knowbee/rwa-faker

const person = require("./data/rw");
const { randomizr, shuffler } = require("./helpers");

const patterns = [".", "_"];
const generator = {
  /**
   * generate first name in rwanda native language.
   * @param {number} n - if n is given, function generate array of n strings of first names.
   * @return {array|string} Function returns either a string or array of strings, maximum is a 100.
   */
  firstName: n => {
    if (n && typeof n !== "number") {
      return "failed, wrong input";
    }
    if (n && typeof n === "number" && n < 101) {
      return person.name.first_name
        .sort(() => Math.random() - 0.5)
        .splice(0, n);
    }
    return person.name.first_name[randomizr(person.name.first_name)];
  },
  /**
   * generate last name in rwanda native language.
   * @param {number} n - if n is given, function generate array of n strings of last names.
   * @return {array|string} Function returns either a string or array of strings, maximum is a 100.
   */
  lastName: n => {
    if (n && typeof n !== "number") {
      return "failed, wrong input";
    }
    if (n && typeof n === "number" && n < 101) {
      return person.name.last_name.sort(() => Math.random() - 0.5).splice(0, n);
    }
    return person.name.last_name[randomizr(person.name.last_name)];
  },
  /**
   * generate full name in rwanda native language.
   * @param {number} n - if n is given, function generate array of n strings of full names.
   * @return {array|string} Function returns either a string or array of strings, maximum is a 100.
   */

  fullName: n => {
    if (n && typeof n !== "number") {
      return "failed, wrong input";
    }
    if (n && typeof n === "number" && n < 101) {
      let results = [];
      for (let i = 0; i < n; i++) {
        let full = `${person.name.first_name[i]} ${person.name.last_name[i]}`;
        results.push(full);
      }
      return results;
    }
    return `${person.name.first_name[randomizr(person.name.first_name)]} ${
      person.name.last_name[randomizr(person.name.last_name)]
    }`;
  },
  /**
   * generate email in rwanda native language.
   * @param {number} n - if n is given, function generate array of n strings of emails.
   * @return {array|string} Function returns either a string or array of strings, maximum is a 100.
   */
  email: n => {
    if (n && typeof n !== "number") {
      return "failed, wrong input";
    }
    if (n && typeof n === "number" && n < 101) {
      let results = [];
      for (let i = 0; i < n; i++) {
        let mail = `${shuffler(person.name.first_name)[i].toLowerCase()}${
          shuffler(patterns)[randomizr(patterns)]
        }${person.name.last_name[i].toLocaleLowerCase().substring(0, 4)}@${
          person.email.domain[i]
        }`;
        results.push(mail);
      }
      return results;
    }
    return `${person.name.first_name[
      randomizr(person.name.first_name)
    ].toLowerCase()}${patterns[randomizr(patterns)]}${person.name.last_name[
      randomizr(person.name.last_name)
    ]
      .toLocaleLowerCase()
      .substring(0, 4)}@${person.email.domain[randomizr(person.email.domain)]}`;
  }
};

module.exports = generator;