<?php

namespace app\model;

use app\service\PermissionCatalog;
use think\Model;

class Role extends Model
{
    protected $name = 'roles';
    protected $autoWriteTimestamp = true;
    protected $createTime = 'created_at';
    protected $updateTime = 'updated_at';

    public static function defaultPermissions(): array
    {
        return PermissionCatalog::emptyPermissions();
    }

    public function getPermissionsAttr($value): array
    {
        return PermissionCatalog::normalize(self::toPermArray($value));
    }

    public function setPermissionsAttr($value): string
    {
        return json_encode(
            PermissionCatalog::normalize(self::toPermArray($value)),
            JSON_UNESCAPED_UNICODE
        );
    }

    /**
     * ThinkPHP 8 会把 JSON 列转成 \think\model\type\Json，需调用 value() 取出数组。
     */
    private static function toPermArray(mixed $value): array
    {
        if ($value === null || $value === '') {
            return [];
        }

        if (is_array($value)) {
            return $value;
        }

        if (is_object($value) && method_exists($value, 'value')) {
            $data = $value->value();
            return is_array($data) ? $data : [];
        }

        if (is_string($value)) {
            $decoded = json_decode($value, true);
            return (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) ? $decoded : [];
        }

        return [];
    }
}