<?php

namespace ByJG\DbMigration\Database;

use Psr\Http\Message\UriInterface;

class SqliteDatabase extends AbstractDatabase
{
    public static function prepareEnvironment(UriInterface $uri)
    {
    }

    public function createDatabase()
    {
    }

    public function dropDatabase()
    {
        $iterator = $this->getDbDriver()->getIterator("\n            select \n                'drop ' || type || ' ' || name || ';' as command \n            from sqlite_master \n            where name <> 'sqlite_sequence' and name not like 'sqlite_autoindex_%'\n            order by CASE type\n                         WHEN 'index' THEN 0\n                         WHEN 'trigger' THEN 1\n                         WHEN 'view' THEN 2\n                         ELSE 99\n                    END;\n        ");

        foreach ($iterator as $row) {
            $this->getDbDriver()->execute($row->get('command'));
        }
    }

    /**
     * @throws \ByJG\DbMigration\Exception\DatabaseNotVersionedException
     * @throws \ByJG\DbMigration\Exception\OldVersionSchemaException
     */
    public function createVersion()
    {
        $this->getDbDriver()->execute('CREATE TABLE IF NOT EXISTS ' . $this->getMigrationTable() . ' (version int, status varchar(20), PRIMARY KEY (version))');
        $this->checkExistsVersion();
    }

    public function executeSql($sql)
    {
        $statements = preg_split("/;(\r\n|\r|\n)/", $sql);

        foreach ($statements as $sql) {
            $this->executeSqlInternal($sql);
        }
    }

    protected function executeSqlInternal($sql)
    {
        if (empty(trim($sql))) {
            return;
        }
        $this->getDbDriver()->execute($sql);
    }

    protected function isTableExists($schema, $table)
    {
        $count = $this->getDbDriver()->getScalar(
            "SELECT count(*) FROM sqlite_master WHERE type='table' AND name=[[table]]",
            [
                "table" => $table
            ]
        );

        return (intval($count) !== 0);
    }

    public function isDatabaseVersioned()
    {
        return $this->isTableExists(null, $this->getMigrationTable());
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mzc5MDkwNDMwMDQzMzc2MyA5MTA3Nzk0OTM5NjY2MDQgNjIzODMwNDY1OTY1ODAyMA==