#!/usr/bin/env php
<?php declare(strict_types=1);

/**
 * This file is part of CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

require __DIR__ . '/../vendor/codeigniter4/framework/system/Test/bootstrap.php';

use CodeIgniter\CLI\CLI;

helper('filesystem');

if ($argc !== 2) {
    CLI::error('Please specify a locale.');

    exit(1);
}

$locale = $argv[1];

$langDir = realpath(__DIR__ . '/../src/Language/' . $locale);

if (! is_dir($langDir)) {
    CLI::error('No such directory: "' . $langDir . '"');

    exit(1);
}

$enDir = realpath(__DIR__ . '/../src/Language/en');

if (! is_dir($enDir)) {
    CLI::error('No "Language/en" directory. Please run "composer update".');

    exit(1);
}

$files = get_filenames(
    $langDir,
    true,
    false,
    false
);

$enFiles = get_filenames(
    $enDir,
    true,
    false,
    false
);

foreach ($enFiles as $enFile) {
    $temp     = $langDir . '/' . substr($enFile, strlen($enDir) + 1);
    $langFile = realpath($temp) ?: $temp;

    if (! is_file($langFile)) {
        CLI::error('No such file: "' . $langFile . '"');

        continue;
    }

    $enFileLines = file($enFile);

    $items = [];

    $pattern = '/(.*)\'([a-zA-Z0-9_]+?)\'(\s*=>\s*)([\'"].+[\'"]),/u';

    foreach ($enFileLines as $line) {
        if (preg_match($pattern, $line, $matches)) {
            $items[] = [$matches[2] => $matches[4]];
        }
    }

    $langFileLines = file($langFile);

    $newLangFile = '';

    $itemNo = 0;

    foreach ($langFileLines as $line) {
        // Remove en value comment.
        if (preg_match('!(.*,)(\s*//.*)$!u', $line, $matches)) {
            $line = $matches[1] . "\n";
        }

        if (preg_match($pattern, $line, $matches) === 0) {
            $newLangFile .= $line;
        } else {
            $indent = $matches[1];
            $key    = $matches[2];
            $arrow  = $matches[3];
            $value  = $matches[4];

            $newLangFile .= $indent . "'" . $key . "'" . $arrow . $value
                . ', // ' . $items[$itemNo][array_key_first($items[$itemNo])] . "\n";
            $itemNo++;
        }
    }

    file_put_contents($langFile, $newLangFile);
    CLI::write('Updated: ' . $langFile);
}