import { merge } from 'lodash'
import type { AxiosError, AxiosInstance, AxiosRequestConfig, CancelTokenSource } from 'axios'
import axios from 'axios'
import { getError, parseResponse } from './parse'
import { HTTP_METHODS } from '~/constants'
import { config } from '~/configs'
import type { RequestOptions } from '~/types/models/requestOptions'

const TIMEOUT = 180000
const { CancelToken } = axios
const { API_BASE_URL } = config
const axiosInstance = axios.create({
  baseURL: API_BASE_URL,
  timeout: TIMEOUT,
})
const axiosInstanceSource = CancelToken.source()

export function setAxiosRequestConfig(
  api: AxiosInstance, { token: cancelToken }: CancelTokenSource, method: string, url: string, options?: RequestOptions,
) {
  const requestConfig = merge({
    url,
    cancelToken,
    method,
  }, options)

  // eslint-disable-next-line no-console
  console.log(requestConfig)

  return api(requestConfig as AxiosRequestConfig)
}

/**
 * Attach common codes before and after api call.
 * 1. Add cancel token for cancelling all requests.
 * 2. Parse basic response
 * @param {object} api
 * @param {object} source
 * @param {function} parse
 * @returns {*}
 */
export function getHttpMethodsWithCancel(
  api = axiosInstance,
  source = axiosInstanceSource,
  parse = parseResponse,
) {
  const getApiPromise = (method: string, url: string, options?: RequestOptions) =>
    setAxiosRequestConfig(api, source, method, url, options)
      .then(parse)
      .catch((error: AxiosError) => {
        getError(error)
      })

  return {
    get(url: string, options?: RequestOptions) {
      return getApiPromise(HTTP_METHODS.GET, url, options)
    },
    post(url: string, options?: RequestOptions) {
      return getApiPromise(HTTP_METHODS.POST, url, options)
    },
    put(url: string, options?: RequestOptions) {
      return getApiPromise(HTTP_METHODS.PUT, url, options)
    },
    /**
     * Axios's delete accepts url and configs only.
     * If you want to send data with delete, use configs.data
     * @see https://github.com/axios/axios/issues/897#issuecomment-343715381
     */
    delete(url: string, options?: RequestOptions) {
      return getApiPromise(HTTP_METHODS.DELETE, url, options)
    },
    cancelAPIs() {
      source.cancel('API is canceled by cancelAPIs')
    },
  }
}

export default getHttpMethodsWithCancel()