import assert from "assert";
import { RawEvent, NormalizedEvent } from "../../types";

const getText = (event: RawEvent) =>
  ({
    slack: "Slack Message Sent"
  }[event.delivery_type] || event.type);

export default (event: RawEvent): NormalizedEvent<"customer_io"> => {
  assert(event, `Customer.io:Messages null event: ${event}`);
  assert(
    event.id,
    `Customer.io:Messages event is missing the required field id ${event}`
  );
  assert(
    event.created,
    `Customer.io:Messages event is missing the required field created ${event}`
  );

  return {
    id: `customer_io|${event.id}`,
    ts: 1000 * event.created,
    user_info: {
      user_id: event.customer_id,
      source_user_id: null,
      name: null,
      email: null,
      ip: null,
      avatar: null,
      nickname: null,
      phone: null,
      city: null,
      continent_code: null,
      country: null,
      postal_code: null,
      region: null,
      timezone: null,
      country_code: null,
      address_line1: null,
      address_line2: null,
      user_agent: null,
      is_employee: null,
      title: null,
      birthday: null,
      company: {
        name: null,
        id: null,
        industry: null,
        employee_count: null,
        plan: null
      },
      created_at: null,
      age: null,
      gender: null,
      website: null,
      custom_attributes: null
    },
    text: `${getText(event)}${
      event.subject || event.failure_message
        ? ` : ${event.subject || event.failure_message}`
        : ""
    }`,
    href: `https://fly.customer.io/env/1/people/${event.customer_id}/sent`,
    is_bad: Boolean(event.failure_message),
    direction: null,
    source: "customer_io",
    stream: "messages"
  };
};