupingBy(GoodModelInfoDTO::getBaseGoodsTemplateId));
        List<GoodsTemplateInfoVO> goodsTemplateInfoList = Lists.newArrayList();
        for (Map.Entry<Long, List<GoodModelInfoDTO>> entry : collect.entrySet()) {
            GoodsTemplateInfoVO goodsTemplateInfoVO = getFormOutputGoodsVO(entry);
            goodsTemplateInfoList.add(goodsTemplateInfoVO);
        }
        lWhFormOutputExtendVO.setFromOutputGoods(goodsTemplateInfoList);

        return ResponseValue.success("查询成功!", lWhFormOutputExtendVO);
    }

    private GoodsTemplateInfoVO getFormOutputGoodsVO(Entry<Long, List<GoodModelInfoDTO>> entry) {
        Long baseGoodsTemplateId = entry.getKey();
        List<GoodModelInfoDTO> goodModelInfoDTOS = entry.getValue();
        GoodModelInfoDTO goodModelInfoDTO = goodModelInfoDTOS.stream().findFirst().orElse(null);
        GoodsTemplateInfoVO goodsTemplateInfoVO = new GoodsTemplateInfoVO();
        if (goodModelInfoDTO != null) {
            goodsTemplateInfoVO.setId(baseGoodsTemplateId);
            goodsTemplateInfoVO.setCategoryName(goodModelInfoDTO.getCategoryName());
            goodsTemplateInfoVO.setGoodsName(goodModelInfoDTO.getBaseGoodsModelsName());
        }
        List<GoodsModelVO> goodsModelList = Lists.newArrayList();
        for (GoodModelInfoDTO goodModelInfo : goodModelInfoDTOS) {
            GoodsModelVO goodsModelVO = new GoodsModelVO();
            goodsModelVO.setId(goodModelInfo.getId());
            goodsModelVO.setBaseGoodsModelsName(goodModelInfo.getBaseGoodsModelsName());
            goodsModelVO.setUnit(goodModelInfo.getUnit());
            goodsModelVO.setCounts(goodModelInfo.getCounts());
            goodsModelVO.setTotalAmount(CurrencyUtil.convertFenToYuan(goodModelInfo.getTotalAmount()));
            goodsModelList.add(goodsModelVO);
        }
        goodsTemplateInfoVO.setModels(goodsModelList);
        return goodsTemplateInfoVO;
    }

    // @ApiOperation(value = "查询出库单详情明细", notes = "查询出库单详情明细")
//    @ApiImplicitParam(name = "formOutputQry", value = "出库单详情查询条件", required = true, dataType = "LWhFormOutputQry",
//        paramType = "query")
    @GetMapping("/detail/list")
    public ResponseValue queryFormOutputDetailList() {
        LWhFormOutputQry formOutputQry = CommonUtil.getObjFromReq(LWhFormOutputQry.class);
        FinSysTenantUser currentUser = this.getSysInfo();
        if (currentUser == null) {
            return ResponseValue.error("登录用户信息不存在");
        }
        formOutputQry.setAgencyId(Long.valueOf(currentUser.getTenantId()));
        PageUtil genericPager = lWarehouseFlowServiceImpl.queryAllBusinessFlow(formOutputQry);
        return ResponseValue.success(genericPager);
    }

    // @ApiOperation(value = "出库单导出", notes = "出库单导出")
    // @ApiImplicitParam(name = "id", value = "出库单id", required = true, dataType = "Long", paramType = "query")
    @GetMapping("/list/export")
    public ResponseValue export(Long id, HttpServletResponse response) throws Exception {
        FinSysTenantUser sysInfo = this.getSysInfo();
        if (sysInfo == null) {
            throw new RuntimeException("登录用户信息不存在");
        }
        ClassPathResource classPathResource = new ClassPathResource("import/出库单.xls");
        // 获取文件输入流
        InputStream inputStream = classPathResource.getInputStream();
        Workbook wb = new HSSFWorkbook(inputStream);
        TemplateExportParams params = new TemplateExportParams();
        params.setTemplateWb(wb);
        params.setHeadingStartRow(2);

        List<OutputExcelTemplate> exportList = lWhFormOutputService.getExportList(id);

        if (CollectionUtils.isEmpty(exportList)) {
            throw new RuntimeException("数据为空");
        }
        int countNum =
            exportList.stream().filter(item -> item.getNum() != null).mapToInt(OutputExcelTemplate::getNum).sum();
        double totalAmount = exportList.stream().filter(item -> item.getTotalAmount() != null)
            .mapToDouble(OutputExcelTemplate::getAmount).sum();
        Optional<OutputExcelTemplate> first = exportList.stream().findFirst();
        OutputExcelTemplate templateExcelExport = first.get();
        String businessFormCode = templateExcelExport.getBusinessFormCode();
        Long createTime = templateExcelExport.getCreateTime();
        String operatorName = templateExcelExport.getOperatorName();

        Map<String, Object> map = new HashMap<>();
        map.put("code", businessFormCode);
        map.put("date", DateUtils.toShowDate(createTime));
        map.put("name", operatorName);
        map.put("countNum", countNum);
        map.put("totalAmount", totalAmount);

        Workbook workbook = ExcelExportUtil.exportExcel(params, OutputExcelTemplate.class, exportList, map);
        String filePath = downLoadExcel("出库单", workbook);
        return ResponseValue.success("导出成功", filePath);

    }

}