import { Calculator } from '@kasko/quote-calculator-js';

// Initiate calculator instance
const calculator = new Calculator();

(async () => {
  // Relative location of xlsx file
  const path = './kasko-demo.xlsx';
  /**
   * This will fill `Field Value` column based on
   * `Input field` name match. It will replace empty
   * fields with `null`.
   */
  const input = {
    duration: 'P5Y',
    policy_start_date: '2018-02-10',
  };
  /**
   * This will fill `Field Value` column based on
   * `Predefined field` name match. It will leave default
   * values as is, only replacing the ones provided in config.
   */
  const config = {
    tax_rate: 0.05
  };

  // Loads xlsx file, parses it and fills input and config values.
  await calculator.init(path, input, config);

  /**
   * To get calculated field `isValid` column.
   *
   * @example output:
   * ```json
   * {
   *   duration: true,
   *   policy_start_date: true
   * }
   * ```
   */
  const validation = calculator.validateInput();

  /**
   * To get calculated output data based on
   * `Quote field` and `Quote value` columns.
   *
   * @example output:
   * ```json
   * {
   *   gross_premium: 30000,
   *   extra_data: {
   *     flow: 'default'
   *   }
   * }
   * ```
   */
  const output = calculator.getOutput();
})()