#!/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/platform_detect.php
 * VERSION: 09.25.02
 * BRIEF: Auto-detect repository platform type and optionally update manifest
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class PlatformDetectCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Auto-detect repository platform type and optionally update manifest');
        $this->addArgument('--path', 'Local repo path to scan (default: .)', '.');
        $this->addArgument('--token', 'Gitea API token for updating manifest', '');
        $this->addArgument('--gitea-url', 'Gitea URL (default: https://git.mokoconsulting.tech)', 'https://git.mokoconsulting.tech');
        $this->addArgument('--owner', 'Repo owner for API update', '');
        $this->addArgument('--repo', 'Repo name for API update', '');
        $this->addArgument('--update', 'Update manifest.platform via API (flag)', 'false');
        $this->addArgument('--github-output', 'Append platform=xxx to $GITHUB_OUTPUT (flag)', 'false');
    }

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

        $token = $this->getArgument('--token');
        $giteaUrl = rtrim($this->getArgument('--gitea-url'), '/');
        $owner = $this->getArgument('--owner');
        $repo = $this->getArgument('--repo');
        $doUpdate = $this->isFlagSet('--update');
        $githubOutput = $this->isFlagSet('--github-output');

        $platform = $this->detectPlatform($root);

        $this->log('INFO', "Detected platform: {$platform}");
        echo $platform . "\n";

        // Append to $GITHUB_OUTPUT if requested
        if ($githubOutput) {
            $outputFile = getenv('GITHUB_OUTPUT');

            if ($outputFile !== false && $outputFile !== '') {
                file_put_contents($outputFile, "platform={$platform}\n", FILE_APPEND);
                $this->log('INFO', "Appended platform={$platform} to \$GITHUB_OUTPUT");
            } else {
                $this->log('WARN', '$GITHUB_OUTPUT is not set; skipping output append.');
            }
        }

        // Update manifest via API if requested
        if ($doUpdate) {
            if ($token === '' || $owner === '' || $repo === '') {
                $this->log('ERROR', '--update requires --token, --owner, and --repo.');
                return 1;
            }

            if ($this->dryRun) {
                $this->log('INFO', "[DRY RUN] Would update manifest.platform to \"{$platform}\" "
                    . "for {$owner}/{$repo}.");
                return 0;
            }

            $this->log('INFO', "Updating manifest.platform for {$owner}/{$repo} to \"{$platform}\"...");

            $response = $this->apiRequest(
                $giteaUrl,
                $token,
                'PATCH',
                "/api/v1/repos/{$owner}/{$repo}/manifest",
                json_encode(['platform' => $platform])
            );

            if ($response['code'] >= 200 && $response['code'] < 300) {
                $this->log('INFO', "Manifest updated successfully (HTTP {$response['code']}).");
            } else {
                $this->log('ERROR', "Failed to update manifest (HTTP {$response['code']}): "
                    . $response['body']);
                return 1;
            }
        }

        return 0;
    }

    private function detectPlatform(string $root): string
    {
        // 1. Joomla — has pkg_*.xml or Joomla-style extension manifest
        $joomlaIndicators = array_merge(
            glob("{$root}/source/pkg_*.xml") ?: [],
            glob("{$root}/pkg_*.xml") ?: [],
            glob("{$root}/source/packages/*/services/provider.php") ?: [],
            glob("{$root}/**/templateDetails.xml") ?: [],
        );
        if (!empty($joomlaIndicators)) {
            return 'joomla';
        }

        // 2. Dolibarr — has mod*.class.php or dolibarr module descriptor
        $doliIndicators = array_merge(
            glob("{$root}/core/modules/mod*.class.php") ?: [],
            glob("{$root}/class/*.class.php") ?: [],
        );
        if (!empty($doliIndicators) && file_exists("{$root}/langs")) {
            return 'dolibarr';
        }

        // 3. Go — has go.mod
        if (file_exists("{$root}/go.mod")) {
            return 'go';
        }

        // 4. MCP — has package.json with mcp-related content or dist/index.js pattern
        if (file_exists("{$root}/package.json")) {
            $pkg = json_decode(file_get_contents("{$root}/package.json"), true);
            $name = $pkg['name'] ?? '';
            if (str_contains($name, 'mcp') || isset($pkg['dependencies']['@modelcontextprotocol/sdk'])) {
                return 'mcp';
            }
        }

        // 5. Platform — is mokoplatform itself or org-config
        $repoName = basename($root);
        if (in_array($repoName, ['mokoplatform', 'mokogitea-org-config'])) {
            return 'platform';
        }

        // 6. Default
        return 'generic';
    }

    private function isFlagSet(string $flag): bool
    {
        $value = $this->getArgument($flag);

        return $value === 'true' || $value === '1' || $value === 'yes';
    }

    private function apiRequest(
        string $giteaUrl,
        string $token,
        string $method,
        string $endpoint,
        ?string $body = null
    ): array {
        $url = $giteaUrl . $endpoint;

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json',
            'Accept: application/json',
            "Authorization: token {$token}",
        ]);

        if ($body !== null) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
        }

        $responseBody = curl_exec($ch);
        $httpCode = (int) curl_getinfo(
            $ch,
            CURLINFO_HTTP_CODE
        );

        if (curl_errno($ch)) {
            $error = curl_error($ch);
            curl_close($ch);

            return [
                'code' => 0,
                'body' => "cURL error: {$error}",
            ];
        }

        curl_close($ch);

        return ['code' => $httpCode, 'body' => $responseBody];
    }
}

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