#!/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/joomla_compat_check.php
 * BRIEF: Check if extension targetplatform regex matches the latest Joomla version
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class JoomlaCompatCheckCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Check if extension targetplatform regex matches the latest Joomla version');
        $this->addArgument('--path', 'Repository root', '.');
        $this->addArgument('--github-output', 'Export results to $GITHUB_OUTPUT', false);
    }

    protected function run(): int
    {
        $path = $this->getArgument('--path');
        $ghOutput = $this->getArgument('--github-output');

        $root = realpath($path) ?: $path;

        // -- Find manifest and extract targetplatform --
        $manifest = null;
        $searchDirs = ["{$root}/src", $root];
        foreach ($searchDirs 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, 'targetplatform') !== false) {
                    $manifest = $f;
                    break 2;
                }
            }
        }

        if ($manifest === null) {
            $this->log('ERROR', 'No manifest with targetplatform found');
            return 1;
        }

        $xml = file_get_contents($manifest);
        $relManifest = str_replace($root . '/', '', $manifest);

        // Extract targetplatform version regex
        $targetRegex = '';
        if (preg_match('/targetplatform[^>]*version="([^"]+)"/', $xml, $m)) {
            $targetRegex = $m[1];
        }

        if (empty($targetRegex)) {
            echo "No targetplatform version found in {$relManifest}\n";
            return 1;
        }

        echo "Manifest:        {$relManifest}\n";
        echo "Target regex:    {$targetRegex}\n";

        // -- Fetch latest Joomla version --
        $joomlaVersions = [];
        $updateUrl = 'https://update.joomla.org/core/sts/list_sts.xml';
        $updateXml = @file_get_contents($updateUrl);

        if ($updateXml === false) {
            // Fallback: try the LTS feed
            $updateUrl = 'https://update.joomla.org/core/list.xml';
            $updateXml = @file_get_contents($updateUrl);
        }

        if ($updateXml !== false) {
            // Parse all version entries
            preg_match_all('/<version>([^<]+)<\/version>/', $updateXml, $matches);
            $joomlaVersions = $matches[1] ?? [];
        }

        if (empty($joomlaVersions)) {
            echo "WARNING: Could not fetch Joomla versions from update server\n";
            echo "Tested URL: {$updateUrl}\n";
            return 0;
        }

        // Sort and get latest
        usort($joomlaVersions, 'version_compare');
        $latestJoomla = end($joomlaVersions);

        echo "Latest Joomla:   {$latestJoomla}\n";

        // -- Test compatibility --
        $compatible = @preg_match("/{$targetRegex}/", $latestJoomla);

        if ($compatible === false) {
            echo "ERROR: Invalid regex in targetplatform: {$targetRegex}\n";
            $result = 'error';
        } elseif ($compatible === 1) {
            echo "PASS: Joomla {$latestJoomla} matches targetplatform regex\n";
            $result = 'pass';
        } else {
            // Check which major versions are supported
            $supported = [];
            foreach (['5.0', '5.1', '5.2', '5.3', '5.4', '6.0', '6.1', '6.2', '7.0'] as $v) {
                if (@preg_match("/{$targetRegex}/", $v)) {
                    $supported[] = $v;
                }
            }

            echo "WARN: Joomla {$latestJoomla} does NOT match targetplatform regex\n";
            echo "Supported versions: " . implode(', ', $supported) . "\n";
            echo "Consider updating targetplatform to include Joomla {$latestJoomla}\n";
            $result = 'warn';
        }

        // -- Export --
        if ($ghOutput) {
            $ghFile = getenv('GITHUB_OUTPUT');
            if ($ghFile) {
                file_put_contents($ghFile, "compat_result={$result}\n", FILE_APPEND);
                file_put_contents($ghFile, "compat_joomla={$latestJoomla}\n", FILE_APPEND);
                file_put_contents($ghFile, "compat_regex={$targetRegex}\n", FILE_APPEND);
            }
        }

        return $result === 'error' ? 1 : 0;
    }
}

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