<?php
/**
 * Création de la table osm_communes.
 * /opt/lampp/bin/php cli.php osm -a communes -m manuel
 *
 */
class ZonesAdmin {

	private $conteneur;
	private $bdd;
	private $messages;
	private $mode;

	private $bddOsmNom;

	public function __construct($conteneur) {
		$this->conteneur = $conteneur;
		$this->bdd = $this->conteneur->getBdd();
		$this->bddOsmNom = $this->conteneur->getParametre('bdd_osm_nom');
		$this->messages = $this->conteneur->getMessages();
		$this->mode = $this->conteneur->getParametre('m');
	}

	public function executer() {
		// Lancement de l'action demandée
		$cmd = $this->conteneur->getParametre('a');
		switch ($cmd) {
			case 'za' :
				$this->supprimerTableOsmZonesAdmin();
				$this->conteneur->getEfloreCommun()->chargerStructureSql();
				$this->creerTableOsmZonesAdmin();
				$this->corrigerTableOsmZonesAdmin();
				$this->mettreAJourIdZoneGeo();
				break;
			case 'zaCreer' :
				$this->creerTableOsmZonesAdmin();
				break;
			case 'zaCorriger' :
				$this->corrigerTableOsmZonesAdmin();
				break;
			case 'zaMajIdZG' :
				$this->mettreAJourIdZoneGeo();
				break;
			case 'zaSupprimer' :
				$this->supprimerTableOsmZonesAdmin();
				break;
			default :
				$this->messages->traiterErreur('Erreur : la commande "%s" n\'existe pas!', array($cmd));
		}

	}

	private function supprimerTableOsmZonesAdmin() {
		$requete = 'DROP TABLE IF EXISTS osm_zones_admin '.
			' -- '.__FILE__.' : '.__LINE__;
		$this->bdd->requeter($requete);
	}

	private function creerTableOsmZonesAdmin() {
		$requete = 'INSERT INTO osm_zones_admin '.
			"SELECT if(ref_insee != '' AND admin_level = 8, CONCAT('INSEE-C:',ref_insee), ".
			"if(ref_insee != '' AND admin_level = 6, CONCAT('INSEE-D:',ref_insee), ".
			"if(ref_insee != '' AND admin_level = 4, CONCAT('INSEE-R:',ref_insee), ".
			"if(iso3166_2 != '', CONCAT('ISO-3166-2:',iso3166_2), ".
			"if(iso3166_1 != '', CONCAT('ISO-3166-1:',iso3166_1), ".
			"CONCAT('OSM-ID:',osm_id)))))), ".
			'osm_id, osm_version, osm_timestamp, '.
			"if(name_fr != '', name_fr, name), ".
			'shape, shape_centroid, Y(shape_centroid), X(shape_centroid), zone, '.
			'admin_level, iso3166_1, iso3166_2, ref_insee, ref_nuts, '.
			'name, name_fr, name_en, name_es, wikipedia '.
			"FROM {$this->bddOsmNom}.multipolygons_ref ".
			' -- '.__FILE__.' : '.__LINE__;
		$this->bdd->requeter($requete);
	}

	private function corrigerTableOsmZonesAdmin() {
		$requete = 'SELECT osm_id, other_tags '.
			"FROM {$this->bddOsmNom}.multipolygons_ref ".
			"WHERE iso3166_2 IS NULL AND other_tags LIKE '%\"iso3166-2\"%' ".
			' -- '.__FILE__.' : '.__LINE__;
		$resultat = $this->bdd->recupererTous($requete);
		if ($resultat) {
			foreach ($resultat as $infos) {
				$tags = $this->getTags($infos['other_tags']);
				$iso_3166_2 = $this->bdd->proteger($tags['iso3166-2']);
				$osm_id = $this->bdd->proteger($infos['osm_id']);

				$requete = 'UPDATE osm_zones_admin '.
					"SET code_iso_3166_2 = $iso_3166_2 ".
					"WHERE osm_id = $osm_id ".
					' -- '.__FILE__.' : '.__LINE__;
				$this->bdd->requeter($requete);
			}
		}
	}

	private function getTags($tagsInfos) {
		$tags = array();
		$clesValeurs = explode(',', $tagsInfos);
		foreach ($clesValeurs as $cleValeur) {
			list($cle, $val) = explode('=>', $cleValeur);
			$tags[trim($cle, '"')] = trim($val, '"');
		}
		return $tags;
	}

	private function mettreAJourIdZoneGeo() {
		$requete = 'UPDATE osm_zones_admin '.
			"SET id_zone_geo = if(code_insee != '' AND niveau = 8, CONCAT('INSEE-C:',code_insee), ".
			"if(code_insee != '' AND niveau = 6, CONCAT('INSEE-D:',code_insee), ".
			"if(code_insee != '' AND niveau = 4, CONCAT('INSEE-R:',code_insee), ".
			"if(code_iso_3166_2 != '', CONCAT('ISO-3166-2:',code_iso_3166_2), ".
			"if(code_iso_3166_1 != '', CONCAT('ISO-3166-1:',code_iso_3166_1), ".
			"CONCAT('OSM-ID:',osm_id)))))) ".
			' -- '.__FILE__.' : '.__LINE__;
		$this->bdd->requeter($requete);
	}
}