'use strict';

const { Ven } = require('../db');

async function fetchEvent(venId) {
  return {
    event_identifier: '112233eca8d4e829ff5c0f0c8e68710',
    client_id: venId,
    test_event: false,
    event_mod_number: 2,
    offLine: false,
    dr_mode_data: {
      operation_mode_value: 'NORMAL',
      // currentTime: 'xxxxx', //TODO: find reasonable value
    },
    dr_event_data: {
      notification_time: '2020-04-22T00:00:00.000Z',
      start_time: '2020-04-22T06:00:00.000Z',
      end_time: '2020-04-22T06:55:00.000Z',
      event_instance: [
        {
          event_type_id: 'LOAD_DISPATCH',
          event_info_values: [
            { value: 41, timeOffset: 0 },
            { value: 42, timeOffset: 5 * 60 },
            { value: 43, timeOffset: 10 * 60 },
          ],
        },
      ],
    },
  };
}

async function fetchRegistration(venId) {
  const venRecord = await Ven.findOne({
    where: { ven_id: venId },
  });
  if (venRecord) return venRecord.data.registration;
}

async function updateRegistration(registration) {
  if (registration.ven_id == null) {
    throw new Error('Registration is missing ven_id');
  }
  if (registration.common_name == null) {
    throw new Error('Registration is missing common_name');
  }
  let venRecord = await Ven.findOne({
    where: { ven_id: registration.ven_id },
  });

  if (venRecord) {
    const newData = venRecord.data || {};
    newData.registration = registration;
    venRecord.set('data', newData); // setting `data` directly on object doesn't trigger change detection
  } else {
    venRecord = new Ven();
    venRecord.ven_id = registration.ven_id;
    venRecord.common_name = registration.common_name;
    const newData = { registration: registration };
    venRecord.set('data', newData);
  }
  await venRecord.save();
}

module.exports = {
  fetchEvent,
  fetchRegistration,
  updateRegistration,
};