<?php

namespace ReloadifyScoped\Doctrine\DBAL\Driver\IBMDB2;

use ReloadifyScoped\Doctrine\DBAL\Driver\Connection as ConnectionInterface;
use ReloadifyScoped\Doctrine\DBAL\Driver\IBMDB2\Exception\ConnectionError;
use ReloadifyScoped\Doctrine\DBAL\Driver\IBMDB2\Exception\ConnectionFailed;
use ReloadifyScoped\Doctrine\DBAL\Driver\IBMDB2\Exception\PrepareFailed;
use ReloadifyScoped\Doctrine\DBAL\Driver\ServerInfoAwareConnection;
use ReloadifyScoped\Doctrine\DBAL\ParameterType;
use ReloadifyScoped\Doctrine\Deprecations\Deprecation;
use stdClass;
use function assert;
use function db2_autocommit;
use function db2_commit;
use function db2_conn_error;
use function db2_conn_errormsg;
use function db2_connect;
use function db2_escape_string;
use function db2_exec;
use function db2_last_insert_id;
use function db2_num_rows;
use function db2_pconnect;
use function db2_prepare;
use function db2_rollback;
use function db2_server_info;
use function error_get_last;
use function func_get_args;
use function is_bool;
use const DB2_AUTOCOMMIT_OFF;
use const DB2_AUTOCOMMIT_ON;
/**
 * @deprecated Use {@link Connection} instead
 */
class DB2Connection implements ConnectionInterface, ServerInfoAwareConnection
{
    /** @var resource */
    private $conn;
    /**
     * @internal The connection can be only instantiated by its driver.
     *
     * @param mixed[] $params
     * @param string  $username
     * @param string  $password
     * @param mixed[] $driverOptions
     *
     * @throws DB2Exception
     */
    public function __construct(array $params, $username, $password, $driverOptions = [])
    {
        $isPersistent = isset($params['persistent']) && $params['persistent'] === \true;
        if ($isPersistent) {
            $conn = db2_pconnect($params['dbname'], $username, $password, $driverOptions);
        } else {
            $conn = db2_connect($params['dbname'], $username, $password, $driverOptions);
        }
        if ($conn === \false) {
            throw ConnectionFailed::new();
        }
        $this->conn = $conn;
    }
    /**
     * {@inheritdoc}
     */
    public function getServerVersion()
    {
        $serverInfo = db2_server_info($this->conn);
        assert($serverInfo instanceof stdClass);
        return $serverInfo->DBMS_VER;
    }
    /**
     * {@inheritdoc}
     */
    public function requiresQueryForServerVersion()
    {
        Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/4114', 'ServerInfoAwareConnection::requiresQueryForServerVersion() is deprecated and removed in DBAL 3.');
        return \false;
    }
    /**
     * {@inheritdoc}
     */
    public function prepare($sql)
    {
        $stmt = @db2_prepare($this->conn, $sql);
        if ($stmt === \false) {
            throw PrepareFailed::new(error_get_last());
        }
        return new Statement($stmt);
    }
    /**
     * {@inheritdoc}
     */
    public function query()
    {
        $args = func_get_args();
        $sql = $args[0];
        $stmt = $this->prepare($sql);
        $stmt->execute();
        return $stmt;
    }
    /**
     * {@inheritdoc}
     */
    public function quote($value, $type = ParameterType::STRING)
    {
        $value = db2_escape_string($value);
        if ($type === ParameterType::INTEGER) {
            return $value;
        }
        return "'" . $value . "'";
    }
    /**
     * {@inheritdoc}
     */
    public function exec($sql)
    {
        $stmt = @db2_exec($this->conn, $sql);
        if ($stmt === \false) {
            throw ConnectionError::new($this->conn);
        }
        return db2_num_rows($stmt);
    }
    /**
     * {@inheritdoc}
     */
    public function lastInsertId($name = null)
    {
        return db2_last_insert_id($this->conn);
    }
    /**
     * {@inheritdoc}
     */
    public function beginTransaction()
    {
        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_OFF);
        assert(is_bool($result));
        return $result;
    }
    /**
     * {@inheritdoc}
     */
    public function commit()
    {
        if (!db2_commit($this->conn)) {
            throw ConnectionError::new($this->conn);
        }
        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
        assert(is_bool($result));
        return $result;
    }
    /**
     * {@inheritdoc}
     */
    public function rollBack()
    {
        if (!db2_rollback($this->conn)) {
            throw ConnectionError::new($this->conn);
        }
        $result = db2_autocommit($this->conn, DB2_AUTOCOMMIT_ON);
        assert(is_bool($result));
        return $result;
    }
    /**
     * {@inheritdoc}
     *
     * @deprecated The error information is available via exceptions.
     */
    public function errorCode()
    {
        return db2_conn_error($this->conn);
    }
    /**
     * {@inheritdoc}
     *
     * @deprecated The error information is available via exceptions.
     */
    public function errorInfo()
    {
        return [0 => db2_conn_errormsg($this->conn), 1 => $this->errorCode()];
    }
}
