<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Schema\Elements;

use Nette;
use Nette\Schema\Context;
use Nette\Schema\DynamicParameter;
use Nette\Schema\Helpers;
use Nette\Schema\Schema;


final class Type implements Schema
{
	use Base;
	use Nette\SmartObject;

	/** @var string */
	private $type;

	/** @var Schema|null for arrays */
	private $itemsValue;

	/** @var Schema|null for arrays */
	private $itemsKey;

	/** @var array{?float, ?float} */
	private $range = [null, null];

	/** @var string|null */
	private $pattern;

	/** @var bool */
	private $merge = true;


	public function __construct(string $type)
	{
		$defaults = ['list' => [], 'array' => []];
		$this->type = $type;
		$this->default = strpos($type, '[]') ? [] : $defaults[$type] ?? null;
	}


	public function nullable(): self
	{
		$this->type = 'null|' . $this->type;
		return $this;
	}


	public function mergeDefaults(bool $state = true): self
	{
		$this->merge = $state;
		return $this;
	}


	public function dynamic(): self
	{
		$this->type = DynamicParameter::class . '|' . $this->type;
		return $this;
	}


	public function min(?float $min): self
	{
		$this->range[0] = $min;
		return $this;
	}


	public function max(?float $max): self
	{
		$this->range[1] = $max;
		return $this;
	}


	/**
	 * @param  string|Schema  $valueType
	 * @param  string|Schema|null  $keyType
	 * @internal  use arrayOf() or listOf()
	 */
	public function items($valueType = 'mixed', $keyType = null): self
	{
		$this->itemsValue = $valueType instanceof Schema
			? $valueType
			: new self($valueType);
		$this->itemsKey = $keyType instanceof Schema || $keyType === null
			? $keyType
			: new self($keyType);
		return $this;
	}


	public function pattern(?string $pattern): self
	{
		$this->pattern = $pattern;
		return $this;
	}


	/********************* processing ****************d*g**/


	public function normalize($value, Context $context)
	{
		if ($prevent = (is_array($value) && isset($value[Helpers::PreventMerging]))) {
			unset($value[Helpers::PreventMerging]);
		}

		$value = $this->doNormalize($value, $context);
		if (is_array($value) && $this->itemsValue) {
			$res = [];
			foreach ($value as $key => $val) {
				$context->path[] = $key;
				$context->isKey = true;
				$key = $this->itemsKey
					? $this->itemsKey->normalize($key, $context)
					: $key;
				$context->isKey = false;
				$res[$key] = $this->itemsValue->normalize($val, $context);
				array_pop($context->path);
			}

			$value = $res;
		}

		if ($prevent && is_array($value)) {
			$value[Helpers::PreventMerging] = true;
		}

		return $value;
	}


	public function merge($value, $base)
	{
		if (is_array($value) && isset($value[Helpers::PreventMerging])) {
			unset($value[Helpers::PreventMerging]);
			return $value;
		}

		if (is_array($value) && is_array($base) && $this->itemsValue) {
			$index = 0;
			foreach ($value as $key => $val) {
				if ($key === $index) {
					$base[] = $val;
					$index++;
				} else {
					$base[$key] = array_key_exists($key, $base)
						? $this->itemsValue->merge($val, $base[$key])
						: $val;
				}
			}

			return $base;
		}

		return Helpers::merge($value, $base);
	}


	public function complete($value, Context $context)
	{
		$merge = $this->merge;
		if (is_array($value) && isset($value[Helpers::PreventMerging])) {
			unset($value[Helpers::PreventMerging]);
			$merge = false;
		}

		if ($value === null && is_array($this->default)) {
			$value = []; // is unable to distinguish null from array in NEON
		}

		$this->doDeprecation($context);

		$isOk = $context->createChecker();
		Helpers::validateType($value, $this->type, $context);
		$isOk() && Helpers::validateRange($value, $this->range, $context, $this->type);
		$isOk() && $value !== null && $this->pattern !== null && Helpers::validatePattern($value, $this->pattern, $context);
		$isOk() && is_array($value) && $this->validateItems($value, $context);
		$isOk() && $merge && $value = Helpers::merge($value, $this->default);
		$isOk() && $value = $this->doTransform($value, $context);
		if (!$isOk()) {
			return null;
		}

		if ($value instanceof DynamicParameter) {
			$expected = $this->type . ($this->range === [null, null] ? '' : ':' . implode('..', $this->range));
			$context->dynamics[] = [$value, str_replace(DynamicParameter::class . '|', '', $expected), $context->path];
		}
		return $value;
	}


	private function validateItems(array &$value, Context $context): void
	{
		if (!$this->itemsValue) {
			return;
		}

		$res = [];
		foreach ($value as $key => $val) {
			$context->path[] = $key;
			$context->isKey = true;
			$key = $this->itemsKey ? $this->itemsKey->complete($key, $context) : $key;
			$context->isKey = false;
			$res[$key] = $this->itemsValue->complete($val, $context);
			array_pop($context->path);
		}
		$value = $res;
	}
}

• [F] AnyOf.php
  Delete
• [F] Base.php
  Delete
• [F] Structure.php
  Delete
• [F] Type.php
  Delete

Blog Section

Discover the Latest in Digital Payments and NFC Technology

Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.

The Rise of Contactless Payments:...

In recent years, contactless payments have surged in popularity, driven...

Visit Blog

March 27, 2024

Enhancing Payment Security: The Role...

As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational...

Visit Blog

March 27, 2024

The Future of Digital Wallets:...

Digital wallets have fundamentally transformed how we manage money, offering a streamlined, secure, and highly...

Visit Blog

March 27, 2024