<?php
namespace Module\Agefoddx\Classe\GestionBD;
use Module\Agefoddx\Classe\Classe\GestionTexte;
class  bdExterneLigneGestion {
    /**
     * @param bdExterneInteraction $bd bd externe qui permet le requêtage sql
     * @param string $nomTable nom de la table
     * @return array renvoie le nom des colones de la table
     */
    public static function getListeLigne (bdExterneInteraction $bd, string $nomTable) {
        $pdo = $bd->getPdo();
        $list = [];
        $resql= $pdo->query("SELECT column_name as 'row_name' FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '$nomTable';");
        foreach ($resql as $value){
            if (!in_array($value["row_name"], self::getListeFK($bd, $nomTable)))
            $list[] = $value["row_name"];
        } return $list;
    }

    /**
     * @param bdExterneInteraction $bd bd externe qui permet le requêtage sql
     * @param string $nomTable nom de la table
     * @param string $nomLigne nom de la colonne
     * @return string|null renvoie le type de la colonne
     */
    public static function getTypeLigne(bdExterneInteraction $bd, string $nomTable, string $nomLigne) : ?string {
        $pdo = $bd->getPdo();
        $resql = $pdo->query("SELECT COLUMN_TYPE as 'colType'FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '$nomTable' AND COLUMN_NAME = '$nomLigne';");
        foreach ($resql as $value)$result = $value["colType"];
        if ($result != '') return $result;
        else return null;
    }

    /**
     * @param bdExterneInteraction $bd bd externe qui permet le requêtage sql
     * @param string $nomTable nom de la table
     * @return array renvoie la liste des clefs étrangères de la table
     */
    public static function getListeFK(bdExterneInteraction $bd, string $nomTable) {
        $pdo = $bd->getPdo();
        $list = [];
        $resql= $pdo->query("SELECT COLUMN_NAME as 'NomLigne', REFERENCED_TABLE_NAME AS 'TableReference' FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE WHERE TABLE_NAME = '$nomTable' AND REFERENCED_TABLE_NAME IS NOT NULL;");
        foreach ($resql as $value){
            $list[] =["row_name" => $value["NomLigne"], "TableReference"=>$value['TableReference']];
        }
        return $list;
    }
}