<?php

namespace App\Models;

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

class UserRestriction extends Model
{
    use HasFactory, SoftDeletes;

    protected $fillable = [
        'user_id',
        'type',
        'reason',
        'notes',
        'imposed_by',
        'starts_at',
        'ends_at',
        'active',
        'source',
        'metadata',
    ];

    protected $casts = [
        'starts_at' => 'datetime',
        'ends_at' => 'datetime',
        'active' => 'boolean',
        'metadata' => 'array',
    ];

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

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

    /**
     * Scope a query to only include currently-active restrictions.
     * Active means:
     * - active flag is true AND
     * - (starts_at is null OR starts_at <= now) AND
     * - (ends_at is null OR ends_at > now)
     */
    public function scopeActive($query)
    {
        $now = now();
        return $query->where('active', true)
            ->where(function ($q) use ($now) {
                $q->whereNull('starts_at')->orWhere('starts_at', '<=', $now);
            })
            ->where(function ($q) use ($now) {
                $q->whereNull('ends_at')->orWhere('ends_at', '>', $now);
            });
    }
}