<?php

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 * @package thrift.protocol
 */

declare(strict_types=1);

namespace Thrift\Protocol\JSON;

use Thrift\Protocol\TJSONProtocol;

class PairContext extends BaseContext
{
    private bool $first = true;
    private bool $colon = true;

    public function __construct(private TJSONProtocol $protocol)
    {
    }

    public function write(): void
    {
        if ($this->first) {
            $this->first = false;
            $this->colon = true;
        } else {
            $this->protocol->getTransport()->write($this->colon ? TJSONProtocol::COLON : TJSONProtocol::COMMA);
            $this->colon = !$this->colon;
        }
    }

    public function read(): void
    {
        if ($this->first) {
            $this->first = false;
            $this->colon = true;
        } else {
            $this->protocol->readJSONSyntaxChar($this->colon ? TJSONProtocol::COLON : TJSONProtocol::COMMA);
            $this->colon = !$this->colon;
        }
    }

    public function escapeNum(): bool
    {
        return $this->colon;
    }
}
