// This source code is dual-licensed under the Mozilla Public License ("MPL"),
// version 1.1 and the Apache License ("ASL"), version 2.0.
//
// The ASL v2.0:
//
// ---------------------------------------------------------------------------
// Copyright 2016 Pivotal Software, Inc.
//
// 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
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// 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.
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//
// The MPL v1.1:
//
// ---------------------------------------------------------------------------
// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// https://www.mozilla.org/MPL/
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// Software distributed under the License is distributed on an "AS IS"
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// The Original Code is RabbitMQ
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#import "RMQConsumer.h"
#import "RMQChannel.h"

@interface RMQConsumer ()
@property (nonatomic, strong) NSString *queueName;
@property (nonatomic, assign) RMQBasicConsumeOptions options;
@property (nonatomic, strong) NSString *tag;
@property (nonatomic, strong) id<RMQChannel> channel;
@property (nonatomic, strong) RMQConsumerDeliveryHandler deliveryHandler;
@property (nonatomic, strong) RMQConsumerCancellationHandler cancellationHandler;
@end

@implementation RMQConsumer

- (instancetype)initWithChannel:(id<RMQChannel>)channel
                      queueName:(NSString *)queueName
                        options:(RMQBasicConsumeOptions)options {
    self = [super init];
    if (self) {
        self.queueName = queueName;
        self.options = options;
        self.tag = [channel generateConsumerTag];
        self.channel = channel;
        self.cancellationHandler = ^(){};
        self.deliveryHandler = ^(id _){};
    }
    return self;
}

- (void)onDelivery:(RMQConsumerDeliveryHandler)handler {
    self.deliveryHandler = handler;
}

- (void)onCancellation:(RMQConsumerCancellationHandler)handler {
    self.cancellationHandler = handler;
}

- (void)consume:(RMQMessage *)message {
    self.deliveryHandler(message);
}

- (void)cancel {
    [self.channel basicCancel:self.tag];
}

- (void)handleCancellation {
    self.cancellationHandler();
}

@end