<?php

namespace NoccyLabs\JsonEdit\Tree;

class ObjectNode extends Node implements CollapsibleNode
{
    use CollapsibleNodeTrait;

    public function __construct(public array $properties)
    {
    }

    public function set(string $key, Node $value)
    {
        $this->properties[$key] = $value;
    }

    public function hasKey(string $key): bool
    {
        return array_key_exists($key, $this->properties);
    }

    public function rename(string $key, string $newKey)
    {
        if (array_key_exists($newKey, $this->properties)) {
            throw new \Exception("Key {$newKey} already exists");
        }
        $renamed = [];
        foreach ($this->properties as $k=>$v) {
            $renamed[($k==$key)?$newKey:$k] = $v;
        }
        $this->properties = $renamed;
    }

    public function unset(string $key)
    {
        unset($this->properties[$key]);
    }

    public function __clone(): void
    {
        $this->properties = array_combine(
            array_keys($this->properties),
            array_map(fn($v) => clone $v, $this->properties)
        );
    }

    public function jsonSerialize(): mixed
    {
        return $this->properties;
    }

}