<?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:----NTg5NDE3NjMyODMzNDc5NyA3Nzg1OTM4ODc4MDY3MTYgMTY0MzQ3MDI0ODY0NzQ0Ng==