<?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:----NDQxMDgyODMwNDk2NzY4NSAxNjEyMTkwMjMyODEwMDYgMTkwNTY0ODk5NTk2OTM5Nw==