﻿/*
 * Licensed 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.
 */

namespace DotPulsar.Internal;

using Abstractions;
using DotPulsar.Abstractions;
using DotPulsar.Exceptions;
using PulsarApi;
using System;
using System.Buffers;
using System.Threading;
using System.Threading.Tasks;

public sealed class NotReadyChannel<TMessage> : IConsumerChannel<TMessage>, IProducerChannel
{
    public ValueTask DisposeAsync()
        => new();

    public ValueTask ClosedByClient(CancellationToken cancellationToken)
        => new();

    public ValueTask<IMessage<TMessage>> Receive(CancellationToken cancellationToken = default)
        => throw GetException();

    public Task<CommandSendReceipt> Send(MessageMetadata metadata, ReadOnlySequence<byte> payload, CancellationToken cancellationToken)
        => throw GetException();

    public Task Send(CommandAck command, CancellationToken cancellationToken)
        => throw GetException();

    public Task Send(CommandRedeliverUnacknowledgedMessages command, CancellationToken cancellationToken)
        => throw GetException();

    public Task Send(CommandUnsubscribe command, CancellationToken cancellationToken)
        => throw GetException();

    public Task Send(CommandSeek command, CancellationToken cancellationToken)
        => throw GetException();

    public Task<MessageId> Send(CommandGetLastMessageId command, CancellationToken cancellationToken)
        => throw GetException();

    private static Exception GetException()
        => new ChannelNotReadyException();
}