<?php

namespace Ulmus\Attribute\Property;

use Notes\Common\ReflectedProperty;
use Ulmus\Entity\EntityInterface;
use Ulmus\Entity\JsonUnserializable;

#[\Attribute(\Attribute::TARGET_PROPERTY)]
class ArrayOf implements \Ulmus\Entity\EntityValueModifier
{
    public function __construct(
        public readonly string $type,
    ) {}

    public function push(mixed $value, ReflectedProperty $property): mixed
    {
        $return = [];

        foreach($value as $index => $item) {
            if (! is_object($item)) {
                if (enum_exists($this->type)) {
                    if ($this->type::tryFrom($item) === null) {
                        throw new \InvalidArgumentException(
                            sprintf("Given item '%s' is not a valid enum for type %s ; try one of theses instead : %s", $item, $this->type, implode("', '", array_map(fn($e) => $e->value, $this->type::cases())))
                        );
                    } else {
                        $obj = $this->type::from($item);
                    }
                }
                elseif (class_exists($this->type)) {
                    if (is_subclass_of($this->type, JsonUnserializable::class)) {
                        $obj = (new \ReflectionClass($this->type))->newInstanceWithoutConstructor();
                        $obj->jsonUnserialize($item);
                    }
                    else {
                        $obj = new $this->type($item);
                    }
                }
                else {
                    throw new \InvalidArgumentException("Given type for ArrayOf is incompatible with it's use. An object should be provided");
                }

                $return[$index] = $obj;
            }
        }

        if (! $property->type->builtIn) {
            $cls = $property->type->type;

            return new $cls($return);
        }

        return $return;
    }

    public function pull(mixed $value, ReflectedProperty $property) : mixed
    {
        $return = [];

        foreach($value as $index => $item) {
            if (is_object($item)) {
                if (enum_exists($this->type)) {
                    $value = $item->value;
                } elseif (class_exists($this->type)) {
                    $value = (string) $value;
                }

                $return[$index] = $value;
            }
        }

        return $return;
    }

}