<?php
namespace Bsr\Db;

use Bsr\Db\Exception\SqlException;
use Gbili\PDOWithFilters\PDOWithFilters;

class Connection
{
    /**
     * All params are treated as \PDO::PARAM_STR
     * Manually bindParam with a specific \PDO::PARAM_TYPE
     * if \PDO::PARAM_STR does not work for you.
     * To do it manually copy paste the code below and replace the
     *  $statement = PDOWithFilters::prepare($sql);
     *  $success = $statement->execute($values);
     * With:
     *  $statement = PDOWithFilters::prepare($sql);
     *  $statement->bindParam(':myParam', $values[':myParam'], \PDO::PARAM_TYPE);
     *  $success = $statement->execute();
     *
     * @param $query
     * @param bool $throw_error
     * @return OdbcResultSet|resource|string
     * @throws SqlException
     */
    public static function execute($sql, $values = array(), $fetchMode = \PDO::FETCH_ASSOC)
    {
        $statement = PDOWithFilters::prepare($sql);
        $success = $statement->execute(!empty($values) ? $values : null);

        if (!$success) {
          throw new SqlException('SQL There was an error executing the request');
        }

        if (strpos($sql, "SELECT") !== false || strpos($sql, "OUTPUT INSERTED") !== false) {
            $rows = $statement->fetchAll($fetchMode);
            if (!is_array($rows)) {
                throw new SqlException('PDO Unable to retrieve the result');
            }
            return new OdbcResultSet($rows);
        }

        $statement->closeCursor();

        return true;
    }

    /**
     * Replaces de old execute($sql, $throwErrors=false)
     *
     * @param $query
     * @return OdbcResultSet|resource|string
     */
    public static function executeDontThrow($sql, $values = array(), $fetchMode = \PDO::FETCH_ASSOC)
    {
        try {
            $res = self::execute($sql, $values, $fetchMode);
        } catch (SqlException $e) {
            $res = false;
        }
        return $res;
    }

    private function __clone() {}
}