<?php

// Namespace
namespace Modules;

/**
 * PasswordGenerator
 * @author Jan Doušek <mail@jandousek.cz>
 */

class PasswordGenerator {

  /* @var array */
  private $adjectives = ['female' => [], 'male' => []];

  /* @var array */
  private $nouns = ['female' => [], 'male' => []];

  /* @var array */
  private $verbs = [];

  /* @var object */
  public $page = null;

  /**
   * Constructor
   * @param void
   * @return void
   */

  public function __construct() {

    // Set page
    $this->page = new \Leximo\Post(['template' => GeneratorPage::POST_TEMPLATE]);

    // Set female adjectives
    $this->adjectives['female'] = explode("\n", $this->page->adjectives_female);

    // Set male adjectives
    $this->adjectives['male'] = explode("\n", $this->page->adjectives_male);

    // Set female nouns
    $this->nouns['female'] = explode("\n", $this->page->nouns_female);

    // Set male adjectives
    $this->nouns['male'] = explode("\n", $this->page->nouns_male);

    // Set verbs
    $this->verbs = explode("\n", $this->page->verbs);

  }

  /**
   * Get word
   * @param string $type
   * @param string $gender
   * @param bool $ucfirst
   * @return string
   */

  private function getWord($type, $gender, $ucfirst = false) {

    // Check type and set array
    if(in_array($type, ['adjective', 'noun'])) {

      // Check gender
      $array = $this->{$type . 's'}[($gender ? 'female' : 'male')];
    }

    // Set verbs
    else if ($type == 'verb') {
      $array = $this->verbs;
    }

    // Return with ucfirst
    if($ucfirst) {
      return ucfirst($array[array_rand($array)]);
    }

    // Return plain
    else {
      return array_rand($array[array_rand($array)]);
    }

  }

  /**
   * Get adjective
   * @param string $gender
   * @param bool $ucfirst
   * @return string
   */

  public function getAdjective($gender, $ucfirst = false) {
    return $this->getWord('adjective', $gender, $ucfirst);
  }

  /**
   * Get noun
   * @param bool $ucfirst
   * @return string
   */

  public function getNoun($gender, $ucfirst = false) {
    return $this->getWord('noun', $gender, $ucfirst);
  }

  /**
   * Get verb
   * @param bool $ucfirst
   * @return string
   */

  public function getVerb($ucfirst = false) {
    return $this->getWord('verb', $ucfirst);
  }

  /**
   * Generate
   * @param bool $ucfirst
   * @return string
   */

  public function generate($ucfirst = true) {

    // Set gender
    $gender = array_rand(['female', 'male']);

    // Return password
    return preg_replace("/\r|\n/", '', $this->getWord('adjective', $gender, $ucfirst) . $this->getWord('noun', $gender, $ucfirst) . $this->getWord('verb', $gender, $ucfirst));

  }

  /**
   * Conplicate
   * @param bool $password
   * @return string
   */

  public function complicate($password, $length = 12) {

    // Explode plain password by capitals
    $str1 = array_values(array_filter(preg_split('/(?=[A-Z])/', $password)));

    // Create second password
    $str2 = str_split(\Leximo\Generate::password($length, true, false), 1);

    // Split second password into columns
    $str2 = array_chunk($str2, ceil(count($str2) / count($str1)));

    // Join subarays in second password into string
    foreach($str2 as $key=>$val) $str2[$key] = implode('', $val);

    // Append the shorter string to the longer string
    for($x = 0; $x < count($str1); $x++) {
      $str1[$x] .= $str2[$x];
    }

    // Return
    return implode('', $str1);

  }

}