<?php

namespace App\Models;

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

class ExportToken extends Model
{
    use HasFactory;

    protected $fillable = [
        'user_id',
        'token',
        'is_premium',
        'credits_reserved',
        'expires_at',
        'used_at',
    ];

    protected $casts = [
        'is_premium' => 'boolean',
        'expires_at' => 'datetime',
        'used_at' => 'datetime',
    ];

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

    public function isAnonymous(): bool
    {
        return is_null($this->user_id);
    }

    public function isExpired(): bool
    {
        return $this->expires_at->isPast();
    }

    public function isUsed(): bool
    {
        return ! is_null($this->used_at);
    }

    public function isValid(): bool
    {
        return ! $this->isExpired() && ! $this->isUsed();
    }

    public function markAsUsed(): void
    {
        $this->update(['used_at' => now()]);
    }

    public function scopeExpiredAndUnused($query)
    {
        return $query->where('expires_at', '<', now())
            ->whereNull('used_at');
    }

    public function scopeForUser($query, $userId)
    {
        return $query->where('user_id', $userId);
    }
}