// @flow
import Sequelize from 'sequelize';
import Router from 'koa-router';
import auth from '../middlewares/authentication';
import pagination from './middlewares/pagination';
import { presentEvent } from '../presenters';
import { Event, Team, User } from '../models';
import policy from '../policies';

const Op = Sequelize.Op;
const { authorize } = policy;
const router = new Router();

router.post('events.list', auth(), pagination(), async ctx => {
  let { sort = 'createdAt', direction, auditLog = false } = ctx.body;
  if (direction !== 'ASC') direction = 'DESC';

  const user = ctx.state.user;
  const paranoid = false;
  const collectionIds = await user.collectionIds(paranoid);

  let where = {
    name: Event.ACTIVITY_EVENTS,
    teamId: user.teamId,
    [Op.or]: [
      { collectionId: collectionIds },
      {
        collectionId: {
          [Op.eq]: null,
        },
      },
    ],
  };

  if (auditLog) {
    authorize(user, 'auditLog', Team);
    where.name = Event.AUDIT_EVENTS;
  }

  const events = await Event.findAll({
    where,
    order: [[sort, direction]],
    include: [
      {
        model: User,
        as: 'actor',
      },
    ],
    offset: ctx.state.pagination.offset,
    limit: ctx.state.pagination.limit,
  });

  ctx.body = {
    pagination: ctx.state.pagination,
    data: events.map(event => presentEvent(event, auditLog)),
  };
});

export default router;