package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.whyc.constant.UserOperation;
import com.whyc.dto.FileDirPath;
import com.whyc.dto.Response;
import com.whyc.dto.SoftDto;
import com.whyc.mapper.SoftcodeMapper;
import com.whyc.mapper.SoftwareMapper;
import com.whyc.pojo.Softcode;
import com.whyc.pojo.Software;
import com.whyc.util.ActionUtil;
import com.whyc.util.CommonUtil;
import com.whyc.util.DateUtil;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
import java.text.ParseException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;

@Service
public class SoftwareService {
    @Autowired(required = false)
    private SoftwareMapper mapper;

    @Autowired(required = false)
    private SoftcodeMapper codeMapper;

    @Autowired
    private DocLogService logService;

    public Response<Object> excelParse(InputStream inputStream) throws IOException, InvalidFormatException, ParseException {
        List<Software> softwareList = new LinkedList<>();

        Workbook workbook = null;
        workbook = WorkbookFactory.create(inputStream);
        inputStream.close();
        //取第一个sheet表
        Sheet sheet = workbook.getSheetAt(0);
        int lastRowNum = sheet.getLastRowNum();
        //校准lastRowNum
        for (int i = 8; i <= lastRowNum; i++) {
            if(sheet.getRow(i).getCell(1).getStringCellValue().equals("发布说明")){
                lastRowNum = i;
                break;
            }
        }
        //固定5列
        short cellNum = 5;
        //取固定部分值
        Software common = new Software();
        common.setFileName(sheet.getRow(2).getCell(2).getStringCellValue());
        Cell cellBoardNumber = sheet.getRow(3).getCell(2);
        if(cellBoardNumber != null){
            common.setBoardNumber(cellBoardNumber.getStringCellValue());
        }
        String typeStr = sheet.getRow(4).getCell(2).getStringCellValue();
        String[] typeArr = typeStr.split(" ");
        for (int i = 0; i < typeArr.length; i++) {
            //excel单元格中的✔对应字符
            if(typeArr[i].contains("þ")){
                common.setType(typeArr[i].replace("þ","").trim());
                break;
            }
        }
        //检验
        if(!common.getType().equals("应用软件")){
            if(common.getBoardNumber() == null){
                return new Response().set(1,false,"当是BootLoader 软件、操作系统软件（核心板）软件时，需填写PCB的规格型号");
            }
        }
        common.setVersion(sheet.getRow(5).getCell(2).getStringCellValue());
        common.setBasedVersion(sheet.getRow(5).getCell(4).getStringCellValue());

        common.setOwner(sheet.getRow(6).getCell(2).getStringCellValue());
        Cell cellFilingDate = sheet.getRow(6).getCell(4);
        if(cellFilingDate.getCellType() == Cell.CELL_TYPE_NUMERIC){
            Date dateCellValue = cellFilingDate.getDateCellValue();
            common.setFilingDate(DateUtil.YYYY_MM_DD.format(dateCellValue));
            System.out.println(dateCellValue);
        }else {
            cellFilingDate.setCellType(Cell.CELL_TYPE_STRING);
            common.setFilingDate(cellFilingDate.getStringCellValue());
        }
        //最后一行,取发布说明
        common.setReleaseNotes(sheet.getRow(lastRowNum).getCell(2).getStringCellValue());

        //第9行开始,倒数第2行截止
        int applyModelNum = lastRowNum + 1 - 9;
        for (int i = 0; i < applyModelNum; i++) {
            Software software = new Software();
            BeanUtils.copyProperties(common,software);
            //取第3列,第5列
            Cell cell = sheet.getRow(8 + i).getCell(2);
            cell.setCellType(Cell.CELL_TYPE_STRING);
            String stringCellValue = cell.getStringCellValue();
            if(!stringCellValue.equals("")) {
                int length = stringCellValue.length();
                if (length == 9) {
                    stringCellValue = "0" + stringCellValue;
                } else if (length < 9) {
                    int centerZeroNum = 10 - length - 1;
                    StringBuilder centerZeroStr = new StringBuilder();
                    for (int j = 0; j < centerZeroNum; j++) {
                        centerZeroStr.append("0");
                    }
                    String strFront = stringCellValue.substring(0, 3);
                    String strBehind = stringCellValue.substring(3);
                    stringCellValue = "0" + strFront + centerZeroStr + strBehind;
                }
            }
            software.setApplyMaterialCode(stringCellValue);
            software.setApplyModel(sheet.getRow(8+i).getCell(4).getStringCellValue());

            softwareList.add(software);
        }

        softwareList = softwareList.stream().filter(software -> !software.getApplyMaterialCode().equals("")).collect(Collectors.toList());

        return new Response().setII(1,true,softwareList,"文件解析成功");

    }
    //查询软件列表的信息
    public Response getAllSoftware(Integer lockFlag, String fileName, String applyMaterialCode, String applyModel, String owner, String boardNumber
            ,String version, int pageCurr, int pageSize) {
        PageHelper.startPage(pageCurr,pageSize);
        List<SoftDto> list=mapper.getFileUrl(lockFlag,fileName,applyMaterialCode,applyModel,owner,boardNumber,version);
        //根据软件名称查询是否存在源码（0：否，1：存在）
        for (SoftDto dto:list) {
            QueryWrapper wrapper=new QueryWrapper();
            wrapper.eq("file_name",dto.getFileName());
            wrapper.last("limit 1");
            Softcode code=codeMapper.selectOne(wrapper);
            if(code!=null){
                dto.setCodeFlag(1);
                dto.setCodeName(code.getCodeName());
            }else{
                dto.setCodeFlag(0);
                dto.setCodeName("");
            }
        }
        PageInfo pageInfo=new PageInfo(list);
        return new Response().setII(1,list.size()>0,pageInfo,"软件信息返回");
    }
    //根据subcode查询软件列表
    public Response getSoftBySubCode(String subCode) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("apply_material_code",subCode);
        wrapper.orderByAsc("version");
        List list=mapper.selectList(wrapper);
        return new Response().setII(1,list.size()>0,list,"软件信息返回");
    }

    
    //根据软件名称实现软件下载
    public void downLoadSoftware(HttpServletRequest req, HttpServletResponse resp, int id) {
        String fileDirName = FileDirPath.getFileDirName();
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("id",id);
        wrapper.last("limit 1");
        Software software=mapper.selectOne(wrapper);

        String filename=software.getFileUrl().substring(software.getFileUrl().lastIndexOf("\\")+1);
        try {
            // 转码防止乱码
            //resp.addHeader("Content-Disposition", "attachment;filename=" + new String(softwareName.getBytes("UTF-8"), "ISO8859-1"));
            resp.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode (filename, "utf-8"));
            OutputStream out = resp.getOutputStream();
            FileInputStream in = new FileInputStream(fileDirName+File.separator+software.getFileUrl());
            int len=0;
            byte[] buffer =new byte[1024];
            //7. 将缓冲区中的数据输出
            while ((len=in.read(buffer))>0){
                out.write(buffer,0,len);
            }
            in.close();
            out.close();
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //记录日志
        logService.recordOperationLogDownLoad(ActionUtil.getUser().getId(),ActionUtil.getUser().getName(), UserOperation.TYPE_DOWNLOAD_SOFWARE.getType(),new Date(),req.getRemoteAddr()
                ,filename,fileDirName+File.separator+software.getFileUrl(),"",String.valueOf(id),software.getVersion());

    }

    @Transactional
    public Response upload(MultipartFile file1, MultipartFile file2, String fontUpdateTime, List<Software> softwareList) throws IOException {
        String userName = ActionUtil.getUser().getName();
        String file1Name = file1.getOriginalFilename();
        String file2Name = file2.getOriginalFilename();
        Software software = softwareList.get(0);
        if(!software.getFileName().equals(file1Name.substring(0,file1Name.lastIndexOf(".")))){
            return new Response().set(1,false,"附件的文件名与软件发布记录excel内的文件名称不一致");
        }
        Software softExists = getByFilename(software.getFileName());
        if(softExists != null){ //文件名:规格型号_软件版本,已存在,不能重复上传;这种情况属于追加机型,别处更新
            return new Response().set(1,false,"文件名称("+softExists.getFileName()+")已存在,不能重复上传");
        }
        Date date = new Date();
        String dateUnion = DateUtil.YYYY_MM_DD_HH_MM_SS_UNION.format(date);
        //文件重命名(严格遵守名称规则的情况下不会重名)
        file1Name = file1Name.substring(0,file1Name.lastIndexOf(".")) + "_" + dateUnion +file1Name.substring(file1Name.lastIndexOf("."));
        file2Name = file2Name.substring(0,file2Name.lastIndexOf(".")) + "_" + dateUnion +file2Name.substring(file2Name.lastIndexOf("."));
        //存储路径
        String rootFile = CommonUtil.getRootFile();
        String softwareDir = rootFile + "software" + File.separator + software.getOwner()+ File.separator + software.getFileName();
        String softwareHttpUrl = softwareDir.substring(softwareDir.lastIndexOf("doc_file"+ File.separator + "software"));
        File softwareDirFile = new File(softwareDir);
        if(!softwareDirFile.exists()){
            softwareDirFile.mkdirs();
        }
        file1.transferTo(new File(softwareDir+File.separator+file1Name));
        file2.transferTo(new File(softwareDir+File.separator+file2Name));
        //设置路径
        for (Software software1:softwareList){
            software1.setFontUpdateTime(fontUpdateTime);
            software1.setFileUrl(softwareHttpUrl+File.separator+file1Name);
            software1.setExcelUrl(softwareHttpUrl+File.separator+file2Name);
            software1.setCreateTime(date);
            software1.setUploadUser(userName);
            //锁定-专供测试人员才能解锁
            software1.setLockFlag(-1);
        }
        /* 取消自动锁定原来版本,因为新版本需要进行测试才能使用
        //锁定原来的所有版本:根据版号和软件类型
        List<String> materialCodeList = softwareList.stream().map(Software::getApplyMaterialCode).collect(Collectors.toList());
        lockByBoardNumberAndTypeAndMaterialCode(software.getBoardNumber(),software.getType(),materialCodeList);*/
        //写入数据库
        insertBatch(softwareList);
        return new Response().set(1,true,"上传完成");
    }

    private void lockByBoardNumberAndTypeAndMaterialCode(String boardNumber, String type, List<String> materialCodeList) {
        UpdateWrapper<Software> update = Wrappers.update();
        update.set("lock_flag",1)
                .set("local_reason","软件版本升级")
                .eq("board_number",boardNumber)
                .eq("type",type)
                .ne("lock_flag",-1)
                .in("apply_material_code",materialCodeList);
        mapper.update(null,update);
    }

    private Software getByFilename(String fileName) {
        QueryWrapper<Software> query = Wrappers.query();
        query.eq("file_name",fileName).last(" limit 1");
        return mapper.selectOne(query);
    }

    private void insertBatch(List<Software> softwareList){
        mapper.insertBatchSomeColumn(softwareList);
    }

    @Transactional
    public Response updateApplyModel(MultipartFile multipartFile, List<Software> softwareList) throws IOException {
        String originalFilename = multipartFile.getOriginalFilename();
        Software software = softwareList.get(0);
        QueryWrapper<Software> query = Wrappers.query();
        query.eq("file_name", software.getFileName()).last(" limit 1");
        Software softwareDB = mapper.selectOne(query);
        if(softwareDB == null){
            return new Response().set(1,false,"对应的软件并未上传过,无法更新适用机型");
        }else{
            //写入新增的软件发布记录excel
            String rootFile = CommonUtil.getRootFile();
            String softwareDir = rootFile + "software" + File.separator + software.getOwner()+ File.separator + software.getFileName();
            String softwareHttpUrl = softwareDir.substring(softwareDir.lastIndexOf("doc_file"+ File.separator + "software"));
            multipartFile.transferTo(new File(softwareDir + File.separator + originalFilename));
            //先删除对应的适用机型,再新增适用机型记录
            UpdateWrapper<Software> update = Wrappers.update();
            update.eq("file_name",softwareDB.getFileName());
            mapper.delete(update);
            String fontUpdateTime = softwareDB.getFontUpdateTime();
            softwareList.forEach(software2 -> {
                software2.setFileUrl(softwareDB.getFileUrl());
                software2.setExcelUrl(softwareHttpUrl + File.separator + originalFilename);
                software2.setCreateTime(new Date());
                software2.setLockFlag(-1);
                software2.setFontUpdateTime(fontUpdateTime);
            });
            mapper.insertBatchSomeColumn(softwareList);

            return new Response().set(1,true,"更新完成");
        }
    }

    /**
     * 根据软件唯一值字段修改软件锁定状态,这里选取fileUrl
     *
     * @param fileUrl
     * @param lockFlagNow
     * @param lockFlag
     * @param localReason
     * @return
     */
    public Response updateSoftwareLock(String fileUrl, int lockFlagNow, int lockFlag, String localReason) {
        String userName = ActionUtil.getUser().getName();
        if(lockFlag ==0){
            //只有李桂华才能解锁 待测试锁定的软件
            QueryWrapper<Software> query = Wrappers.query();
            query.eq("file_url",fileUrl);
            List<Software> softwareListInDB = mapper.selectList(query);
            Software softwareInDB = softwareListInDB.get(0);
            if(softwareInDB.getLockFlag() == -1){
                //if(!userName.equals("李桂华")){
                //    return new Response().set(1,false,"无权限解锁 待测试的软件");
                //}else{
                    //锁定原来的所有版本:根据版号和软件类型,排除待测试版本
                    List<String> materialCodeList = softwareListInDB.stream().map(Software::getApplyMaterialCode).collect(Collectors.toList());
                    lockByBoardNumberAndTypeAndMaterialCode(softwareInDB.getBoardNumber(),softwareInDB.getType(),materialCodeList);

                //}
            }
        }
        UpdateWrapper uwrapper=new UpdateWrapper();
        uwrapper.set("lock_flag",lockFlag);
        uwrapper.set("local_reason",localReason);
        uwrapper.eq("file_url",fileUrl);
        uwrapper.eq("lock_flag",lockFlagNow);
        int flag=mapper.update(null,uwrapper);
        return new Response().set(1,flag>0,"锁定/解锁成功");
    }
    //根据软件名称实现软件删除
    public Response deleteSoftware(String fileName,String version) {
        UpdateWrapper wrapper=new UpdateWrapper();
        wrapper.eq("file_name",fileName);
        wrapper.eq("version",version);
        int flag=mapper.delete(wrapper);
        return new Response().set(1,flag>0,"件id实现软件删除");
    }

    //查询日期三天内的所有上传软件
    public Response getFileNameByCreateTime(String createTime) {
        //获取endtime的三天前的时间
        LocalDate createDay= LocalDate.parse(createTime);
        LocalDateTime end = createDay.atTime(LocalTime.MAX);
        Date endtime=Date.from(end.atZone(ZoneId.systemDefault()).toInstant());
        //获取createTime的三天前的时间
        LocalDate threeDaysAgo = createDay.minusDays(3);
        LocalDateTime startOfDay = threeDaysAgo.atStartOfDay();
        Date starttime=Date.from(startOfDay.atZone(ZoneId.systemDefault()).toInstant());

        QueryWrapper wrapper=new QueryWrapper();
        wrapper.select("distinct file_name","type","version","based_version","owner","filing_date","create_time");
        wrapper.ge("create_time",starttime);
        wrapper.le("create_time",endtime);
        List<Software> list=mapper.selectList(wrapper);
        //获取list中fileName的集合
        //List<String> nameList = list.stream().map(Software::getFileName).collect(Collectors.toList());
        return new Response().setII(1,list!=null,list,"查询日期三天内的所有上传软件");
    }
}