text: const querystring = require('querystring');
  const snekfetch = require('snekfetch');
  const { Error } = require('../../errors');
  
  class APIRequest {
    constructor(rest, method, path, options) {
      this.rest = rest;
      this.client = rest.client;
      this.method = method;
      this.path = path.toString();
      this.route = this.getRoute(this.path);
      this.options = options;
    }
  
    getRoute(url) {
      let route = url.split('?')[0];
      if (route.includes('/channels/') || route.includes('/guilds/')) {
        const startInd = route.includes('/channels/') ? route.indexOf('/channels/') : route.indexOf('/guilds/');
        const majorID = route.substring(startInd).split('/')[2];
        route = route.replace(/(\d{8,})/g, ':id').replace(':id', majorID);
      }
      return route;
    }
  
    getAuth() {
      if (this.client.token && this.client.user && this.client.user.bot) {
        return `Bot ${this.client.token}`;
      } else if (this.client.token) {
        return this.client.token;
      }
      throw new Error('TOKEN_MISSING');
    }
  
    gen() {
      const API = `${this.client.options.http.api}/v${this.client.options.http.version}`;
  
      if (this.options.query) {
        const queryString = (querystring.stringify(this.options.query).match(/[^=&?]+=[^=&?]+/g) || []).join('&');
        this.path += `?${queryString}`;
      }
  
      const request = snekfetch[this.method](`${API}${this.path}`);
  
      if (this.options.auth !== false) request.set('Authorization', this.getAuth());
      if (this.options.reason) request.set('X-Audit-Log-Reason', encodeURIComponent(this.options.reason));
      if (!this.rest.client.browser) request.set('User-Agent', this.rest.userAgentManager.userAgent);
  
      if (this.options.files) {
        for (const file of this.options.files) if (file && file.file) request.attach(file.name, file.file, file.name);
        if (typeof this.options.data !== 'undefined') request.attach('payload_json', JSON.stringify(this.options.data));
      } else if (typeof this.options.data !== 'undefined') {
        request.send(this.options.data);
      }
      return request;
    }
  }
  
  module.exports = APIRequest;
  