<?php

namespace App\Models;

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

class ChatContact extends Model
{
    protected $table = 'chat_contacts';

    protected $fillable = [
        'canal', 'canal_id', 'nombre', 'telefono', 'metadata', 'user_id',
    ];

    protected $casts = ['metadata' => 'array'];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function conversations(): HasMany
    {
        return $this->hasMany(ChatConversation::class, 'contact_id');
    }

    public function activeConversation(): ?ChatConversation
    {
        return $this->conversations()
            ->whereIn('estado', ['bot', 'agente'])
            ->latest()
            ->first();
    }
}