Secret Santa

secret-santa.ts

import axios from "axios";

const people = {
  Seth: "email@example.com"
  Nick: "email@example.com",
  Aman: "email@example.com",
  Troy: "email@example.com",
};

const names = Object.keys(people);
const assigned = [];

let assignment = names.reduce(
  (acc, name) => ({
    ...acc,
    [name]: undefined,
  }),
  {}
);

const getRemaining = () => names.filter((name) => !assigned.includes(name));

const getRecipient = (secretSantaName: string) => {
  const list = getRemaining();
  const remaining = list.filter((name) => secretSantaName !== name);
  return remaining[Math.floor(Math.random() * remaining.length)];
};

const assignSecretSantas = async () => {
  for (const santa in assignment) {
    const recipient = getRecipient(santa);
    assigned.push(recipient);
    assignment[santa] = recipient;
  }

  for (const santa in assignment) {
    if (!santa) {
      console.log("list borked. regenerating.");
      await assignSecretSantas();
      return;
    }
  }

  for (const name of names) {
    const email = people[name];

    const response = await axios({
      data: {
        message: {
          to: {
            email,
          },
          content: {
            title: "Your Secret Santa",
            body: `{{name}}, your secret santa is {{assignee}}`,
          },
          data: {
            name,
            assignee: assignment[name],
          },
        },
      },
      headers: {
        Authorization: `Bearer ${process.env.COURIER_API_KEY}`,
      },
      method: "POST",
      url: "https://api.courier.com/send",
    });

    console.log(response.data);
  }
};

assignSecretSantas();