package com.oying.utils;

import java.io.Serializable;

/**
 * 响应信息主体
 *
 * @author lzp
 * @date 2025-04-22
 */
public class R<T> implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * 成功
     */
    public static final int SUCCESS = 0;

    /**
     * 失败
     */
    public static final int FAIL = 1;

    private int status;

    private String message;

    private T data;

    public static <T> R<T> success() {
        return restResult(null, SUCCESS, "null");
    }

    public static <T> R<T> success(T data) {
        return restResult(data, SUCCESS, null);
    }

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

    public static <T> R<T> fail() {
        return restResult(null, FAIL, null);
    }

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

    public static <T> R<T> fail(T data) {
        return restResult(data, FAIL, null);
    }

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

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

    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setStatus(code);
        apiResult.setData(data);
        apiResult.setMessage(msg);
        return apiResult;
    }

    public int getStatus() {
        return status;
    }

    public void setStatus(int status) {
        this.status = status;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    public static <T> Boolean isError(R<T> ret) {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret) {
        return R.SUCCESS == ret.getStatus();
    }
}