/*
 * Copyright © 2026 Qiantong Technology Co., Ltd.
 * qModel Model Platform(Open Source Edition)
 *  *
 * License:
 * Released under the Apache License, Version 2.0.
 * You may use, modify, and distribute this software for commercial purposes
 * under the terms of the License.
 *  *
 * Special Notice:
 * All derivative versions are strictly prohibited from modifying or removing
 * the default system logo and copyright information.
 * For brand customization, please apply for brand customization authorization via official channels.
 *  *
 * More information: https://qmodel.qiantong.tech/business.html
 *  *
 * ============================================================================
 *  *
 * 版权所有 © 2026 江苏千桐科技有限公司
 * qModel 模型平台（开源版）
 *  *
 * 许可协议：
 * 本项目基于 Apache License 2.0 开源协议发布，
 * 允许在遵守协议的前提下进行商用、修改和分发。
 *  *
 * 特别说明：
 * 所有衍生版本不得修改或移除系统默认的 LOGO 和版权信息；
 * 如需定制品牌，请通过官方渠道申请品牌定制授权。
 *  *
 * 更多信息请访问：https://qmodel.qiantong.tech/business.html
 */

package tech.qiantong.qmodel.mybatis.core.type;

import cn.hutool.core.collection.CollUtil;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.MappedJdbcTypes;
import org.apache.ibatis.type.MappedTypes;
import org.apache.ibatis.type.TypeHandler;
import tech.qiantong.qmodel.common.utils.string.StrUtils;

import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

/**
 * List<Long> 的类型转换器实现类，对应数据库的 varchar 类型
 *
 * @author 芋道源码
 */
@MappedJdbcTypes(JdbcType.VARCHAR)
@MappedTypes(List.class)
public class LongListTypeHandler implements TypeHandler<List<Long>> {

    private static final String COMMA = ",";

    @Override
    public void setParameter(PreparedStatement ps, int i, List<Long> strings, JdbcType jdbcType) throws SQLException {
        // 设置占位符
        ps.setString(i, CollUtil.join(strings, COMMA));
    }

    @Override
    public List<Long> getResult(ResultSet rs, String columnName) throws SQLException {
        String value = rs.getString(columnName);
        return getResult(value);
    }

    @Override
    public List<Long> getResult(ResultSet rs, int columnIndex) throws SQLException {
        String value = rs.getString(columnIndex);
        return getResult(value);
    }

    @Override
    public List<Long> getResult(CallableStatement cs, int columnIndex) throws SQLException {
        String value = cs.getString(columnIndex);
        return getResult(value);
    }

    private List<Long> getResult(String value) {
        if (value == null) {
            return null;
        }
        return StrUtils.splitToLong(value, COMMA);
    }
}
