#!/usr/bin/env php
<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 *
 * This file is part of a Moko Consulting project.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * FILE INFORMATION
 * DEFGROUP: MokoPlatform.Maintenance
 * INGROUP: MokoPlatform
 * REPO: https://git.mokoconsulting.tech/MokoConsulting/moko-platform
 * PATH: /maintenance/rotate_secrets.php
 * BRIEF: Audit FTP secrets and variables across all governed repos -- report missing or stale
 */

declare(strict_types=1);

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

use MokoEnterprise\CliFramework;

class RotateSecretsCli extends CliFramework
{
    private $api = null;
    private string $token = '';
    private const ALWAYS_EXCLUDE = ['moko-platform', '.github-private'];
    private const ENVS = [
        'DEV'  => [
            'vars' => ['DEV_FTP_HOST', 'DEV_FTP_PATH', 'DEV_FTP_USERNAME', 'DEV_FTP_SUFFIX'],
            'secrets' => ['DEV_FTP_KEY', 'DEV_FTP_PASSWORD'],
        ],
        'DEMO' => [
            'vars' => ['DEMO_FTP_HOST', 'DEMO_FTP_PATH', 'DEMO_FTP_USERNAME', 'DEMO_FTP_SUFFIX'],
            'secrets' => ['DEMO_FTP_KEY', 'DEMO_FTP_PASSWORD'],
        ],
        'RS'   => [
            'vars' => ['RS_FTP_HOST', 'RS_FTP_PATH', 'RS_FTP_USERNAME', 'RS_FTP_SUFFIX'],
            'secrets' => ['RS_FTP_KEY', 'RS_FTP_PASSWORD'],
        ],
    ];

    protected function configure(): void
    {
        $this->setDescription('Audit FTP secrets and variables across all governed repos');
        $this->addArgument('--all', 'Audit all repos', false);
        $this->addArgument('--repo', 'Single repo name', null);
        $this->addArgument('--org', 'Organization', 'mokoconsulting-tech');
        $this->addArgument('--json', 'JSON output', false);
        $this->addArgument('--create-issue', 'Post results as issue', false);
    }

    protected function initialize(): void
    {
        $config = \MokoEnterprise\Config::load();
        try {
            $adapter = \MokoEnterprise\PlatformAdapterFactory::create($config);
            $this->api = $adapter->getApiClient();
        } catch (\Exception $e) {
            $this->log('ERROR', "Platform init failed: " . $e->getMessage());
            exit(1);
        }
        $this->token = $config->getString('platform', 'gitea') === 'gitea'
            ? $config->getString('gitea.token', '')
            : $config->getString('github.token', '');
    }

    protected function run(): int
    {
        $allMode     = (bool) $this->getArgument('--all');
        $jsonOut     = (bool) $this->getArgument('--json');
        $createIssue = (bool) $this->getArgument('--create-issue');
        $org         = $this->getArgument('--org');
        $repoName    = $this->getArgument('--repo');

        if (!$repoName && !$allMode) {
            $this->log('ERROR', "Usage: php rotate_secrets.php --all | --repo <name> [--json] [--create-issue]");
            return 2;
        }

        $repos = [];
        if ($allMode) {
            if (!$jsonOut) {
                echo "Fetching repositories from {$org}...\n";
            }
            $page = 1;
            do {
                [$_, $batch] = $this->ghApi('GET', "orgs/{$org}/repos?per_page=100&page={$page}&type=all", null);
                foreach ($batch as $r) {
                    if (!($r['archived'] ?? false) && !in_array($r['name'], self::ALWAYS_EXCLUDE, true)) {
                        $repos[] = $r['name'];
                    }
                }
                $page++;
            } while (count($batch) === 100);
            sort($repos);
            if (!$jsonOut) {
                echo "Found " . count($repos) . " repositories\n\n";
            }
        } else {
            $repos = [$repoName];
        }

        $results    = [];
        $issueCount = 0;

        foreach ($repos as $repo) {
            $fullRepo    = "{$org}/{$repo}";
            $repoVars    = $this->listNames("repos/{$fullRepo}/actions/variables", 'variables');
            $repoSecrets = $this->listNames("repos/{$fullRepo}/actions/secrets", 'secrets');
            $result = ['repo' => $repo, 'envs' => [], 'missing' => []];

            foreach (self::ENVS as $env => $envConfig) {
                $missingVars = array_diff($envConfig['vars'], $repoVars);
                $hasAuth     = !empty(array_intersect($envConfig['secrets'], $repoSecrets));
                $hostVar     = "{$env}_FTP_HOST";
                $configured  = in_array($hostVar, $repoVars, true);
                $result['envs'][$env] = ['configured' => $configured, 'missing_vars' => array_values($missingVars), 'has_auth' => $hasAuth];
                if ($configured) {
                    foreach ($missingVars as $v) {
                        if ($v !== "{$env}_FTP_SUFFIX") {
                            $result['missing'][] = "{$env}: missing {$v}";
                            $issueCount++;
                        }
                    }
                    if (!$hasAuth) {
                        $result['missing'][] = "{$env}: no auth key/password";
                        $issueCount++;
                    }
                }
            }

            if (!$jsonOut) {
                $parts = [];
                foreach (self::ENVS as $env => $_) {
                    $e = $result['envs'][$env];
                    if ($e['configured'] && $e['has_auth'] && empty($e['missing_vars'])) {
                        $parts[] = "{$env}:OK";
                    } elseif ($e['configured']) {
                        $parts[] = "{$env}:INCOMPLETE";
                    } else {
                        $parts[] = "{$env}:--";
                    }
                }
                echo "{$repo}: " . implode(' | ', $parts) . (empty($result['missing']) ? '' : ' [' . implode('; ', $result['missing']) . ']') . "\n";
            }
            $results[] = $result;
        }

        if ($jsonOut) {
            echo json_encode($results, JSON_PRETTY_PRINT) . "\n";
        } else {
            echo "\n" . str_repeat('-', 50) . "\n";
            $total     = count($results);
            $devReady  = count(array_filter(
                $results,
                fn($r) => ($r['envs']['DEV']['configured'] ?? false)
                    && ($r['envs']['DEV']['has_auth'] ?? false)
            ));
            $demoReady = count(array_filter(
                $results,
                fn($r) => ($r['envs']['DEMO']['configured'] ?? false)
                    && ($r['envs']['DEMO']['has_auth'] ?? false)
            ));
            $rsReady   = count(array_filter(
                $results,
                fn($r) => ($r['envs']['RS']['configured'] ?? false)
                    && ($r['envs']['RS']['has_auth'] ?? false)
            ));
            echo "Total: {$total} | DEV: {$devReady} | DEMO: {$demoReady} | RS: {$rsReady} | Issues: {$issueCount}\n";
        }

        if ($createIssue && $issueCount > 0) {
            $now  = gmdate('Y-m-d H:i:s') . ' UTC';
            $rows = [];
            foreach ($results as $r) {
                foreach ($r['missing'] as $m) {
                    $rows[] = "| `{$r['repo']}` | {$m} |";
                }
            }
            $table = implode("\n", $rows);
            $body  = "## FTP Secret/Variable Audit\n\n"
                . "**Date:** {$now}\n"
                . "**Issues:** {$issueCount}\n\n"
                . "| Repository | Issue |\n|---|---|\n"
                . "{$table}\n\n---\n"
                . "*Auto-created by `rotate_secrets.php`*\n";
            $auditQuery = "repos/{$org}/moko-platform/issues"
                . "?labels=secret-audit&state=all"
                . "&per_page=1&sort=created&direction=desc";
            [$_, $existing] = $this->ghApi('GET', $auditQuery, null);
            $auditTitle = "audit: FTP secrets"
                . " -- {$issueCount} issues";
            if (!empty($existing[0]['number'])) {
                $num = $existing[0]['number'];
                $this->ghApi(
                    'PATCH',
                    "repos/{$org}/moko-platform/issues/{$num}",
                    [
                        'title' => $auditTitle,
                        'body' => $body,
                        'state' => 'open',
                        'assignees' => ['jmiller'],
                    ]
                );
                if (!$jsonOut) {
                    echo "Updated audit issue #{$num}\n";
                }
            } else {
                [$_, $issue] = $this->ghApi(
                    'POST',
                    "repos/{$org}/moko-platform/issues",
                    [
                        'title' => $auditTitle,
                        'body' => $body,
                        'labels' => ['secret-audit', 'type: chore', 'automation'],
                        'assignees' => ['jmiller'],
                    ]
                );
                if (!$jsonOut) {
                    echo "Created audit issue #{$issue['number']}\n";
                }
            }
        }
        return $issueCount > 0 ? 1 : 0;
    }

    private function ghApi(string $method, string $path, ?array $body): array
    {
        try {
            $result = match ($method) {
                'GET' => $this->api->get("/{$path}"), 'POST' => $this->api->post("/{$path}", $body ?? []),
                'PATCH' => $this->api->patch("/{$path}", $body ?? []), 'PUT' => $this->api->put("/{$path}", $body ?? []),
                'DELETE' => $this->api->delete("/{$path}"), default => throw new \RuntimeException("Unsupported method: {$method}"),
            };
            return [200, $result];
        } catch (\Exception $e) {
            return [500, ['message' => $e->getMessage()]];
        }
    }

    private function listNames(string $path, string $key): array
    {
        $names = [];
        $page = 1;
        do {
            [$status, $data] = $this->ghApi('GET', "{$path}?per_page=100&page={$page}", null);
            if ($status !== 200) {
                break;
            }
            $items = ($key === '') ? $data : ($data[$key] ?? []);
            foreach ($items as $item) {
                if (isset($item['name'])) {
                    $names[] = $item['name'];
                }
            }
            $page++;
        } while (count($items) === 100);
        return $names;
    }
}

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