Kulexiu/KulexiuForStudent/KulexiuForStudent/Module/Widget/Controller/ToneTuningViewController.m

//
//  ToneTuningViewController.m
//  KulexiuForStudent
//
//  Created by 王智 on 2022/10/13.
//

#import "ToneTuningViewController.h"
#import "TuningNavView.h"
#import <KSTunerLibrary/KSTunerLibrary-Swift.h>
#import "ToneTuningBodyView.h"
#import "DialPlateView.h"
#import "TuningForkSettingView.h"
#import <AVFoundation/AVFoundation.h>
#import "TunerSettingView.h"
#import <KSChoosePicker.h>
#import "WidgetViewController.h"

#import "MetronomeManager.h"


@interface ToneTuningViewController ()<TunerDelegate>

@property (nonatomic, strong) TuningNavView *navView;

@property (nonatomic, assign) BOOL isRuning;

@property (nonatomic, strong) Tuner *tuner;

@property (nonatomic, strong) ToneTuningBodyView *bodyView;

@property (nonatomic, strong) DialPlateView *plateView;

@property (nonatomic, assign) BOOL isTransfer;

@property (nonatomic, strong) TuningForkSettingView *forkView;

@property (nonatomic, assign) NSInteger chooseFrequence;

@property (nonatomic, strong) TunerForkManager *forkManager;

@property (nonatomic, strong) TunerSettingView *settingView;

@property (nonatomic, strong) KSChoosePicker *instrumentPicker;

@property (nonatomic, assign) NSInteger lastChooseIndex;

@property (nonatomic, strong) NSArray *instrumentArray;

@property (nonatomic, strong) NSArray *picthRateArray;

// 判断是否选择移调乐器
@property (nonatomic, assign) NSInteger toneChangeRate;

@property (nonatomic, strong) NSArray *picthDescArray;

// A4 频率
@property (nonatomic, assign) NSInteger A4Frequence;


@end

@implementation ToneTuningViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.ks_prefersNavigationBarHidden = YES;
    [self configDefault];
    [self configUI];
    [self setupAudioSession];
    [self addNotification];
}

- (void)addNotification {
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(stopPlayBeat) name:ERROR_NOTIFICATION object:nil];
}

- (void)configDefault {
    self.chooseFrequence = A4_FREQUENCE_INTABLE;
    self.A4Frequence = DEFALUT_A4FREQUENCE;
    self.isTransfer = NO;
}

- (void)setupAudioSession {
    
    AVAudioSession *audioSession = [AVAudioSession sharedInstance];
    NSError *err = nil;
    AVAudioSessionCategory category = AVAudioSessionCategoryPlayAndRecord;
    if (@available(iOS 10.0, *)) {
        [audioSession setCategory:category mode:AVAudioSessionModeDefault options:AVAudioSessionCategoryOptionAllowBluetooth|AVAudioSessionCategoryOptionAllowBluetoothA2DP|AVAudioSessionCategoryOptionDefaultToSpeaker|AVAudioSessionCategoryOptionMixWithOthers error:&err];
    }
    else {
        [audioSession setCategory:category withOptions:AVAudioSessionCategoryOptionAllowBluetooth|AVAudioSessionCategoryOptionDefaultToSpeaker|AVAudioSessionCategoryOptionMixWithOthers error:&err];
    }
    [audioSession setActive:YES error:&err];
}

- (void)configUI {
    self.scrollView.backgroundColor = [UIColor clearColor];
    [self.scrollView mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.left.right.mas_equalTo(self.view);
        make.top.mas_equalTo(self.view.mas_top).offset(kNaviBarHeight);
        make.bottom.mas_equalTo(self.view.mas_bottom);
    }];
    
    // 背景图
    UIImage *bgImage = [UIImage imageNamed:@"gadget_bg"];
    UIImageView *imageView = [[UIImageView alloc] initWithImage:bgImage];
    imageView.contentMode = UIViewContentModeRedraw;
    [self.view addSubview:imageView];
    [imageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.top.bottom.mas_equalTo(self.view);
    }];
    
    [self.view bringSubviewToFront:self.scrollView];
    
    [self.view addSubview:self.navView];
    [self.navView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.right.mas_equalTo(self.view);
        make.height.mas_equalTo(kNaviBarHeight);
    }];

    [self.scrollView addSubview:self.bodyView];
    self.bodyView.A4Frequence = self.A4Frequence;
    [self.bodyView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.mas_equalTo(self.view);
        make.top.mas_equalTo(self.scrollView.mas_top);
        make.bottom.mas_equalTo(self.scrollView.mas_bottom);
    }];
    [self.bodyView.plateView addSubview:self.plateView];
    [self.plateView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.bottom.left.right.mas_equalTo(self.bodyView.plateView);
    }];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    [self startTuner];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.bodyView.speedValue.text = [NSString stringWithFormat:@"BPM=%d",METRONOME_MANAGER.speed];
    self.bodyView.metronomePlayStatus = METRONOME_MANAGER.isPlaying;
    self.bodyView.beatType.text = [METRONOME_MANAGER getTypeString];
    [self changeRhythm];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    [self stopTuner];
    [self stopForkPlay];
    BOOL isBack = [self isViewPopDismiss];
    if (isBack) {
        [METRONOME_MANAGER stopPlay];
        [METRONOME_MANAGER resetDefaultConfig];
        [self removeTuner];
    }
}

- (void)startTuner {
    @try {
        if (self.isRuning == NO) {
            self.isRuning = YES;
            [self.tuner start];
        }
    } @catch (NSException *exception) {
        NSLog(@"--exception -- %@",exception);
    } @finally {
        
    }
}

- (void)stopTuner {
    if (self.isRuning) {
        self.isRuning = NO;
        [self.tuner stop];
    }
}

- (void)removeTuner {
    if (_tuner) {
        [_tuner freeTuner];
        _tuner = nil;
        NSLog(@"--- free tuner ");
    }
}

- (CAGradientLayer *)createGradientLayerFromColor:(UIColor *)fromColor startPoint:(CGPoint)startPoint endColor:(UIColor *)endColor endPoint:(CGPoint)endPoint bounds:(CGRect)bounds {
    CAGradientLayer *gradientLayer = [CAGradientLayer layer];
    gradientLayer.colors = @[(__bridge id)fromColor.CGColor, (__bridge id)endColor.CGColor];
    gradientLayer.startPoint = startPoint;
    gradientLayer.endPoint = endPoint;
    gradientLayer.frame = bounds;
    gradientLayer.locations = @[@(0),@(1.0f)];
    return gradientLayer;
}

- (TuningNavView *)navView {
    if (!_navView) {
        _navView = [TuningNavView shareInstance];
        MJWeakSelf;
        [_navView navActionCallback:^(BOOL isBack) {
            if (isBack) {
                [weakSelf backAction];
            }
            else {
                [weakSelf showSettingView];
            }
        }];
    }
    return _navView;
}

- (void)showSettingView {
    [self.settingView showView];
}

- (Tuner *)tuner {
    if (!_tuner) {
        _tuner = [[Tuner alloc] initWithThreshold:0 smoothing:0.25];
        _tuner.delegate = self;
    }
    return _tuner;
}

- (void)tunerDidUpdate:(Tuner *)tuner output:(TunerOutput *)output {

    if (output.amplitude < 0.01) {
        
    }
    else {
        TunerOutput *transferOutput = [tuner getTransferPitchWithA4Frequency:self.A4Frequence toneChangeRate:self.toneChangeRate output:output];

        /**
         如果知道两个音a和b的频率，两个音相距的音分值n可用下列公式计算（类似分贝定义式的形式，目的是为了使指数形式的物理单位线性化，使其化为对数）：

          n=1200 *log2(a/b) == 3986 *log10(a/b)
         */
        Float32 cents = log2(transferOutput.frequency/transferOutput.midFrequence) * 1200;
//        Float32 cents = log2(transferOutput.frequency / (transferOutput.frequency - transferOutput.distance)) *1200;
        if (lround(transferOutput.frequency) == lround(transferOutput.midFrequence)) {
            cents = 0;
        }
        if (cents > 50) {
            cents = 50;
        }
        else if (cents < -50) {
            cents = 50;
        }
        self.plateView.gaugeView.value = (NSInteger)cents;
        
        self.bodyView.distance = (NSInteger)cents;
        
        // 调整频率后
        float rate = 0.0;
        if (labs((int)cents) <= 10) {
            self.bodyView.frequenceCorrect = YES;
        }
        else {
            self.bodyView.frequenceCorrect = NO;
        }
        int distance = abs((int)cents) > 50 ? 50 : abs((int)cents);
        
        rate = (50.0 - distance) / 50;
        self.bodyView.rateFrequence = rate;
        if (self.isTransfer == NO) {
            
            self.bodyView.nomalPitch.text = [NSString stringWithFormat:@"%@%zd",output.pitch, output.octave];
            self.bodyView.pitchFrequenceLabel.text = [NSString stringWithFormat:@"%@%zd:%.0fHz", output.pitch, output.octave, output.midFrequence / A4_FREQUENCE_INTABLE *self.A4Frequence];
            self.bodyView.preFrequence.text = [NSString stringWithFormat:@"%@%zd",output.prePitch, output.preOctave];
            self.bodyView.nextFrequence.text = [NSString stringWithFormat:@"%@%zd",output.nextPitch, output.nextOctave];
        }
        else {
            
            self.bodyView.transferNomalPitch.text = [NSString stringWithFormat:@"%@%zd",transferOutput.pitch,transferOutput.octave];
            self.bodyView.transferDesc.text = self.settingView.transferPicthDesc;
            self.bodyView.transferPitch.text = [NSString stringWithFormat:@"%@%zd",transferOutput.transferPitch, transferOutput.transferOctave];
            self.bodyView.pitchFrequenceLabel.text = [NSString stringWithFormat:@"%@%zd:%.0fHz", transferOutput.transferPitch, transferOutput.transferOctave, transferOutput.midFrequence];
            self.bodyView.preFrequence.text = [NSString stringWithFormat:@"%@%zd",transferOutput.prePitch, transferOutput.preOctave];
            self.bodyView.nextFrequence.text = [NSString stringWithFormat:@"%@%zd",transferOutput.nextPitch, transferOutput.nextOctave];
        }
    }
    NSLog(@"-------- %@%zd --- distance :%f frequence : %f" , output.pitch, output.octave, output.distance, output.frequency);
    
}

#pragma mark ---- lazying
- (ToneTuningBodyView *)bodyView {
    if (!_bodyView) {
        _bodyView = [ToneTuningBodyView shareInstance];
        MJWeakSelf;
        [_bodyView tuningViewAction:^(TUNINGACTION action, NSInteger frequence) {
            [weakSelf tuningAction:action frequence:frequence];
        }];
    }
    return _bodyView;
}


- (void)tuningAction:(TUNINGACTION)action frequence:(NSInteger)frequence {
    switch (action) {
        case TUNINGACTION_FORKSETTING:  // 音叉设置
        {
            [self.forkView showView];
            // 停止播放节拍器
            [self stopPlayBeat];
        }
            break;
        case TUNINGACTION_FREQUENCE: // 调整频率
        {
            self.A4Frequence = frequence;
            self.settingView.A4Frequence = frequence;
            self.tuner.A4Frequence = frequence;
            self.forkView.A4Frequence = frequence;
            if (self.bodyView.isPlaying) {
                CGFloat changefrequence = frequence / A4_FREQUENCE_INTABLE * self.chooseFrequence;
                [self.forkManager changeFrequenceWithFrequence:changefrequence];
            }
        }
            break;
        case TUNINGACTION_PLAY:      // 播放音叉
        {
            [self startForkPlay];
            // 停止播放节拍器
            [self stopPlayBeat];
        }
            break;
        case TUNINGACTION_STOP:      // 停止音叉
        {
            [self stopForkPlay];
        }
            break;
        case TUNINGACTION_BEATPLAY:
        {
            [self startPlayBeat];
            // 停止音叉
            [self stopForkPlay];
        }
            break;
        case TUNINGACTION_BEATSTOP:
        {
            [self stopPlayBeat];
        }
            break;
        case TUNINGACTION_BEATCHOOSE:
        {
            [self beatChoose];
        }
            break;
        case TUNINGACTION_RHYTHMCHOOSE: // 选择节奏
        {
            [self chooseRhythmType];
        }
            break;
        case TUNINGACTION_METRONOME:
        {
            WidgetViewController *ctrl = [[WidgetViewController alloc] init];
            [self.navigationController pushViewController:ctrl animated:YES];
        }
            break;
        default:
            break;
    }
}

- (void)chooseRhythmType {
    [METRONOME_MANAGER rhythmChooseCallback:^(RHYTHM_TYPE thythmType) {
        [self stopPlayBeat];
        [self changeRhythm];
    }];
}

- (void)changeRhythm {
    // 显示
    NSString *imageName = [METRONOME_MANAGER imageWithType:METRONOME_MANAGER.rhythmType];
    [self.bodyView.rhythmImage setImage:[UIImage imageNamed:imageName]];
}

- (void)startForkPlay {
    
    CGFloat changefrequence = self.A4Frequence / A4_FREQUENCE_INTABLE * self.chooseFrequence;
    [self.forkManager setupWithFrequence:changefrequence];
}

- (void)stopForkPlay {
    self.bodyView.isPlaying = NO;
    [self.forkManager stop];
}

#pragma mark ---- 节拍器
- (void)startPlayBeat {
    self.bodyView.metronomePlayStatus = YES;
    [METRONOME_MANAGER startPlay];
}

- (void)stopPlayBeat {
    self.bodyView.metronomePlayStatus = NO;
    [METRONOME_MANAGER stopPlay];
}

- (void)beatChoose {
    [METRONOME_MANAGER beatChooseCallback:^(KSWidgeMetronomeType type) {
        [self disPlayBeat];
        [self changeRhythm];
    }];
}

- (void)disPlayBeat {
    self.bodyView.metronomePlayStatus = NO;
    [self stopPlayBeat];
    self.bodyView.beatType.text = [METRONOME_MANAGER getTypeString];

}
- (DialPlateView *)plateView {
    if (!_plateView) {
        _plateView = [[DialPlateView alloc] init];
    }
    return _plateView;
}


#pragma mark ------ forkSetting
- (TuningForkSettingView *)forkView {
    if (!_forkView) {
        _forkView = [TuningForkSettingView shareInstance];
        _forkView.frame = CGRectMake(0, 0, KPortraitWidth, KPortraitHeight);
        MJWeakSelf;
        [_forkView forkSettingAction:^(CGFloat frequence, BOOL isSure) {
            NSLog(@"----- frequence %f", frequence);
            weakSelf.chooseFrequence = frequence;
            if (weakSelf.bodyView.isPlaying) {
                CGFloat changefrequence = frequence / A4_FREQUENCE_INTABLE * self.A4Frequence;
                [weakSelf.forkManager changeFrequenceWithFrequence:changefrequence];
            }
            else {
                if (isSure) {
                    [weakSelf stopForkPlay];
                }
                else {
                    if (weakSelf.forkManager.isPlay) {
                        CGFloat changefrequence = frequence / A4_FREQUENCE_INTABLE * self.A4Frequence;
                        [weakSelf.forkManager changeFrequenceWithFrequence:changefrequence];
                    }
                    else {
                        [weakSelf startForkPlay];
                    }
                }
            }
        }];

    }
    return _forkView;
}

- (TunerForkManager *)forkManager {
    if (!_forkManager) {
        _forkManager = [[TunerForkManager alloc] init];
    }
    return _forkManager;
}

- (TunerSettingView *)settingView {
    if (!_settingView) {
        _settingView = [TunerSettingView shareInstance];
        _settingView.A4Frequence = self.A4Frequence;
        _settingView.frame = CGRectMake(0, 0, KPortraitWidth, KPortraitHeight);
        MJWeakSelf;
        [_settingView tunerSettingAction:^(TUNETSETTING_ACTION action, NSInteger toneChangeRate, NSInteger frequence) {
            [weakSelf tunerSettingAction:action picthRate:toneChangeRate frequence:frequence];
        }];
    }
    return _settingView;
}


- (void)tunerSettingAction:(TUNETSETTING_ACTION)action picthRate:(NSInteger)toneChangeRate frequence:(NSInteger)frequence {
    if (action == TUNETSETTING_ACTION_INSTRUMENT) {
        // 选择乐器
        MJWeakSelf;
        self.instrumentPicker = [[KSChoosePicker alloc] initWithTitle:@"" sourceData:self.instrumentArray lastChooseIndex:self.lastChooseIndex sureButtonColor:CLIENT_THEMECOLOR chooseReturnWithBlock:^(NSString * _Nonnull returnValue, NSInteger chooseIndex) {
            weakSelf.lastChooseIndex = chooseIndex;
            weakSelf.settingView.instrumentLabel.text = returnValue;
            NSInteger pitchRate = [weakSelf.picthRateArray[chooseIndex] integerValue];
            weakSelf.A4Frequence = frequence;
            weakSelf.settingView.toneChangeRate = pitchRate;
            weakSelf.settingView.transferPicthDesc = weakSelf.picthDescArray[chooseIndex];
        } cancel:^{
            
        }];
        [self.instrumentPicker showPicker];
    }
    else if (action == TUNETSETTING_ACTION_SURE) {
        // 设置成功
        self.A4Frequence = frequence;
        self.bodyView.A4Frequence = frequence;
        self.toneChangeRate = toneChangeRate;
        self.tuner.A4Frequence = frequence;
        self.forkView.A4Frequence = frequence;
        if (self.bodyView.isPlaying) {
            CGFloat changefrequence = frequence / A4_FREQUENCE_INTABLE * self.chooseFrequence;
            [self.forkManager changeFrequenceWithFrequence:changefrequence];
        }
    }
}

- (NSArray *)instrumentArray {
    if (!_instrumentArray) {
        _instrumentArray = @[@"没有移调",
                             @"葫芦丝:C调",@"葫芦丝:D调",@"葫芦丝:降B调",@"葫芦丝:F调",@"葫芦丝:G调",
                             @"排箫:C调",@"排箫:D调",@"排箫:E调",@"排箫:F调",@"排箫:G调",
                             @"竖笛:C调",@"竖笛:中音F调",
                             @"口风琴:C调",
                             @"陶笛:SC调",@"陶笛:AC调",@"陶笛:AG调",@"陶笛:AF调",@"陶笛:BC调",
                             @"长笛：C调",@"高音萨克斯：降B调",@"中音萨克斯：降E调",@"单簧管：降B调",@"双簧管：C调",@"小号：降B调",@"长号：C调",@"圆号：F调",@"大号：降B调",@"上低音号：C调",@"上低音号：降B调"];
    }
    return _instrumentArray;
}


- (NSArray *)picthRateArray {
    if (!_picthRateArray) {
        _picthRateArray = @[@0,
                            @-12,@-2,@-11,@-5,@-7,
                            @-12,@-14,@-16,@-17,@-19,
                            @-12,@-5,
                            @0,
                            @-24,@-12,@-7,@-12,@0,
                            @0,@-10,@-3,@-10,@0,@-10,@0,@-5,@-10,@0,@-10];
    }
    return _picthRateArray;
}

- (NSArray *)picthDescArray {
    if (!_picthDescArray) {
        _picthDescArray = @[@"C ins.",
                            @"C ins.",@"D ins.",@"B♭ ins.",@"F ins.",@"G ins.",
                            @"C ins.",@"D ins.",@"E ins.",@"F ins.",@"G ins.",
                            @"C ins.",@"F ins.",
                            @"C ins.",
                            @"C ins.",@"C ins.",@"G ins.",@"F ins.",@"C ins.",
                            @"C ins.",@"B♭ ins.",@"E♭ ins.",@"B♭ ins.",@"C ins.",@"B♭ ins.",@"C ins.",@"F ins.",@"B♭ ins.",@"C ins.",@"B♭ ins."];
    }
    return _picthDescArray;
}

- (void)setToneChangeRate:(NSInteger)toneChangeRate {
    _toneChangeRate = toneChangeRate;
    self.tuner.toneChangeRate = toneChangeRate;
    if (_toneChangeRate == 0) { //
        self.isTransfer = NO;
    }
    else {
        self.isTransfer = YES;
    }
}

- (void)setIsTransfer:(BOOL)isTransfer {
    _isTransfer = isTransfer;
    self.bodyView.isTransfer = isTransfer;
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    NSLog(@"----- toneturning dealloc");
}
/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end