/*
 * 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.common.core.page;

import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Data;
import tech.qiantong.qmodel.common.core.domain.BaseEntity;
import tech.qiantong.qmodel.common.utils.StringUtils;

import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import java.io.Serializable;

@Schema(description="分页参数")
@Data
public class PageParam extends BaseEntity implements Serializable  {

    private static final Integer PAGE_NO = 1;
    private static final Integer PAGE_SIZE = 120;

    /**
     * 每页条数 - 不分页
     *
     * 例如说，导出接口，可以设置 {@link #pageSize} 为 -1 不分页，查询所有数据。
     */
    public static final Integer PAGE_SIZE_NONE = -1;

    @Schema(description = "页码，从 1 开始", requiredMode = Schema.RequiredMode.REQUIRED,example = "1")
    @NotNull(message = "页码不能为空")
    @Min(value = 1, message = "页码最小值为 1")
    private Integer pageNum = PAGE_NO;

    @Schema(description = "每页条数，最大值为 100", requiredMode = Schema.RequiredMode.REQUIRED, example = "10")
    @NotNull(message = "每页条数不能为空")
    @Min(value = 1, message = "每页条数最小值为 1")
    @Max(value = 100, message = "每页条数最大值为 100")
    private Integer pageSize = PAGE_SIZE;


    /** 排序列 */
    private String orderByColumn;

    /** 排序的方向desc或者asc */
    private String isAsc = "asc";

    public String getOrderBy()
    {
        if (StringUtils.isEmpty(orderByColumn))
        {
            return "";
        }
        return StringUtils.toUnderScoreCase(orderByColumn) + " " + isAsc;
    }


    public void setIsAsc(String isAsc)
    {
        if (StringUtils.isNotEmpty(isAsc))
        {
            // 兼容前端排序类型
            if ("ascending".equals(isAsc))
            {
                isAsc = "asc";
            }
            else if ("descending".equals(isAsc))
            {
                isAsc = "desc";
            }
            this.isAsc = isAsc;
        }
    }
}
