<?php

namespace Ulmus\Query\Sqlite;

class Pragma extends \Ulmus\Query\Fragment {

    const SQL_TOKEN = "PRAGMA %s%s";

    public int $order = 15;

    public /* object|string */ $pragma;

    public $value;

    public bool $callable;

    public function set(/* object|Stringable */ $pragma, /* ? mixed */ $value = null, bool $callable = false) : self
    {
        $this->pragma = $pragma;

        if ($value) {
            $this->value = $value;
        }

        $this->callable = $callable;

        return $this;
    }

    public function render() : string
    {
        if ( isset($this->value) ) {
            $value = sprintf($this->callable ? " (%s)" : "=%s", $this->value);
        }

        return $this->renderSegments([
            sprintf(static::SQL_TOKEN, $this->pragma, $value ?? "")
        ]);
    }
}