<?php

namespace Ulmus\Common;

use Ulmus\Ulmus;

class EntityField
{
    public string $name;

    public string $entityClass;

    public string $alias;

    protected EntityResolver $entityResolver;

    public function __construct(string $entityClass, string $name, string $alias)
    {
        $this->entityClass = $entityClass;
        $this->name = $name;
        $this->alias = $alias;
        $this->entityResolver = Ulmus::resolveEntity(static::class);
    }

    public function name($useAlias = true) : string
    {
        # Must use REFLECTION before throwing this value.
        # Should first check if it's a relation field, and if it is,
        # it's real key must be returned (PK usually)
        return $useAlias ? "{$this->alias}.\"{$this->name}\"" : "\"{$this->name}\"";
    }

    public static function isScalarType($type) : bool
    {
        switch($type) {
            case 'int':
            case 'bool':
            case 'string':
            case 'float':
            case 'double':
                return true;
        }

        return false;
    }

    public static function isObjectType($type) : bool
    {
        # @ Should be fixed with isBuiltIn() instead, it won't be correct based only on name
        # return strpos($type, "\\") !== false;
    }

    public function __toString() : string
    {
        return $this->name();
    }
}