<?php
// Run from the production application root. All credential output is private.
require getcwd() . '/vendor/autoload.php';
$app = require getcwd() . '/bootstrap/app.php';
$app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();

use App\Models\Server;
use App\Models\ServerGroup;
use App\Models\ServerMachine;
use App\Models\User;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

$opts = getopt('', ['key:', 'name:', 'relay-host:', 'relay-port:', 'listen-port:', 'tls-domain:', 'backup:']);
foreach (['key', 'name', 'relay-host', 'relay-port', 'listen-port', 'tls-domain', 'backup'] as $key) {
    if (empty($opts[$key])) throw new RuntimeException("Missing --$key");
}
if (!preg_match('/^[a-z0-9-]+$/', $opts['key'])) throw new RuntimeException('Invalid key');
foreach (['relay-port', 'listen-port'] as $key) {
    if (!ctype_digit((string)$opts[$key]) || $opts[$key] < 1024 || $opts[$key] > 65535) throw new RuntimeException('Invalid port');
}
$dir = rtrim($opts['backup'], '/');
umask(0077);
if (!is_dir($dir) && !mkdir($dir, 0700, true)) throw new RuntimeException('Backup creation failed');
if (is_file("$dir/manifest.json")) {
    $manifest = json_decode(file_get_contents("$dir/manifest.json"), true, flags: JSON_THROW_ON_ERROR);
    if ($manifest['key'] !== $opts['key']) throw new RuntimeException('Backup belongs to another node');
    echo json_encode(['already_staged' => true, 'node_id' => $manifest['node_id']]) . PHP_EOL;
    exit;
}
if (ServerMachine::where('name', 'dpl-' . $opts['key'])->exists() || Server::where('name', $opts['name'])->exists()) {
    throw new RuntimeException('Existing resources found without this backup manifest');
}
file_put_contents("$dir/before.json", json_encode([
    'servers' => DB::table('v2_server')->get(),
    'groups' => DB::table('v2_server_group')->get(),
    'machines' => DB::table('v2_server_machine')->get(),
], JSON_THROW_ON_ERROR));

$manifest = DB::transaction(function () use ($opts) {
    $group = new ServerGroup();
    $group->name = 'dpl 接入验收 ' . $opts['key'];
    $group->save();
    $machine = ServerMachine::create([
        'name' => 'dpl-' . $opts['key'], 'notes' => 'Independent AnyTLS service; existing XrayR preserved',
        'is_active' => true, 'token' => ServerMachine::generateToken(),
    ]);
    $node = Server::create([
        'name' => $opts['name'], 'type' => 'anytls', 'host' => $opts['relay-host'],
        'port' => (string)$opts['relay-port'], 'server_port' => (string)$opts['listen-port'],
        'group_ids' => [(string)$group->id], 'route_ids' => [], 'tags' => [],
        'rate' => 1, 'show' => true, 'enabled' => true, 'machine_id' => $machine->id, 'sort' => 1,
        'protocol_settings' => ['tls' => ['server_name' => $opts['tls-domain'], 'allow_insecure' => false]],
        'cert_config' => [
            'cert_mode' => 'file', 'domain' => $opts['tls-domain'],
            'cert_file' => '/etc/letsencrypt/live/' . $opts['tls-domain'] . '/fullchain.pem',
            'key_file' => '/etc/letsencrypt/live/' . $opts['tls-domain'] . '/privkey.pem',
        ],
    ]);
    $user = new User([
        'email' => 'node-qa-' . $opts['key'] . '-' . Str::lower(Str::random(8)) . '@example.invalid',
        'password' => password_hash(Str::random(40), PASSWORD_BCRYPT),
        'uuid' => (string)Str::uuid(), 'token' => Str::random(32),
        'group_id' => $group->id, 'transfer_enable' => 104857600,
        'expired_at' => time() + 86400, 'banned' => 0, 'is_admin' => 0,
        'remind_expire' => 0, 'remind_traffic' => 0, 'device_limit' => 2,
    ]);
    $user->saveQuietly();
    return ['key' => $opts['key'], 'node_id' => $node->id, 'machine_id' => $machine->id,
        'group_id' => $group->id, 'test_user_id' => $user->id];
});
file_put_contents("$dir/manifest.json", json_encode($manifest, JSON_THROW_ON_ERROR));
$machine = ServerMachine::findOrFail($manifest['machine_id']);
$user = User::findOrFail($manifest['test_user_id']);
$config = "panel:\n  url: \"https://dp-link.net\"\nmachine:\n  machine_id: {$machine->id}\n  token_env: DPL_MACHINE_TOKEN\nkernel:\n  type: singbox\n  config_dir: /var/lib/dpl-node/kernel\nlog:\n  level: info\nruntime:\n  gomemlimit: 384MiB\n  gogc: 75\nnode:\n  push_interval: 30\n  pull_interval: 30\n";
file_put_contents("$dir/node-config.yml", $config);
file_put_contents("$dir/node-secret.env", 'DPL_MACHINE_TOKEN=' . $machine->token . "\n");
file_put_contents("$dir/qa-private.json", json_encode([
    'user_id' => $user->id, 'uuid' => $user->uuid, 'subscribe_token' => $user->token,
    'host' => $opts['relay-host'], 'port' => (int)$opts['relay-port'], 'sni' => $opts['tls-domain'],
], JSON_THROW_ON_ERROR));
echo json_encode($manifest, JSON_UNESCAPED_UNICODE) . PHP_EOL;