#!/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_build.php
 * VERSION: 09.23.00
 * BRIEF: Build a Joomla extension ZIP from manifest — all types supported
 * NOTE: Called by pre-release and auto-release workflows.
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class JoomlaBuildCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Build a Joomla extension ZIP from manifest');
        $this->addArgument('--path', 'Repository root path', '.');
        $this->addArgument('--version', 'Version string (required)', '');
        $this->addArgument('--suffix', 'Version suffix (e.g. -dev)', '');
        $this->addArgument('--output', 'Output directory', 'build');
        $this->addArgument('--github-output', 'Write outputs to GITHUB_OUTPUT file', false);
    }

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

        if ($version === '') {
            $this->log('ERROR', '::error::--version is required');
            return 1;
        }

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

        // ── Find source directory ──────────────────────────────────────────────
        $srcDir = null;
        foreach (['src', 'htdocs'] as $d) {
            if (is_dir("{$path}/{$d}")) {
                $srcDir = "{$path}/{$d}";
                break;
            }
        }
        if ($srcDir === null) {
            $this->log('ERROR', "::error::No src/ or htdocs/ directory in {$path}");
            return 1;
        }

        // ── Find manifest ──────────────────────────────────────────────────────
        $manifest = $this->findManifest($srcDir);
        if ($manifest === null) {
            $this->log('ERROR', "::error::No Joomla manifest found in {$srcDir}");
            return 1;
        }

        $this->log('INFO', "Manifest: {$manifest}");

        // ── Parse manifest ─────────────────────────────────────────────────────
        $meta = $this->parseManifest($manifest);

        // Resolve language-key names (e.g. PLG_SYSTEM_MOKOWAAS -> "System - Moko WaaS")
        if (preg_match('/^[A-Z_]+$/', $meta['name'])) {
            $resolved = $this->resolveLanguageKey($srcDir, $meta['name']);
            if ($resolved !== null) {
                $meta['name'] = $resolved;
            }
        }

        $prefix  = $this->typePrefix($meta);
        $zipName = "{$prefix}{$meta['element']}-{$version}{$suffix}.zip";
        $zipPath = "{$outputDir}/{$zipName}";

        $this->log('INFO', "=== Joomla Build: {$meta['type']} — {$meta['element']} {$version}{$suffix} ===");
        $this->log('INFO', "  Type:    {$meta['type']}");
        $this->log('INFO', "  Element: {$meta['element']}");
        $this->log('INFO', "  Group:   " . ($meta['group'] ?: 'n/a'));
        $this->log('INFO', "  Name:    {$meta['name']}");
        $this->log('INFO', "  Output:  {$zipName}");

        // ── Build ──────────────────────────────────────────────────────────────
        if (!is_dir($outputDir)) {
            mkdir($outputDir, 0755, true);
        }

        if ($meta['type'] === 'package') {
            $this->buildPackageZip($srcDir, $zipPath);
        } else {
            $this->buildZip($srcDir, $zipPath);
        }

        $sha256 = hash_file('sha256', $zipPath);
        $size   = filesize($zipPath);

        $this->log('INFO', "Package: {$zipPath} ({$size} bytes, SHA: " . substr($sha256, 0, 16) . "...)");

        // ── Output variables ───────────────────────────────────────────────────
        $vars = [
            'zip_name'    => $zipName,
            'zip_path'    => $zipPath,
            'sha256'      => $sha256,
            'ext_type'    => $meta['type'],
            'ext_element' => $meta['element'],
            'ext_name'    => $meta['name'],
            'ext_group'   => $meta['group'],
            'type_prefix' => $prefix,
        ];

        if ($ghOutput && ($ghFile = getenv('GITHUB_OUTPUT')) !== false && $ghFile !== '') {
            $fh = fopen($ghFile, 'a');
            foreach ($vars as $k => $v) {
                fwrite($fh, "{$k}={$v}\n");
            }
            fclose($fh);
            $this->log('INFO', "Wrote " . count($vars) . " outputs to GITHUB_OUTPUT");
        } else {
            foreach ($vars as $k => $v) {
                echo "{$k}={$v}\n";
            }
        }

        return 0;
    }

    // ═══════════════════════════════════════════════════════════════════════
    // Private methods
    // ═══════════════════════════════════════════════════════════════════════

    private function findManifest(string $dir): ?string
    {
        // Priority: pkg_*.xml (packages), then any *.xml with <extension>
        foreach (glob("{$dir}/pkg_*.xml") ?: [] as $f) {
            return $f;
        }
        foreach (glob("{$dir}/*.xml") ?: [] as $f) {
            if (str_contains((string) file_get_contents($f), '<extension')) {
                return $f;
            }
        }
        // Broader nested search
        $iter = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS),
            RecursiveIteratorIterator::SELF_FIRST
        );
        foreach ($iter as $item) {
            if ($item->isFile() && $item->getExtension() === 'xml') {
                if (str_contains((string) file_get_contents($item->getPathname()), '<extension')) {
                    return $item->getPathname();
                }
            }
        }
        return null;
    }

    private function parseManifest(string $file): array
    {
        $xml     = simplexml_load_file($file);
        $name    = (string) ($xml->name ?? '');
        $type    = (string) ($xml->attributes()->type ?? 'component');
        $element = (string) ($xml->element ?? '');
        $group   = (string) ($xml->attributes()->group ?? '');

        // For packages, prefer <packagename> as the clean element (avoids pkg_pkg_ duplication)
        if ($type === 'package' && $element === '') {
            $packageName = (string) ($xml->packagename ?? '');
            if ($packageName !== '') {
                $element = $packageName;
            }
        }

        // Fallback element detection
        if ($element === '') {
            $element = (string) ($xml->attributes()->plugin ?? '');
        }
        if ($element === '') {
            $element = (string) ($xml->attributes()->module ?? '');
        }
        if ($element === '') {
            $element = strtolower(basename($file, '.xml'));
            if (in_array($element, ['templatedetails', 'manifest'], true)) {
                $element = strtolower(basename(dirname($file)));
            }
        }

        // Strip existing type prefix to prevent duplication (e.g. pkg_mokowaas -> mokowaas)
        $element = preg_replace('/^(pkg_|com_|mod_|plg_\w+_|tpl_|lib_)/', '', $element);

        if ($name === '') {
            $name = $element;
        }

        return compact('name', 'type', 'element', 'group');
    }

    private function typePrefix(array $meta): string
    {
        return match ($meta['type']) {
            'plugin'    => "plg_{$meta['group']}_",
            'module'    => 'mod_',
            'component' => 'com_',
            'template'  => 'tpl_',
            'package'   => 'pkg_',
            'library'   => 'lib_',
            default     => '',
        };
    }

    private function resolveLanguageKey(string $srcDir, string $key): ?string
    {
        $iter = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($srcDir, FilesystemIterator::SKIP_DOTS)
        );
        foreach ($iter as $item) {
            if ($item->isFile() && str_ends_with($item->getFilename(), '.sys.ini')) {
                foreach (file($item->getPathname()) as $line) {
                    if (preg_match('/^' . preg_quote($key, '/') . '="(.+)"/', trim($line), $m)) {
                        return $m[1];
                    }
                }
            }
        }
        return null;
    }

    private function isExcluded(string $name): bool
    {
        if ($name === '.ftpignore') {
            return true;
        }
        if (str_starts_with($name, 'sftp-config')) {
            return true;
        }
        if (str_starts_with($name, '.env')) {
            return true;
        }
        if (str_starts_with($name, '.build-trigger')) {
            return true;
        }
        $ext = pathinfo($name, PATHINFO_EXTENSION);
        return in_array($ext, ['ppk', 'pem', 'key', 'local'], true);
    }

    private function buildZip(string $srcDir, string $outPath): void
    {
        $zip = new ZipArchive();
        if ($zip->open($outPath, ZipArchive::CREATE | ZipArchive::OVERWRITE) !== true) {
            $this->log('ERROR', "::error::Cannot create ZIP: {$outPath}");
            return;
        }
        $iter = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($srcDir, FilesystemIterator::SKIP_DOTS),
            RecursiveIteratorIterator::SELF_FIRST
        );
        foreach ($iter as $file) {
            $local = str_replace('\\', '/', substr($file->getPathname(), strlen($srcDir) + 1));
            if ($this->isExcluded(basename($local))) {
                continue;
            }
            $file->isDir() ? $zip->addEmptyDir($local) : $zip->addFile($file->getPathname(), $local);
        }
        $zip->close();
    }

    private function buildPackageZip(string $srcDir, string $outPath): void
    {
        $this->log('INFO', "Building Joomla package (multi-extension)...");
        $staging = sys_get_temp_dir() . '/moko_pkg_' . uniqid();
        mkdir($staging, 0755, true);

        // 1. Zip each sub-extension in packages/
        $packagesDir = "{$srcDir}/packages";
        if (is_dir($packagesDir)) {
            foreach (glob("{$packagesDir}/*", GLOB_ONLYDIR) as $extDir) {
                $subManifest = $this->findManifest($extDir);
                if ($subManifest) {
                    $sub = $this->parseManifest($subManifest);
                    $subPrefix = $this->typePrefix($sub);
                    $subZipName = "{$subPrefix}{$sub['element']}.zip";
                } else {
                    $subZipName = basename($extDir) . '.zip';
                }

                $this->log('INFO', "  Sub-extension: {$subZipName}");
                $this->buildZip($extDir, "{$staging}/{$subZipName}");
            }
        }

        // 2. Copy package-level files (manifest, script, language)
        foreach (glob("{$srcDir}/*.xml") ?: [] as $f) {
            copy($f, "{$staging}/" . basename($f));
        }
        foreach (glob("{$srcDir}/*.php") ?: [] as $f) {
            copy($f, "{$staging}/" . basename($f));
        }
        foreach (['language', 'administrator'] as $d) {
            if (is_dir("{$srcDir}/{$d}")) {
                $this->copyTree("{$srcDir}/{$d}", "{$staging}/{$d}");
            }
        }

        // 3. Create outer zip
        $this->buildZip($staging, $outPath);

        // Cleanup
        $this->rmTree($staging);
    }

    private function copyTree(string $src, string $dst): void
    {
        if (!is_dir($dst)) {
            mkdir($dst, 0755, true);
        }
        $iter = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($src, FilesystemIterator::SKIP_DOTS),
            RecursiveIteratorIterator::SELF_FIRST
        );
        foreach ($iter as $item) {
            $target = "{$dst}/" . $iter->getSubPathname();
            $item->isDir() ? (is_dir($target) || mkdir($target, 0755, true)) : copy($item->getPathname(), $target);
        }
    }

    private function rmTree(string $dir): void
    {
        if (!is_dir($dir)) {
            return;
        }
        $iter = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS),
            RecursiveIteratorIterator::CHILD_FIRST
        );
        foreach ($iter as $item) {
            $item->isDir() ? rmdir($item->getPathname()) : unlink($item->getPathname());
        }
        rmdir($dir);
    }
}

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