import {
  CREATE as MSSQL_CREATE,
  GET_NEXT_SORT as MSSQL_GET_NEXT_SORT,
} from '../../providers/mssql/queries/attributename.js';
import {
  CREATE as SQLITE_CREATE,
  GET_NEXT_SORT as SQLITE_GET_NEXT_SORT,
} from '../../providers/sqlite3/queries/attributename.js';
import resolveSelectedCompanyAccess from '../companyuser/resolveSelectedCompanyAccess.js';
import makeRunner from '../runner.js';

export default function create(provider) {
  const access = resolveSelectedCompanyAccess(provider);
  const isSqlite = provider?.dialect === 'sqlite3';
  const getSortSql = isSqlite ? SQLITE_GET_NEXT_SORT : MSSQL_GET_NEXT_SORT;
  const createSql = isSqlite ? SQLITE_CREATE : MSSQL_CREATE;

  /**
   * Creates an attribute name for the user's selected company.
   *
   * @param {number} googleAuthId - The id of the Google auth user.
   * @param {object} input - The attribute name input.
   * @param {string} input.name - The attribute name.
   * @param {number} [input.sort] - Optional sort order.
   * @param {boolean} [input.exclusive=false] - Whether values are mutually exclusive on an article.
   * @param {object} [tx] - Optional transaction.
   * @returns {Promise<{id: number, name: string, sort: number, exclusive: boolean, values: Array}>}
   */
  return async (googleAuthId, input = {}, tx) => {
    const name = input.name?.trim();
    if (!name) {
      throw new Error('Name required');
    }

    const runner = makeRunner(provider, tx);
    const { companyId } = await access(googleAuthId, tx);

    let sort = input.sort;
    if (sort == null || !Number.isInteger(sort)) {
      const next = await runner.query(getSortSql, { companyId });
      sort = next.rows[0].sort;
    }

    const exclusive = Boolean(input.exclusive) ? 1 : 0;

    const result = await runner.query(createSql, {
      companyId,
      name,
      sort,
      exclusive,
    });

    const id = result.rows[0]?.id ?? result.insertId;
    return {
      id,
      name,
      sort,
      exclusive: Boolean(exclusive),
      values: [],
    };
  };
}