package com.muyu.domain.constants;

import lombok.Data;

import java.io.Serializable;

/**
 * @author DongZl
 * @description: 响应信息主体
 */
@Data
public class Result<T> implements Serializable {

    private static final long serialVersionUID = 1L;
    /**
     * 成功
     */
    public static final int SUCCESS = Constants.SUCCESS;
    /**
     * 失败
     */
    public static final int FAIL = Constants.ERROR;
    /**
     * 返回状态码
     */
    private int code;
    /**
     * 响应信息
     */
    private String msg;
    /**
     * 响应数据
     */
    private T data;

    public static <T> Result<T> success() {
        return restResult(null, SUCCESS, Constants.SUCCESS_MSG);
    }

    public static <T> Result<T> success(T data) {
        return restResult(data, SUCCESS, Constants.SUCCESS_MSG);
    }

    public static <T> Result<T> success(T data, String msg) {
        return restResult(data, SUCCESS, msg);
    }

    public static <T> Result<T> error() {
        return restResult(null, FAIL, Constants.ERROR_MSG);
    }

    public static <T> Result<T> error(String msg) {
        return restResult(null, FAIL, msg);
    }

    public static <T> Result<T> error(T data) {
        return restResult(data, FAIL, Constants.ERROR_MSG);
    }

    public static <T> Result<T> error(T data, String msg) {
        return restResult(data, FAIL, msg);
    }

    public static <T> Result<T> error(int code, String msg) {
        return restResult(null, code, msg);
    }

    private static <T> Result<T> restResult(T data, int code, String msg) {
        Result<T> apiResult = new Result<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }
}