package com.fjhx.sale.flow;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.IdWorker;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.fjhx.area.utils.CustomizeAreaUtil;
import com.fjhx.common.constant.SourceConstant;
import com.fjhx.common.enums.CodingRuleEnum;
import com.fjhx.common.service.coding.CodingRuleService;
import com.fjhx.common.utils.Assert;
import com.fjhx.file.utils.ObsFileUtil;
import com.fjhx.flow.core.FlowDelegate;
import com.fjhx.flow.core.FlowThreadLocalUtil;
import com.fjhx.flow.enums.FlowStatusEnum;
import com.fjhx.flow.enums.HandleTypeEnum;
import com.fjhx.purchase.entity.purchase.enums.PurchaseDataResourceEnum;
import com.fjhx.purchase.entity.purchase.enums.PurchaseStatusEnum;
import com.fjhx.purchase.entity.subscribe.enums.SubscribeDetailStatusEnum;
import com.fjhx.purchase.entity.subscribe.po.SubscribeDetail;
import com.fjhx.purchase.service.subscribe.SubscribeDetailService;
import com.fjhx.sale.entity.contract.po.Contract;
import com.fjhx.sale.entity.contract.po.ContractProduct;
import com.fjhx.sale.entity.purchase.dto.EhsdPurchaseDto;
import com.fjhx.sale.entity.purchase.po.*;
import com.fjhx.sale.entity.sample.po.Sample;
import com.fjhx.sale.entity.sample.po.SampleProduct;
import com.fjhx.sale.service.contract.ContractProductService;
import com.fjhx.sale.service.contract.ContractService;
import com.fjhx.sale.service.purchase.*;
import com.fjhx.sale.service.sample.SampleProductService;
import com.fjhx.sale.service.sample.SampleService;
import com.ruoyi.common.annotation.LogicIgnore;
import com.ruoyi.common.annotation.TenantIgnore;
import com.ruoyi.common.core.domain.BasePo;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.SecurityUtils;
import lombok.experimental.Delegate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

/**
 * EHSD采购流程
 *
 * @Author:caozj
 * @DATE:2023/4/3 17:38
 */
@Component
@DS(SourceConstant.SALE)
public class EhsdPurchaseFlow extends FlowDelegate {

    @Autowired
    private EhsdPurchaseService purchaseService;

    @Autowired
    private EhsdPurchaseProductService purchaseProductService;

    @Autowired
    private EhsdPurchaseProjectService purchaseProjectService;

    @Autowired
    private EhsdPurchaseArrivalService purchaseArrivalService;

    @Autowired
    private EhsdPurchaseProductMountingsService purchaseProductMountingsService;

    @Autowired
    private ContractProductService contractProductService;

    @Autowired
    private SampleProductService sampleProductService;

    @Autowired
    private CodingRuleService codingRuleService;
    @Autowired
    private SubscribeDetailService subscribeDetailService;
    @Autowired
    private ContractService contractService;
    @Autowired
    private SampleService sampleService;

    @Override
    public String getFlowKey() {
        return "ehsd_purchase_flow";
    }

    /**
     * 发起流程
     *
     * @param flowId     流程ID
     * @param submitData 采购数据
     * @return
     */
    @Override
    public Long start(Long flowId, JSONObject submitData) {
        EhsdPurchaseDto purchase = submitData.toJavaObject(EhsdPurchaseDto.class);
        purchase.setFlowId(flowId);

        //手动创建 编号规则
        if (0 == purchase.getDataResource()) {
            purchase.setCode(codingRuleService.createCode(CodingRuleEnum.EHSD_PURCHASE.getKey(), null));
        }
        //合同 编号规则
        if (1 == purchase.getDataResource()) {
            Contract contract = contractService.getById(purchase.getDataResourceId());
            Assert.notEmpty(contract, "查询不到合同信息，无法生成编号");
            long count = purchaseService.count(q -> q.eq(EhsdPurchase::getDataResourceId, contract.getId()));
            purchase.setCode(contract.getCode() + "-" + (count + 1));
        }
        //样品单 编号规则
        if (2 == purchase.getDataResource()) {
            Sample sample = sampleService.getById(purchase.getDataResourceId());
            Assert.notEmpty(sample, "查询不到样品单信息，无法生成编号");
            long count = purchaseService.count(q -> q.eq(EhsdPurchase::getDataResourceId, sample.getId()));
            purchase.setCode(sample.getCode() + "-" + (count + 1));
        }

        //公共代码
        purchase = connStart(purchase);

        return purchase.getId();
    }


    /**
     * 公共代码块--变更
     */
    public EhsdPurchaseDto updateStart(EhsdPurchaseDto purchase) {
        //赋值城市省份信息
        CustomizeAreaUtil.setAreaId(purchase);
        purchase.setSellCityId(purchase.getCityId());
        purchase.setSellCountryId(purchase.getCountryId());
        purchase.setSellProvinceId(purchase.getProvinceId());


        purchase.setStatus(PurchaseStatusEnum.UNDER_REVIEW.getKey());
        String nickName = SecurityUtils.getLoginUser().getUser().getNickName();
        purchase.setUserName(nickName);
        purchaseService.save(purchase);
        List<EhsdPurchaseProduct> purchaseProductList = purchase.getPurchaseProductList();
        List<EhsdPurchaseProject> purchaseProjectList = purchase.getPurchaseProjectList();
        List<EhsdPurchaseArrival> purchaseArrivalList = purchase.getPurchaseArrivalList();
        List<EhsdPurchaseProductMountings> addMountingsList = new ArrayList<>();
        if (CollectionUtils.isNotEmpty(purchaseProductList)) {
            for (EhsdPurchaseProduct s : purchaseProductList) {//产品
                long id ;
                if(ObjectUtils.isNotEmpty(s.getId())){
                    id = s.getId();
                }else{
                    id = IdWorker.getId();
                }
                s.setId(id);
                s.setPurchaseId(purchase.getId());
                List<EhsdPurchaseProductMountings> purchaseProductMountingsList = s.getPurchaseProductMountingsList();
                if (CollectionUtils.isNotEmpty(purchaseProductMountingsList)) {//产品配件
                    purchaseProductMountingsList.forEach(obj -> obj.setPurchaseProductId(id));
                    addMountingsList.addAll(purchaseProductMountingsList);
                }
                ObsFileUtil.saveFile(s.getFileList(), s.getId());

                if ("0".equals(purchase.getDataResource())) {
                    //计算采购数量是否大于申购数量
                    List<EhsdPurchaseProduct> purchaseDetailList1 = purchaseProductService.list(q -> q.eq(EhsdPurchaseProduct::getSubscribeDetailId,
                            s.getSubscribeDetailId()));
                    //求和
                    BigDecimal purchaseCount = purchaseDetailList1.stream()
                            .map(EhsdPurchaseProduct::getQuantity)
                            .reduce(BigDecimal.ZERO, BigDecimal::add);
                    //计算历史采购数量+本次采购数量之和
                    BigDecimal count = purchaseCount.add(s.getQuantity());
                    //判断采购数量是否大于申购数量
                    SubscribeDetail subscribeDetail = subscribeDetailService.getById(s.getSubscribeDetailId());
                    if (count.compareTo(subscribeDetail.getCount()) > 0) {
                        throw new ServiceException("采购数量不能大于申购数量");
                    }
                }
            }
            purchaseProductService.saveBatch(purchaseProductList);
            purchaseProductMountingsService.saveBatch(addMountingsList);
        }
        if (CollectionUtils.isNotEmpty(purchaseProjectList)) {//到货
            for (EhsdPurchaseProject s : purchaseProjectList) {
                s.setPurchaseId(purchase.getId());
            }
            purchaseProjectService.saveBatch(purchaseProjectList);
        }
        if (CollectionUtils.isNotEmpty(purchaseArrivalList)) {//收费项目
            for (EhsdPurchaseArrival s : purchaseArrivalList) {
                s.setPurchaseId(purchase.getId());
            }
            purchaseArrivalService.saveBatch(purchaseArrivalList);
        }
        return purchase;
    }



    /**
     * 公共代码块--发起
     */
    public EhsdPurchaseDto connStart(EhsdPurchaseDto purchase) {
        //赋值城市省份信息
        CustomizeAreaUtil.setAreaId(purchase);
        purchase.setSellCityId(purchase.getCityId());
        purchase.setSellCountryId(purchase.getCountryId());
        purchase.setSellProvinceId(purchase.getProvinceId());


        purchase.setStatus(PurchaseStatusEnum.UNDER_REVIEW.getKey());
        String nickName = SecurityUtils.getLoginUser().getUser().getNickName();
        purchase.setUserName(nickName);
        purchaseService.saveOrUpdate(purchase);
        List<EhsdPurchaseProduct> purchaseProductList = purchase.getPurchaseProductList();
        List<EhsdPurchaseProject> purchaseProjectList = purchase.getPurchaseProjectList();
        List<EhsdPurchaseArrival> purchaseArrivalList = purchase.getPurchaseArrivalList();
        List<EhsdPurchaseProductMountings> addMountingsList = new ArrayList<>();
        if (CollectionUtils.isNotEmpty(purchaseProductList)) {
            for (EhsdPurchaseProduct s : purchaseProductList) {//产品
                long id ;
                if(ObjectUtils.isNotEmpty(s.getId())){
                    id = s.getId();
                }else{
                    id = IdWorker.getId();
                }
                s.setId(id);
                s.setPurchaseId(purchase.getId());
                List<EhsdPurchaseProductMountings> purchaseProductMountingsList = s.getPurchaseProductMountingsList();
                if (CollectionUtils.isNotEmpty(purchaseProductMountingsList)) {//产品配件
                    purchaseProductMountingsList.forEach(obj -> obj.setPurchaseProductId(id));
                    addMountingsList.addAll(purchaseProductMountingsList);
                }

                if ("0".equals(purchase.getDataResource())) {
                    //计算采购数量是否大于申购数量
                    List<EhsdPurchaseProduct> purchaseDetailList1 = purchaseProductService.list(q -> q.eq(EhsdPurchaseProduct::getSubscribeDetailId,
                            s.getSubscribeDetailId()));
                    //求和
                    BigDecimal purchaseCount = purchaseDetailList1.stream()
                            .map(EhsdPurchaseProduct::getQuantity)
                            .reduce(BigDecimal.ZERO, BigDecimal::add);
                    //计算历史采购数量+本次采购数量之和
                    BigDecimal count = purchaseCount.add(s.getQuantity());
                    //判断采购数量是否大于申购数量
                    SubscribeDetail subscribeDetail = subscribeDetailService.getById(s.getSubscribeDetailId());
                    if (count.compareTo(subscribeDetail.getCount()) > 0) {
                        throw new ServiceException("采购数量不能大于申购数量");
                    }
                }
            }
            purchaseProductService.saveOrUpdateBatch(purchaseProductList);
            purchaseProductMountingsService.saveOrUpdateBatch(addMountingsList);
        }
        if (CollectionUtils.isNotEmpty(purchaseProjectList)) {//到货
            for (EhsdPurchaseProject s : purchaseProjectList) {
                s.setPurchaseId(purchase.getId());
            }
            purchaseProjectService.saveOrUpdateBatch(purchaseProjectList);
        }
        if (CollectionUtils.isNotEmpty(purchaseArrivalList)) {//收费项目
            for (EhsdPurchaseArrival s : purchaseArrivalList) {
                s.setPurchaseId(purchase.getId());
            }
            purchaseArrivalService.saveOrUpdateBatch(purchaseArrivalList);
        }
        return purchase;
    }

    /**
     * 结束流程
     *
     * @param flowId     流程ID
     * @param businessId 业务ID
     * @param submitData 数据
     */
    @Override
    public void end(Long flowId, Long businessId, JSONObject submitData) {
        //通过业务ID查询采购数据
        EhsdPurchase purchase = purchaseService.getById(businessId);
        if (ObjectUtils.isEmpty(purchase)) {
            throw new ServiceException("采购单不存在,或已被删除");
        }
        //查询采购产品
        List<EhsdPurchaseProduct> purchaseProductList = purchaseProductService.list(Wrappers.<EhsdPurchaseProduct>query().lambda().eq(EhsdPurchaseProduct::getPurchaseId, businessId));
        List<ContractProduct> upContractProduct = new ArrayList<>();
        List<SampleProduct> upSampleProduct = new ArrayList<>();
        for (EhsdPurchaseProduct p : purchaseProductList) {
            if (ObjectUtils.isNotEmpty(p.getDataResourceId()) &&
                    p.getDataResource() == PurchaseDataResourceEnum.DATA_RESOURCE_1.getKey()) {//如果采购的是外销合同
                ContractProduct contractProduct = contractProductService.getById(p.getDataResourceId());
                BigDecimal expendQuantity = contractProduct.getExpendQuantity().subtract(p.getQuantity());
                if (expendQuantity.compareTo(BigDecimal.ZERO) < 0) {//小于0不让继续执行
                    throw new ServiceException("采购数量不得大于合同剩余采购数量,请驳回审批修改");
                }
                contractProduct.setExpendQuantity(expendQuantity);
                upContractProduct.add(contractProduct);
            }
            if (ObjectUtils.isNotEmpty(p.getDataResourceId()) &&
                    p.getDataResource() == PurchaseDataResourceEnum.DATA_RESOURCE_2.getKey()) {//如果采购的是样品单
                SampleProduct sampleProduct = sampleProductService.getById(p.getDataResourceId());
                BigDecimal expendQuantity = sampleProduct.getExpendQuantity().subtract(p.getQuantity());
                if (expendQuantity.compareTo(BigDecimal.ZERO) < 0) {//小于0不让继续执行
//                    throw new ServiceException("采购数量不得大于合同剩余采购数量,请驳回审批修改");
                }
                sampleProduct.setExpendQuantity(expendQuantity);
                upSampleProduct.add(sampleProduct);
            }
        }
        if (CollectionUtils.isNotEmpty(upContractProduct)) {//扣减销售合同数量
            contractProductService.updateBatchById(upContractProduct);
        }
        if (CollectionUtils.isNotEmpty(upSampleProduct)) {//扣减样品单数量
            sampleProductService.updateBatchById(upSampleProduct);
        }
        //修改采购状态为审批通过
        purchase.setStatus(PurchaseStatusEnum.PASS.getKey());
        purchase.setApprovedDate(new Date());
        purchaseService.updateById(purchase);

        if ("0".equals(purchase.getDataResource())) {
            //修改申购明细状态
            List<EhsdPurchaseProduct> purchaseDetailList = purchaseProductService.list(q -> q.eq(EhsdPurchaseProduct::getProductId, businessId));
            List<Long> subscribeDetailIds = purchaseDetailList.stream().map(EhsdPurchaseProduct::getSubscribeDetailId).collect(Collectors.toList());
            List<SubscribeDetail> subscribeDetails = subscribeDetailService.listByIds(subscribeDetailIds);
            for (SubscribeDetail subscribeDetail : subscribeDetails) {
                //获取申购明细下的所有采购记录 计算已采购数
                List<EhsdPurchaseProduct> purchaseDetails = purchaseProductService.list(q -> q.eq(EhsdPurchaseProduct::getSubscribeDetailId,
                        subscribeDetail.getId()).eq(EhsdPurchaseProduct::getProductId, subscribeDetail.getBussinessId()));
                BigDecimal count = purchaseDetails.stream()
                        .map(EhsdPurchaseProduct::getQuantity)
                        .reduce(BigDecimal.ZERO, BigDecimal::add);
                if (count.compareTo(subscribeDetail.getCount()) >= 0) {
                    //修改为已采购
                    subscribeDetail.setStatus(SubscribeDetailStatusEnum.PURCHASED.getKey());
                } else {
                    //修改为部分采购
                    subscribeDetail.setStatus(SubscribeDetailStatusEnum.LITT_PAID_AMOUNT.getKey());
                }
            }
            subscribeDetailService.updateBatchById(subscribeDetails);
        }
    }

    /**
     * 重新发起
     * @param flowId
     * @param businessId
     * @param flowStatus
     * @param submitData
     */
    @Override
    @LogicIgnore(tableName = {""},alias = {""})
    @Transactional(rollbackFor = Exception.class)
    public void relaunch(Long flowId, Long businessId, FlowStatusEnum flowStatus, JSONObject submitData) {
        //删除采购合同
        EhsdPurchaseDto purchase = submitData.toJavaObject(EhsdPurchaseDto.class);
        if(ObjectUtils.isEmpty(purchase)){
            throw new ServiceException("采购数据不能为空");
        }
        purchase.setFlowId(flowId);
        connStart(purchase);
    }

    /**
     * 驳回
     * @param flowId
     * @param businessId
     * @param flowStatus
     */
    @Override
    public void reject(Long flowId, Long businessId, FlowStatusEnum flowStatus) {
        if (HandleTypeEnum.REJECT.equals(FlowThreadLocalUtil.getHandleTypeEnum())) {
            sampleService.update(q -> q
                    .eq(Sample::getId, FlowThreadLocalUtil.getBusinessId())
                    .set(Sample::getStatus, 20)//20为驳回
                    .set(Sample::getUpdateTime, new Date())
                    .set(BasePo::getUpdateUser, SecurityUtils.getUserId())
            );
        }
    }

}