#!/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/release_notes.php
 * BRIEF: Extract release notes from CHANGELOG.md for a given version
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class ReleaseNotesCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Extract release notes from CHANGELOG.md for a given version');
        $this->addArgument('--path', 'Repository root path', '.');
        $this->addArgument('--version', 'Version to extract notes for', '');
    }

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

        if ($version === null || $version === '') {
            // Read from README.md
            $readme = realpath($path) . '/README.md';
            if (file_exists($readme)) {
                $content = file_get_contents($readme);
                if (preg_match('/^\s*VERSION:\s*(\d{2}\.\d{2}\.\d{2})/m', $content, $m)) {
                    $version = $m[1];
                }
            }
        }

        if ($version === null || $version === '') {
            $this->log('ERROR', 'Usage: release_notes.php --path . --version XX.YY.ZZ');
            return 1;
        }

        $changelog = realpath($path) . '/CHANGELOG.md';
        if (!file_exists($changelog)) {
            echo "Release {$version}\n";
            return 0;
        }

        $lines = file($changelog, FILE_IGNORE_NEW_LINES);
        $notes = [];
        $capturing = false;

        foreach ($lines as $line) {
            if (preg_match('/^##\s.*' . preg_quote($version, '/') . '/', $line)) {
                $capturing = true;
                continue;
            }
            if ($capturing && preg_match('/^## /', $line)) {
                break;
            }
            if ($capturing) {
                $notes[] = $line;
            }
        }

        $result = trim(implode("\n", $notes));
        echo $result ?: "Release {$version}";
        echo "\n";
        return 0;
    }
}

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