<?php


namespace Symfony\Component\Console\Input;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Completion\CompletionInput;
use Symfony\Component\Console\Completion\CompletionSuggestions;
use Symfony\Component\Console\Completion\Suggestion;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Exception\LogicException;


class InputArgument
{
    public const REQUIRED = 1;
    public const OPTIONAL = 2;
    public const IS_ARRAY = 4;

    private string $name;
    private int $mode;
    private string|int|bool|array|float|null $default;
    private array|\Closure $suggestedValues;
    private string $description;

    
    public function __construct(string $name, ?int $mode = null, string $description = '', string|bool|int|float|array|null $default = null, \Closure|array $suggestedValues = [])
    {
        if (null === $mode) {
            $mode = self::OPTIONAL;
        } elseif ($mode > 7 || $mode < 1) {
            throw new InvalidArgumentException(\sprintf('Argument mode "%s" is not valid.', $mode));
        }

        $this->name = $name;
        $this->mode = $mode;
        $this->description = $description;
        $this->suggestedValues = $suggestedValues;

        $this->setDefault($default);
    }

    
    public function getName(): string
    {
        return $this->name;
    }

    
    public function isRequired(): bool
    {
        return self::REQUIRED === (self::REQUIRED & $this->mode);
    }

    
    public function isArray(): bool
    {
        return self::IS_ARRAY === (self::IS_ARRAY & $this->mode);
    }

    
    public function setDefault(string|bool|int|float|array|null $default = null)
    {
        if (1 > \func_num_args()) {
            trigger_deprecation('symfony/console', '6.2', 'Calling "%s()" without any arguments is deprecated, pass null explicitly instead.', __METHOD__);
        }
        if ($this->isRequired() && null !== $default) {
            throw new LogicException('Cannot set a default value except for InputArgument::OPTIONAL mode.');
        }

        if ($this->isArray()) {
            if (null === $default) {
                $default = [];
            } elseif (!\is_array($default)) {
                throw new LogicException('A default value for an array argument must be an array.');
            }
        }

        $this->default = $default;
    }

    
    public function getDefault(): string|bool|int|float|array|null
    {
        return $this->default;
    }

    public function hasCompletion(): bool
    {
        return [] !== $this->suggestedValues;
    }

    
    public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
    {
        $values = $this->suggestedValues;
        if ($values instanceof \Closure && !\is_array($values = $values($input))) {
            throw new LogicException(\sprintf('Closure for argument "%s" must return an array. Got "%s".', $this->name, get_debug_type($values)));
        }
        if ($values) {
            $suggestions->suggestValues($values);
        }
    }

    
    public function getDescription(): string
    {
        return $this->description;
    }
}