<?php

namespace App\Models;

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

class DirectThread extends Model
{
    protected $table = 'dm_threads';
    protected $primaryKey = 'thread_id';
    public $incrementing = false;
    protected $keyType = 'string';
    public $timestamps = false;

    protected $fillable = [
        'thread_id', 'thread_key', 'thread_title', 'is_group',
        'participants', 'last_activity_at', 'muted',
    ];

    protected $casts = [
        'participants' => 'array',
        'is_group' => 'boolean',
        'muted' => 'boolean',
        'last_activity_at' => 'integer',
        'scraped_at' => 'datetime',
    ];

    public function messages(): HasMany
    {
        return $this->hasMany(DirectMessage::class, 'thread_id', 'thread_id');
    }

    public function getLastActivityAtDateAttribute(): ?\Carbon\Carbon
    {
        return $this->last_activity_at
            ? \Carbon\Carbon::createFromTimestampMs($this->last_activity_at)
            : null;
    }
}