import type { ApiResponse } from '@/types/common'

export class ApiResponseError extends Error {
  readonly code: number | string
  readonly traceId?: string

  constructor(response: ApiResponse<unknown>) {
    super(response.message || '接口请求失败')
    this.name = 'ApiResponseError'
    this.code = response.code
    this.traceId = response.traceId
  }
}

export function isSuccessCode(code: number | string) {
  return code === 0 || code === '0'
}

export function unwrapApiResponse<T>(response: ApiResponse<T>): T {
  if (!isSuccessCode(response.code)) {
    throw new ApiResponseError(response)
  }

  if (response.data === null) {
    throw new Error(response.message || '接口未返回业务数据')
  }

  return response.data
}

export function unwrapNullableApiResponse<T>(response: ApiResponse<T | null>): T | null {
  if (!isSuccessCode(response.code)) {
    throw new ApiResponseError(response)
  }

  return response.data
}