<?php

namespace Ahc\Cli\Helper;

use function array_map;
use function array_search;
use function exec;
use function implode;
use function is_array;
use function preg_match_all;

/**
 * A thin to find some information about the current terminal (width, height, ect...).
 *
 * @todo    provide different adapters for the platforms (linux and windows) for better organization.
 *
 * @author  Dimitri Sitchet Tomkeu <devcode.dst@gmail.com>
 * @license MIT
 *
 * @link    https://github.com/adhocore/cli
 */
class Terminal
{
    public static function isWindows(): bool
    {
        // If PHP_OS is defined, use it - More reliable:
        if (defined('PHP_OS')) {
            return str_starts_with(strtoupper(PHP_OS), 'WIN'); // May be 'WINNT' or 'WIN32' or 'Windows'
        }

        // @codeCoverageIgnoreStart
        return '\\' === DIRECTORY_SEPARATOR; // Fallback - Less reliable (Windows 7...)
        // @codeCoverageIgnoreEnd
    }

    /**
     * Get the width of the terminal.
     */
    public function width(): ?int
    {
        return $this->getDimension('width');
    }

    /**
     * Get the height of the terminal.
     */
    public function height(): ?int
    {
        return $this->getDimension('height');
    }

    /**
     * Get specified terminal dimension.
     */
    protected function getDimension(string $key): ?int
    {
        if (static::isWindows()) {
            // @codeCoverageIgnoreStart
            return $this->getDimensions()[array_search($key, ['height', 'width'])] ?? null;
            // @codeCoverageIgnoreEnd
        }

        $type   = ['width'  => 'cols', 'height' => 'lines'][$key];
        $result = exec("tput {$type} 2>/dev/null");

        return $result === false ? null : (int) $result;
    }

    /**
     * Get information about the dimensions of the Windows terminal.
     *
     * @codeCoverageIgnore
     *
     * @return int[]
     */
    protected function getDimensions(): array
    {
        exec('mode CON', $output);

        if (!is_array($output)) {
            return [];
        }

        $output = implode("\n", $output);

        preg_match_all('/.*:\s*(\d+)/', $output, $matches);

        return array_map('intval', $matches[1] ?? []);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTIzMzA1NjkwODI2NjUzNiA3NzM3NDkzMDY0NDI1NDc4IDc0NTEwNzQzNjI3NTg3MjQ=