package cn.iocoder.yudao.module.hrm.service.salary;

import cn.iocoder.yudao.module.hrm.dal.dataobject.salary.HrmTaxRateConfigDO;
import cn.iocoder.yudao.module.hrm.dal.mysql.salary.HrmTaxRateConfigMapper;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;

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

import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.module.hrm.enums.ErrorCodeConstants.TAX_RATE_CONFIG_NOT_EXISTS;

/**
 * 个税税率配置 Service 实现类
 *
 * @author 超级管理员
 */
@Service
@Validated
public class HrmTaxRateConfigServiceImpl implements HrmTaxRateConfigService {

    @Resource
    private HrmTaxRateConfigMapper taxRateConfigMapper;

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void createTaxRateConfigList(List<HrmTaxRateConfigDO> configList) {
        for (HrmTaxRateConfigDO config : configList) {
            applyDefaults(config);
            taxRateConfigMapper.insert(config);
        }
    }

    @Override
    public void updateTaxRateConfig(HrmTaxRateConfigDO config) {
        validateTaxRateConfigExists(config.getId());
        applyDefaults(config);
        taxRateConfigMapper.updateById(config);
    }

    /**
     * 补全默认值：生效日期默认为当月 1 号，配置名称自动生成，速算扣除数/上限缺省按 0
     */
    private void applyDefaults(HrmTaxRateConfigDO config) {
        if (config.getEffectiveDate() == null) {
            config.setEffectiveDate(LocalDate.now().withDayOfMonth(1));
        }
        if (config.getName() == null || config.getName().isBlank()) {
            config.setName(config.getEffectiveDate().getYear() + "年"
                    + config.getEffectiveDate().getMonthValue() + "月个税税率表");
        }
        if (config.getStatus() == null) {
            config.setStatus(0);
        }
        if (config.getQuickDeduction() == null) {
            config.setQuickDeduction(BigDecimal.ZERO);
        }
        if (config.getMaxAmount() == null) {
            config.setMaxAmount(BigDecimal.ZERO);
        }
    }

    @Override
    public void deleteTaxRateConfig(Long id) {
        validateTaxRateConfigExists(id);
        taxRateConfigMapper.deleteById(id);
    }

    @Override
    public HrmTaxRateConfigDO getTaxRateConfig(Long id) {
        return taxRateConfigMapper.selectById(id);
    }

    @Override
    public List<HrmTaxRateConfigDO> getTaxRateConfigList() {
        return taxRateConfigMapper.selectListByStatus(null);
    }

    @Override
    public List<HrmTaxRateConfigDO> getEffectiveTaxRateConfigList(LocalDate effectiveDate) {
        return taxRateConfigMapper.selectListByEffectiveDate(effectiveDate);
    }

    private void validateTaxRateConfigExists(Long id) {
        if (taxRateConfigMapper.selectById(id) == null) {
            throw exception(TAX_RATE_CONFIG_NOT_EXISTS);
        }
    }

}