/**
 * API错误处理
 */
import type { AxiosError } from 'axios';

/**
 * API错误接口
 */
export interface IApiError {
  code: number;
  message: string;
  details?: unknown;
}

/**
 * API错误类（诶，就是要自定义）
 */
export class ApiError extends Error implements IApiError {
  public readonly code: number;
  public readonly details: unknown;

  constructor(code: number, message: string, details?: unknown) {
    super(message);
    this.name = 'ApiError';
    this.code = code;
    this.details = details;
  }

  /**
   * 从Axios错误创建API错误（就是为了简化）
   */
  static fromAxiosError(error: AxiosError): ApiError {
    if (!error.response) {
      return new ApiError(0, error.message || '网络错误');
    }

    const { status, data } = error.response;
    const message = data && typeof data === 'object' && 'message' in data
      ? data.message as string
      : '请求失败';

    return new ApiError(status, message, data);
  }
}