import assert from "assert";

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

export default (event: RawEvent): NormalizedEvent<"bugsnag"> => {
  assert(event, `bugsnag:Events null event: ${event}`);
  assert(
    event.id,
    `bugsnag:Events event is missing the required field id ${event}`
  );
  assert(
    event.received_at,
    `bugsnag:Events event is missing the required field received_at ${event}`
  );

  const exception = event.exceptions[0];

  // https://bugsnagapiv2.docs.apiary.io/#reference/errors/events/view-an-event
  // The `html_url` property onis injected by the tap
  return {
    id: `bugsnag|${event.id}`,
    ts: Date.parse(event.received_at),
    user_info: {
      source_user_id: null,
      user_id: (event.user && event.user.id) || null,
      name: (event.user && event.user.name) || null,
      email: (event.user && event.user.email) || null,
      ip: null,
      avatar: (event.user && event.user.avatar) || null,
      nickname: (event.user && event.user.username) || null,
      phone: null,
      city: null,
      continent_code: null,
      country: null,
      postal_code: null,
      region: null,
      timezone: null,
      country_code: null,
      address_line1: null,
      address_line2: null,
      user_agent: null,
      is_employee: null,
      title: null,
      birthday: null,
      company: {
        name: null,
        id: null,
        industry: null,
        employee_count: null,
        plan: null
      },
      created_at: null,
      age: null,
      gender: null,
      website: null,
      custom_attributes: null
    },
    text: !!exception
      ? `${exception.error_class}: ${exception.message}`
      : "An error occurred",
    href: event.html_url || null,
    is_bad: true,
    direction: null,
    source: "bugsnag",
    stream: "events"
  };
};