<?php

declare(strict_types=1);

namespace App\Jobs\VirtualMachine\Rebuild;

use App\Services\VirtualMachine\Rebuild\VmRebuildIpService;
use App\Services\VirtualMachine\Rebuild\VmRebuildService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Log;
use Throwable;

/**
 * RebuildAssignIpJob
 *
 * Reuses the existing service IP on the new VM (no allocation, no pool
 * mutation, no ownership change). Idempotent: re-running it simply runs the
 * assign + verify scripts again with the same parameters.
 */
final class RebuildAssignIpJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    public int $tries   = 3;
    public int $timeout = 600;
    public int $backoff = 30;

    public function __construct(
        public readonly int $moduleVmwareId,
        public readonly int $newOsId,
        public readonly string $newVmId,
        public readonly int $reinstallLogId,
    ) {
    }

    public function handle(
        VmRebuildService $rebuildService,
        VmRebuildIpService $ipService,
    ): void {
        Log::info('RebuildAssignIpJob: start', [
            'module_vmware_id' => $this->moduleVmwareId,
            'new_vm_id'        => $this->newVmId,
            'attempt'          => $this->attempts(),
        ]);

        $ctx = $rebuildService
            ->buildContext($this->moduleVmwareId, $this->newOsId, $this->newVmId);

        try {
            $ipService->assignAndVerify($ctx);
        } catch (Throwable $e) {
            // Surface the actual PS1 output into the reinstall log so admin
            // can see WHY it failed without diving into laravel.log.
            \App\Models\ReinstallLog::where('id', $this->reinstallLogId)->update([
                'error_message' => 'AssignIp attempt ' . $this->attempts() . ': ' . $e->getMessage(),
                'updated_at'    => now(),
            ]);
            throw $e;
        }

        RebuildChangePasswordJob::dispatch(
            $this->moduleVmwareId,
            $this->newOsId,
            $this->newVmId,
            $this->reinstallLogId,
        )->onQueue('default');

        Log::info('RebuildAssignIpJob: completed, password job dispatched', [
            'module_vmware_id' => $this->moduleVmwareId,
            'new_vm_id'        => $this->newVmId,
        ]);
    }

    public function failed(Throwable $e): void
    {
        Log::error('RebuildAssignIpJob: all retries exhausted — old VM preserved', [
            'module_vmware_id' => $this->moduleVmwareId,
            'new_vm_id'        => $this->newVmId,
            'error'            => $e->getMessage(),
        ]);

        \App\Models\ReinstallLog::where('id', $this->reinstallLogId)->update([
            'status'        => \App\Models\ReinstallLog::STATUS_FAILED,
            'error_message' => 'AssignIp failed: ' . $e->getMessage(),
            'updated_at'    => now(),
        ]);
    }
}