<?php

namespace BeyondSEODeps\DoctrineExtensions\Query\Mysql;

use BeyondSEODeps\Doctrine\ORM\Query\AST\Functions\FunctionNode;
use BeyondSEODeps\Doctrine\ORM\Query\Parser;
use BeyondSEODeps\Doctrine\ORM\Query\SqlWalker;
use BeyondSEODeps\Doctrine\ORM\Query\TokenType;

/** @author Evgeny Savich <jack.savich@gmail.com> */
class Truncate extends FunctionNode
{
    public $numberExpression = null;

    public $patternExpression = null;

    public function parse(Parser $parser): void
    {
        $parser->match(TokenType::T_IDENTIFIER);
        $parser->match(TokenType::T_OPEN_PARENTHESIS);
        $this->numberExpression = $parser->SimpleArithmeticExpression();
        $parser->match(TokenType::T_COMMA);
        $this->patternExpression = $parser->SimpleArithmeticExpression();
        $parser->match(TokenType::T_CLOSE_PARENTHESIS);
    }

    public function getSql(SqlWalker $sqlWalker): string
    {
        return 'TRUNCATE(' .
            $this->numberExpression->dispatch($sqlWalker) . ', ' .
            $this->patternExpression->dispatch($sqlWalker) .
        ')';
    }
}
