<?php

namespace App\Models;

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

class Chat extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'to_user_id',
        'is_removed',
        'is_fixed',
        'last_message_date',
        'last_message_id',
        'fixed_time'
    ];

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

    public function worker() {
        return $this->belongsTo(Worker::class, 'to_user_id', 'user_id');
    }

    public function employer() {
        return $this->belongsTo(Employer::class, 'to_user_id', 'user_id');
    }

    public function last_message() {
        return $this->belongsTo(Message::class, 'last_message_id');
    }

    public function unread_messages()
    {
        return $this->hasMany(Message::class, 'user_id', 'to_user_id');
    }

}