package com.vci.web.service.impl;

import com.vci.corba.common.PLException;
import com.vci.corba.omd.stm.StatePool;
import com.vci.dto.OsStatusDTO;
import com.vci.model.OsStatusDO;
import com.vci.pagemodel.OsStatusVO;
import com.vci.po.OsStatusPO;
import com.vci.starter.poi.bo.ReadExcelOption;
import com.vci.starter.poi.bo.WriteExcelData;
import com.vci.starter.poi.bo.WriteExcelOption;
import com.vci.starter.poi.constant.ExcelLangCodeConstant;
import com.vci.starter.poi.util.ExcelUtil;
import com.vci.starter.web.annotation.log.VciUnLog;
import com.vci.starter.web.exception.VciBaseException;
import com.vci.starter.web.pagemodel.BaseQueryObject;
import com.vci.starter.web.pagemodel.BaseResult;
import com.vci.starter.web.pagemodel.DataGrid;
import com.vci.starter.web.pagemodel.PageHelper;
import com.vci.starter.web.util.*;
import com.vci.starter.web.util.Lcm.Func;
import com.vci.web.service.OsLifeCycleServiceI;
import com.vci.web.service.OsStatusServiceI;
import com.vci.web.service.WebBoServiceI;
import com.vci.web.util.PlatformClientUtil;
import com.vci.web.util.WebUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.util.HSSFColor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.io.File;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;

import static com.vci.constant.FrameWorkBusLangCodeConstant.DATA_OID_NOT_EXIST;


/**
 * 状态的服务
 * @author weidy
 * @date 2021-2-14
 */
@Service
public class OsStatusServiceImpl implements OsStatusServiceI {

    /**
     * 日志
     */
    private Logger logger = LoggerFactory.getLogger(getClass());

    /**
     * 平台的客户端
     */
    @Autowired
    private PlatformClientUtil platformClientUtil;

    /**
     * 业务
     */
    @Autowired
    private WebBoServiceI boService;

    /**
     * 生命周期的服务
     */
    @Autowired(required = false)
    @Lazy
    private OsLifeCycleServiceI lifeCycleService;

    /**
     *  必填列
     */
    private List<Integer> ColumnNameisRed = new ArrayList<Integer>();

    /**
     * 加载自身
     */
    @Autowired(required = false)
    @Lazy
    private OsStatusServiceI self;

    /**
     * 数据对象转换为显示对象
     *
     * @param statePool 状态池的数据对象
     * @return 显示对象
     */
    @Override
    public OsStatusVO statusDO2VO(StatePool statePool) {
        OsStatusVO statusVO = new OsStatusVO();
        if(statePool!=null){
            statusVO.setOid(statePool.oid);
            statusVO.setCreator(statePool.creator);
            statusVO.setImagePath(statePool.imagePath);
            statusVO.setLastModifier(statePool.modifier);
            try {
                statusVO.setCreateTime(new Date(statePool.createTime));
                statusVO.setLastModifyTime(new Date(statePool.modifyTime));
                statusVO.setTs(VciDateUtil.str2Date(statePool.ts,VciDateUtil.DateTimeMillFormat));
            } catch (Exception e) {
                e.printStackTrace();
            }
            statusVO.setDescription(statePool.description);
            statusVO.setId(statePool.name);
            statusVO.setName(statePool.tag);
        }
        return statusVO;
    }

    /**
     * 数据对象转换为显示对象
     *
     * @param statePools 状态池的数据对象 集合
     * @return 显示对象
     */
    @Override
    public List<OsStatusVO> statusDO2VOs(Collection<StatePool> statePools) {
        List<OsStatusVO> statusVOS = new ArrayList<>();
        if(!CollectionUtils.isEmpty(statePools)){
            statePools.stream().forEach(statePool -> {
                OsStatusVO statusVO = statusDO2VO(statePool);
                statusVOS.add(statusVO);
            });
        }
        return statusVOS;
    }

    /**
     * 查询所有的状态
     *
     * @return 状态的显示对象
     */
    @Override
    @VciUnLog
    public List<OsStatusVO> selectAllStatus() {
        try {
            return statusDO2VOs(Arrays.stream(platformClientUtil.getStatePoolService().getStatePools()).collect(Collectors.toList()));
        } catch (PLException vciError) {
            throw WebUtil.getVciBaseException(vciError);
        }
    }

    /**
     * 清除缓存
     */
    @Override
    public void clearCache(){
        //
    }

    /**
     * 查询全部的状态映射
     * @return key是状态的英文名称
     */
    @Override
    @VciUnLog
    public Map<String,OsStatusVO> selectAllStatusMap(){
        return Optional.ofNullable(self.selectAllStatus()).orElseGet(()->new ArrayList<>()).stream().collect(Collectors.toMap(s->s.getId(),t->t,(o1,o2)->o1));
    }

    /**
     * 状态转换为显示文本
     *
     * @param status 状态
     * @return 显示文本
     */
    @Override
    public String getStatusTextByValue(String status) {
        if(StringUtils.isBlank(status)){
            return "";
        }
        return self.selectAllStatusMap().getOrDefault(status,new OsStatusVO()).getName();
    }

    /**
     * 批量添加状态
     *
     * @param statePoolList 状态内容
     */
    @Override
    public boolean batchAddStatus(List<StatePool> statePoolList) throws Exception{
        if(!CollectionUtils.isEmpty(statePoolList)){
            for(StatePool statePool : statePoolList) {
                try {
                    platformClientUtil.getStatePoolService().addStatePool(statePool);
                } catch (PLException e) {
                    throw WebUtil.getVciBaseException(e);
                }
            }
            return true;
        }
        return false;
    }

    /**
     * 批量修改状态
     * @param statePoolList 状态内容
     */
    @Override
    public boolean batchEditSave(List<StatePool> statePoolList) {
        if(!CollectionUtils.isEmpty(statePoolList)){
            for(StatePool statePool : statePoolList) {
                try {
                    platformClientUtil.getStatePoolService().modifyStatePool(statePool);
                } catch (PLException e) {
                    throw WebUtil.getVciBaseException(e);
                }
            }
        }
        return true;
    }

    /**
     * 状态列表
     *
     * @param conditionMap 查询对象
     * @param pageHelper   分页列表
     * @return 显示对象
     */
    @Override
    public DataGrid<OsStatusVO> gridStatus(Map<String, String> conditionMap, PageHelper pageHelper) {
        BaseQueryObject baseQueryObject = new BaseQueryObject();
        baseQueryObject.setConditionMap(conditionMap);
        if (pageHelper == null) {
            pageHelper = new PageHelper(-1);
        }
        baseQueryObject.setPage(pageHelper.getPage());
        baseQueryObject.setLimit(pageHelper.getLimit());
        baseQueryObject.setOrder(pageHelper.getOrder());
        baseQueryObject.setSort(pageHelper.getSort());

        return gridObject(baseQueryObject, OsStatusDO.class,self.selectAllStatusMap(),OsStatusVO.class);
    }

    /**
     * 使用主键获取显示对象
     *
     * @param oid 主键
     * @return 状态的显示对象
     */
    @Override
    public OsStatusVO getObjectByOid(String oid) {
        List<OsStatusVO> statusVOList = self.selectAllStatusMap().values().stream().filter(status -> status.getOid().equalsIgnoreCase(oid)).collect(Collectors.toList());
        if(CollectionUtils.isEmpty(statusVOList)){
            throw new VciBaseException(DATA_OID_NOT_EXIST);
        }
        return statusVOList.get(0);
    }

    /**
     * 使用主键集合查询
     * @param oidCollection 主键集合
     * @return 状态的内容
     */
    @Override
    public List<OsStatusVO> selectByOidCollection(Collection<String> oidCollection){
        List<OsStatusVO> statusVOList = self.selectAllStatus().stream().filter(status -> oidCollection.contains(status.getOid())).collect(Collectors.toList());
        if(CollectionUtils.isEmpty(statusVOList)){
            throw new VciBaseException(DATA_OID_NOT_EXIST);
        }
        return statusVOList;
    }

    /**
     * 添加状态
     *
     * @param statusDTO 状态的数据传输对象
     */
    @Override
    public boolean addSave(OsStatusDTO statusDTO) throws Exception {
        VciBaseUtil.alertNotNull(
            statusDTO,"状态的信息",
            statusDTO.getId(),"状态的英文名称"
        );
        if (statusDTO.getId().length()>50) {
            throw new PLException("500",new String[]{"状态英文名称不能超过50个字符！"});
        }
        // 状态池名称只能为英文字母
        String regex = "[a-z A-Z]*";
        if (!statusDTO.getId().matches(regex)) {
            throw new PLException("500",new String[]{"名称只能为英文！"});
        }
        StatePool dbStatePool = platformClientUtil.getStatePoolService().getStatePool(statusDTO.getId());
        if (Func.isNotEmpty(dbStatePool) && Func.isNotBlank(dbStatePool.oid)) {
            throw new PLException("500",new String[]{"名称重复请更换名称！"});
        }
        //虽然会自动生成oid，但是这儿设置主键，避免放入缓存的数据是没有oid的
        statusDTO.setOid(VciBaseUtil.getPk().toUpperCase(Locale.ROOT));
        try {
            boolean res = batchAddStatus(Arrays.asList(statusDTO2DO(statusDTO)));
            self.selectAllStatusMap();
            return res;
        }catch (Exception e){
            e.printStackTrace();
            logger.error(e.getMessage());
            return false;
        }
    }

    /**
     * 编辑状态
     * @param statusDTO 状态的数据传输对象
     */
    @Override
    public boolean editSave(OsStatusDTO statusDTO) throws Exception {
        VciBaseUtil.alertNotNull(statusDTO,"状态的信息",
                statusDTO.getId(),"状态的英文名称",
                statusDTO.getName(),"状态的中文名称",
                statusDTO.getOid(),"主键");
        OsStatusVO statusVO = getObjectByOid(statusDTO.getOid());
        if(Func.isEmpty(statusVO) || Func.isBlank(statusVO.getOid())){
            throw new PLException("500",new String[]{"修改的状态对象不存在！"});
        }
        StatePool pool = statusDTO2DO(statusDTO);
        pool.creator = statusVO.getCreator();
        pool.createTime = VciDateUtil.getTime(statusVO.getCreateTime());
        try {
            boolean res = batchEditSave(Arrays.asList(pool));
            self.selectAllStatusMap();
            return res;
        }catch (Exception e){
            e.printStackTrace();
            logger.error(e.getMessage());
            return false;
        }
    }

    /**
     * 删除状态
     * @param osStatusDTOS
     */
    @Override
    public boolean deleteStatus(List<OsStatusDTO> osStatusDTOS) throws PLException {
        VciBaseUtil.alertNotNull(osStatusDTOS,"待删除的属性列表");
        Set<String> oids = osStatusDTOS.stream().map(OsStatusDTO::getOid).collect(Collectors.toSet());
        List<OsStatusVO> osStatusVOList = selectByOidCollection(oids);
        //判断枚举是否有被引用
        if(osStatusVOList.stream().anyMatch(statusVO -> lifeCycleService.checkStatusUsed(statusVO))){
            throw new VciBaseException("状态在生命周期中被使用，不能删除");
        }
        //平台的deleteStatus方法必传三个参数，oid、name和ts
        List<StatePool> statePoolList = new ArrayList<>();
        for(OsStatusDTO statusDTO : osStatusDTOS){
            //oid和ts判空
            String oid = statusDTO.getOid();
            //id主要用来对缓存数据删除
            String id = statusDTO.getId();
            //后台会用ts进行数据一致性校验
            Date ts = statusDTO.getTs();
            if(Func.isBlank(oid) || Func.isBlank(id) || Func.isEmpty(ts)){
                throw new PLException("500",new String[]{"待删除的状态列表中主键【oid】、调整时间【ts】、状态名称【name】不能为空！"});
            }
            StatePool statePool = new StatePool();
            statePool.oid = oid;
            statePool.name = id;
            statePool.ts = Func.format(ts,VciDateUtil.DateTimeMillFormat);
            statePoolList.add(statePool);
        }
        boolean res = platformClientUtil.getStatePoolService().deleteStatePools(statePoolList.toArray(new StatePool[statePoolList.size()]));
        //clearCache();
        self.selectAllStatusMap();
        return res;
    }

    /**
     * 状态的数据传输对象转换为数据对象
     * @param statusDTO 数据传输对象
     * @return 平台的数据对象
     */
    @Override
    public StatePool statusDTO2DO(OsStatusDTO statusDTO){
        StatePool statePool = new StatePool();
        statePool.oid = statusDTO.getOid();
        statePool.id = "";
        statePool.name = statusDTO.getId();
        //statePool.imagePath = statusDTO.getImagePath();
        statePool.description = statusDTO.getDescription()==null?"":statusDTO.getDescription();
        String userId = WebThreadLocalUtil.getCurrentUserSessionInfoInThread().getUserId();
        long now = VciDateUtil.getNowTime();
        statePool.creator = Func.isBlank(statusDTO.getCreator()) ? userId:statusDTO.getCreator();
        statePool.createTime = now;
        statePool.modifier = userId;
        statePool.modifyTime = now;
        statePool.ts = statusDTO.getTs()==null?VciDateUtil.getNowString(VciDateUtil.DateTimeMillFormat):VciDateUtil.date2Str(statusDTO.getTs(),VciDateUtil.DateTimeMillFormat);
        statePool.tag = statusDTO.getName();
        return statePool;
    }

    /**
     * 导出选中的状态
     * @param exportFileName 导出的文件名
     * @param statusOids 需要导出的属性名称
     * @return
     */
    @Override
    public String exportStatus(String exportFileName, String statusOids,boolean flag/*控制导出的列名是否和导入模板一致*/) throws PLException {
        if(Func.isBlank(statusOids)){
            throw new PLException("500",new String[]{"请勾选要导出的属性!"});
        }
        //界面没传名称，使用默认导出名称
        exportFileName = Func.isBlank(exportFileName) ?  "状态池状态导出_" + Func.format(new Date(),"yyyy-MM-dd HHmmss.sss"):exportFileName;
        //设置列名
        List<String> columns = this.getCloumns(flag);

        //写excel
        String excelPath = LocalFileUtil.getDefaultTempFolder() + File.separator + exportFileName +  ".xls";
        try {
            new File(excelPath).createNewFile();
        } catch (Throwable e) {
            throw new VciBaseException(LangBaseUtil.getErrorMsg(e), new String[]{excelPath}, e);
        }
        //设置列
        List<WriteExcelData> excelDataList = new ArrayList<>();
        //设置列头
        for (int index = 0; index < columns.size(); index++) {
            excelDataList.add(new WriteExcelData(0,index, columns.get(index)));
        }
        //按照属性名查询属性，然后处理属性导出
        List<String> statusOidList = Func.toStrList(statusOids);
        AtomicInteger i = new AtomicInteger(1);
        statusOidList.stream().forEach(oid->{
            OsStatusVO osStatusVO = this.getObjectByOid(oid);
            excelDataList.add(new WriteExcelData(i.get(),0, osStatusVO.getId()));
            excelDataList.add(new WriteExcelData(i.get(),1, osStatusVO.getName()));
            //excelDataList.add(new WriteExcelData(i.get(),2, osStatusVO.getImagePath()));
            excelDataList.add(new WriteExcelData(i.get(),3, osStatusVO.getDescription()));
            i.getAndIncrement();
        });
        WriteExcelOption excelOption = new WriteExcelOption(excelDataList);
        ExcelUtil.writeDataToFile(excelPath, excelOption);
        return excelPath;
    }

    /**
     * 下载状态导入模板
     * @param exportFileName
     * @return
     * @throws PLException
     */
    @Override
    public String downloadStatusTemplate(String exportFileName) throws Exception {
        //界面没传名称，使用默认导出名称
        exportFileName = Func.isBlank(exportFileName) ?  "状态池导入模板_" + Func.format(new Date(),"yyyy-MM-dd HHmmss.sss"):exportFileName;
        //设置列名
        List<String> columns = this.getCloumns(true);
        //设置必填列
        ColumnNameisRed.clear();
        ColumnNameisRed.add(0);

        //写excel
        String excelPath = LocalFileUtil.getDefaultTempFolder() + File.separator + exportFileName +  ".xls";
        try {
            new File(excelPath).createNewFile();
        } catch (Throwable e) {
            throw new VciBaseException(LangBaseUtil.getErrorMsg(e), new String[]{excelPath}, e);
        }
        //设置列
        List<WriteExcelData> excelDataList = new ArrayList<>();
        //设置列头
        for (int index = 0; index < columns.size(); index++) {
            //判断是否为必填列，给必填列设置颜色
            if(ColumnNameisRed.contains(index)){
                WriteExcelData excelData = new WriteExcelData(0, index, columns.get(index));
                excelData.setFontColor(String.valueOf(HSSFColor.HSSFColorPredefined.RED.getIndex()));
                excelDataList.add(excelData);
            }else{
                excelDataList.add(new WriteExcelData(0,index, columns.get(index)));
            }
        }
        WriteExcelOption excelOption = new WriteExcelOption(excelDataList);
        ExcelUtil.writeDataToFile(excelPath, excelOption);
        return excelPath;
    }

    /**
     * 获取导出或导入模板的列名
     * @param flag 是否获取导入模板列名
     * @return
     */
    private List<String> getCloumns(boolean flag){
        if(flag){
            return new ArrayList<>(
                    Arrays.asList("名称(不能为空)", "标签(对名称的解释)"/*,"图片(路径)"*/, "描述(可以为空)")
            );
        }
        return new ArrayList<>(Arrays.asList("名称", "标签"/*, "图片"*/, "描述"));
    }

    /**
     * 导入状态
     * @param file
     * @return
     */
    @Override
    public BaseResult importStatus(File file) throws Exception {
        VciBaseUtil.alertNotNull(file,"excel文件");
        if(!file.exists()){
            throw new VciBaseException("导入的excel文件不存在,{0}",new String[]{file.getPath()});
        }
        try{
            //1、读取excel中的数据，组成对象
            ReadExcelOption excelOption = new ReadExcelOption();
            List<OsStatusPO> poList = ExcelUtil.readDataObjectFromExcel(file, OsStatusPO.class,excelOption,(value, po, fieldName)->{});
            //去除都是空的情况
            if(CollectionUtils.isEmpty(poList)){
                return BaseResult.fail(ExcelLangCodeConstant.IMPORT_CONTENT_NULL,new String[]{});
            }
            //excel判重，数据校验，dto对象转换，存储对象转换，执行保存
            List<StatePool> statePoolList = new ArrayList<>();
            //当前excel中是否重复用的判重Map:（key：判重属性，value：行号）
            Map<String, String> excelReapeat = new HashMap<>();
            poList.stream().forEach(osStatusPO -> {
                try {
                    StatePool dbStatePool = platformClientUtil.getStatePoolService().getStatePool(osStatusPO.getId());
                    if(Func.isNotEmpty(dbStatePool) && Func.isNotBlank(dbStatePool.oid)){
                        throw new VciBaseException("第【"+osStatusPO.getRowIndex()+"】行，名称在系统中已经存在,请修改!");
                    }
                } catch (PLException e) {
                    e.printStackTrace();
                    logger.error(e.getMessage());
                    throw new VciBaseException(VciBaseUtil.getExceptionMessage(e));
                }
                if(Func.isBlank(osStatusPO.getId())){//状态名判空
                    throw new VciBaseException("第【"+osStatusPO.getRowIndex()+"】行，statusnameerror");
                }else if(!osStatusPO.getId().matches("[a-z A-Z]*")){
                    // 状态池名称只能为英文字母
                    throw new VciBaseException("名称只能为英文！");
                }else if(excelReapeat.containsKey(osStatusPO.getId())){//状态名表格中判重
                    throw new VciBaseException("第【"+excelReapeat.get(osStatusPO.getId())+"】行和第【"+osStatusPO.getRowIndex()+"】行数据，名称重复");
                }
                //状态名excel中判重处理
                excelReapeat.put(osStatusPO.getId(),osStatusPO.getRowIndex());
                OsStatusDTO osStatusDTO = new OsStatusDTO();
                osStatusDTO.setOid(VciBaseUtil.getPk().toUpperCase(Locale.ROOT));
                osStatusDTO.setId(osStatusPO.getId());
                osStatusDTO.setName(osStatusPO.getName());
                //osStatusDTO.setImagePath(osStatusPO.getImagePath());
                osStatusDTO.setDescription(osStatusPO.getDescription());
                statePoolList.add(statusDTO2DO(osStatusDTO));

            });
            //执行保存操作
            batchAddStatus(statePoolList);
        }catch (Exception e){
            if(logger.isErrorEnabled()){
                logger.error("读取excel内容时或保存用户信息时出现了错误，具体原因：",VciBaseUtil.getExceptionMessage(e));
            }
            e.printStackTrace();
            return BaseResult.fail(VciBaseUtil.getExceptionMessage(e),new String[]{},e);
        }
        return BaseResult.success("状态导入成功！");
    }

    /**
     * 状态的显示对象转换为DO对象
     * @param statusVO 显示对象
     * @return 数据对象
     */
    public StatePool statusVO2DO(OsStatusVO statusVO){
        StatePool statePool = new StatePool();
        statePool.oid = statusVO.getOid();
        statePool.id = "";
        statePool.name = statusVO.getId();
        statePool.description = statusVO.getDescription()==null?"":statusVO.getDescription();
        String userId = VciBaseUtil.getCurrentUserId();
        String now = VciDateUtil.getNowString(VciDateUtil.DateTimeMillFormat);
        statePool.creator = statusVO.getCreator();
        statePool.createTime = VciDateUtil.getTime(statusVO.getCreateTime());
        statePool.modifier = statusVO.getLastModifier();
        statePool.modifyTime = VciDateUtil.getTime(statusVO.getLastModifyTime());
        statePool.ts = statusVO.getTs()==null?now:VciDateUtil.date2Str(statusVO.getTs(),VciDateUtil.DateTimeMillFormat);
        statePool.tag = statusVO.getName();
        return statePool;
    }

}