<?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 Packetery\Nette\Forms\Controls;

use Packetery\Nette;
/**
 * Choice control that allows single item selection.
 *
 * @property   array $items
 * @property-read mixed $selectedItem
 */
abstract class ChoiceControl extends BaseControl
{
    /** @var bool */
    private $checkDefaultValue = \true;
    /** @var array */
    private $items = [];
    public function __construct($label = null, array $items = null)
    {
        parent::__construct($label);
        if ($items !== null) {
            $this->setItems($items);
        }
    }
    public function loadHttpData() : void
    {
        $this->value = $this->getHttpData(\Packetery\Nette\Forms\Form::DATA_TEXT);
        if ($this->value !== null) {
            $this->value = \is_array($this->disabled) && isset($this->disabled[$this->value]) ? null : \key([$this->value => null]);
        }
    }
    /**
     * Sets selected item (by key).
     * @param  string|int|null  $value
     * @return static
     * @internal
     */
    public function setValue($value)
    {
        if ($this->checkDefaultValue && $value !== null && !\array_key_exists((string) $value, $this->items)) {
            $set = \Packetery\Nette\Utils\Strings::truncate(\implode(', ', \array_map(function ($s) {
                return \var_export($s, \true);
            }, \array_keys($this->items))), 70, '...');
            throw new \Packetery\Nette\InvalidArgumentException("Value '{$value}' is out of allowed set [{$set}] in field '{$this->name}'.");
        }
        $this->value = $value === null ? null : \key([(string) $value => null]);
        return $this;
    }
    /**
     * Returns selected key.
     * @return string|int|null
     */
    public function getValue()
    {
        return \array_key_exists($this->value, $this->items) ? $this->value : null;
    }
    /**
     * Returns selected key (not checked).
     * @return string|int
     */
    public function getRawValue()
    {
        return $this->value;
    }
    /**
     * Is any item selected?
     */
    public function isFilled() : bool
    {
        return $this->getValue() !== null;
    }
    /**
     * Sets items from which to choose.
     * @return static
     */
    public function setItems(array $items, bool $useKeys = \true)
    {
        $this->items = $useKeys ? $items : \array_combine($items, $items);
        return $this;
    }
    /**
     * Returns items from which to choose.
     */
    public function getItems() : array
    {
        return $this->items;
    }
    /**
     * Returns selected value.
     * @return mixed
     */
    public function getSelectedItem()
    {
        $value = $this->getValue();
        return $value === null ? null : $this->items[$value];
    }
    /**
     * Disables or enables control or items.
     * @param  bool|array  $value
     * @return static
     */
    public function setDisabled($value = \true)
    {
        if (!\is_array($value)) {
            return parent::setDisabled($value);
        }
        parent::setDisabled(\false);
        $this->disabled = \array_fill_keys($value, \true);
        if (isset($this->disabled[$this->value])) {
            $this->value = null;
        }
        return $this;
    }
    /** @return static */
    public function checkDefaultValue(bool $value = \true)
    {
        $this->checkDefaultValue = $value;
        return $this;
    }
}
