<?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:----NzY3NzkxNjQzMzM1MTI4NSA1ODAxNzgwOTAxNTE5MjgyIDQzNzEyNjIxOTI1NTg5ODg=