package com.filesystem.utils;

import lombok.Data;

/**
 * 统一API响应实体类
 */
@Data
public class ApiResult<T> {
    
    private int code;
    private String message;
    private T data;
    
    public ApiResult() {}
    
    public ApiResult(int code, String message, T data) {
        this.code = code;
        this.message = message;
        this.data = data;
    }
    
    // ========== 成功 ==========
    
    public static <T> ApiResult<T> success() {
        return new ApiResult<>(200, "success", null);
    }
    
    public static <T> ApiResult<T> success(T data) {
        return new ApiResult<>(200, "success", data);
    }
    
    public static <T> ApiResult<T> success(String message, T data) {
        return new ApiResult<>(200, message, data);
    }
    
    public static <T> ApiResult<T> success(String message) {
        return new ApiResult<>(200, message, null);
    }
    
    // ========== 错误 ==========
    
    public static <T> ApiResult<T> error(String message) {
        return new ApiResult<>(400, message, null);
    }
    
    public static <T> ApiResult<T> error(int code, String message) {
        return new ApiResult<>(code, message, null);
    }
    
    public static <T> ApiResult<T> error(int code, String message, T data) {
        return new ApiResult<>(code, message, data);
    }
    
    // ========== 未授权 ==========
    
    public static <T> ApiResult<T> unauthorized(String message) {
        return new ApiResult<>(401, message, null);
    }
    
    // ========== 禁止 ==========
    
    public static <T> ApiResult<T> forbidden(String message) {
        return new ApiResult<>(403, message, null);
    }
    
    // ========== 未找到 ==========
    
    public static <T> ApiResult<T> notFound(String message) {
        return new ApiResult<>(404, message, null);
    }
    
    // ========== 服务器错误 ==========
    
    public static <T> ApiResult<T> serverError(String message) {
        return new ApiResult<>(500, message, null);
    }
}