package cn.iocoder.yudao.module.srm.service.certificate;

import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.srm.controller.admin.certificate.vo.SrmSupplierCertificatePageReqVO;
import cn.iocoder.yudao.module.srm.controller.admin.certificate.vo.SrmSupplierCertificateSaveReqVO;
import cn.iocoder.yudao.module.srm.dal.dataobject.SrmSupplierCertificateDO;
import cn.iocoder.yudao.module.srm.dal.mysql.SrmSupplierCertificateMapper;
import cn.iocoder.yudao.module.srm.enums.ErrorCodeConstants;
import cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;

import java.time.LocalDate;
import java.util.List;

@Service
@Validated
public class SrmSupplierCertificateServiceImpl implements SrmSupplierCertificateService {

    @Resource
    private SrmSupplierCertificateMapper certificateMapper;

    @Override
    public Long createCertificate(SrmSupplierCertificateSaveReqVO createReqVO) {
        SrmSupplierCertificateDO certificate = BeanUtils.toBean(createReqVO, SrmSupplierCertificateDO.class);
        updateStatus(certificate);
        certificateMapper.insert(certificate);
        return certificate.getId();
    }

    @Override
    public void updateCertificate(SrmSupplierCertificateSaveReqVO updateReqVO) {
        validateCertificateExists(updateReqVO.getId());
        SrmSupplierCertificateDO updateObj = BeanUtils.toBean(updateReqVO, SrmSupplierCertificateDO.class);
        updateStatus(updateObj);
        certificateMapper.updateById(updateObj);
    }

    @Override
    public void deleteCertificate(Long id) {
        validateCertificateExists(id);
        certificateMapper.deleteById(id);
    }

    @Override
    public SrmSupplierCertificateDO getCertificate(Long id) {
        return certificateMapper.selectById(id);
    }

    @Override
    public PageResult<SrmSupplierCertificateDO> getCertificatePage(SrmSupplierCertificatePageReqVO pageReqVO) {
        return certificateMapper.selectPage(pageReqVO);
    }

    @Override
    public List<SrmSupplierCertificateDO> getCertificateListBySupplierId(Long supplierId) {
        return certificateMapper.selectListBySupplierId(supplierId);
    }

    @Override
    public List<SrmSupplierCertificateDO> getExpiringCertificates() {
        LocalDate now = LocalDate.now();
        return certificateMapper.selectExpiringList(now, now.plusDays(30));
    }

    private void validateCertificateExists(Long id) {
        if (certificateMapper.selectById(id) == null) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.CERTIFICATE_NOT_EXISTS);
        }
    }

    private void updateStatus(SrmSupplierCertificateDO certificate) {
        if (certificate.getValidEndDate() != null) {
            LocalDate now = LocalDate.now();
            if (certificate.getValidEndDate().isBefore(now)) {
                certificate.setStatus(1); // 已过期
            } else if (certificate.getValidEndDate().isBefore(now.plusDays(30))) {
                certificate.setStatus(2); // 即将过期
            } else {
                certificate.setStatus(0); // 有效
            }
        }
    }

}