<?php

namespace DoctrineExtensions\Query\Mysql;

use Doctrine\ORM\Query\AST\Functions\FunctionNode;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
use Doctrine\ORM\Query\SqlWalker;

class DayOfYear extends FunctionNode
{
    /**
     * @var \Doctrine\ORM\Query\AST\Node
     */
    public $date;

    /**
     * @inheritdoc
     */
    public function getSql(SqlWalker $sqlWalker)
    {
        return 'DAYOFYEAR(' . $sqlWalker->walkArithmeticPrimary($this->date) . ')';
    }

    /**
     * @inheritdoc
     */
    public function parse(Parser $parser)
    {
        $parser->match(Lexer::T_IDENTIFIER);
        $parser->match(Lexer::T_OPEN_PARENTHESIS);

        $this->date = $parser->ArithmeticPrimary();

        $parser->match(Lexer::T_CLOSE_PARENTHESIS);
    }
}