#!/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_reset_dev.php
 * BRIEF: Reset platform version to 'development' on a branch via Gitea API
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class VersionResetDevCli extends CliFramework
{
    protected function configure(): void
    {
        $this->setDescription('Reset platform version to development on a branch via Gitea API');
        $this->addArgument('--token', 'Gitea API token (also reads MOKOGITEA_TOKEN / GITEA_TOKEN env)', '');
        $this->addArgument('--api-base', 'Gitea API base URL for the repo', '');
        $this->addArgument('--branch', 'Target branch (default: dev)', 'dev');
        $this->addArgument('--platform', 'Platform type: dolibarr, crm-module, joomla, waas-component', '');
        $this->addArgument('--path', 'Repo root for auto-detecting platform from manifest.xml', '');
    }

    protected function run(): int
    {
        $token    = $this->getArgument('--token');
        $apiBase  = $this->getArgument('--api-base');
        $branch   = $this->getArgument('--branch');
        $platform = $this->getArgument('--platform');
        $path     = $this->getArgument('--path');

        // Allow token from environment
        if ($token === '') {
            $envToken = getenv('MOKOGITEA_TOKEN');
            if ($envToken !== false && $envToken !== '') {
                $token = $envToken;
            }
        }
        if ($token === '') {
            $envToken = getenv('GITEA_TOKEN');
            if ($envToken !== false && $envToken !== '') {
                $token = $envToken;
            }
        }

        if ($token === '' || $apiBase === '') {
            $this->log('ERROR', '--token and --api-base are required.');
            return 1;
        }

        $apiBase = rtrim($apiBase, '/');

        // ── Platform detection ───────────────────────────────────────────────────────

        if ($platform === '' && $path !== '') {
            $platform = $this->detectPlatform($path) ?? '';
            if ($platform !== '') {
                echo "Detected platform: {$platform}\n";
            }
        }

        if ($platform === '') {
            $this->log('ERROR', 'Could not determine platform. Use --platform or --path.');
            return 1;
        }

        // ── Dispatch by platform ─────────────────────────────────────────────────────

        $changed = 0;

        if (in_array($platform, ['dolibarr', 'crm-module'], true)) {
            $changed = $this->resetDolibarrVersion($apiBase, $token, $branch);
        } elseif (in_array($platform, ['joomla', 'waas-component'], true)) {
            echo "Joomla version reset is not yet implemented — skipping.\n";
        } else {
            echo "Platform '{$platform}' has no version-reset logic — skipping.\n";
        }

        echo "Reset {$changed} file(s) to 'development' on branch '{$branch}'.\n";
        return 0;
    }

    private function detectPlatform(string $repoPath): ?string
    {
        $root = realpath($repoPath) ?: $repoPath;
        $manifestXml = "{$root}/.mokogitea/manifest.xml";

        if (!file_exists($manifestXml)) {
            return null;
        }

        $xml = @simplexml_load_file($manifestXml);
        if ($xml === false) {
            return null;
        }

        if (isset($xml->governance->platform)) {
            $platform = (string) $xml->governance->platform;
            if ($platform !== '') {
                return $platform;
            }
        }

        return null;
    }

    private function giteaApiCall(string $url, string $token, string $method = 'GET', ?string $body = null): ?array
    {
        $ch = curl_init($url);
        if ($ch === false) {
            $this->log('ERROR', "curl_init() failed for {$url}");
            return null;
        }

        $headers = [
            "Authorization: token {$token}",
            'Accept: application/json',
        ];
        if ($body !== null) {
            $headers[] = 'Content-Type: application/json';
        }

        curl_setopt_array($ch, [
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER     => $headers,
            CURLOPT_TIMEOUT        => 30,
            CURLOPT_CUSTOMREQUEST  => $method,
        ]);

        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 < 200 || $httpCode >= 300 || !is_string($response) || $response === '') {
            return null;
        }

        $data = json_decode($response, true);
        if (!is_array($data)) {
            return null;
        }

        return $data;
    }

    private function resetDolibarrVersion(string $apiBase, string $token, string $branch): int
    {
        // Search the repo tree for mod*.class.php files
        $treeUrl = "{$apiBase}/git/trees/{$branch}?recursive=true";
        $tree = $this->giteaApiCall($treeUrl, $token);

        if ($tree === null || !isset($tree['tree']) || !is_array($tree['tree'])) {
            $this->log('ERROR', "Could not read repository tree for branch '{$branch}'.");
            return 0;
        }

        // Find candidate files: mod*.class.php anywhere in the tree
        $candidates = [];
        foreach ($tree['tree'] as $entry) {
            if (!isset($entry['path']) || !is_string($entry['path'])) {
                continue;
            }
            $basename = basename($entry['path']);
            if (preg_match('/^mod[A-Za-z0-9_]+\.class\.php$/', $basename)) {
                $candidates[] = $entry['path'];
            }
        }

        if (empty($candidates)) {
            echo "No mod*.class.php files found on branch '{$branch}'.\n";
            return 0;
        }

        $changed = 0;

        foreach ($candidates as $filePath) {
            // GET file contents via API
            $encodedPath = implode('/', array_map('rawurlencode', explode('/', $filePath)));
            $fileUrl = "{$apiBase}/contents/{$encodedPath}?ref={$branch}";
            $fileData = $this->giteaApiCall($fileUrl, $token);

            if ($fileData === null || !isset($fileData['content'])) {
                echo "Skipping {$filePath}: could not fetch contents.\n";
                continue;
            }

            // Decode base64 content
            $rawContent = is_string($fileData['content']) ? $fileData['content'] : '';
            $content = base64_decode($rawContent, true);
            if ($content === false) {
                echo "Skipping {$filePath}: could not decode content.\n";
                continue;
            }

            // Verify this file extends DolibarrModules
            if (!str_contains($content, 'extends DolibarrModules')) {
                continue;
            }

            // Replace $this->version = '...' with $this->version = 'development'
            $updated = preg_replace(
                '/(\$this->version\s*=\s*)[\'"][^\'"]*[\'"]/',
                "\${1}'development'",
                $content
            );

            if ($updated === null || $updated === $content) {
                echo "Skipping {$filePath}: no version change needed.\n";
                continue;
            }

            // PUT updated content back via API
            $sha = $fileData['sha'] ?? '';
            $putBody = json_encode([
                'content'  => base64_encode($updated),
                'message'  => 'chore(version): reset dev version [skip ci]',
                'branch'   => $branch,
                'sha'      => $sha,
            ]);

            $putUrl = "{$apiBase}/contents/{$encodedPath}";
            $result = $this->giteaApiCall($putUrl, $token, 'PUT', $putBody);

            if ($result !== null) {
                echo "Reset: {$filePath} -> \$this->version = 'development'\n";
                $changed++;
            } else {
                $this->log('ERROR', "Failed to update {$filePath} on branch '{$branch}'.");
            }
        }

        return $changed;
    }
}

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