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

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

  let email = event.recipient;
  let text = "";
  let is_bad = false;
  let direction: Direction = null;
  switch (event.type) {
    case "SENT":
      text = "Attempting to Send Email";
      direction = "outbound";
      break;
    case "DROPPED":
      text = "Email Dropped";
      is_bad = true;
      break;
    case "PROCESSED":
      text = "Email Processed";
      direction = "outbound";
      break;
    case "DELIVERED":
      text = "Email Delivered";
      direction = "outbound";
      break;
    case "DEFERRED":
      text = "Email Deffered. It will be retried";
      is_bad = true;
      break;
    case "BOUNCE":
      text = "Email Bounced";
      is_bad = true;
      break;
    case "OPEN":
      text = "Email Opened";
      break;
    case "CLICK":
      text = "Link Clicked";
      direction = "inbound";
      break;
    case "STATUSCHANGE":
      text = "Email subscription status changed";
      is_bad = true;
      direction = "inbound";
      break;
    case "SPAMREPORT":
      text = "Email was reported as spam";
      is_bad = true;
      direction = "inbound";
      break;
    case "UNBOUNCE":
      text = "Email was unbounced";
      is_bad = true;
      email = event.user;
      break;
    default:
      text = `Unknown Hubspot Email Event - ${event.type}`;
      break;
  }

  return {
    id: `hubspot|${event.id}`,
    ts: Date.parse(event.created),
    user_info: {
      source_user_id: null,
      user_id: null,
      name: null,
      email: email || 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,
      ip: null,
      avatar: null,
      nickname: null,
      phone: null,
      city: null,
      country: null,
      postal_code: null,
      region: null,
      address_line1: null,
      continent_code: null,
      address_line2: null,
      country_code: null,
      timezone: null,
      user_agent: null,
      is_employee: null,
      custom_attributes: null
    },
    text,
    href: null,
    is_bad,
    direction,
    source: "hubspot",
    stream: "email_events"
  };
};