package com.sinata.appointment.common;

import io.swagger.v3.oas.annotations.media.Schema;
import java.io.Serializable;
import lombok.Data;

@Schema(
        description =
                "统一 HTTP 响应包装。泛型 T 为 result 载荷类型；分页接口 result 为当前页列表，page/size/total/pages 有效。")
@Data
public class Result<T> implements Serializable {

    private static final long serialVersionUID = 1L;

    @Schema(description = "是否成功", requiredMode = Schema.RequiredMode.REQUIRED, example = "true")
    private boolean success;

    @Schema(description = "提示信息", example = "success")
    private String message;

    @Schema(description = "状态码，成功一般为 200", example = "200")
    private Integer code;

    @Schema(description = "服务端响应时间戳（毫秒）", example = "1711363200000")
    private long timestamp = System.currentTimeMillis();

    @Schema(description = "业务数据载荷")
    private T result;

    @Schema(description = "当前页码（分页从 1 开始；非分页为 0）", example = "1")
    private long page;

    @Schema(description = "每页条数（非分页为 0）", example = "10")
    private long size;

    @Schema(description = "总记录数（非分页为 0）", example = "100")
    private long total;

    @Schema(description = "总页数（非分页为 0）", example = "10")
    private long pages;
}