package com.ruoyi.basic.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.basic.dto.StorageBlobVO;
import com.ruoyi.basic.dto.SupplierContractRecordDto;
import com.ruoyi.basic.enums.RecordTypeEnum;
import com.ruoyi.basic.mapper.SupplierContractRecordMapper;
import com.ruoyi.basic.pojo.SupplierContractRecord;
import com.ruoyi.basic.service.SupplierContractRecordService;
import com.ruoyi.basic.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

/**
 * 供应商合同记录Service实现类
 *
 * @author ruoyi
 * @date 2026-06-24
 */
@Service
@RequiredArgsConstructor
public class SupplierContractRecordServiceImpl extends ServiceImpl<SupplierContractRecordMapper, SupplierContractRecord> implements SupplierContractRecordService {

    private final SupplierContractRecordMapper supplierContractRecordMapper;
    private final FileUtil fileUtil;

    @Override
    public List<SupplierContractRecordDto> selectListBySupplierId(Long supplierId) {
        List<SupplierContractRecord> records = supplierContractRecordMapper.selectListBySupplierId(supplierId);
        return records.stream().map(record -> {
            SupplierContractRecordDto dto = new SupplierContractRecordDto();
            BeanUtils.copyProperties(record, dto);
            // 获取附件列表
            List<StorageBlobVO> files = fileUtil.getStorageBlobVOsByRecordTypeAndRecordId(
                    RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, record.getId());
            dto.setFileList(files);
            return dto;
        }).collect(Collectors.toList());
    }

    @Override
    public SupplierContractRecordDto selectDetailById(Long id) {
        SupplierContractRecord record = supplierContractRecordMapper.selectById(id);
        if (record == null) {
            return null;
        }
        SupplierContractRecordDto dto = new SupplierContractRecordDto();
        BeanUtils.copyProperties(record, dto);
        // 获取附件列表
        List<StorageBlobVO> files = fileUtil.getStorageBlobVOsByRecordTypeAndRecordId(
                RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, id);
        dto.setFileList(files);
        return dto;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int insertSupplierContractRecord(SupplierContractRecordDto dto) {
        SupplierContractRecord record = new SupplierContractRecord();
        BeanUtils.copyProperties(dto, record);
        int result = supplierContractRecordMapper.insert(record);
        // 保存附件
        if (dto.getStorageBlobDTOs() != null && !dto.getStorageBlobDTOs().isEmpty()) {
            fileUtil.saveStorageAttachmentByRecordTypeAndRecordId(
                    "file", RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, record.getId(), dto.getStorageBlobDTOs());
        }
        // 返回新增记录的ID
        dto.setId(record.getId());
        return result;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateSupplierContractRecord(SupplierContractRecordDto dto) {
        SupplierContractRecord record = new SupplierContractRecord();
        BeanUtils.copyProperties(dto, record);
        int result = supplierContractRecordMapper.updateById(record);
        // 更新附件
        if (dto.getStorageBlobDTOs() != null) {
            fileUtil.saveStorageAttachmentByRecordTypeAndRecordId(
                    "file", RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, record.getId(), dto.getStorageBlobDTOs());
        }
        return result;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int deleteSupplierContractRecord(Long id) {
        // 删除附件
        fileUtil.deleteStorageAttachmentsByRecordTypeAndRecordId(RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, id);
        return supplierContractRecordMapper.deleteById(id);
    }

    @Override
    public List<StorageBlobVO> selectFilesByMasterContractNo(String masterContractNo) {
        // 根据总合同号查询合同记录
        SupplierContractRecord record = supplierContractRecordMapper.selectOne(
                new LambdaQueryWrapper<SupplierContractRecord>()
                        .eq(SupplierContractRecord::getMasterContractNo, masterContractNo)
                        .last("LIMIT 1"));
        if (record == null) {
            return Collections.emptyList();
        }
        // 获取附件列表
        return fileUtil.getStorageBlobVOsByRecordTypeAndRecordId(
                RecordTypeEnum.SUPPLIER_CONTRACT_RECORD, record.getId());
    }
}