import { CREATE as MSSQL_CREATE } from '../../providers/mssql/queries/tax.js';
import { CREATE as SQLITE_CREATE } from '../../providers/sqlite3/queries/tax.js';
import makeRunner from '../runner.js';

export default function create(provider) {
  const sql = provider.dialect === 'sqlite3' ? SQLITE_CREATE : MSSQL_CREATE;
  /**
   * Creates a new tax rate.
   *
   * @param {number} rate - The tax rate in percent (e.g. `19`).
   * @param {object} [tx] - Optional transaction to run within.
   * @returns {Promise<number>} The id of the created tax rate.
   *
   * @example
   * const id = await store.tax.create(19);
   * // => 1
   */
  return async (rate, tx) => {
    if (typeof rate !== 'number' || !Number.isFinite(rate) || rate < 0) {
      throw new Error('Invalid tax rate');
    }
    const result = await makeRunner(provider, tx).query(sql, { rate });
    return result.rows[0]?.id ?? result.insertId;
  };
}