import config from '../config'
import { request_get } from '../request'
import {zipObject} from 'lodash'
import {md5} from 'js-md5'
import { cookieJar } from '../cookie'

const { ali1688_api_key, ali1688_host, ali1688_jsv, ali1688_token_api, ali1688_v } = config

class Token {
  cookies: Record<string, string> = {}
  getCookies: () => Promise<any>

  constructor(options) {
    this.getCookies = options?.getCookies
  }

  get token_url() {
    return `https://${ali1688_host}/h5/${ali1688_token_api.toLowerCase()}/${ali1688_v}/`
  }

  get t() {
    return Math.floor(Date.now() / 1000)
  }

  get_sign(data, t, token) {
    const text = `${token}&${t}&${ali1688_api_key}&${data}`
    const sign_str = md5(text)
    return sign_str
  }

  get_token_params() {
    return {
      jsv: ali1688_jsv,
      appKey: ali1688_api_key,
      t: this.t,
      api: ali1688_token_api,
      v: ali1688_v,
      type: 'json',
      dataType: 'jsonp',
      callback: 'mtopjsonp1',
      preventFallback: true,
      data: {},
    }
  }

  token_headers() {
    const headers: any = {
      'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
    }
    headers.authority = 'h5api.m.1688.com'
    headers.Referer = 'https://www.1688.com/'
    return headers
  }

  async token_request() {
    const params = this.get_token_params()
    await request_get(this.token_url, params, this.token_headers())
    if(this.getCookies) {
      this.cookies = await this.getCookies()
    }else {
      const cookies = cookieJar.toJSON().cookies
      this.cookies = zipObject(cookies.map(item => item.key),cookies.map(item => item.value)) 
    } 
  }

  get token() {
    if (!this.cookies || !this.cookies._m_h5_tk) {
      throw new Error('cookie not found _m_h5_tk')
    }

    const cookie_list = this.cookies._m_h5_tk.split('_')
    if (cookie_list.length < 2) {
      throw new Error('cookie _m_h5_tk not found \'_\' ')
    }

    const token = cookie_list[0]
    return token
  }
}

export default Token