<?php

namespace Paymenter\Extensions\Servers\Proxmox\Livewire;

use Carbon\Carbon;
use Illuminate\Http\Client\RequestException;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Paymenter\Extensions\Servers\Proxmox\Models\Server;
use Paymenter\Extensions\Servers\Proxmox\Proxmox;

class Firewall extends Component
{
    // Server & Core State
    public bool $firewallEnabled = false;
    public bool $loading = false;
    public string $error = '';
    public bool $showErrorModal = false;

    // Network Adapters
    public array $networkAdapters = [];
    public array $adapterFirewallStates = [];

    // Firewall Options (policies, filters)
    public string $policyIn = 'DROP';
    public string $policyOut = 'ACCEPT';
    public bool $ipFilter = true;
    public bool $macFilter = true;
    public bool $showPolicyInfoModal = false;

    // Rules Management
    public array $rules = [];
    public bool $showRuleForm = false;
    public ?int $editingRuleIndex = null;
    public string $ruleAction = 'ACCEPT';
    public string $ruleType = 'in';
    public string $ruleSource = '';
    public string $ruleDest = '';
    public string $ruleProto = '';
    public string $ruleDport = '';
    public string $ruleSport = '';
    public string $ruleComment = '';
    public bool $ruleEnable = true;
    public string $ruleMacro = '';
    public string $ruleIface = '';
    public string $ruleLog = 'nolog';
    public bool $showDeleteRuleModal = false;
    public ?int $deletingRuleIndex = null;

    // Available Proxmox Macros
    public array $availableMacros = [
        '' => 'None',
        'Amanda' => 'Amanda Backup',
        'Auth' => 'Auth (identd)',
        'BGP' => 'Border Gateway Protocol',
        'BitTorrent' => 'BitTorrent traffic',
        'BitTorrent32' => 'BitTorrent traffic (ports 32768:65535)',
        'Ceph' => 'Ceph Storage Cluster',
        'CVSup' => 'CVSup',
        'DHCPfwd' => 'Forwarded DHCP traffic',
        'DHCPv6fwd' => 'Forwarded DHCPv6 traffic',
        'DNS' => 'Domain Name System',
        'Distcc' => 'Distcc',
        'FTP' => 'File Transfer Protocol',
        'Git' => 'Git',
        'HKP' => 'OpenPGP HTTP Keyserver',
        'HTTP' => 'Hypertext Transfer Protocol',
        'HTTPS' => 'Hypertext Transfer Protocol (SSL)',
        'ICPV2' => 'Internet Cache Protocol V2',
        'IMAP' => 'Internet Message Access Protocol',
        'IMAPS' => 'Internet Message Access Protocol (SSL)',
        'IPsec' => 'IPsec',
        'IPsecah' => 'IPsec AH',
        'IPsecnat' => 'IPsec NAT-T',
        'IRC' => 'Internet Relay Chat',
        'Jetdirect' => 'HP Jetdirect',
        'L2TP' => 'Layer 2 Tunneling Protocol',
        'LDAP' => 'Lightweight Directory Access Protocol',
        'LDAPS' => 'Lightweight Directory Access Protocol (SSL)',
        'MSNP' => 'Microsoft Notification Protocol',
        'MSSQL' => 'Microsoft SQL Server',
        'Mail' => 'Mail traffic (SMTP, SMTPS, Submission)',
        'NFS' => 'Network File System',
        'NNTP' => 'NNTP',
        'NNTPS' => 'NNTPS',
        'NTP' => 'Network Time Protocol',
        'OSPF' => 'OSPF',
        'OpenVPN' => 'OpenVPN',
        'PCA' => 'Symantec PCAnywhere',
        'PMG' => 'Proxmox Mail Gateway',
        'POP3' => 'POP3',
        'POP3S' => 'POP3S',
        'PPtP' => 'Point-to-Point Tunneling Protocol',
        'Ping' => 'ICMP echo request',
        'PostgreSQL' => 'PostgreSQL',
        'Printer' => 'Line Printer Daemon',
        'RDP' => 'Microsoft Remote Desktop',
        'RIP' => 'Routing Information Protocol',
        'RNDC' => 'BIND remote management',
        'Razor' => 'Razor',
        'Rsyncd' => 'Rsync daemon',
        'SANE' => 'SANE network scanner',
        'SMB' => 'Microsoft SMB',
        'SMTP' => 'Simple Mail Transfer Protocol',
        'SMTPS' => 'Simple Mail Transfer Protocol (SSL)',
        'SNMP' => 'Simple Network Management Protocol',
        'SPAMD' => 'SpamAssassin daemon traffic',
        'SSH' => 'Secure Shell',
        'SVN' => 'Apache Subversion',
        'SixXS' => 'SixXS IPv6 Deployment',
        'SpiceProxy' => 'Proxmox VE SPICE Display Proxy',
        'Squid' => 'Squid web proxy',
        'Submission' => 'Mail message submission',
        'Syslog' => 'Syslog protocol',
        'TFTP' => 'Trivial File Transfer Protocol',
        'Telnet' => 'Telnet',
        'Telnets' => 'Telnet (SSL)',
        'Time' => 'RFC 868 Time',
        'Trcrt' => 'Traceroute',
        'VNC' => 'VNC traffic',
        'VNCL' => 'VNC Latin1',
        'Web' => 'WWW traffic (HTTP and HTTPS)',
        'Webcache' => 'Web Cache/Proxy',
        'Webmin' => 'Webmin',
        'Whois' => 'Whois'
    ];

    // IP Aliases
    public array $aliases = [];
    public bool $showAliasForm = false;
    public ?string $editingAliasName = null;
    public string $aliasName = '';
    public string $aliasCidr = '';
    public string $aliasComment = '';
    public bool $showDeleteAliasModal = false;
    public ?string $deletingAliasName = null;

    // IPSets
    public array $ipsets = [];
    public bool $showIPSetForm = false;
    public ?string $editingIPSetName = null;
    public string $ipsetName = '';
    public string $ipsetComment = '';
    public bool $showDeleteIPSetModal = false;
    public ?string $deletingIPSetName = null;
    
    // IPSet Members
    public array $ipsetMembers = [];
    public ?string $selectedIPSetName = null;
    public bool $showIPSetMemberForm = false;
    public string $memberCidr = '';
    public string $memberComment = '';
    public bool $memberNomatch = false;
    public bool $showDeleteIPSetMemberModal = false;
    public ?string $deletingMemberCidr = null;

    // Firewall Logs
    public array $firewallLogs = [];
    public int $logLimit = 1000;
    public string $logError = '';

    // Available IPs for rules
    public array $availableIps = [];

    public function mount(Server $server): void
    {
        parent::mount($server);
        $this->server->loadMissing('ipAddresses');
        
        $this->loadAvailableIps();
        $this->loadNetworkAdapters();
        $this->loadFirewallOptions();
        $this->loadFirewallRules();
        $this->loadAliases();
        $this->loadIPSets();
        $this->loadFirewallLogs();
    }

    // ==================== AVAILABLE IPS ====================
    
    protected function loadAvailableIps(): void
    {
        $allIps = collect();
        
        if ($this->server->primaryIpv4) {
            $allIps->push([
                'ip' => $this->server->primaryIpv4->ip,
                'type' => 'IPv4',
                'label' => 'Primary IPv4'
            ]);
        }
        
        if ($this->server->primaryIpv6) {
            $allIps->push([
                'ip' => $this->server->primaryIpv6->ip,
                'type' => 'IPv6',
                'label' => 'Primary IPv6'
            ]);
        }
        
        foreach ($this->server->ipAddresses as $ipAddress) {
            $allIps->push([
                'ip' => $ipAddress->ip,
                'type' => strtoupper($ipAddress->type),
                'label' => 'Additional'
            ]);
        }
        
        $this->availableIps = $allIps->unique('ip')->values()->toArray();
    }

    // ==================== FIREWALL API REQUEST ====================
    
    protected function firewallRequest(string $url, string $method = 'get', array $data = []): \Illuminate\Http\Client\Response
    {
        $baseUrl = 'https://pve.virtnet.bond';
        $user = 'root@pam';
        $tokenId = 'firewall';
        $secret = '0a439967-0a44-4b94-8906-c36b3a40cf68';
        
        $fullUrl = rtrim($baseUrl, '/') . '/api2/json' . $url;
        $authHeader = 'PVEAPIToken=' . $user . '!' . $tokenId . '=' . $secret;
        
        $acceptHeader = str_contains($url, '/firewall/log')
            ? 'application/json, text/plain, */*'
            : 'application/json';
        
        $request = Http::withHeaders([
            'Authorization' => $authHeader,
            'Accept' => $acceptHeader,
        ])->withoutVerifying();

        $response = match($method) {
            'post' => $request->post($fullUrl, $data),
            'put' => $request->put($fullUrl, $data),
            'delete' => $request->delete($fullUrl),
            default => $request->get($fullUrl, $data),
        };

        return $response;
    }

    // ==================== NETWORK ADAPTERS ====================
    
    protected function loadNetworkAdapters(): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config'
            );
            
            if ($response->successful()) {
                $config = $response->json()['data'] ?? [];
                $adapters = [];
                
                foreach ($config as $key => $value) {
                    if (preg_match('/^net(\d+)$/', $key, $matches)) {
                        $parts = explode(',', $value);
                        $model = explode('=', $parts[0])[0] ?? 'unknown';
                        $mac = null;
                        
                        foreach ($parts as $part) {
                            if (str_contains($part, '=')) {
                                [$k, $v] = explode('=', $part, 2);
                                if (trim($k) === 'firewall') {
                                    $this->adapterFirewallStates['net' . $matches[1]] = (int)$v === 1;
                                } elseif (trim($k) === 'macaddr') {
                                    $mac = $v;
                                }
                            }
                        }
                        
                        $adapters[] = [
                            'name' => 'net' . $matches[1],
                            'model' => $model,
                            'mac' => $mac,
                            'enabled' => $this->adapterFirewallStates['net' . $matches[1]] ?? false
                        ];
                    }
                }
                
                $this->networkAdapters = $adapters;
            }
        } catch (\Exception $e) {
            Log::error('Failed to load network adapters: ' . $e->getMessage());
        }
    }

    public function toggleAdapterFirewall(string $adapter): void
    {
        $this->loading = true;
        
        try {
            $currentState = $this->adapterFirewallStates[$adapter] ?? false;
            $newState = !$currentState;
            
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config',
                'put',
                [$adapter . '.firewall' => $newState ? 1 : 0]
            );
            
            if ($response->successful()) {
                $this->adapterFirewallStates[$adapter] = $newState;
                $this->notify('Adapter firewall ' . ($newState ? 'enabled' : 'disabled'), 'success');
            } else {
                $this->error = 'Failed to toggle adapter firewall';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to toggle adapter firewall: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    // ==================== FIREWALL OPTIONS ====================
    
    protected function loadFirewallOptions(): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/options'
            );
            
            if ($response->successful()) {
                $options = $response->json()['data'] ?? [];
                $this->firewallEnabled = ($options['enable'] ?? 0) == 1;
                $this->policyIn = strtoupper($options['policy_in'] ?? 'DROP');
                $this->policyOut = strtoupper($options['policy_out'] ?? 'ACCEPT');
                $this->ipFilter = ($options['ipfilter'] ?? 1) == 1;
                $this->macFilter = ($options['macfilter'] ?? 1) == 1;
            }
        } catch (\Exception $e) {
            Log::error('Failed to load firewall options: ' . $e->getMessage());
        }
    }

    public function toggleFirewall(): void
    {
        $this->loading = true;
        
        try {
            $newState = !$this->firewallEnabled;
            
            // Always force DHCP and NDP (router advertisements) to 0 for security
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/options',
                'put',
                [
                    'enable' => $newState ? 1 : 0,
                    'dhcp' => 0,  // Always disabled
                    'ndp' => 0,   // Always disabled (prevents router advertisements)
                ]
            );
            
            if ($response->successful()) {
                $this->firewallEnabled = $newState;
                $this->notify('Firewall ' . ($newState ? 'enabled' : 'disabled'), 'success');
            } else {
                $this->error = 'Failed to toggle firewall';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to toggle firewall: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function updatePolicies(): void
    {
        $this->loading = true;
        
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/options',
                'put',
                [
                    'policy_in' => $this->policyIn,
                    'policy_out' => $this->policyOut,
                    'ipfilter' => $this->ipFilter ? 1 : 0,
                    'macfilter' => $this->macFilter ? 1 : 0,
                    'dhcp' => 0,  // Always disabled
                    'ndp' => 0,   // Always disabled
                ]
            );
            
            if ($response->successful()) {
                $this->notify('Firewall policies updated successfully', 'success');
                $this->loadFirewallOptions();
            } else {
                $this->error = 'Failed to update firewall policies';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to update policies: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function openPolicyInfoModal(): void
    {
        $this->showPolicyInfoModal = true;
    }

    public function closePolicyInfoModal(): void
    {
        $this->showPolicyInfoModal = false;
    }

    // ==================== RULES ====================
    
    protected function loadFirewallRules(): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules'
            );
            
            if ($response->successful()) {
                $this->rules = $response->json()['data'] ?? [];
            }
        } catch (\Exception $e) {
            Log::error('Failed to load firewall rules: ' . $e->getMessage());
        }
    }

    public function startCreateRule(): void
    {
        $this->resetRuleForm();
        
        // Set default destination to first IP
        if (!empty($this->availableIps)) {
            $this->ruleDest = $this->availableIps[0]['ip'];
        }
        
        // Set default interface to first adapter
        if (!empty($this->networkAdapters)) {
            $this->ruleIface = $this->networkAdapters[0]['name'];
        }
        
        $this->editingRuleIndex = null;
        $this->showRuleForm = true;
    }

    public function startEditRule(int $index): void
    {
        if (!isset($this->rules[$index])) {
            $this->error = 'Rule not found';
            $this->showErrorModal = true;
            return;
        }

        $rule = $this->rules[$index];
        $this->editingRuleIndex = $index;
        $this->showRuleForm = true;

        $this->ruleAction = $rule['action'] ?? 'ACCEPT';
        $this->ruleType = $rule['type'] ?? 'in';
        $this->ruleSource = $rule['source'] ?? '';
        $this->ruleDest = $rule['dest'] ?? '';
        $this->ruleProto = $rule['proto'] ?? '';
        $this->ruleDport = $rule['dport'] ?? '';
        $this->ruleSport = $rule['sport'] ?? '';
        $this->ruleComment = $rule['comment'] ?? '';
        $this->ruleEnable = !isset($rule['enable']) || $rule['enable'] != 0;
        $this->ruleMacro = $rule['macro'] ?? '';
        $this->ruleIface = $rule['iface'] ?? '';
        $this->ruleLog = $rule['log'] ?? 'nolog';
    }

    public function saveRule(): void
    {
        $this->loading = true;
        
        try {
            $payload = [
                'action' => $this->ruleAction,
                'type' => $this->ruleType,
                'enable' => $this->ruleEnable ? 1 : 0,
            ];

            if (!empty(trim($this->ruleMacro))) {
                $payload['macro'] = trim($this->ruleMacro);
            }
            
            if (!empty(trim($this->ruleIface))) {
                $payload['iface'] = trim($this->ruleIface);
            }
            
            if (!empty(trim($this->ruleSource))) {
                $payload['source'] = trim($this->ruleSource);
            }
            
            if (!empty(trim($this->ruleDest))) {
                $payload['dest'] = trim($this->ruleDest);
            }
            
            if (!empty(trim($this->ruleProto))) {
                $payload['proto'] = trim($this->ruleProto);
            }
            
            if (!empty(trim($this->ruleDport))) {
                $payload['dport'] = trim($this->ruleDport);
            }
            
            if (!empty(trim($this->ruleSport))) {
                $payload['sport'] = trim($this->ruleSport);
            }
            
            if (!empty(trim($this->ruleComment))) {
                $payload['comment'] = trim($this->ruleComment);
            }
            
            if (!empty(trim($this->ruleLog)) && $this->ruleLog !== 'nolog') {
                $payload['log'] = $this->ruleLog;
            }

            if ($this->editingRuleIndex !== null && isset($this->rules[$this->editingRuleIndex])) {
                $pos = $this->rules[$this->editingRuleIndex]['pos'];
                $response = $this->firewallRequest(
                    '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules/' . $pos,
                    'put',
                    $payload
                );
            } else {
                $response = $this->firewallRequest(
                    '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules',
                    'post',
                    $payload
                );
            }

            if ($response->successful()) {
                $this->notify('Rule ' . ($this->editingRuleIndex !== null ? 'updated' : 'created') . ' successfully', 'success');
                $this->resetRuleForm();
                $this->editingRuleIndex = null;
                $this->showRuleForm = false;
                $this->loadFirewallRules();
            } else {
                $message = $response->json()['errors'][0]['message'] ?? 'Unknown error';
                $this->error = 'Failed to save rule: ' . $message;
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to save rule: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function toggleRule(int $index): void
    {
        try {
            if (!isset($this->rules[$index])) {
                return;
            }

            $rule = $this->rules[$index];
            $pos = $rule['pos'];
            $currentEnable = isset($rule['enable']) ? (int)$rule['enable'] : 1;
            $newEnable = $currentEnable == 0 ? 1 : 0;

            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules/' . $pos,
                'put',
                ['enable' => $newEnable]
            );

            if ($response->successful()) {
                $this->notify('Rule ' . ($newEnable == 1 ? 'enabled' : 'disabled'), 'success');
                $this->loadFirewallRules();
            } else {
                $this->error = 'Failed to toggle rule';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to toggle rule: ' . $e->getMessage();
            $this->showErrorModal = true;
        }
    }

    public function confirmDeleteRule(int $index): void
    {
        if (!isset($this->rules[$index])) {
            return;
        }

        $this->deletingRuleIndex = $index;
        $this->showDeleteRuleModal = true;
    }

    public function deleteRule(): void
    {
        if ($this->deletingRuleIndex === null || !isset($this->rules[$this->deletingRuleIndex])) {
            return;
        }

        $rule = $this->rules[$this->deletingRuleIndex];
        $pos = $rule['pos'];
        $this->loading = true;
        $this->showDeleteRuleModal = false;

        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules/' . $pos,
                'delete'
            );

            if ($response->successful()) {
                $this->notify('Rule deleted successfully', 'success');
                $this->loadFirewallRules();
            } else {
                $this->error = 'Failed to delete rule';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to delete rule: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
            $this->deletingRuleIndex = null;
        }
    }

    public function cancelDeleteRule(): void
    {
        $this->deletingRuleIndex = null;
        $this->showDeleteRuleModal = false;
    }

    public function reorderRules(int $fromPos, int $toPos): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/rules/' . $fromPos,
                'put',
                ['moveto' => $toPos]
            );

            if ($response->successful()) {
                $this->notify('Rules reordered successfully', 'success');
                $this->loadFirewallRules();
            } else {
                $this->error = 'Failed to reorder rules';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to reorder rules: ' . $e->getMessage();
            $this->showErrorModal = true;
        }
    }

    protected function resetRuleForm(): void
    {
        $this->ruleAction = 'ACCEPT';
        $this->ruleType = 'in';
        $this->ruleSource = '';
        $this->ruleDest = '';
        $this->ruleProto = '';
        $this->ruleDport = '';
        $this->ruleSport = '';
        $this->ruleComment = '';
        $this->ruleEnable = true;
        $this->ruleMacro = '';
        $this->ruleIface = '';
        $this->ruleLog = 'nolog';
    }

    public function cancelRuleForm(): void
    {
        $this->resetRuleForm();
        $this->editingRuleIndex = null;
        $this->showRuleForm = false;
    }

    // ==================== ALIASES ====================
    
    protected function loadAliases(): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/aliases'
            );
            
            if ($response->successful()) {
                $this->aliases = $response->json()['data'] ?? [];
            }
        } catch (\Exception $e) {
            Log::error('Failed to load aliases: ' . $e->getMessage());
        }
    }

    public function startCreateAlias(): void
    {
        $this->resetAliasForm();
        $this->editingAliasName = null;
        $this->showAliasForm = true;
    }

    public function startEditAlias(string $name): void
    {
        $alias = collect($this->aliases)->firstWhere('name', $name);
        
        if ($alias) {
            $this->editingAliasName = $name;
            $this->aliasName = $alias['name'];
            $this->aliasCidr = $alias['cidr'];
            $this->aliasComment = $alias['comment'] ?? '';
            $this->showAliasForm = true;
        }
    }

    public function saveAlias(): void
    {
        $this->validate([
            'aliasName' => 'required|string|max:64',
            'aliasCidr' => 'required|string',
        ]);

        $this->loading = true;

        try {
            $payload = [
                'name' => trim($this->aliasName),
                'cidr' => trim($this->aliasCidr),
            ];

            if (!empty(trim($this->aliasComment))) {
                $payload['comment'] = trim($this->aliasComment);
            }

            if ($this->editingAliasName) {
                $response = $this->firewallRequest(
                    '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/aliases/' . $this->editingAliasName,
                    'put',
                    $payload
                );
            } else {
                $response = $this->firewallRequest(
                    '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/aliases',
                    'post',
                    $payload
                );
            }

            if ($response->successful()) {
                $this->notify('Alias ' . ($this->editingAliasName ? 'updated' : 'created') . ' successfully', 'success');
                $this->resetAliasForm();
                $this->editingAliasName = null;
                $this->showAliasForm = false;
                $this->loadAliases();
            } else {
                $message = $response->json()['errors'][0]['message'] ?? 'Unknown error';
                $this->error = 'Failed to save alias: ' . $message;
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to save alias: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function confirmDeleteAlias(string $name): void
    {
        $this->deletingAliasName = $name;
        $this->showDeleteAliasModal = true;
    }

    public function deleteAlias(): void
    {
        if (!$this->deletingAliasName) {
            return;
        }

        $this->loading = true;
        $this->showDeleteAliasModal = false;

        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/aliases/' . $this->deletingAliasName,
                'delete'
            );

            if ($response->successful()) {
                $this->notify('Alias deleted successfully', 'success');
                $this->loadAliases();
            } else {
                $this->error = 'Failed to delete alias';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to delete alias: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
            $this->deletingAliasName = null;
        }
    }

    public function cancelDeleteAlias(): void
    {
        $this->deletingAliasName = null;
        $this->showDeleteAliasModal = false;
    }

    protected function resetAliasForm(): void
    {
        $this->aliasName = '';
        $this->aliasCidr = '';
        $this->aliasComment = '';
    }

    public function cancelAliasForm(): void
    {
        $this->resetAliasForm();
        $this->editingAliasName = null;
        $this->showAliasForm = false;
    }

    // ==================== IPSETS ====================
    
    protected function loadIPSets(): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset'
            );
            
            if ($response->successful()) {
                $this->ipsets = $response->json()['data'] ?? [];
            }
        } catch (\Exception $e) {
            Log::error('Failed to load IPSets: ' . $e->getMessage());
        }
    }

    public function startCreateIPSet(): void
    {
        $this->resetIPSetForm();
        $this->editingIPSetName = null;
        $this->showIPSetForm = true;
    }

    public function saveIPSet(): void
    {
        $this->validate([
            'ipsetName' => 'required|string|max:64',
        ]);

        $this->loading = true;

        try {
            $payload = [
                'name' => trim($this->ipsetName),
            ];

            if (!empty(trim($this->ipsetComment))) {
                $payload['comment'] = trim($this->ipsetComment);
            }

            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset',
                'post',
                $payload
            );

            if ($response->successful()) {
                $this->notify('IPSet created successfully', 'success');
                $this->resetIPSetForm();
                $this->showIPSetForm = false;
                $this->loadIPSets();
            } else {
                $message = $response->json()['errors'][0]['message'] ?? 'Unknown error';
                $this->error = 'Failed to create IPSet: ' . $message;
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to create IPSet: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function confirmDeleteIPSet(string $name): void
    {
        $this->deletingIPSetName = $name;
        $this->showDeleteIPSetModal = true;
    }

    public function deleteIPSet(): void
    {
        if (!$this->deletingIPSetName) {
            return;
        }

        $this->loading = true;
        $this->showDeleteIPSetModal = false;

        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset/' . $this->deletingIPSetName,
                'delete'
            );

            if ($response->successful()) {
                $this->notify('IPSet deleted successfully', 'success');
                $this->loadIPSets();
                
                // Clear selected IPSet if it was deleted
                if ($this->selectedIPSetName === $this->deletingIPSetName) {
                    $this->selectedIPSetName = null;
                    $this->ipsetMembers = [];
                }
            } else {
                $this->error = 'Failed to delete IPSet';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to delete IPSet: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
            $this->deletingIPSetName = null;
        }
    }

    public function cancelDeleteIPSet(): void
    {
        $this->deletingIPSetName = null;
        $this->showDeleteIPSetModal = false;
    }

    protected function resetIPSetForm(): void
    {
        $this->ipsetName = '';
        $this->ipsetComment = '';
    }

    public function cancelIPSetForm(): void
    {
        $this->resetIPSetForm();
        $this->editingIPSetName = null;
        $this->showIPSetForm = false;
    }

    // ==================== IPSET MEMBERS ====================
    
    public function selectIPSet(string $name): void
    {
        $this->selectedIPSetName = $name;
        $this->loadIPSetMembers($name);
    }

    protected function loadIPSetMembers(string $name): void
    {
        try {
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset/' . $name
            );
            
            if ($response->successful()) {
                $this->ipsetMembers = $response->json()['data'] ?? [];
            }
        } catch (\Exception $e) {
            Log::error('Failed to load IPSet members: ' . $e->getMessage());
        }
    }

    public function startAddIPSetMember(): void
    {
        $this->memberCidr = '';
        $this->memberComment = '';
        $this->memberNomatch = false;
        $this->showIPSetMemberForm = true;
    }

    public function saveIPSetMember(): void
    {
        if (!$this->selectedIPSetName) {
            return;
        }

        $this->validate([
            'memberCidr' => 'required|string',
        ]);

        $this->loading = true;

        try {
            $payload = [
                'cidr' => trim($this->memberCidr),
            ];

            if (!empty(trim($this->memberComment))) {
                $payload['comment'] = trim($this->memberComment);
            }

            if ($this->memberNomatch) {
                $payload['nomatch'] = 1;
            }

            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset/' . $this->selectedIPSetName,
                'post',
                $payload
            );

            if ($response->successful()) {
                $this->notify('IP/CIDR added to IPSet successfully', 'success');
                $this->memberCidr = '';
                $this->memberComment = '';
                $this->memberNomatch = false;
                $this->showIPSetMemberForm = false;
                $this->loadIPSetMembers($this->selectedIPSetName);
            } else {
                $message = $response->json()['errors'][0]['message'] ?? 'Unknown error';
                $this->error = 'Failed to add member: ' . $message;
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to add member: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
        }
    }

    public function confirmDeleteIPSetMember(string $cidr): void
    {
        $this->deletingMemberCidr = $cidr;
        $this->showDeleteIPSetMemberModal = true;
    }

    public function deleteIPSetMember(): void
    {
        if (!$this->selectedIPSetName || !$this->deletingMemberCidr) {
            return;
        }

        $this->loading = true;
        $this->showDeleteIPSetMemberModal = false;

        try {
            // URL encode the CIDR for the DELETE request
            $encodedCidr = urlencode($this->deletingMemberCidr);
            
            $response = $this->firewallRequest(
                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/ipset/' . $this->selectedIPSetName . '/' . $encodedCidr,
                'delete'
            );

            if ($response->successful()) {
                $this->notify('IP/CIDR removed from IPSet successfully', 'success');
                $this->loadIPSetMembers($this->selectedIPSetName);
            } else {
                $this->error = 'Failed to remove member';
                $this->showErrorModal = true;
            }
        } catch (\Exception $e) {
            $this->error = 'Failed to remove member: ' . $e->getMessage();
            $this->showErrorModal = true;
        } finally {
            $this->loading = false;
            $this->deletingMemberCidr = null;
        }
    }

    public function cancelDeleteIPSetMember(): void
    {
        $this->deletingMemberCidr = null;
        $this->showDeleteIPSetMemberModal = false;
    }

    public function cancelIPSetMemberForm(): void
    {
        $this->memberCidr = '';
        $this->memberComment = '';
        $this->memberNomatch = false;
        $this->showIPSetMemberForm = false;
    }

    // ==================== FIREWALL LOGS ====================
    
    public function loadFirewallLogs(): void
    {
        $this->logError = '';
        
        try {
            // Fetch logs in batches to handle large log sets
            $allRawLogs = [];
            $start = 0;
            $batchSize = 500;
            $maxLogs = $this->logLimit;
            
            do {
                $response = $this->firewallRequest(
                    '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/firewall/log',
                    'get',
                    [
                        'limit' => $batchSize,
                        'start' => $start
                    ]
                );

                if (!$response->successful()) {
                    $this->logError = 'Failed to fetch logs (HTTP ' . $response->status() . ')';
                    Log::warning('Firewall log API request failed', [
                        'status' => $response->status(),
                        'server_id' => $this->server->id,
                        'vm_id' => $this->server->vm_id,
                    ]);
                    $this->firewallLogs = [];
                    return;
                }

                // Proxmox firewall log endpoint can return JSON or text/plain
                $body = $response->body();
                $batchRawLogs = [];
                
                // Check content type
                $contentType = $response->header('Content-Type');
                $isJson = str_contains($contentType ?? '', 'json');
                
                if ($isJson) {
                    try {
                        $jsonData = $response->json();
                        
                        if (isset($jsonData['data'])) {
                            if (is_array($jsonData['data'])) {
                                foreach ($jsonData['data'] as $item) {
                                    if (is_array($item) && isset($item['t'])) {
                                        $batchRawLogs[] = $item['t'];
                                    } elseif (is_string($item)) {
                                        $batchRawLogs[] = $item;
                                    }
                                }
                            } elseif (is_string($jsonData['data'])) {
                                $lines = preg_split('/\r\n|\r|\n/', $jsonData['data']);
                                $batchRawLogs = array_filter($lines, fn($line) => !empty(trim($line)));
                            }
                        } elseif (is_array($jsonData)) {
                            foreach ($jsonData as $item) {
                                if (is_array($item) && isset($item['t'])) {
                                    $batchRawLogs[] = $item['t'];
                                } elseif (is_string($item)) {
                                    $batchRawLogs[] = $item;
                                }
                            }
                        }
                    } catch (\Exception $e) {
                        Log::warning('Failed to parse JSON response', ['error' => $e->getMessage()]);
                    }
                }
                
                // Fall back to text/plain format
                if (empty($batchRawLogs) && !empty($body)) {
                    $lines = preg_split('/\r\n|\r|\n/', $body);
                    $batchRawLogs = array_filter($lines, fn($line) => !empty(trim($line)));
                }
                
                $batchRawLogs = array_values($batchRawLogs);
                $allRawLogs = array_merge($allRawLogs, $batchRawLogs);
                $fetchedCount = count($batchRawLogs);
                $start += $batchSize;
                
                // Break if we got fewer logs than requested or reached limit
                if ($fetchedCount < $batchSize || count($allRawLogs) >= $maxLogs) {
                    break;
                }
            } while (true);
            
            // Limit to maxLogs
            if (count($allRawLogs) > $maxLogs) {
                $allRawLogs = array_slice($allRawLogs, 0, $maxLogs);
            }
            
            Log::info('Firewall logs fetched from Proxmox API', [
                'raw_count' => count($allRawLogs),
                'first_3_logs' => array_slice($allRawLogs, 0, 3)
            ]);
            
            $this->firewallLogs = $this->parseFirewallLogs($allRawLogs);
            
            Log::info('Firewall log parsing summary', [
                'total_raw_logs' => count($allRawLogs),
                'successfully_parsed' => count($this->firewallLogs),
            ]);
            
        } catch (\Exception $e) {
            $this->logError = 'Failed to load logs: ' . $e->getMessage();
            Log::error('Firewall logs error: ' . $e->getMessage());
            $this->firewallLogs = [];
        }
    }

    protected function parseFirewallLogs(array $rawLogs): array
    {
        $parsed = [];

        foreach ($rawLogs as $logEntry) {
            if (empty($logEntry) || !is_string($logEntry)) {
                continue;
            }

            $log = $this->parseLogLine($logEntry);
            if ($log) {
                $parsed[] = $log;
            }
        }

        return $parsed;
    }

    protected function parseLogLine(string $line): ?array
    {
        // Parse Proxmox firewall log format
        // Format: "vmid level chain timestamp action: KEY=VALUE ..."
        
        if (!preg_match('/^(\d+)\s+(\d+)\s+(\S+)\s+([^\s]+\s+[^\s]+)\s+(\w+):\s*(.*)$/', $line, $matches)) {
            return null;
        }

        $fields = [
            'raw' => $line,
            'vmid' => $matches[1],
            'level' => (int)$matches[2],
            'chain' => $matches[3],
            'timestamp' => $matches[4],
            'action' => $matches[5],
        ];

        // Parse key-value pairs
        $kvString = $matches[6];
        if (preg_match_all('/(\w+)=([^\s]+)/', $kvString, $kvMatches, PREG_SET_ORDER)) {
            foreach ($kvMatches as $match) {
                $key = strtolower($match[1]);
                $value = $match[2];
                $fields[$key] = $value;
            }
        }

        // Map fields to standardized names
        $parsed = [
            'raw' => $line,
            'timestamp' => $fields['timestamp'] ?? '-',
            'timestamp_iso' => $this->convertTimestamp($fields['timestamp'] ?? ''),
            'action' => $fields['action'] ?? '-',
            'level' => $fields['level'] ?? 0,
            'level_label' => $this->getLevelLabel($fields['level'] ?? 0),
            'level_badge_class' => $this->getLevelBadgeClass($fields['action'] ?? '-'),
            'chain' => $fields['chain'] ?? '-',
            'interface' => $fields['in'] ?? '-',
            'source' => $fields['src'] ?? '-',
            'destination' => $fields['dst'] ?? '-',
            'source_port' => $fields['spt'] ?? '-',
            'destination_port' => $fields['dpt'] ?? '-',
            'protocol' => $fields['proto'] ?? '-',
            'mac' => $fields['mac'] ?? '-',
        ];
        
        // Debug log first entry to verify parsing
        static $loggedOnce = false;
        if (!$loggedOnce && count($fields) > 5) {
            Log::info('Firewall log parse sample', [
                'parsed_fields' => $fields,
                'protocol_value' => $parsed['protocol'],
                'source_value' => $parsed['source'],
            ]);
            $loggedOnce = true;
        }
        
        return $parsed;
    }

    protected function convertTimestamp(string $timestamp): string
    {
        try {
            $dt = Carbon::createFromFormat('d/M/Y:H:i:s O', $timestamp);
            return $dt->toIso8601String();
        } catch (\Exception $e) {
            return $timestamp;
        }
    }

    protected function getLevelLabel(int $level): string
    {
        return match($level) {
            0 => 'Emergency',
            1 => 'Alert',
            2 => 'Critical',
            3 => 'Error',
            4 => 'Warning',
            5 => 'Notice',
            6 => 'Info',
            7 => 'Debug',
            default => 'Unknown',
        };
    }

    protected function getLevelBadgeClass(string $action): string
    {
        return match(strtoupper($action)) {
            'ACCEPT' => 'bg-success/20 text-success',
            'DROP' => 'bg-error/20 text-error',
            'REJECT' => 'bg-warning/20 text-warning',
            default => 'bg-base/20 text-base/60',
        };
    }

    // ==================== IP LOCATION ====================
    
    public function fetchIPLocation(string $ip): array
    {
        try {
            if (!filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) {
                return [
                    'status' => 'fail',
                    'message' => 'Invalid or private IP address'
                ];
            }

            $response = Http::timeout(5)->get("http://ip-api.com/json/{$ip}");

            if ($response->successful()) {
                $data = $response->json();
                
                if (isset($data['status']) && $data['status'] === 'success') {
                    return $data;
                }
                
                return [
                    'status' => 'fail',
                    'message' => $data['message'] ?? 'Unable to fetch location data'
                ];
            }

            return [
                'status' => 'fail',
                'message' => 'Failed to fetch location data (HTTP ' . $response->status() . ')'
            ];
        } catch (\Exception $e) {
            return [
                'status' => 'fail',
                'message' => 'Error: ' . $e->getMessage()
            ];
        }
    }

    // ==================== HELPER METHODS ====================
    
    public function checkIsPublicIP(string $ip): bool
    {
        if (empty($ip) || $ip === '—' || $ip === '-') {
            return false;
        }

        // Use PHP's filter_var with appropriate flags
        return filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false;
    }

    public function render()
    {
        return view('proxmox::firewall');
    }
}