<?php

namespace Modules\Platform\app\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Str;

class LicenseKey extends Model
{
    protected $fillable = [
        'company_id', 'key_hash', 'key_prefix', 'label', 'plan', 'max_users',
        'is_active', 'starts_at', 'expires_at', 'last_used_at', 'revoked_at',
    ];

    protected $casts = [
        'is_active' => 'boolean',
        'starts_at' => 'datetime',
        'expires_at' => 'datetime',
        'last_used_at' => 'datetime',
        'revoked_at' => 'datetime',
    ];

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

    public static function issueFor(Company $company, string $label, string $plan = 'standard', int $maxUsers = 10): string
    {
        $plainKey = 'WMS-'.Str::upper(Str::random(32));

        self::create([
            'company_id' => $company->id,
            'key_hash' => hash('sha256', $plainKey),
            'key_prefix' => Str::substr($plainKey, 0, 12),
            'label' => $label,
            'plan' => $plan,
            'max_users' => $maxUsers,
            'is_active' => true,
            'starts_at' => now(),
            'expires_at' => now()->addYear(),
        ]);

        return $plainKey;
    }
}