<?php
class AdminModel
{

    private EnigmeGateway $enigme_gateway;
    private Nettoyage $nettoyage;
    private Validation $validation;

    function __construct()
    {
        global $error, $view, $rep;
        $this->enigme_gateway = new EnigmeGateway();
        $this->nettoyage = new Nettoyage();
        $this->validation = new Validation();
    }

    public function  addNewEnigmeSolo(string $nom,string $enonce,string $aide,string $rappel,string $exemple,string $test,string $solution, string $prompt) : Enigme
    {
        $last = $this->enigme_gateway->findLastEnigma();
        if ($last != null){
            $ordre = $last[0]->getOrdre() + 1;
        } else {
            $ordre = 1;
        }
        $enigme = new Enigme(1,$nom, $enonce, $aide, $rappel, $exemple, $solution, $test, $ordre, 0, 0, $prompt);
        $this->enigme_gateway->insert($enigme);
        $tabEnigme = $this->enigme_gateway->findLastEnigma();
        $js = fopen("View/src/JS/$nom.js", "w");
        if (is_resource($js)) {
            fwrite($js, "//~ Function that test the user code

async function submit(){
  var test = editor.getValue()+`\\n\n". $solution . "\n". $test . "\n`;
  exec(\"print ('True')\", \"code\"); 
  exec(test, \"solution\");
  result.innerHTML = \"Test en cours...\";
  await new Promise(r => setTimeout(r, 1500));
  check();
}");
            fclose($js);
          } else {
            throw new Exception("Impossible d'ouvrir le fichier");
          }
        return $tabEnigme[0];
    }

    public function deleteEnigme(int $id) : void
    {
      $nom = $this->enigme_gateway->findById($id)[0]->getNom();
      $this->enigme_gateway->delete($id);
      unlink('View/src/JS/'.$nom.'.js');
    }

    public function getEnigmesSolo() : array
    {
        return $this->enigme_gateway->findSoloEnigma();
    }
    public function getEnigmeById (int $id) : Enigme
    {
        return $this->enigme_gateway->findById($id)[0];
    }
    public function editEnigme(int $id, string $nom,string $enonce,string $aide,string $rappel,string $exemple,string $test,string $solution, string $prompt) : Enigme
    {
        $old = $this->enigme_gateway->findById($id)[0];
        $ordre = $old->getOrdre();
        $enigme = new Enigme($id,$nom, $enonce, $aide, $rappel, $exemple, $solution, $test, $ordre, 0, 0, $prompt);
        $this->enigme_gateway->update($enigme);
        $js = fopen("View/src/JS/$nom.js", "w");
        if (is_resource($js)) {
            fwrite($js, "//~ Function that test the user code

async function submit(){
  var test = editor.getValue()+`\\n\n". $solution . "\n". $test . "\n`;
  exec(\"print ('True')\", \"code\"); 
  exec(test, \"solution\");
  result.innerHTML = \"Test en cours...\";
  await new Promise(r => setTimeout(r, 1500));
  check();
}");
            fclose($js);
            if ($old->getNom() != $nom){
              unlink('View/src/JS/'.$old->getNom().'.js');
            }
          } else {
            throw new Exception("Impossible d'ouvrir le fichier");
          }
        return $enigme;
    }

    private function checkOrdre(array $lesOrdres){
      $lesNombres = array();
      foreach ($lesOrdres as $ordre) {
          if ($ordre[1] < 1) {
              return false;
          }
          $lesNombres[] = $ordre[1];
      }
      sort($lesNombres);
      if ($lesNombres[0] != 1) {
          return false;
      }
      $last = end($lesNombres);
      $i = 0;
      while ($i < $last) {
          if ($lesNombres[$i] != $i+1) {
          echo "Error";
              return false;
          }
          $i++;
      }
      return true;
  }
    
    public function modifOrdre(array $lesOrdres){
      if (!$this->checkOrdre($lesOrdres)){
        throw new Exception("Les ordres ne sont pas corrects");
      }
      foreach ($lesOrdres as $ordre){
        $enigme = $this->enigme_gateway->findById($ordre[0])[0];
        $enigme->setOrdre($ordre[1]);
        $this->enigme_gateway->update($enigme);
      }
    }
}