<?php

namespace App\Models;

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

class AppNotification extends Model
{
    use SoftDeletes;

    protected $table = 'app_notifications';

    protected $fillable = [
        'title',
        'body',
        'severity',
        'is_active',
        'created_by',
        'is_system',
        'audience_type',
        'segment_keys',
        'audience_label',
        'recipients_count',
    ];

    protected $casts = [
        'is_active' => 'boolean',
        'is_system' => 'boolean',
        'segment_keys' => 'array',
        'recipients_count' => 'integer',
    ];

    /** اعلان تراکنشی خودکار (نه ارسال دستی ادمین) */
    public function scopeSystem($query)
    {
        return $query->where('is_system', true);
    }

    public function scopeAdminCreated($query)
    {
        return $query->where('is_system', false);
    }

    public function reads(): HasMany
    {
        return $this->hasMany(AppNotificationRead::class, 'notification_id');
    }

    public function recipients(): HasMany
    {
        return $this->hasMany(AppNotificationRecipient::class, 'notification_id');
    }

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