package com.fdkankan.agent.service.impl;

import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.fdkankan.agent.common.ResultCode;
import com.fdkankan.agent.entity.AgentNewCamera;
import com.fdkankan.agent.entity.Camera;
import com.fdkankan.agent.entity.CameraDetail;
import com.fdkankan.agent.exception.BusinessException;
import com.fdkankan.agent.request.AuthModelingParam;
import com.fdkankan.agent.service.*;
import com.fdkankan.agent.util.ExcelErrorUtil;
import com.fdkankan.agent.util.ExcelUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.velocity.util.ArrayListWrapper;
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 java.io.InputStream;
import java.net.URLEncoder;
import java.util.*;

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

    @Autowired
    IAgentNewCameraService agentNewCameraService;
    @Autowired
    ICameraService cameraService;
    @Autowired
    ICameraDetailService cameraDetailService;
    @Autowired
    IAgentAuthorizeModelingService agentAuthorizeModelingService;

    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);
    }


    @Override
    public Integer uploadExcel(MultipartFile file, Integer agentId,Integer subAgentId) {
        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){
            log.info("uploadExcel-error:{}",e);
            throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
        }
        List<Integer> errorIndex = new ArrayList<>();
        List<String> snCodes = new ArrayList<>();
        List<Long> cameraIds = new ArrayList<>();
        Integer index = 0;
        for (HashMap<Integer, String> map : excelRowList) {
            index ++;
            if(map.isEmpty()){
                continue;
            }
            if(index == 0 && !map.get(0).equals("分销商设备清单")){
                throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
            }
            if(index <4){   //从第四行开始
                continue;
            }
            String snCode = map.get(0);
            if(StringUtils.isBlank(snCode)){
                errorIndex.add(index);
                continue;
            }
            if(StringUtils.isNotBlank(snCode)){
                Camera camera = cameraService.getBySnCode(snCode);
                if(camera == null){
                    errorIndex.add(index);
                    continue;
                }
                CameraDetail cameraDetail = cameraDetailService.getByCameraId(camera.getId());
                if(cameraDetail == null || cameraDetail.getAgentId() == null){
                    errorIndex.add(index);
                    continue;
                }
                if(!cameraDetail.getAgentId().equals(agentId)){
                    List<AgentNewCamera> bySubAgent = agentNewCameraService.getBySubAgent(camera.getId(), agentId);
                    if(bySubAgent.isEmpty()){
                        errorIndex.add(index);
                        continue;
                    }
                }

                cameraIds.add(camera.getId());
            }
            snCodes.add(snCode);
        }
        this.toExcelError(errorIndex);
        if(!cameraIds.isEmpty()){
            return agentNewCameraService.giveCameraBatch(cameraIds,agentId,subAgentId);
        }
        return 0;

    }

    @Override
    public Integer uploadAuthModelExcel(MultipartFile file, Integer agentId) {
        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<>();
        List<HashMap<Integer, String>> excelRowListTemplate = new ArrayList<>();
        try {
            excelRowList = ExcelUtil.getExcelRowList(file);
            InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("template/authModel.xlsx");
            excelRowListTemplate = ExcelUtil.getExcelRowList(inputStream);
        }catch (Exception e){
            log.info("uploadExcel-error:{}",e);
            throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
        }
        HashMap<Integer, String> mapt = excelRowListTemplate.get(0);
        HashMap<Integer, String> map1 = excelRowList.get(0);
        if(!mapt.equals(map1)){
            throw new BusinessException(ResultCode.TEMPLATE_TYPE_ERROR);
        }

        List<Integer> errorIndex = new ArrayList<>();
        List<AuthModelingParam> params = new ArrayList();
        Integer index = 0;
        for (HashMap<Integer, String> map : excelRowList) {
            index ++;
            if(map.isEmpty()){
                continue;
            }
            if(index <2){   //从第四行开始
                continue;
            }

            String authSn = map.get(0);
            String type = map.get(1);
            String createDate = map.get(2);
            String activated = map.get(3);
            String activateDate = map.get(4);
            String disabled = map.get(5);
            String transfer = map.get(6);
            String borrow = map.get(7);
            String startDate = map.get(8);
            String endDate = map.get(9);
            String expirationDay = map.get(10);
            if(StringUtils.isBlank(authSn) ){
                log.info("数据错误:{}",map);
                continue;
            }
            AuthModelingParam param = new AuthModelingParam();
            if(StringUtils.isNotBlank(activateDate) && StringUtils.isNotBlank(expirationDay)){
                try {
                    DateTime parse = DateUtil.parse(activateDate, "yyyy/MM/dd HH:mm:ss");
                    DateTime dateTime = DateUtil.offsetDay(parse, Integer.parseInt(expirationDay));
                    param.setStartTime(parse);
                    param.setEndTime(dateTime);
                }catch (Exception e){
                    log.info("解析激活时间错误:{},{}",activateDate,expirationDay);
                }

            }
            param.setAuthCode(authSn);
            param.setAgentId(agentId);
            params.add(param);

        }
        if(!params.isEmpty()){
            agentAuthorizeModelingService.addByParam(params);
        }
        this.toExcelError(errorIndex);
        return 0;
    }

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