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.CustomerContractRecordDto;
import com.ruoyi.basic.dto.StorageBlobVO;
import com.ruoyi.basic.enums.RecordTypeEnum;
import com.ruoyi.basic.mapper.CustomerContractRecordMapper;
import com.ruoyi.basic.pojo.CustomerContractRecord;
import com.ruoyi.basic.service.CustomerContractRecordService;
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;

/**
 * 客户合同记录Service实现类
 *
 * @author ruoyi
 * @date 2026-06-24
 */
@Service
@RequiredArgsConstructor
public class CustomerContractRecordServiceImpl extends ServiceImpl<CustomerContractRecordMapper, CustomerContractRecord> implements CustomerContractRecordService {

    private final CustomerContractRecordMapper customerContractRecordMapper;
    private final FileUtil fileUtil;

    @Override
    public List<CustomerContractRecordDto> selectListByCustomerId(Long customerId) {
        List<CustomerContractRecord> records = customerContractRecordMapper.selectListByCustomerId(customerId);
        return records.stream().map(record -> {
            CustomerContractRecordDto dto = new CustomerContractRecordDto();
            BeanUtils.copyProperties(record, dto);
            // 获取附件列表
            List<StorageBlobVO> files = fileUtil.getStorageBlobVOsByRecordTypeAndRecordId(
                    RecordTypeEnum.CUSTOMER_CONTRACT_RECORD, record.getId());
            dto.setFileList(files);
            return dto;
        }).collect(Collectors.toList());
    }

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

    @Override
    @Transactional(rollbackFor = Exception.class)
    public int insertCustomerContractRecord(CustomerContractRecordDto dto) {
        CustomerContractRecord record = new CustomerContractRecord();
        BeanUtils.copyProperties(dto, record);
        int result = customerContractRecordMapper.insert(record);
        // 保存附件
        if (dto.getStorageBlobDTOs() != null && !dto.getStorageBlobDTOs().isEmpty()) {
            fileUtil.saveStorageAttachmentByRecordTypeAndRecordId(
                    "file", RecordTypeEnum.CUSTOMER_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 updateCustomerContractRecord(CustomerContractRecordDto dto) {
        CustomerContractRecord record = new CustomerContractRecord();
        BeanUtils.copyProperties(dto, record);
        int result = customerContractRecordMapper.updateById(record);
        // 更新附件
        if (dto.getStorageBlobDTOs() != null) {
            fileUtil.saveStorageAttachmentByRecordTypeAndRecordId(
                    "file", RecordTypeEnum.CUSTOMER_CONTRACT_RECORD, record.getId(), dto.getStorageBlobDTOs());
        }
        return result;
    }

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

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