<?php

namespace Darksparrow\DeegraphInteractions\QueryBuilder\QueryBuilders;

use Darksparrow\DeegraphInteractions\Attributes\QueryBuilderQuery;
use Darksparrow\DeegraphInteractions\Attributes\QueryBuilderRequiredField;
use Darksparrow\DeegraphInteractions\Enumerators\DeegraphEqualityOperator;
use Darksparrow\DeegraphInteractions\Enumerators\DeegraphPermissionType;
use Darksparrow\DeegraphInteractions\Exceptions\QueryBuilderRequiredFieldIsNotSetException;
use Darksparrow\DeegraphInteractions\Interfaces\QueryBuilderInterface;
use Darksparrow\DeegraphInteractions\QueryInstance\GrantQuery;

#[QueryBuilderQuery]
final class GrantQueryBuilder implements QueryBuilderInterface
{
    #[QueryBuilderRequiredField]
    protected array $PermissionTypes;

    protected string $GrantOn = "";
    protected string $GrantWhere = "";
    protected bool $GrantDelegatable = false;


    /**
     * @throws QueryBuilderRequiredFieldIsNotSetException
     */
    public function Build(): GrantQuery
    {
        $builder = "GRANT ";
        if(sizeof($this->PermissionTypes)) $builder .= implode(separator: ",", array: $this->PermissionTypes);
        if($this->GrantOn != "") $builder .= " ON $this->GrantOn";
        if($this->GrantWhere != "") $builder .= " WHERE $this->GrantWhere";

        return new GrantQuery(queryString: $builder);
    }

    public function Permissions(array $permissionTypes): GrantQueryBuilder
    {
        $this->PermissionTypes = [];
        foreach($permissionTypes as $permissionType)
            $this->PermissionTypes[] = $permissionType->value;
        return $this;
    }

    public function GrantAll(): GrantQueryBuilder
    {
        $this->PermissionTypes = [
            DeegraphPermissionType::WRITE->value,
            DeegraphPermissionType::READ->value,
            DeegraphPermissionType::DELETE->value,
            DeegraphPermissionType::ACT->value,
        ];
        return $this;
    }

    public function On(string $target): GrantQueryBuilder
    {
        $this->GrantOn = $target;
        return $this;
    }

    public function Where(string $target, DeegraphEqualityOperator $operator, string $value): GrantQueryBuilder
    {
        $this->GrantWhere = "$target $operator->value $value";
        return $this;
    }
}