# Source: businessRules/rules/promptOperations.js

    /* eslint-disable no-undef */
    /**
     * @file promptOperations.js
     * @module promptOperations
     * @description A simple prompt module to get input from the user using process.stdin.
     * @requires module:loggers
     * @requires {@link https://www.npmjs.com/package/@haystacks/constants|@haystacks/constants}
     * @requires {@link https://nodejs.dev/learn/the-nodejs-fs-module|fs}
     * @requires {@link https://www.npmjs.com/package/path|path}
     * @author Seth Hollingsead
     * @date 2022/05/04 - May the Forth be with you!! ;-)
     * @copyright Copyright © 2022-… by Seth Hollingsead. All rights reserved
     */

    // Internal imports
    import loggers from '../../executrix/loggers.js';
    // External imports
    import hayConst from '@haystacks/constants';
    import fs from 'fs';
    import path from 'path';

    const {bas, gen, msg, sys, wrd} = hayConst;
    const baseFileName = path.basename(import.meta.url, path.extname(import.meta.url));
    // businessRules.rules.promptOperations.
    const namespacePrefix = sys.cbusinessRules + bas.cDot + wrd.crules + bas.cDot + baseFileName + bas.cDot;
    const term = 13; // carriage return

    /**
     * @function prompt
     * @description Prompts the user for some input and returns the input.
     * @param {string} inputData What the prompt should display when asking the user for input.
     * @param {string} inputMetaData Not used for this business rule.
     * @return {string} A string of whatever input the user gave.
     * @author Seth Hollingsead
     * @date 2022/05/04 - May the Forth be with you!! ;-)
     */
    async function prompt(inputData, inputMetaData) {
      let functionName = prompt.name;
      await loggers.consoleLog(namespacePrefix + functionName, msg.cBEGIN_Function);
      await loggers.consoleLog(namespacePrefix + functionName, msg.caskIs + JSON.stringify(inputData));
      await loggers.consoleLog(namespacePrefix + functionName, msg.cinputMetaDataIs + JSON.stringify(inputMetaData));
      let returnData = '';
      if (inputData) {
        await process.stdout.write(inputData);
      }

      let buffer = Buffer.alloc(1024),
        // eslint-disable-next-line no-unused-vars
        fd = process.platform === gen.cwin32 ? process.stdin.fd : await fs.openSync(sys.cdevtty, bas.cr),
        // readSize = fs.readSync(fd, buffer, 0, 1024);
        readSize = await fs.readSync(0, buffer, 0, 1024);

        await loggers.consoleLog(namespacePrefix + functionName, msg.cINPUT + buffer.toString(gen.cUTF8, 0, readSize));
      returnData = buffer.toString(gen.cUTF8, 0, readSize);
      if (returnData.includes(String.fromCharCode(term))) {
        // Caught the case that the input string contains the global carriage return term.
        // index of the carriage return character:
        await loggers.consoleLog(namespacePrefix + functionName, msg.cprompt01);
        await loggers.consoleLog(namespacePrefix + functionName, msg.cprompt02 + returnData.indexOf(String.fromCharCode(term)));
        returnData = returnData.slice(0, returnData.indexOf(String.fromCharCode(term)));
      } else if (returnData.includes(bas.cCarriageReturn + bas.cNewLine)) {
        // Caught the case that the string includes a carriage return and new ine characters.
        await loggers.consoleLog(namespacePrefix + functionName, msg.cprompt03);
        returnData = returnData.slice(0, returnData.indexOf(bas.cCarriageReturn + bas.cNewLine));
      }
      await loggers.consoleLog(namespacePrefix + functionName, msg.creturnDataIs + JSON.stringify(returnData));
      await loggers.consoleLog(namespacePrefix + functionName, msg.cEND_Function);
      return returnData;
    }

    export default {
      prompt
    };