#!/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/version_bump_remote.php
 * BRIEF: Bump version in manifest XML and CHANGELOG.md on a remote branch via Gitea API
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class VersionBumpRemoteCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Bump version in manifest XML and CHANGELOG.md on a remote branch via Gitea API');
        $this->addArgument('--path', 'Repository root', '.');
        $this->addArgument('--branch', 'Target branch to bump (required)', null);
        $this->addArgument('--bump', 'Bump type: patch | minor | major', 'minor');
        $this->addArgument('--token', 'Gitea API token (or MOKOGITEA_TOKEN env var)', null);
        $this->addArgument('--api-base', 'Gitea API base URL for the repo', null);
        $this->addArgument('--no-changelog', 'Skip CHANGELOG.md bump', false);
        $this->addArgument('--repo', 'Repository path (owner/repo)', null);
        $this->addArgument('--gitea-url', 'Gitea instance URL', null);
    }

    protected function run(): int
    {
        $path = $this->getArgument('--path');
        $branch = $this->getArgument('--branch');
        $bumpType = $this->getArgument('--bump');
        $token = $this->getArgument('--token');
        $apiBase = $this->getArgument('--api-base');
        $noChangelog = (bool) $this->getArgument('--no-changelog');
        $repo = $this->getArgument('--repo');
        $giteaUrl = $this->getArgument('--gitea-url');
        if ($token === null) {
            $token = getenv('MOKOGITEA_TOKEN') ?: getenv('GITEA_TOKEN') ?: null;
        }
        if ($giteaUrl === null) {
            $giteaUrl = getenv('GITEA_URL') ?: 'https://git.mokoconsulting.tech';
        }
        if ($apiBase === null && $repo !== null) {
            $apiBase = rtrim($giteaUrl, '/') . '/api/v1/repos/' . $repo;
        }
        if ($branch === null || $token === null || $apiBase === null) {
            $this->log('ERROR', "Usage: version_bump_remote.php --branch BRANCH --token TOKEN --api-base URL [--bump minor|patch|major]");
            return 1;
        }
        $root = realpath($path) ?: $path;
        $version = null;
        $manifestFile = null;
        foreach (["{$root}/src", $root] as $dir) {
            if (!is_dir($dir)) {
                continue;
            }
            foreach (glob("{$dir}/*.xml") ?: [] as $f) {
                $xml = file_get_contents($f);
                if (strpos($xml, '<extension') !== false || strpos($xml, '<version>') !== false) {
                    if (preg_match('|<version>(\d{2}\.\d{2}\.\d{2})</version>|', $xml, $m)) {
                        if ($version === null || version_compare($m[1], $version, '>')) {
                            $version = $m[1];
                            $manifestFile = basename($f);
                        }
                    }
                }
            }
        }
        if ($version === null) {
            $this->log('ERROR', "No version found in manifest XML");
            return 1;
        }
        if (!preg_match('/^(\d{2})\.(\d{2})\.(\d{2})$/', $version, $parts)) {
            $this->log('ERROR', "Invalid version format: {$version}");
            return 1;
        }
        $major = (int)$parts[1];
        $minor = (int)$parts[2];
        $patch = (int)$parts[3];
        switch ($bumpType) {
            case 'major':
                $major++;
                $minor = 0;
                $patch = 0;
                break;
            case 'minor':
                $minor++;
                $patch = 0;
                break;
            default:
                $patch++;
                break;
        }
        $nextVersion = sprintf('%02d.%02d.%02d', $major, $minor, $patch);
        echo "{$version} -> {$nextVersion} ({$branch})\n";

        $manifestPaths = [];
        if ($manifestFile !== null) {
            $manifestPaths[] = "src/{$manifestFile}";
        }
        $manifestPaths = array_merge($manifestPaths, ['src/templateDetails.xml', 'src/manifest.xml']);
        $manifestUpdated = false;
        foreach ($manifestPaths as $mPath) {
            $result = $this->updateRemoteFile($apiBase, $token, $mPath, $branch, function (string $content) use ($version, $nextVersion): string {
                return str_replace("<version>{$version}</version>", "<version>{$nextVersion}</version>", $content);
            }, "chore(version): bump {$version} -> {$nextVersion} [skip ci]");
            if ($result) {
                $manifestUpdated = true;
                break;
            }
        }
        if (!$manifestUpdated) {
            $this->log('WARN', "could not update manifest on {$branch}");
        }
        if (!$noChangelog) {
            $this->updateRemoteFile($apiBase, $token, 'CHANGELOG.md', $branch, function (string $content) use ($version, $nextVersion): string {
                $content = str_replace("VERSION: {$version}", "VERSION: {$nextVersion}", $content);
                if (strpos($content, '[Unreleased]') === false && strpos($content, "## [{$nextVersion}]") === false) {
                    $marker = "## [{$version}]";
                    if (strpos($content, $marker) !== false) {
                            $header = "## [{$nextVersion}] - Unreleased\n\n"
                            . "### Added\n\n### Changed\n\n"
                            . "### Fixed\n\n";
                        $content = str_replace(
                            $marker,
                            $header . $marker,
                            $content
                        );
                    }
                }
                return $content;
            }, "chore(version): bump CHANGELOG {$version} -> {$nextVersion} [skip ci]");
        }
        return 0;
    }

    private function giteaApi(string $method, string $url, string $token, ?string $body = null): ?array
    {
        $ch = curl_init($url);
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => [
                "Authorization: token {$token}",
                'Content-Type: application/json',
            ],
            CURLOPT_CUSTOMREQUEST => $method,
            CURLOPT_TIMEOUT => 30,
        ]);
        if ($body !== null) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
        }
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);
        if ($httpCode >= 400 || $response === false) {
            return null;
        }
        return json_decode($response, true) ?: [];
    }

    private function updateRemoteFile(
        string $apiBase,
        string $token,
        string $filePath,
        string $branch,
        callable $transform,
        string $commitMessage
    ): bool {
        $file = $this->giteaApi('GET', "{$apiBase}/contents/{$filePath}?ref={$branch}", $token);
        if ($file === null || !isset($file['sha']) || !isset($file['content'])) {
            return false;
        }
        $content = base64_decode($file['content']);
        $newContent = $transform($content);
        if ($newContent === $content) {
            $this->log('INFO', "{$filePath}: no changes needed");
            return true;
        }
        $payload = json_encode(['content' => base64_encode($newContent), 'sha' => $file['sha'], 'message' => $commitMessage, 'branch' => $branch]);
        $result = $this->giteaApi('PUT', "{$apiBase}/contents/{$filePath}", $token, $payload);
        if ($result === null) {
            $this->log('ERROR', "{$filePath}: failed to update");
            return false;
        }
        echo "  {$filePath}: updated on {$branch}\n";
        return true;
    }
}

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