<?php

namespace Laravel\Prompts;

use Closure;
use Illuminate\Support\Collection;

class SuggestPrompt extends Prompt
{
    use Concerns\Scrolling;
    use Concerns\Truncation;
    use Concerns\TypedValue;

    /**
     * The options for the suggest prompt.
     *
     * @var array<string>|Closure(string): (array<string>|Collection<int, string>)
     */
    public array|Closure $options;

    /**
     * The cache of matches.
     *
     * @var array<string>|null
     */
    protected ?array $matches = null;

    /**
     * Create a new SuggestPrompt instance.
     *
     * @param  array<string>|Collection<int, string>|Closure(string): (array<string>|Collection<int, string>)  $options
     */
    public function __construct(
        public string $label,
        array|Collection|Closure $options,
        public string $placeholder = '',
        public string $default = '',
        public int $scroll = 5,
        public bool|string $required = false,
        public mixed $validate = null,
        public string $hint = '',
        public ?Closure $transform = null,
    ) {
        $this->options = $options instanceof Collection ? $options->all() : $options;

        $this->initializeScrolling(null);

        $this->on('key', fn ($key) => match ($key) {
            Key::UP, Key::UP_ARROW, Key::SHIFT_TAB, Key::CTRL_P => $this->highlightPrevious(count($this->matches()), true),
            Key::DOWN, Key::DOWN_ARROW, Key::TAB, Key::CTRL_N => $this->highlightNext(count($this->matches()), true),
            Key::oneOf([Key::HOME, Key::CTRL_A], $key) => $this->highlighted !== null ? $this->highlight(0) : null,
            Key::oneOf([Key::END, Key::CTRL_E], $key) => $this->highlighted !== null ? $this->highlight(count($this->matches()) - 1) : null,
            Key::ENTER => $this->selectHighlighted(),
            Key::oneOf([Key::LEFT, Key::LEFT_ARROW, Key::RIGHT, Key::RIGHT_ARROW, Key::CTRL_B, Key::CTRL_F], $key) => $this->highlighted = null,
            default => (function () {
                $this->highlighted = null;
                $this->matches = null;
                $this->firstVisible = 0;
            })(),
        });

        $this->trackTypedValue($default, ignore: fn ($key) => Key::oneOf([Key::HOME, Key::END, Key::CTRL_A, Key::CTRL_E], $key) && $this->highlighted !== null);
    }

    /**
     * Get the entered value with a virtual cursor.
     */
    public function valueWithCursor(int $maxWidth): string
    {
        if ($this->highlighted !== null) {
            return $this->value() === ''
                ? $this->dim($this->truncate($this->placeholder, $maxWidth))
                : $this->truncate($this->value(), $maxWidth);
        }

        if ($this->value() === '') {
            return $this->dim($this->addCursor($this->placeholder, 0, $maxWidth));
        }

        return $this->addCursor($this->value(), $this->cursorPosition, $maxWidth);
    }

    /**
     * Get options that match the input.
     *
     * @return array<string>
     */
    public function matches(): array
    {
        if (is_array($this->matches)) {
            return $this->matches;
        }

        if ($this->options instanceof Closure) {
            $matches = ($this->options)($this->value());

            return $this->matches = array_values($matches instanceof Collection ? $matches->all() : $matches);
        }

        return $this->matches = array_values(array_filter($this->options, function ($option) {
            return str_starts_with(strtolower($option), strtolower($this->value()));
        }));
    }

    /**
     * The current visible matches.
     *
     * @return array<string>
     */
    public function visible(): array
    {
        return array_slice($this->matches(), $this->firstVisible, $this->scroll, preserve_keys: true);
    }

    /**
     * Select the highlighted entry.
     */
    protected function selectHighlighted(): void
    {
        if ($this->highlighted === null) {
            return;
        }

        $this->typedValue = $this->matches()[$this->highlighted];
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox