//
//  MAZAudioPlayer.m
//  AudioEngineMac
//

#import "MAZAudioPlayer.h"
#import <AVFoundation/AVFoundation.h>

@implementation MAZAudioPlayer
{
    AVAudioEngine *_engine;
    NSError *_engineErr;
    AVAudioPlayerNode *_player;
    AVAudioFile *_file;
}

- (instancetype)initWithURL:(NSURL *)fileURL_
{
    if ((self = [super init]))
    {
        NSURL *url = [[NSBundle mainBundle] URLForResource:@"02 Fire Woman" withExtension:@"mp3"];
        _file = [[AVAudioFile alloc] initForReading:url error:nil];
        _engine = [[AVAudioEngine alloc] init];
        //    AVAudioMixerNode *mainMixer = [engine mainMixerNode];
        _player = [[AVAudioPlayerNode alloc] init];
        [_engine attachNode:_player];
//        [_engine connect:_player to:[_engine outputNode] format:_file.processingFormat];
        [_engine connect:_player to:[_engine mainMixerNode] format:_file.processingFormat];
        [_player scheduleFile:_file atTime:nil completionHandler:nil];
        [_engine prepare];

        NSError *engineErr = nil;
        [_engine startAndReturnError:&engineErr];
        _engineErr = engineErr;
    }
    return self;
}

- (void)playDuration:(NSTimeInterval)seconds_ looping:(BOOL)looping_
{
    self.isLooping = looping_;
    if (_engineErr == nil)
    {
        if (seconds_ > 0)
        {
            AVAudioFrameCount count = (_file.fileFormat.sampleRate * seconds_);
            [_player scheduleSegment:_file startingFrame:0 frameCount:count atTime:[[AVAudioTime alloc] initWithSampleTime:(AVAudioFramePosition)0 atRate:_file.fileFormat.sampleRate] completionHandler:^{
                NSLog(@"done");
            }];
//            [_player scheduleSegment:_file startingFrame:0 frameCount:count atTime:[[AVAudioTime alloc] initWithSampleTime:(AVAudioFramePosition)0 atRate:_file.fileFormat.sampleRate] completionHandler:^{
//                NSLog(@"done");
//            }];
            [_player play];
        }
    }
}

@end