<?php
class Projet {
	private $ressources = null;
	private $paramsVerif = null;
	private $ressourcesVerif = null;
	private $versionVerif = null;
	private $cheminBase = '';
	private $cheminConfig = '';
	private $cheminBiblio = '';
	private $serviceGenerique = '';

	public function __construct(Ressources $ressources) {
		$this->ressources = $ressources;
	}

	public function setCheminBase($chemin) {
		$this->cheminBase = $chemin;
	}

	public function setCheminConfig($chemin) {
		$this->cheminConfig = $chemin;
	}

	public function setCheminBiblio($chemin) {
		$this->cheminBiblio = $chemin;
	}

	public function setParamsVerif($paramsVerificateur) {
		$this->paramsVerif = $paramsVerificateur;
	}

	public function setVersionVerif($versionVerificateur) {
		$this->versionVerif = $versionVerificateur;
	}

	public function setRessourcesVerif($ressourcesVerificateur) {
		$this->ressourcesVerif = $ressourcesVerificateur;
	}

	public function setServiceGenerique($generique) {
		$this->serviceGenerique = $generique;
	}

	public function initialiser() {
		$this->chargerConfig();
		// php5.3 : Enregistrement en première position des autoload de la méthode gérant les classes des services
		if (phpversion() < 5.3) {
			spl_autoload_register(array($this, 'chargerClasseProjet'));
		} else {
			spl_autoload_register(array($this, 'chargerClasseProjet'), true , true);
		}
	}

	private function chargerConfig() {
		$projet = $this->getNom();
		$chemin = $this->cheminConfig."config_$projet.ini";
		Config::charger($chemin);
	}

	public function getNom() {
		return $this->ressources->getProjetNom();
	}

	public function getClasse() {
		return $this->ressources->getServiceClasse().ucfirst($this->getNom());
	}

	private function chargerClasseProjet($classe) {
		if (class_exists($classe)) {
			return null;
		}

		$chemins = array();
		$chemins[] = $this->cheminBase.$this->getNom().DS;
		$chemins[] = $this->cheminBase.'commun'.DS;
		$chemins[] = $this->cheminBiblio;
		$chemins[] = $this->cheminBiblio.'generique'.DS;
		$chemins[] = $this->cheminBiblio.'interfaces'.DS;
		$chemins[] = $this->cheminBiblio.'nom'.DS;
		$chemins[] = $this->cheminBiblio.'nom'.DS.'decorateurs'.DS;
		$chemins[] = $this->cheminBiblio.'ontologie'.DS;
		$chemins[] = $this->cheminBiblio.'ontologie'.DS.'decorateurs'.DS;

		foreach ($chemins as $chemin) {
			$chemin = $chemin.$classe.'.php';
			if (file_exists($chemin)) {
				require_once $chemin;
			}
		}
	}

	public function verifier() {
		$this->paramsVerif->verifier();
		$this->ressourcesVerif->verifier();
		$this->versionVerif->verifier();
		$this->verifierExistanceServiceClasse();
	}

	private function verifierExistanceServiceClasse() {
		$classe = $this->getClasse();
		$existe = $this->verifierExistanceClasseDuProjet($classe);

		if ($existe === false) {
			$service = $this->ressources->getServiceNom();
			$projet = $this->getNom();
			$message = "La classe du service demandé '$service' n'existe pas dans le projet '$projet' !";
			$code = RestServeur::HTTP_CODE_RESSOURCE_INTROUVABLE;
			throw new Exception($message, $code);
		}
	}

	private function verifierExistanceClasseDuProjet($classe) {
		$chemins = array();
		$chemins[] = $this->cheminBase.$this->getNom().DS.$classe.'.php';
		$chemins[] = $this->cheminBase.'commun'.DS.$classe.'.php';

		$existe = false;
		foreach ($chemins as $chemin) {
			if (file_exists($chemin)) {
				$existe = true;
				break;
			}
		}
		return $existe;
	}

	public function consulter() {
		$serviceNom = $this->getClasse();
		$service = new $serviceNom($this->serviceGenerique);
		$retour = $service->consulter();
		return $retour;
	}

}
?>