<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ChatConversation extends Model
{
    use HasFactory;

    public const STATUS_OPEN = 'open';
    public const STATUS_CLOSED = 'closed';

    protected $fillable = [
        'user_id',
        'visitor_token',
        'status',
        'last_message_at',
    ];

    protected function casts(): array
    {
        return [
            'last_message_at' => 'datetime',
        ];
    }

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

    public function messages()
    {
        return $this->hasMany(ChatMessage::class);
    }

    public function latestMessage()
    {
        return $this->hasOne(ChatMessage::class)->latestOfMany();
    }

    public function getDisplayNameAttribute(): string
    {
        if ($this->user?->name) {
            return $this->user->name;
        }

        return __('Гость #:number', ['number' => $this->id]);
    }

    public function isClosed(): bool
    {
        return $this->status === self::STATUS_CLOSED;
    }
}