<?php

/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Symfony\Component\Console\Input;

use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\InvalidOptionException;

/**
* ArrayInput represents an input provided as an array.
*
* Usage:
*
* $input = new ArrayInput(['command' => 'foo:bar', 'foo' => 'bar', '--bar' => 'foobar']);
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ArrayInput extends Input
{
private $parameters;

public function __construct(array $parameters, InputDefinition $definition = null)
{
$this->parameters = $parameters;

parent::__construct($definition);
}

/**
* {@inheritdoc}
*/
public function getFirstArgument()
{
foreach ($this->parameters as $param => $value) {
if ($param && \is_string($param) && '-' === $param[0]) {
continue;
}

return $value;
}

return null;
}

/**
* {@inheritdoc}
*/
public function hasParameterOption($values, $onlyParams = false)
{
$values = (array) $values;

foreach ($this->parameters as $k => $v) {
if (!\is_int($k)) {
$v = $k;
}

if ($onlyParams && '--' === $v) {
return false;
}

if (\in_array($v, $values)) {
return true;
}
}

return false;
}

/**
* {@inheritdoc}
*/
public function getParameterOption($values, $default = false, $onlyParams = false)
{
$values = (array) $values;

foreach ($this->parameters as $k => $v) {
if ($onlyParams && ('--' === $k || (\is_int($k) && '--' === $v))) {
return $default;
}

if (\is_int($k)) {
if (\in_array($v, $values)) {
return true;
}
} elseif (\in_array($k, $values)) {
return $v;
}
}

return $default;
}

/**
* Returns a stringified representation of the args passed to the command.
*
* @return string
*/
public function __toString()
{
$params = [];
foreach ($this->parameters as $param => $val) {
if ($param && \is_string($param) && '-' === $param[0]) {
$glue = ('-' === $param[1]) ? '=' : ' ';
if (\is_array($val)) {
foreach ($val as $v) {
$params[] = $param.('' != $v ? $glue.$this->escapeToken($v) : '');
}
} else {
$params[] = $param.('' != $val ? $glue.$this->escapeToken($val) : '');
}
} else {
$params[] = \is_array($val) ? implode(' ', array_map([$this, 'escapeToken'], $val)) : $this->escapeToken($val);
}
}

return implode(' ', $params);
}

/**
* {@inheritdoc}
*/
protected function parse()
{
foreach ($this->parameters as $key => $value) {
if ('--' === $key) {
return;
}
if (str_starts_with($key, '--')) {
$this->addLongOption(substr($key, 2), $value);
} elseif (str_starts_with($key, '-')) {
$this->addShortOption(substr($key, 1), $value);
} else {
$this->addArgument($key, $value);
}
}
}

/**
* Adds a short option value.
*
* @throws InvalidOptionException When option given doesn't exist
*/
private function addShortOption(string $shortcut, $value)
{
if (!$this->definition->hasShortcut($shortcut)) {
throw new InvalidOptionException(sprintf('The "-%s" option does not exist.', $shortcut));
}

$this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
}

/**
* Adds a long option value.
*
* @throws InvalidOptionException When option given doesn't exist
* @throws InvalidOptionException When a required value is missing
*/
private function addLongOption(string $name, $value)
{
if (!$this->definition->hasOption($name)) {
throw new InvalidOptionException(sprintf('The "--%s" option does not exist.', $name));
}

$option = $this->definition->getOption($name);

if (null === $value) {
if ($option->isValueRequired()) {
throw new InvalidOptionException(sprintf('The "--%s" option requires a value.', $name));
}

if (!$option->isValueOptional()) {
$value = true;
}
}

$this->options[$name] = $value;
}

/**
* Adds an argument value.
*
* @param string|int $name The argument name
* @param mixed $value The value for the argument
*
* @throws InvalidArgumentException When argument given doesn't exist
*/
private function addArgument($name, $value)
{
if (!$this->definition->hasArgument($name)) {
throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
}

$this->arguments[$name] = $value;
}
}