import { dataSource } from "../data-source";
import { query } from "../entity/query";
import InternalException from "../exceptions/internalException";
import { CreateQueryStoreCommand, DeleteQueryStoreCommand, UpdateQueryStoreCommand } from "./queryStoreCommand";

export default abstract class QueryStoreCommandHandler {
  /**
   * @description create queryStore
   * @param CreateQueryStoreCommand
   * @returns {Promise<number>}
   */
  static async create(createQueryStore: CreateQueryStoreCommand): Promise<number> {
    return await dataSource
      .createQueryBuilder()
      .insert()
      .into(query)
      .values({
        title: createQueryStore.title,
        query:
          typeof createQueryStore.query == "string" ? createQueryStore.query : JSON.stringify(createQueryStore.query),
      })
      .execute()
      .then((result) => {
        return result.identifiers[0].id;
      })
      .catch((err) => {
        throw new InternalException("Failed creating queryStore", err);
      });
  }

  /**
   * @description update queryStore
   * @param UpdateQueryStoreCommand
   * @returns {Promise<void>}
   */
  static async update(updateQueryStore: UpdateQueryStoreCommand): Promise<void> {
    return await dataSource
      .createQueryBuilder()
      .update(query)
      .set({
        query:
          typeof updateQueryStore.query == "string" ? updateQueryStore.query : JSON.stringify(updateQueryStore.query),
      })
      .where("id = :id", { id: updateQueryStore.id })
      .execute()
      .then(() => {})
      .catch((err) => {
        throw new InternalException("Failed updating queryStore", err);
      });
  }

  /**
   * @description delete queryStore
   * @param DeleteQueryStoreCommand
   * @returns {Promise<void>}
   */
  static async delete(deletQueryStore: DeleteQueryStoreCommand): Promise<void> {
    return await dataSource
      .createQueryBuilder()
      .delete()
      .from(query)
      .where("id = :id", { id: deletQueryStore.id })
      .execute()
      .then(() => {})
      .catch((err) => {
        throw new InternalException("Failed deleting queryStore", err);
      });
  }
}