<?php

namespace App\Models\Fox;

use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;

class FoxMemoryNode extends Model
{
    use HasUuids;

    protected $table = 'fox_memory_nodes';

    protected $fillable = [
        'type',
        'title',
        'content',
        'meta',
        'confidence',
        'weight',
        'last_used_at',
    ];

    protected $casts = [
        'meta'         => 'array',
        'confidence'   => 'float',
        'weight'       => 'integer',
        'last_used_at' => 'datetime',
    ];

    public function outgoingEdges(): HasMany
    {
        return $this->hasMany(FoxMemoryEdge::class, 'source_node_id');
    }

    public function incomingEdges(): HasMany
    {
        return $this->hasMany(FoxMemoryEdge::class, 'target_node_id');
    }

    public function touchUsed(): void
    {
        $this->update(['last_used_at' => now(), 'weight' => $this->weight + 1]);
    }
}