package com.wondertek.util;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.wondertek.enums.GlobalCodeEnum;
import lombok.Data;
import lombok.EqualsAndHashCode;
import lombok.ToString;

import java.util.ArrayList;
import java.util.List;

/**
 * 分页对象
 *
 * @param <T>
 */
@Data
@ToString
@EqualsAndHashCode(callSuper = true)
@JsonInclude(JsonInclude.Include.NON_NULL)
public class PageBean<T> extends ResultBean {

	/**
     * 总的页数
     */
    private Integer totalPage;
    /**
     * 总记录数
     */
    private Long totalCount;
    /**
     * 分页数据
     */
    private List<T> result;


    public PageBean() {}

	public PageBean(String code, String msg) {
    	super(code, msg);
	}

	/**
	 *
	 * @param totalPage 总页数
	 * @param totalCount 总数
	 * @param result
	 */
	public <K> PageBean(Integer totalPage, Long totalCount, List<T> result) {
		super(GlobalCodeEnum.SUCCESS.getCode(), GlobalCodeEnum.SUCCESS.getMsg());
		this.totalPage = totalPage;
		this.totalCount = totalCount;
		this.result = result;
	}

	public static <T> PageBean<T> ok(Integer totalPage, Long totalCount, List<T> result){
	    return new PageBean<>(totalPage, totalCount, result);
	}

	public static <T> PageBean<T> empty() {
		return new PageBean<>(0, 0L, new ArrayList<>());
	}

}