<?php

namespace App\Models;

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

class ChatMessage extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'message',
        'reply_to_id',
        'is_deleted',
        'deleted_by',
    ];

    /**
     * Cast attributes.
     * Encrypt chat messages at rest.
     */
    protected $casts = [
        'message' => 'encrypted',
    ];

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

    public function replyTo(): BelongsTo
    {
        return $this->belongsTo(self::class, 'reply_to_id');
    }

    public function replies(): HasMany
    {
        return $this->hasMany(self::class, 'reply_to_id');
    }

    public function reactions(): HasMany
    {
        return $this->hasMany(ChatMessageReaction::class, 'message_id');
    }

    public function deletedByUser(): BelongsTo
    {
        return $this->belongsTo(User::class, 'deleted_by');
    }
}