endpoints.ts

import { IResponse } from "./util.ts";
import { ServerRequest } from "https://deno.land/std@0.92.0/http/server.ts";
import { nameMatchesPhoneNumber, numberIsLeaked, doneLoading } from "./datasets/index.ts";

const endpoints: Array<{
  method: string | string[],
  urlMatcher: (url: URL) => boolean,
  handler(respond: (res: IResponse) => void, url: URL, body: object | undefined, request: ServerRequest): Promise<void>,
}> = [
  {
    method: 'POST',
    urlMatcher: url => url.pathname == '/check',
    handler: async (respond, url, body: { phoneNumber: string, name?: string } | undefined) => {
      if (!body?.phoneNumber) {
        respond({
          status: 400,
          body: 'missing \'phoneNumber\' in body',
        });
        return;
      }
      const name = body.name?.trim();
      let phoneNumber = body.phoneNumber.replace(/\s/g, '');

      if (!/^((\+|00)?31|0)\d{9}$/.test(phoneNumber)) {
        respond({
          status: 400,
          body: 'invalid phone number',
        });
        return;
      }

      if (!doneLoading()) {
        respond({
          status: 503,
          body: 'aan het opstarten, probeer het over een halve minuut nog eens',
        });
        return;
      }

      if (phoneNumber.substr(0, 4) == '+316') {
        phoneNumber = phoneNumber.slice(1);
      }
      else if (phoneNumber.substr(0,2) == '06') {
        phoneNumber = '31' + phoneNumber.slice(1);
      }

      const numberIsPwned = numberIsLeaked(phoneNumber);
      const nameMatches = name && numberIsPwned ? nameMatchesPhoneNumber(phoneNumber, name) : null;

      respond({
        body: JSON.stringify({
          numberIsPwned,
          nameMatches
        }),
        headers: new Headers({
          'Content-Type': 'application/json'
        }),
      });
    }
  },
];
export default endpoints;