package com.ruoyi.system.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.system.emums.ApprovalStatusEnum;
import com.ruoyi.system.mapper.OaApprovalApplicationAssetItemMapper;
import com.ruoyi.system.model.AssetMain;
import com.ruoyi.system.model.OaApprovalApplicationAssetItem;
import com.ruoyi.system.model.OaApprovalApplications;
import com.ruoyi.system.query.ApprovalDetailQuery;
import com.ruoyi.system.service.AssetMainService;
import com.ruoyi.system.service.OaApprovalApplicationAssetItemService;
import com.ruoyi.system.service.OaApprovalApplicationsService;
import com.ruoyi.system.vo.GrabListVO;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * <p>
 * 资产领用/借用/归还/处置审批关系表 服务实现类
 * </p>
 *
 * @author WuGuanFengYue
 * @since 2025-09-15
 */
@Service
@RequiredArgsConstructor(onConstructor_ = {@Lazy})
public class OaApprovalApplicationAssetItemServiceImpl extends ServiceImpl<OaApprovalApplicationAssetItemMapper, OaApprovalApplicationAssetItem> implements OaApprovalApplicationAssetItemService {
    private final AssetMainService assetMainService;
    private final OaApprovalApplicationsService oaApprovalApplicationsService;
    @Override
    public PageInfo<GrabListVO> pageList(ApprovalDetailQuery query) {
        PageInfo<GrabListVO> pageInfo = new PageInfo<>(query.getPageNum(), query.getPageSize());
        List<GrabListVO> list = this.baseMapper.pageList(query,pageInfo);
        pageInfo.setRecords(list);
        return pageInfo;
    }

    @Override
    public void validateAssetStatus(List<Integer> assetMainIds) {
        if (CollUtil.isEmpty(assetMainIds)) {
            return;
        }

        // 1. 根据资产ID列表查询资产关联表
        List<OaApprovalApplicationAssetItem> assetItems = this.lambdaQuery()
                .in(OaApprovalApplicationAssetItem::getAssetMainId, assetMainIds)
                .list();

        if (CollUtil.isEmpty(assetItems)) {
            return;
        }

        // 2. 收集所有资产关联表中的审批申请ID
        List<Integer> approvalApplicationIds = assetItems.stream()
                .map(OaApprovalApplicationAssetItem::getApprovalApplicationId)
                .distinct()
                .collect(Collectors.toList());

        // 3. 查询待审核状态的审批记录
        List<OaApprovalApplications> pendingApplications = oaApprovalApplicationsService.lambdaQuery()
                .in(OaApprovalApplications::getId, approvalApplicationIds)
                .eq(OaApprovalApplications::getApprovalStatus, ApprovalStatusEnum.PENDING.getCode())
                .list();

        if (CollUtil.isNotEmpty(pendingApplications)) {
            // 4. 如果存在待审批记录，获取涉及的资产ID
            Set<Integer> pendingAssetIds = this.lambdaQuery()
                    .in(OaApprovalApplicationAssetItem::getApprovalApplicationId,
                            pendingApplications.stream()
                                    .map(OaApprovalApplications::getId)
                                    .collect(Collectors.toList()))
                    .list()
                    .stream()
                    .map(OaApprovalApplicationAssetItem::getAssetMainId)
                    .distinct()
                    .collect(Collectors.toSet());
            //取交集
            pendingAssetIds.retainAll(assetMainIds);
            // 获取资产信息用于错误提示
            List<AssetMain> pendingAssets = assetMainService.listByIds(pendingAssetIds);
            String assetNames = pendingAssets.stream()
                    .map(AssetMain::getAssetName)
                    .collect(Collectors.joining("、"));

            throw new ServiceException("操作失败，" + assetNames + "资产已存在待审批的记录");
        }
    }

}