#!/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_package.php
 * BRIEF: Build packages (ZIP + tar.gz) with SHA-256 and upload to Gitea release
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class ReleasePackageCli extends CliFramework
{
    /** @var array<int, string> */
    private array $excludePatterns = [
        'sftp-config*',
        '.ftpignore',
        '*.ppk',
        '*.pem',
        '*.key',
        '.env*',
        '*.local',
        '.build-trigger',
    ];

    protected function configure(): void
    {
        $this->setDescription('Build packages (ZIP + tar.gz) with SHA-256 and upload to Gitea release');
        $this->addArgument('--path', 'Repository root path', '.');
        $this->addArgument('--version', 'Release version', '');
        $this->addArgument('--tag', 'Release tag name', '');
        $this->addArgument('--token', 'Gitea API token', '');
        $this->addArgument('--api-base', 'Gitea API base URL', '');
        $this->addArgument('--repo', 'Repo name for element detection fallback', '');
        $this->addArgument('--output', 'Output directory for built packages', '');
    }

    protected function run(): int
    {
        $path = $this->getArgument('--path');
        $version = $this->getArgument('--version');
        $tag = $this->getArgument('--tag');
        $token = $this->getArgument('--token');
        $apiBase = $this->getArgument('--api-base');
        $repoName = $this->getArgument('--repo');
        $outputDir = $this->getArgument('--output');

        if ($outputDir === '' || $outputDir === null) {
            $outputDir = sys_get_temp_dir();
        }

        // Allow token from environment
        if ($token === '' || $token === null) {
            $token = getenv('MOKOGITEA_TOKEN') ?: (getenv('GITEA_TOKEN') ?: '');
        }

        if ($version === '' || $tag === '' || $token === '' || $apiBase === '') {
            $this->log('ERROR', "Usage: release_package.php --path . --version VER --tag TAG --token TOKEN --api-base URL");
            $this->log('ERROR', "  --repo REPO       Repo name for element detection fallback");
            $this->log('ERROR', "  --output DIR      Output directory for built packages (default: sys_get_temp_dir())");
            $this->log('ERROR', "  Token can also be set via MOKOGITEA_TOKEN or GITEA_TOKEN env var");
            return 1;
        }

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

        // ── Read platform from .mokogitea/manifest.xml ───────────────────────
        $detectedPlatform = 'generic';
        $detectedEntryPoint = '';
        $mokoManifest = "{$root}/.mokogitea/manifest.xml";
        if (file_exists($mokoManifest)) {
            $mokoXml = @simplexml_load_file($mokoManifest);
            if ($mokoXml !== false) {
                $rawPlatform = (string)($mokoXml->governance->platform ?? '');
                if ($rawPlatform !== '') {
                    $detectedPlatform = match ($rawPlatform) {
                        'waas-component' => 'joomla',
                        'crm-module' => 'dolibarr',
                        default => $rawPlatform,
                    };
                }
                $detectedEntryPoint = (string)($mokoXml->build->{"entry-point"} ?? '');
            }
        }

        // ── Detect element metadata from manifest XML ────────────────────────
        $extElement = '';
        $extType = '';
        $extFolder = '';
        $typePrefix = '';

        $manifestFiles = array_merge(
            glob("{$root}/src/pkg_*.xml") ?: [],
            glob("{$root}/src/*.xml") ?: [],
            glob("{$root}/*.xml") ?: []
        );

        $extManifest = null;
        foreach ($manifestFiles as $file) {
            $content = file_get_contents($file);
            if ($content !== false && strpos($content, '<extension') !== false) {
                $extManifest = $file;
                break;
            }
        }

        if ($extManifest !== null) {
            $xml = file_get_contents($extManifest);
            if ($xml === false) {
                $xml = '';
            }

            // Extension type and folder
            if (preg_match('/type="([^"]*)"/', $xml, $tm)) {
                $extType = $tm[1];
            }
            if (preg_match('/group="([^"]*)"/', $xml, $gm)) {
                $extFolder = $gm[1];
            }

            // Element name
            if (preg_match('/<element>([^<]+)<\/element>/', $xml, $em)) {
                $extElement = $em[1];
            }
            if ($extElement === '' && preg_match('/module="([^"]*)"/', $xml, $mm)) {
                $extElement = $mm[1];
            }
            if ($extElement === '' && preg_match('/plugin="([^"]*)"/', $xml, $pm)) {
                $extElement = $pm[1];
            }
            if ($extType === 'package' && preg_match('/<packagename>([^<]+)<\/packagename>/', $xml, $pn)) {
                $extElement = $pn[1];
            }
            if ($extElement === '') {
                $extElement = strtolower(basename($extManifest, '.xml'));
                if (in_array($extElement, ['templatedetails', 'manifest'], true)) {
                    $extElement = strtolower(str_replace([' ', '-'], '', $repoName !== '' ? $repoName : basename($root)));
                }
            }
        }

        // Fallback to repo name
        if ($extElement === '') {
            $extElement = strtolower(str_replace([' ', '-'], '', $repoName !== '' ? $repoName : basename($root)));
        }

        // Strip existing type prefix to prevent duplication
        $extElement = (string) preg_replace('/^(pkg_|com_|mod_|plg_[a-z]+_|tpl_|lib_)/', '', $extElement);

        // Compute type prefix
        switch ($extType) {
            case 'plugin':
                $typePrefix = "plg_{$extFolder}_";
                break;
            case 'module':
                $typePrefix = 'mod_';
                break;
            case 'component':
                $typePrefix = 'com_';
                break;
            case 'template':
                $typePrefix = 'tpl_';
                break;
            case 'library':
                $typePrefix = 'lib_';
                break;
            case 'package':
                $typePrefix = 'pkg_';
                break;
        }

        echo "Element: {$typePrefix}{$extElement}\n";
        echo "Type: {$extType}\n";

        // ── Compute filenames ────────────────────────────────────────────────
        $baseName = "{$typePrefix}{$extElement}-{$version}";
        $zipFile = "{$outputDir}/{$baseName}.zip";
        $tarFile = "{$outputDir}/{$baseName}.tar.gz";

        echo "ZIP: {$baseName}.zip\n";
        echo "TAR: {$baseName}.tar.gz\n";

        // ── Find source directory ────────────────────────────────────────────
        $sourceDir = null;

        if ($detectedEntryPoint !== '') {
            $entryDir = rtrim(dirname($detectedEntryPoint) === '.' ? $detectedEntryPoint : dirname($detectedEntryPoint), '/');
            if (is_dir("{$root}/{$entryDir}")) {
                $sourceDir = "{$root}/{$entryDir}";
            }
        }

        if ($sourceDir === null && is_dir("{$root}/src")) {
            $sourceDir = "{$root}/src";
        } elseif ($sourceDir === null && is_dir("{$root}/htdocs")) {
            $sourceDir = "{$root}/htdocs";
        }

        if ($sourceDir === null) {
            echo "No src/ or htdocs/ directory found — skipping package build\n";
            return 0;
        }

        echo "Source: {$sourceDir}\n";

        // ── Build packages ───────────────────────────────────────────────────
        $isJoomlaPackage = ($extType === 'package' && is_dir("{$sourceDir}/packages"));

        if ($isJoomlaPackage) {
            echo "Building Joomla package (sub-extensions)...\n";

            $zip = new \ZipArchive();
            if ($zip->open($zipFile, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
                $this->log('ERROR', "Failed to create ZIP: {$zipFile}");
                return 1;
            }

            $packageDirs = glob("{$sourceDir}/packages/*", GLOB_ONLYDIR) ?: [];
            foreach ($packageDirs as $pkgDir) {
                $subName = basename($pkgDir);
                $subZipPath = "{$outputDir}/{$subName}.zip";

                $subZip = new \ZipArchive();
                if ($subZip->open($subZipPath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
                    $this->log('ERROR', "Failed to create sub-package ZIP: {$subZipPath}");
                    continue;
                }
                $this->addDirToZip($subZip, $pkgDir, '', $this->excludePatterns);
                $subZip->close();

                $zip->addFile($subZipPath, "packages/{$subName}.zip");
                echo "  Sub-package: {$subName}.zip\n";
            }

            $pkgManifests = glob("{$sourceDir}/pkg_*.xml") ?: [];
            foreach ($pkgManifests as $pkgXml) {
                $pkgContent = file_get_contents($pkgXml);
                if (strpos($pkgContent, '<files>') !== false && strpos($pkgContent, 'folder="packages"') === false) {
                    $pkgContent = str_replace('<files>', '<files folder="packages">', $pkgContent);
                    file_put_contents($pkgXml, $pkgContent);
                    echo "  Fixed: added folder=\"packages\" to " . basename($pkgXml) . "\n";
                }
            }

            $topLevelFiles = array_merge(
                glob("{$sourceDir}/*.xml") ?: [],
                glob("{$sourceDir}/*.php") ?: []
            );
            foreach ($topLevelFiles as $tlFile) {
                if (!$this->isExcluded(basename($tlFile), $this->excludePatterns)) {
                    $zip->addFile($tlFile, basename($tlFile));
                }
            }

            $topLevelDirs = glob("{$sourceDir}/*", GLOB_ONLYDIR) ?: [];
            foreach ($topLevelDirs as $tlDir) {
                $dirName = basename($tlDir);
                if ($dirName === 'packages') {
                    continue;
                }
                $this->addDirToZip($zip, $tlDir, $dirName, $this->excludePatterns);
                echo "  Included dir: {$dirName}/\n";
            }

            $zip->close();
            echo "ZIP created: {$zipFile}\n";
        } else {
            echo "Building standard extension ZIP...\n";

            $zip = new \ZipArchive();
            if ($zip->open($zipFile, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
                $this->log('ERROR', "Failed to create ZIP: {$zipFile}");
                return 1;
            }
            $this->addDirToZip($zip, $sourceDir, '', $this->excludePatterns);
            $zip->close();
            echo "ZIP created: {$zipFile}\n";
        }

        // ── Build tar.gz ─────────────────────────────────────────────────────
        $tarExcludeArgs = [];
        foreach ($this->excludePatterns as $pattern) {
            $tarExcludeArgs[] = '--exclude=' . escapeshellarg($pattern);
        }

        $tarCommand = sprintf(
            'tar -czf %s -C %s %s .',
            escapeshellarg($tarFile),
            escapeshellarg($sourceDir),
            implode(' ', $tarExcludeArgs)
        );

        $tarReturnCode = 0;
        $tarOutputLines = [];
        exec($tarCommand . ' 2>&1', $tarOutputLines, $tarReturnCode);

        if (!file_exists($tarFile)) {
            $this->log('ERROR', "Failed to create tar.gz: {$tarFile}");
            if ($tarOutputLines !== []) {
                $this->log('ERROR', implode("\n", $tarOutputLines));
            }
            return 1;
        }
        echo "TAR created: {$tarFile}\n";

        // ── Compute SHA-256 checksums ────────────────────────────────────────
        $zipHash = hash_file('sha256', $zipFile);
        $tarHash = hash_file('sha256', $tarFile);

        if ($zipHash === false || $tarHash === false) {
            $this->log('ERROR', "Failed to compute SHA-256 checksums");
            return 1;
        }

        $zipSha = "{$zipFile}.sha256";
        $tarSha = "{$tarFile}.sha256";

        file_put_contents($zipSha, "{$zipHash}  {$baseName}.zip\n");
        file_put_contents($tarSha, "{$tarHash}  {$baseName}.tar.gz\n");

        echo "SHA-256 (ZIP): {$zipHash}\n";
        echo "SHA-256 (TAR): {$tarHash}\n";
        echo "sha256_zip={$zipHash}\n";
        echo "zip_name={$baseName}.zip\n";

        // Write to GITHUB_OUTPUT if available
        $ghOutput = getenv('GITHUB_OUTPUT');
        if ($ghOutput) {
            file_put_contents($ghOutput, "sha256_zip={$zipHash}\nzip_name={$baseName}.zip\n", FILE_APPEND);
        }

        // ── Get release ID from tag ──────────────────────────────────────────
        $result = $this->giteaApiRequest("{$apiBase}/releases/tags/{$tag}", $token);
        if ($result['data'] === null || !isset($result['data']['id'])) {
            $this->log('ERROR', "No release found for tag: {$tag} (HTTP {$result['code']})");
            return 1;
        }

        $releaseId = (int) $result['data']['id'];
        echo "Release ID: {$releaseId} (tag: {$tag})\n";

        // ── Delete existing assets with same names ───────────────────────────
        $assetsResult = $this->giteaApiRequest("{$apiBase}/releases/{$releaseId}/assets", $token);
        $existingAssets = $assetsResult['data'] ?? [];

        $uploadNames = [
            "{$baseName}.zip",
            "{$baseName}.tar.gz",
            "{$baseName}.zip.sha256",
            "{$baseName}.tar.gz.sha256",
        ];

        foreach ($existingAssets as $asset) {
            if (!is_array($asset)) {
                continue;
            }
            $assetName = $asset['name'] ?? '';
            $assetId = $asset['id'] ?? 0;
            if (in_array($assetName, $uploadNames, true) && $assetId > 0) {
                $this->giteaApiRequest("{$apiBase}/releases/{$releaseId}/assets/{$assetId}", $token, 'DELETE');
                echo "Deleted existing asset: {$assetName}\n";
            }
        }

        // ── Upload assets ────────────────────────────────────────────────────
        $filesToUpload = [
            "{$baseName}.zip"           => $zipFile,
            "{$baseName}.tar.gz"        => $tarFile,
            "{$baseName}.zip.sha256"    => $zipSha,
            "{$baseName}.tar.gz.sha256" => $tarSha,
        ];

        $uploaded = 0;
        foreach ($filesToUpload as $name => $localPath) {
            if (!file_exists($localPath)) {
                $this->log('ERROR', "File not found, skipping: {$localPath}");
                continue;
            }

            $uploadUrl = "{$apiBase}/releases/{$releaseId}/assets?name=" . urlencode($name);
            $httpCode = $this->giteaUploadAsset($uploadUrl, $token, $localPath);
            $status = ($httpCode >= 200 && $httpCode < 300) ? 'OK' : "FAILED ({$httpCode})";
            echo "Upload: {$name} — {$status}\n";

            if ($httpCode >= 200 && $httpCode < 300) {
                $uploaded++;
            }
        }

        // ── Summary ──────────────────────────────────────────────────────────
        echo "\n";
        echo "Package build complete\n";
        echo "  Element:  {$typePrefix}{$extElement}\n";
        echo "  Version:  {$version}\n";
        echo "  Tag:      {$tag}\n";
        echo "  Uploaded: {$uploaded}/" . count($filesToUpload) . " asset(s)\n";

        return $uploaded === count($filesToUpload) ? 0 : 1;
    }

    /**
     * Perform a Gitea API request.
     *
     * @return array{data: array<string, mixed>|null, code: int}
     */
    private function giteaApiRequest(string $url, string $token, string $method = 'GET', ?string $body = null): array
    {
        $ch = curl_init($url);
        if ($ch === false) {
            return ['data' => null, 'code' => 0];
        }
        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => [
                "Authorization: token {$token}",
                'Content-Type: application/json',
            ],
            CURLOPT_TIMEOUT => 30,
            CURLOPT_CUSTOMREQUEST => $method,
        ]);
        if ($body !== null) {
            curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
        }
        $response = curl_exec($ch);
        $httpCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode < 200 || $httpCode >= 300 || !is_string($response) || $response === '') {
            return ['data' => null, 'code' => $httpCode];
        }

        $decoded = json_decode($response, true);
        return ['data' => is_array($decoded) ? $decoded : null, 'code' => $httpCode];
    }

    /**
     * Upload a file as a release asset.
     */
    private function giteaUploadAsset(string $url, string $token, string $filePath): int
    {
        $ch = curl_init($url);
        if ($ch === false) {
            return 0;
        }
        $fileContent = file_get_contents($filePath);
        if ($fileContent === false) {
            return 0;
        }
        curl_setopt_array($ch, [
            CURLOPT_POST => true,
            CURLOPT_HTTPHEADER => [
                "Authorization: token {$token}",
                'Content-Type: application/octet-stream',
            ],
            CURLOPT_POSTFIELDS => $fileContent,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT => 120,
        ]);
        curl_exec($ch);
        $httpCode = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        return $httpCode;
    }

    /**
     * Check if a filename matches any exclusion pattern.
     */
    private function isExcluded(string $filename, array $patterns): bool
    {
        $basename = basename($filename);
        foreach ($patterns as $pattern) {
            if (fnmatch($pattern, $basename)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Recursively add files from a directory to a ZipArchive.
     */
    private function addDirToZip(\ZipArchive $zip, string $sourceDir, string $prefix, array $excludes): void
    {
        $iterator = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator($sourceDir, \RecursiveDirectoryIterator::SKIP_DOTS),
            \RecursiveIteratorIterator::LEAVES_ONLY
        );

        foreach ($iterator as $file) {
            if (!$file instanceof \SplFileInfo || !$file->isFile()) {
                continue;
            }

            $realPath = $file->getRealPath();
            if ($realPath === false) {
                continue;
            }

            if ($this->isExcluded($file->getFilename(), $excludes)) {
                continue;
            }

            $relativePath = substr($realPath, strlen($sourceDir) + 1);
            // Normalise to forward slashes for ZIP compatibility
            $relativePath = str_replace('\\', '/', $relativePath);
            $archivePath = $prefix !== '' ? "{$prefix}/{$relativePath}" : $relativePath;
            $zip->addFile($realPath, $archivePath);
        }
    }
}

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