<?php

namespace Paymenter\Extensions\Servers\Proxmox\Livewire\Backups;

use Livewire\Attributes\Locked;
use Paymenter\Extensions\Servers\Proxmox\Livewire\Component;
use Paymenter\Extensions\Servers\Proxmox\Models\Server;
use Paymenter\Extensions\Servers\Proxmox\Proxmox;

class Index extends Component
{
    #[Locked]
    public $backups = [];

    public $showRestore = false;

    public $confirmRestore = false;

    public bool $showDelete = false;

    public bool $confirmDelete = false;

    public $volid;

    public function promptRestore(string $volid): void
    {
        $this->volid = $volid;
        $this->confirmRestore = false;
        $this->showRestore = true;
    }

    public function mount(Server $server): void
    {
        parent::mount($server);

        $settings = $this->server->service->product->settings()->where('key', 'backups')->first();
        if ($settings?->value <= 0) {
            $this->redirect(route('proxmox.server.overview', $this->server->id), true);

            return;
        }

        // Check if backup_location is configured
        if (empty($this->server->node->backup_location)) {
            $this->backups = [];
            return;
        }

        $this->loadBackups();
    }

    #[\Livewire\Attributes\On('backup-started')]
    public function handleBackupStarted(): void
    {
        $this->loadBackups();
    }

    public function loadBackups(): void
    {
        if (empty($this->server->node->backup_location)) {
            $this->backups = [];
            return;
        }

        try {
            $proxmox = new Proxmox;
            $response = $proxmox->request('/nodes/' . $this->server->node->name . '/storage/' . $this->server->node->backup_location . '/content', data: [
                'content' => 'backup',
                'vmid' => $this->server->vm_id,
            ]);
            
            $this->backups = $response->json()['data'] ?? [];
        } catch (\Exception $e) {
            $this->backups = [];
            // Log the error for debugging
            \Illuminate\Support\Facades\Log::error('Failed to fetch backups: ' . $e->getMessage());
        }
    }

    public function restoreBackup()
    {
        $this->validate([
            'volid' => 'required',
        ]);

        if (!$this->confirmRestore) {
            $this->notify('Please confirm the restore action', 'error');

            return;
        }

        // Check if backup exists
        $backup = collect($this->backups)->firstWhere('volid', $this->volid);
        if (!$backup) {
            $this->notify('Backup not found', 'error');

            return;
        }

        $proxmox = new Proxmox;

        // Stop the VM before restoring — Proxmox requires it
        try {
            $stopStatus = $proxmox->requestAndWait('/nodes/' . $this->server->node->name . '/' . $this->server->node->vmType() . '/' . $this->server->vm_id . '/status/stop', 'post', [
                'vmid' => $this->server->vm_id,
            ], $this->server->node->name);
            if ($stopStatus !== 'stopped' && $stopStatus !== 'OK') {
                $this->notify('Failed to stop VM before restore. Please try again.', 'error');

                return;
            }
        } catch (\Exception $e) {
            $msg = strtolower($e->getMessage());
            // If VM is already stopped, continue with restore; otherwise abort
            if (!str_contains($msg, 'not running')
                && !str_contains($msg, 'already stopped')
                && !str_contains($msg, 'is not running')) {
                report($e);
                $this->notify('Failed to stop VM before restore. Please try again.', 'error');
                return;
            }
        }

        try {
            $restoreStatus = $proxmox->requestAndWait('/nodes/' . $this->server->node->name . '/' . $this->server->node->vmType(), 'post', data: [
                'vmid' => $this->server->vm_id,
                'force' => true,
                'archive' => $this->volid,
            ], node: $this->server->node->name);

            if ($restoreStatus !== 'stopped' && $restoreStatus !== 'OK') {
                $this->notify('Backup restore task failed to complete successfully.', 'error');

                return;
            }
        } catch (\Throwable $e) {
            report($e);
            $this->notify('Backup restore failed. Please try again in a moment.', 'error');
            return;
        }

        $this->notify('Backup restoration in progress', 'success');

        $this->showRestore = false;

        // Redirect to the server overview page
        $this->redirect(route('proxmox.server.overview', $this->server->id), true);
    }

    public function promptDelete(string $volid): void
    {
        $this->volid = $volid;
        $this->confirmDelete = false;
        $this->showDelete = true;
    }

    public function deleteBackup(?string $volid = null)
    {
        $volid = $volid ?? $this->volid;

        if (!$volid) {
            $this->notify('Select a backup to delete.', 'error');

            return;
        }

        if (!$this->confirmDelete) {
            $this->notify('Please confirm the delete action', 'error');

            return;
        }

        // Check if backup exists
        $backup = collect($this->backups)->firstWhere('volid', $volid);
        if (!$backup) {
            $this->notify('Backup not found', 'error');

            return;
        }

        $proxmox = new Proxmox;

        try {
            $response = $proxmox->request('/nodes/' . $this->server->node->name . '/storage/' . $this->server->node->backup_location . '/content/' . $volid, 'delete');

            $this->notify('Backup deleted successfully', 'success');
            $this->loadBackups();
            $this->showDelete = false;
            $this->confirmDelete = false;
            $this->volid = null;
        } catch (\Illuminate\Http\Client\RequestException $e) {
            $errors = $e->response?->json()['errors'] ?? null;
            $message = is_array($errors) ? implode(', ', array_values($errors)) : 'Unknown error';
            $this->notify('Failed to delete backup: ' . $message, 'error');
        }
    }

    public function render()
    {
        return view('proxmox::backups')->layoutData([
            'sidebar' => true,
        ]);
    }
}