import type { AxiosError, AxiosInstance } from 'axios'

/**
 *  请求重试机制
 */

export class AxiosRetry {
  /**
   * 重试
   */
  retry(axiosInstance: AxiosInstance, error: AxiosError) {
    const { config } = error.response
    const { waitTime, count } = config?.requestOptions?.retryRequest
    config.__retryCount = config.__retryCount || 0
    if (config.__retryCount >= count)
      return Promise.reject(error)

    config.__retryCount += 1
    // 请求返回后config的header不正确造成重试请求失败,删除返回headers采用默认headers
    delete config.headers
    return this.delay(waitTime).then(() => axiosInstance(config))
  }

  /**
   * 延迟
   */
  private delay(waitTime: number) {
    return new Promise(resolve => setTimeout(resolve, waitTime))
  }
}