<?php

/**
 * Class SettingsContainerAbstract
 *
 * @created      28.08.2018
 * @author       Smiley <smiley@chillerlan.net>
 * @copyright    2018 Smiley
 * @license      MIT
 */
declare (strict_types=1);
namespace WCPOS\Vendor\chillerlan\Settings;

use JsonException, ReflectionClass, ReflectionProperty;
use function array_keys, get_object_vars, json_decode, json_encode, json_last_error_msg, method_exists, property_exists;
use const JSON_THROW_ON_ERROR;
abstract class SettingsContainerAbstract implements SettingsContainerInterface
{
    /**
     * SettingsContainerAbstract constructor.
     *
     * @phpstan-param array<string, mixed> $properties
     */
    public function __construct(?iterable $properties = null)
    {
        if (!empty($properties)) {
            $this->fromIterable($properties);
        }
        $this->construct();
    }
    /**
     * calls a method with trait name as replacement constructor for each used trait
     * (remember pre-php5 classname constructors? yeah, basically this.)
     */
    protected function construct() : void
    {
        $traits = (new ReflectionClass($this))->getTraits();
        foreach ($traits as $trait) {
            $method = $trait->getShortName();
            if (method_exists($this, $method)) {
                $this->{$method}();
            }
        }
    }
    /**
     * @inheritdoc
     */
    public function __get(string $property)
    {
        if (!property_exists($this, $property) || $this->isPrivate($property)) {
            return null;
        }
        $method = 'get_' . $property;
        if (method_exists($this, $method)) {
            return $this->{$method}();
        }
        return $this->{$property};
    }
    /**
     * @inheritdoc
     */
    public function __set(string $property, $value) : void
    {
        if (!property_exists($this, $property) || $this->isPrivate($property)) {
            return;
        }
        $method = 'set_' . $property;
        if (method_exists($this, $method)) {
            $this->{$method}($value);
            return;
        }
        $this->{$property} = $value;
    }
    /**
     * @inheritdoc
     */
    public function __isset(string $property) : bool
    {
        return isset($this->{$property}) && !$this->isPrivate($property);
    }
    /**
     * @internal Checks if a property is private
     */
    protected function isPrivate(string $property) : bool
    {
        return (new ReflectionProperty($this, $property))->isPrivate();
    }
    /**
     * @inheritdoc
     */
    public function __unset(string $property) : void
    {
        if ($this->__isset($property)) {
            unset($this->{$property});
        }
    }
    /**
     * @inheritdoc
     */
    public function __toString() : string
    {
        return $this->toJSON();
    }
    /**
     * @inheritdoc
     */
    public function toArray() : array
    {
        $properties = [];
        foreach (array_keys(get_object_vars($this)) as $key) {
            $properties[$key] = $this->__get($key);
        }
        return $properties;
    }
    /**
     * @inheritdoc
     */
    public function fromIterable(iterable $properties) : SettingsContainerInterface
    {
        foreach ($properties as $key => $value) {
            $this->__set($key, $value);
        }
        return $this;
    }
    /**
     * @inheritdoc
     */
    public function toJSON(?int $jsonOptions = null) : string
    {
        $json = json_encode($this, $jsonOptions ?? 0);
        if ($json === \false) {
            throw new JsonException(json_last_error_msg());
        }
        return $json;
    }
    /**
     * @inheritdoc
     */
    public function fromJSON(string $json) : SettingsContainerInterface
    {
        /** @phpstan-var array<string, mixed> $data */
        $data = json_decode($json, \true, 512, JSON_THROW_ON_ERROR);
        return $this->fromIterable($data);
    }
    /**
     * @inheritdoc
     * @return array<string, mixed>
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize() : array
    {
        return $this->toArray();
    }
}