#!/usr/bin/env php
<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: moko-platform.CLI
 * INGROUP: moko-platform
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /cli/changelog_promote.php
 * BRIEF: Promote [Unreleased] section in CHANGELOG.md to a versioned entry
 */

declare(strict_types=1);

require_once __DIR__ . '/../lib/Enterprise/CliFramework.php';

use MokoEnterprise\CliFramework;

class ChangelogPromoteCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Promote [Unreleased] CHANGELOG section to a versioned entry');
        $this->addArgument('--path', 'Repository root path', '.');
        $this->addArgument('--version', 'Version string XX.YY.ZZ', '');
        $this->addArgument('--date', 'Release date YYYY-MM-DD', date('Y-m-d'));
    }

    protected function run(): int
    {
        $path = $this->getArgument('--path');
        $version = $this->getArgument('--version');
        $date = $this->getArgument('--date');

        if (empty($version)) {
            $this->log('ERROR', 'Usage: changelog_promote.php --path . --version XX.YY.ZZ [--date YYYY-MM-DD]');
            return 1;
        }

        $changelog = realpath($path) . '/CHANGELOG.md';
        if (!file_exists($changelog)) {
            $this->log('ERROR', "No CHANGELOG.md found at {$path}");
            return 1;
        }

        $content = file_get_contents($changelog);

        if (!preg_match('/## \[?Unreleased\]?/i', $content)) {
            $this->log('ERROR', 'No [Unreleased] section found in CHANGELOG.md');
            return 1;
        }

        // Replace [Unreleased] with versioned entry
        $content = preg_replace(
            '/## \[Unreleased\]/i',
            "## [{$version}] --- {$date}",
            $content,
            1
        );
        $content = preg_replace(
            '/## Unreleased/i',
            "## [{$version}] --- {$date}",
            $content,
            1
        );

        // Insert new [Unreleased] section after the first heading line
        $lines = explode("\n", $content);
        $inserted = false;
        $result = [];

        foreach ($lines as $line) {
            $result[] = $line;
            if (!$inserted && preg_match('/^# /', $line)) {
                $result[] = '';
                $result[] = '## [Unreleased]';
                $result[] = '';
                $inserted = true;
            }
        }

        $content = implode("\n", $result);
        file_put_contents($changelog, $content);
        $this->success("CHANGELOG promoted: [Unreleased] -> [{$version}] --- {$date}");
        return 0;
    }
}

$app = new ChangelogPromoteCli();
exit($app->execute());