package com.fdkankan.manage.service.impl;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.fdkankan.manage.common.ExcelErrorUtil;
import com.fdkankan.manage.common.ResultCode;
import com.fdkankan.manage.entity.AgentNew;
import com.fdkankan.manage.exception.BusinessException;
import com.fdkankan.manage.constant.CameraOutTypeEnum;
import com.fdkankan.manage.entity.Company;
import com.fdkankan.manage.service.IAgentNewService;
import com.fdkankan.manage.service.ICameraService;
import com.fdkankan.manage.service.ICompanyService;
import com.fdkankan.manage.service.IExcelService;
import com.fdkankan.manage.util.ExcelUtil;
import com.fdkankan.manage.vo.request.CameraInOutParam;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.constraints.Size;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * <p>
 * TODO
 * </p>
 *
 * @author dengsixing
 * @since 2022/6/6
 **/
@Service
@Slf4j
public class ExcelServiceImpl implements IExcelService {

    @Autowired
    ICompanyService companyService;
    @Autowired
    ICameraService cameraService;
    @Autowired
    IAgentNewService agentNewService;

    public void commonExport(HttpServletRequest request, HttpServletResponse response,String name,List<?> result,ExcelWriter excelWriter) throws Exception {
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        String fileName = name  + ".xlsx";
        fileName = URLEncoder.encode(fileName, "UTF-8");
        response.setHeader("Content-disposition", "attachment;filename=" + fileName);
        WriteSheet writeSheet = EasyExcel.writerSheet(name).build();
        excelWriter.write(result, writeSheet);
    }

    public void commonExport(HttpServletRequest request, HttpServletResponse response,String name,List<?> result,Class<?> clazz) throws Exception {
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        String fileName = name  + ".xlsx";
        fileName = URLEncoder.encode(fileName, "UTF-8");
        response.setHeader("Content-disposition", "attachment;filename=" + fileName);
        ExcelWriter excelWriter = null;
        try {
            excelWriter = EasyExcel.write(response.getOutputStream(), clazz).build();
            WriteSheet writeSheet = EasyExcel.writerSheet(name).build();
            excelWriter.write(result, writeSheet);
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            if(excelWriter != null){
                excelWriter.finish();
            }
        }
    }

    @Override
    public Integer uploadExcel(MultipartFile file, Integer type) {
        String originalFilename = file.getOriginalFilename();
        assert originalFilename != null;
        String fileType=originalFilename.substring(originalFilename.lastIndexOf(".")+1);
        if (!fileType.equalsIgnoreCase("xlsx")) {
            throw new BusinessException(ResultCode.FILE_TYPE_ERROR);
        }
        List<HashMap<Integer, String>> excelRowList = new ArrayList<>();
        try {
            excelRowList = ExcelUtil.getExcelRowList(file);
        }catch (Exception e){
            throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
        }
        List<String> wifiNameList = new ArrayList<>();
        List<CameraInOutParam> params = new ArrayList<>();
        List<CameraInOutParam> companyParams = new ArrayList<>();
        List<Integer> errorIndex = new ArrayList<>();
        Integer index = 0;
        for (HashMap<Integer, String> map : excelRowList) {
            index ++;
            if(type == 0){      //入库
                if(index == 0 && !map.get(0).equals("设备入库模板")){
                    throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
                }
                if(index <4){   //从第四行开始
                    continue;
                }
                String wifiName = map.get(0);
                if(StringUtils.isBlank(wifiName)){
                    errorIndex.add(index -3);
                }
                wifiNameList.add(wifiName);
            }else if(type == 1){    //出库
                if(index == 0 && !map.get(0).equals("设备出库模板")){
                    throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
                }
                if(index <4){
                    continue;
                }
                String snCode = map.get(0);
                String outTypeString = map.get(1);
                String companyName = map.get(2);
                String orderSn = map.get(3);
                String agentName = map.get(4);
                CameraOutTypeEnum outTypeEnum = CameraOutTypeEnum.getByMsg(outTypeString);
                if(outTypeEnum == null || StringUtils.isBlank(snCode)){
                    log.error("outError-->出库错误:出库类型为空或snCode为空:snCode:{},outType:{},companyName:{},orderSn:{},agentName:{}"
                            ,snCode,outTypeString,companyName,orderSn,agentName);
                    errorIndex.add(index -3);
                }
                CameraInOutParam param = new CameraInOutParam();
                if(outTypeEnum != null){
                    int outType = outTypeEnum.getCode();
                    param.setOutType(outType);
                }
                if(param.getOutType() != null && param.getOutType() == 4 && StringUtils.isBlank(agentName)){
                    log.error("outError-->出库错误:经销商为空错误:snCode:{},outType:{},companyName:{},orderSn:{},agentName:{}"
                            ,snCode,outTypeString,companyName,orderSn,agentName);
                    errorIndex.add(index -3);
                }
                if(param.getOutType() != null && param.getOutType() != 4 && StringUtils.isNotBlank(agentName)){
                    log.error("outError-->出库错误:出库类型错误:snCode:{},outType:{},companyName:{},orderSn:{},agentName:{}"
                            ,snCode,outTypeString,companyName,orderSn,agentName);
                    errorIndex.add(index -3);
                }
                if(StringUtils.isNotBlank(agentName)){
                    AgentNew agentNew = agentNewService.getByName(agentName);
                    if(agentNew == null){
                        log.error("outError-->出库错误:代理商不存在:snCode:{},outType:{},companyName:{},orderSn:{},agentName:{}"
                                ,snCode,outTypeString,companyName,orderSn,agentName);
                        errorIndex.add(index -3);
                    }else {
                        param.setAgentId(agentNew.getId());
                    }
                }
                param.setCompanyName(companyName);
                param.setOrderSn(orderSn);
                param.setSnCode(snCode);
                params.add(param);
            }else if(type == 2){   //关联客户
                if(index == 0 && !map.get(0).equals("客户关联模板")){
                    throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
                }
                if(index <4){
                    continue;
                }
                CameraInOutParam param = new CameraInOutParam();
                param.setCompanyName(map.get(0));
                param.setSnCode(map.get(1));
                if(StringUtils.isBlank(param.getSnCode()) || StringUtils.isBlank(param.getCompanyName())){
                    errorIndex.add(index -3 );
                }
                companyParams.add(param);
            }
        }
         this.toExcelError(errorIndex);

        if(type == 0 && wifiNameList.size() <=0){
            throw new BusinessException(ResultCode.IN_TEMPLATE_EMPTY);
        }else if(type == 1 && params.size() <=0){

            throw new BusinessException(ResultCode.OUT_TEMPLATE_EMPTY);
        }else if(type == 2 && companyParams.size() <=0){
            throw new BusinessException(ResultCode.COMPANY_TEMPLATE_EMPTY);
        }
        if(wifiNameList.size() >0){
            return cameraService.ins(wifiNameList);
        }
        if(params.size() >0){
            return cameraService.outs(params);
        }
        if(companyParams.size() >0){
            return cameraService.updateCompany(companyParams);
        }
        return 0;
    }

    @Override
    public void toExcelError(List<Integer> errorList) {
        String resultIn = ExcelErrorUtil.getResultIn(errorList);
        if(StringUtils.isNotBlank(resultIn)){
            throw new BusinessException(-1,resultIn);
        }
    }
}