import { Transaction } from "sequelize";
import { Event, Star, User } from "@server/models";
import { sequelize } from "@server/storage/database";

type Props = {
  /** The user destroying the star */
  user: User;
  /** The star to destroy */
  star: Star;
  /** The IP address of the user creating the star */
  ip: string;
  /** Optional existing transaction */
  transaction?: Transaction;
};

/**
 * This command destroys a document star. This just removes the star itself and
 * does not touch the document
 *
 * @param Props The properties of the star to destroy
 * @returns void
 */
export default async function starDestroyer({
  user,
  star,
  ip,
  transaction: t,
}: Props): Promise<Star> {
  const transaction = t || (await sequelize.transaction());

  try {
    await star.destroy({ transaction });

    await Event.create(
      {
        name: "stars.delete",
        modelId: star.id,
        teamId: user.teamId,
        actorId: user.id,
        userId: star.userId,
        documentId: star.documentId,
        ip,
      },
      { transaction }
    );

    await transaction.commit();
  } catch (err) {
    await transaction.rollback();
    throw err;
  }

  return star;
}