package com.jsh.erp.service.accountHead;

import com.alibaba.fastjson.JSONObject;
import com.jsh.erp.constants.BusinessConstants;
import com.jsh.erp.constants.ExceptionConstants;
import com.jsh.erp.datasource.entities.*;
import com.jsh.erp.datasource.mappers.AccountHeadMapper;
import com.jsh.erp.datasource.mappers.AccountHeadMapperEx;
import com.jsh.erp.datasource.mappers.AccountItemMapperEx;
import com.jsh.erp.exception.BusinessRunTimeException;
import com.jsh.erp.exception.JshException;
import com.jsh.erp.service.accountItem.AccountItemService;
import com.jsh.erp.service.log.LogService;
import com.jsh.erp.service.orgaUserRel.OrgaUserRelService;
import com.jsh.erp.service.supplier.SupplierService;
import com.jsh.erp.service.user.UserService;
import com.jsh.erp.utils.StringUtil;
import com.jsh.erp.utils.Tools;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import static com.jsh.erp.utils.Tools.getCenternTime;

@Service
public class AccountHeadService {
    private Logger logger = LoggerFactory.getLogger(AccountHeadService.class);
    @Resource
    private AccountHeadMapper accountHeadMapper;
    @Resource
    private AccountHeadMapperEx accountHeadMapperEx;
    @Resource
    private OrgaUserRelService orgaUserRelService;
    @Resource
    private AccountItemService accountItemService;
    @Resource
    private UserService userService;
    @Resource
    private SupplierService supplierService;
    @Resource
    private LogService logService;
    @Resource
    private AccountItemMapperEx accountItemMapperEx;

    public AccountHead getAccountHead(long id) throws Exception {
        AccountHead result=null;
        try{
            result=accountHeadMapper.selectByPrimaryKey(id);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return result;
    }

    public List<AccountHead> getAccountHeadListByIds(String ids)throws Exception {
        List<Long> idList = StringUtil.strToLongList(ids);
        List<AccountHead> list = new ArrayList<>();
        try{
            AccountHeadExample example = new AccountHeadExample();
            example.createCriteria().andIdIn(idList);
            list = accountHeadMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list;
    }

    public List<AccountHead> getAccountHead() throws Exception{
        AccountHeadExample example = new AccountHeadExample();
        List<AccountHead> list=null;
        try{
            list=accountHeadMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list;
    }

    public List<AccountHeadVo4ListEx> select(String type, String roleType, String billNo, String beginTime, String endTime,
                                             Long organId, Long creator, Long handsPersonId, Long accountId, String status,
                                             String remark, int offset, int rows) throws Exception{
        List<AccountHeadVo4ListEx> resList = new ArrayList<>();
        try{
            String [] creatorArray = getCreatorArray(roleType);
            beginTime = Tools.parseDayToTime(beginTime,BusinessConstants.DAY_FIRST_TIME);
            endTime = Tools.parseDayToTime(endTime,BusinessConstants.DAY_LAST_TIME);
            List<AccountHeadVo4ListEx> list = accountHeadMapperEx.selectByConditionAccountHead(type, creatorArray, billNo,
                    beginTime, endTime, organId, creator, handsPersonId, accountId, status, remark, offset, rows);
            if (null != list) {
                for (AccountHeadVo4ListEx ah : list) {
                    if(ah.getChangeAmount() != null) {
                        ah.setChangeAmount(ah.getChangeAmount().abs());
                    }
                    if(ah.getTotalPrice() != null) {
                        ah.setTotalPrice(ah.getTotalPrice().abs());
                    }
                    if(ah.getBillTime() !=null) {
                        ah.setBillTimeStr(getCenternTime(ah.getBillTime()));
                    }
                    resList.add(ah);
                }
            }
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return resList;
    }

    public Long countAccountHead(String type, String roleType, String billNo, String beginTime, String endTime,
                                 Long organId, Long creator, Long handsPersonId, Long accountId, String status,
                                 String remark) throws Exception{
        Long result=null;
        try{
            String [] creatorArray = getCreatorArray(roleType);
            beginTime = Tools.parseDayToTime(beginTime,BusinessConstants.DAY_FIRST_TIME);
            endTime = Tools.parseDayToTime(endTime,BusinessConstants.DAY_LAST_TIME);
            result = accountHeadMapperEx.countsByAccountHead(type, creatorArray, billNo,
                    beginTime, endTime, organId, creator, handsPersonId, accountId, status, remark);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return result;
    }

    /**
     * 根据角色类型获取操作员数组
     * @param roleType
     * @return
     * @throws Exception
     */
    private String[] getCreatorArray(String roleType) throws Exception {
        String creator = "";
        User user = userService.getCurrentUser();
        if(BusinessConstants.ROLE_TYPE_PRIVATE.equals(roleType)) {
            creator = user.getId().toString();
        } else if(BusinessConstants.ROLE_TYPE_THIS_ORG.equals(roleType)) {
            creator = orgaUserRelService.getUserIdListByUserId(user.getId());
        }
        String [] creatorArray=null;
        if(StringUtil.isNotEmpty(creator)){
            creatorArray = creator.split(",");
        }
        return creatorArray;
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int insertAccountHead(JSONObject obj, HttpServletRequest request) throws Exception{
        AccountHead accountHead = JSONObject.parseObject(obj.toJSONString(), AccountHead.class);
        int result=0;
        try{
            User userInfo=userService.getCurrentUser();
            accountHead.setCreator(userInfo==null?null:userInfo.getId());
            result = accountHeadMapper.insertSelective(accountHead);
            logService.insertLog("财务",
                    new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_ADD).append(accountHead.getBillNo()).toString(), request);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int updateAccountHead(JSONObject obj, HttpServletRequest request)throws Exception {
        AccountHead accountHead = JSONObject.parseObject(obj.toJSONString(), AccountHead.class);
        int result=0;
        try{
            result = accountHeadMapper.updateByPrimaryKeySelective(accountHead);
            logService.insertLog("财务",
                    new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_EDIT).append(accountHead.getBillNo()).toString(), request);
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int deleteAccountHead(Long id, HttpServletRequest request)throws Exception {
        return batchDeleteAccountHeadByIds(id.toString());
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int batchDeleteAccountHead(String ids, HttpServletRequest request)throws Exception {
        return batchDeleteAccountHeadByIds(ids);
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int batchDeleteAccountHeadByIds(String ids)throws Exception {
        StringBuffer sb = new StringBuffer();
        sb.append(BusinessConstants.LOG_OPERATION_TYPE_DELETE);
        List<AccountHead> list = getAccountHeadListByIds(ids);
        for(AccountHead accountHead: list){
            sb.append("[").append(accountHead.getBillNo()).append("]");
            if("1".equals(accountHead.getStatus())) {
                throw new BusinessRunTimeException(ExceptionConstants.ACCOUNT_HEAD_UN_AUDIT_DELETE_FAILED_CODE,
                        String.format(ExceptionConstants.ACCOUNT_HEAD_UN_AUDIT_DELETE_FAILED_MSG));
            }
        }
        User userInfo=userService.getCurrentUser();
        String [] idArray=ids.split(",");
        //删除主表
        accountItemMapperEx.batchDeleteAccountItemByHeadIds(new Date(),userInfo==null?null:userInfo.getId(),idArray);
        //删除子表
        accountHeadMapperEx.batchDeleteAccountHeadByIds(new Date(),userInfo==null?null:userInfo.getId(),idArray);
        logService.insertLog("财务", sb.toString(),
                ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest());
        return 1;
    }

    public int checkIsNameExist(Long id, String name)throws Exception {
        AccountHeadExample example = new AccountHeadExample();
        example.createCriteria().andIdNotEqualTo(id).andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<AccountHead> list = null;
        try{
            list = accountHeadMapper.selectByExample(example);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return list==null?0:list.size();
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public int batchSetStatus(String status, String accountHeadIds)throws Exception {
        int result = 0;
        try{
            List<Long> ahIds = new ArrayList<>();
            List<Long> ids = StringUtil.strToLongList(accountHeadIds);
            for(Long id: ids) {
                AccountHead accountHead = getAccountHead(id);
                if("0".equals(status)){
                    if("1".equals(accountHead.getStatus())) {
                        ahIds.add(id);
                    }
                } else if("1".equals(status)){
                    if("0".equals(accountHead.getStatus())) {
                        ahIds.add(id);
                    }
                }
            }
            if(ahIds.size()>0) {
                AccountHead accountHead = new AccountHead();
                accountHead.setStatus(status);
                AccountHeadExample example = new AccountHeadExample();
                example.createCriteria().andIdIn(ahIds);
                result = accountHeadMapper.updateByExampleSelective(accountHead, example);
            } else {
                return 1;
            }
        }catch(Exception e){
            JshException.writeFail(logger, e);
        }
        return result;
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public void addAccountHeadAndDetail(String beanJson, String rows, HttpServletRequest request) throws Exception {
        AccountHead accountHead = JSONObject.parseObject(beanJson, AccountHead.class);
        User userInfo=userService.getCurrentUser();
        accountHead.setCreator(userInfo==null?null:userInfo.getId());
        if(StringUtil.isEmpty(accountHead.getStatus())) {
            accountHead.setStatus(BusinessConstants.BILLS_STATUS_UN_AUDIT);
        }
        accountHeadMapper.insertSelective(accountHead);
        //根据单据编号查询单据id
        AccountHeadExample dhExample = new AccountHeadExample();
        dhExample.createCriteria().andBillNoEqualTo(accountHead.getBillNo()).andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<AccountHead> list = accountHeadMapper.selectByExample(dhExample);
        if(list!=null) {
            Long headId = list.get(0).getId();
            String type = list.get(0).getType();
            /**处理单据子表信息*/
            accountItemService.saveDetials(rows, headId, type, request);
        }
        if("收预付款".equals(accountHead.getType())){
            supplierService.updateAdvanceIn(accountHead.getOrganId(), accountHead.getTotalPrice());
        }
        logService.insertLog("财务单据",
                new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_ADD).append(accountHead.getBillNo()).toString(), request);
    }

    @Transactional(value = "transactionManager", rollbackFor = Exception.class)
    public void updateAccountHeadAndDetail(String beanJson, String rows, HttpServletRequest request) throws Exception {
        AccountHead accountHead = JSONObject.parseObject(beanJson, AccountHead.class);
        //获取之前的金额数据
        BigDecimal preTotalPrice = getAccountHead(accountHead.getId()).getTotalPrice().abs();
        accountHeadMapper.updateByPrimaryKeySelective(accountHead);
        //根据单据编号查询单据id
        AccountHeadExample dhExample = new AccountHeadExample();
        dhExample.createCriteria().andBillNoEqualTo(accountHead.getBillNo()).andDeleteFlagNotEqualTo(BusinessConstants.DELETE_FLAG_DELETED);
        List<AccountHead> list = accountHeadMapper.selectByExample(dhExample);
        if(list!=null) {
            Long headId = list.get(0).getId();
            String type = list.get(0).getType();
            /**处理单据子表信息*/
            accountItemService.saveDetials(rows, headId, type, request);
        }
        if("收预付款".equals(accountHead.getType())){
            supplierService.updateAdvanceIn(accountHead.getOrganId(), accountHead.getTotalPrice().subtract(preTotalPrice));
        }
        logService.insertLog("财务单据",
                new StringBuffer(BusinessConstants.LOG_OPERATION_TYPE_EDIT).append(accountHead.getBillNo()).toString(), request);
    }

    public BigDecimal findAllMoney(Integer supplierId, String type, String mode, String endTime) {
        String modeName = "";
        if (mode.equals("实际")) {
            modeName = "change_amount";
        } else if (mode.equals("合计")) {
            modeName = "total_price";
        }
        BigDecimal result = null;
        try{
            result = accountHeadMapperEx.findAllMoney(supplierId, type, modeName, endTime);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        return result;
    }

    /**
     * 统计总金额
     * @param getS
     * @param type
     * @param mode 合计或者金额
     * @param endTime
     * @return
     */
    public BigDecimal allMoney(String getS, String type, String mode, String endTime) {
        BigDecimal allMoney = BigDecimal.ZERO;
        try {
            Integer supplierId = Integer.valueOf(getS);
            BigDecimal sum = findAllMoney(supplierId, type, mode, endTime);
            if(sum != null) {
                allMoney = sum;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //返回正数，如果负数也转为正数
        if ((allMoney.compareTo(BigDecimal.ZERO))==-1) {
            allMoney = allMoney.abs();
        }
        return allMoney;
    }

    /**
     * 查询往来单位的累计应收和累计应付，只计入收款或付款
     * @param supplierId
     * @param endTime
     * @param supType
     * @return
     */
    public BigDecimal findTotalPay(Integer supplierId, String endTime, String supType) {
        BigDecimal sum = BigDecimal.ZERO;
        String getS = supplierId.toString();
        if (("客户").equals(supType)) { //客户
            sum = allMoney(getS, "收款", "合计",endTime);
        } else if (("供应商").equals(supType)) { //供应商
            sum = allMoney(getS, "付款", "合计",endTime);
        }
        return sum;
    }

    public List<AccountHeadVo4ListEx> getDetailByNumber(String billNo)throws Exception {
        List<AccountHeadVo4ListEx> resList = new ArrayList<AccountHeadVo4ListEx>();
        List<AccountHeadVo4ListEx> list = null;
        try{
            list = accountHeadMapperEx.getDetailByNumber(billNo);
        }catch(Exception e){
            JshException.readFail(logger, e);
        }
        if (null != list) {
            for (AccountHeadVo4ListEx ah : list) {
                if(ah.getChangeAmount() != null) {
                    ah.setChangeAmount(ah.getChangeAmount().abs());
                }
                if(ah.getTotalPrice() != null) {
                    ah.setTotalPrice(ah.getTotalPrice().abs());
                }
                ah.setBillTimeStr(getCenternTime(ah.getBillTime()));
                resList.add(ah);
            }
        }
        return resList;
    }
}
