package com.ruoyi.basic.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.basic.dto.CertificationImageUpdateDto;
import com.ruoyi.basic.dto.CertificationUpdateDto;
import com.ruoyi.basic.mapper.CertificationMapper;
import com.ruoyi.basic.pojo.Certification;
import com.ruoyi.basic.service.CertificationService;
import com.ruoyi.common.exception.base.BaseException;
import com.ruoyi.common.utils.StringUtils;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

@Service
@AllArgsConstructor
@Transactional(rollbackFor = Exception.class)
public class CertificationServiceImpl extends ServiceImpl<CertificationMapper, Certification> implements CertificationService {


    private CertificationMapper certificationMapper;


    //查询资质明细列表
    @Override
    public IPage<Certification> getCertificationDetail(Page page, Certification certification) {
        return  certificationMapper.getCertificationDetail(page, certification);
    }

    @Override
    public Certification getCertificationById(Integer id) {
        if (id == null) {
            throw new BaseException("资质ID不能为空");
        }
        Certification certification = certificationMapper.selectById(id);
        if (certification == null) {
            throw new BaseException("资质记录不存在");
        }
        return certification;
    }

    //添加资质明细列表
    @Override
    public int addCertificationDetail(Certification certification) {
        validateRequiredFields(certification.getName(), certification.getCode(), certification.getOrganization(),
                certification.getDateOfIssuance(), certification.getExpireTime());
        return certificationMapper.insert(certification);
    }

    @Override
    public int updateCertificationDetail(CertificationUpdateDto certification) {
        if (certification == null || certification.getId() == null) {
            throw new BaseException("资质ID不能为空");
        }
        Certification existing = getCertificationById(certification.getId());
        validateRequiredFields(certification.getName(), certification.getCode(), certification.getOrganization(),
                certification.getDateOfIssuance(), certification.getExpireTime());

        String imageUrl = StringUtils.isNotBlank(certification.getImageUrl())
                ? certification.getImageUrl() : existing.getImageUrl();
        String fileUrl = StringUtils.isNotBlank(certification.getFileUrl())
                ? certification.getFileUrl() : existing.getFileUrl();
        int updated = certificationMapper.update(new Certification(), Wrappers.<Certification>lambdaUpdate()
                .eq(Certification::getId, certification.getId())
                .set(Certification::getName, certification.getName())
                .set(Certification::getCode, certification.getCode())
                .set(Certification::getOrganization, certification.getOrganization())
                .set(Certification::getExplanation, certification.getExplanation())
                .set(Certification::getDateOfIssuance, certification.getDateOfIssuance())
                .set(Certification::getExpireTime, certification.getExpireTime())
                .set(Certification::getImageUrl, imageUrl)
                .set(Certification::getFileUrl, fileUrl));
        if (updated < 1) {
            throw new BaseException("资质更新失败");
        }
        return updated;
    }

    @Override
    public int updateCertificationImage(CertificationImageUpdateDto certification) {
        if (certification == null || certification.getId() == null) {
            throw new BaseException("资质ID不能为空");
        }
        if (StringUtils.isBlank(certification.getImageUrl())) {
            throw new BaseException("资质图片不能为空");
        }
        getCertificationById(certification.getId());
        int updated = certificationMapper.update(new Certification(), Wrappers.<Certification>lambdaUpdate()
                .eq(Certification::getId, certification.getId())
                .set(Certification::getImageUrl, certification.getImageUrl()));
        if (updated < 1) {
            throw new BaseException("资质图片更新失败");
        }
        return updated;
    }

    //删除资质明细列表
    @Override
    public int delCertificationDetail(String ids) {
        List<Integer> list = Arrays.stream(ids.split(",")).map(Integer::parseInt).collect(Collectors.toList());
        return certificationMapper.deleteBatchIds(list);
    }

    private void validateRequiredFields(String name, String code, String organization,
                                        java.time.LocalDateTime dateOfIssuance,
                                        java.time.LocalDateTime expireTime) {
        if (StringUtils.isBlank(name)) {
            throw new BaseException("资质名称不能为空");
        }
        if (StringUtils.isBlank(code)) {
            throw new BaseException("资质编码不能为空");
        }
        if (StringUtils.isBlank(organization)) {
            throw new BaseException("颁发机构不能为空");
        }
        if (dateOfIssuance == null) {
            throw new BaseException("颁发时间不能为空");
        }
        if (expireTime == null) {
            throw new BaseException("到期时间不能为空");
        }
    }

}