<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasManyThrough;

class NetworkSegment extends Model
{
    protected $fillable = [
        'name', 'subnet', 'vlan_id', 'active', 'description', 'created_by',
    ];

    protected $casts = [
        'active'   => 'boolean',
        'vlan_id'  => 'integer',
    ];

    public function createdBy(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function scans(): HasMany
    {
        return $this->hasMany(NetworkScan::class, 'segment_id');
    }

    public function latestScan(): HasMany
    {
        return $this->hasMany(NetworkScan::class, 'segment_id')->latestOfMany();
    }

    /** Alle Hosts dieses Segments (über Scans) */
    public function hosts(): HasManyThrough
    {
        return $this->hasManyThrough(NetworkHost::class, NetworkScan::class, 'segment_id', 'scan_id');
    }

    /** Anzahl online-Hosts im letzten Scan */
    public function getOnlineCountAttribute(): int
    {
        return $this->scans()->latest()->first()?->online_hosts ?? 0;
    }

    /** Anzahl Geräte gesamt im letzten Scan */
    public function getTotalCountAttribute(): int
    {
        return $this->scans()->latest()->first()?->total_hosts ?? 0;
    }

    /** Letzter Scan-Zeitpunkt */
    public function getLastScannedAtAttribute(): ?string
    {
        return $this->scans()->latest()->first()?->created_at?->format('d.m.Y H:i');
    }
}