/*

     File: ViewController.m

 Abstract: 

  Version: 1.1.2

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 */

#import "ViewController.h"

#import "Delay.h"

#import "AppDelegate.h"

@implementation IADelayViewController

#pragma mark Initialization / deallocation

- (void)dealloc {

    [delayAmount release];

    [delayAmountSlider release];

    [feedbackAmount release];

    [lowPassAmount release];

    [wetDryAmount release];

    [feedbackSlider release];

    [lowPassSlider release];

    [wetDrySlider release];

    [super dealloc];

}

- (void) viewDidLoad {

    [super viewDidLoad];

    transportView.engine = DELAY_ENGINE;

    [self setInitialSliderValues];

}

- (void) setInitialSliderValues {

    /* bind sliders to audio parameters and ranges */

    int delayTag = [DELAY_ENGINE getDelayTag];

    [delayAmountSlider setTag:delayTag];

    [delayAmountSlider setMinimumValue:[DELAY_ENGINE getMinValueForParam:delayTag]];

    [delayAmountSlider setMaximumValue:[DELAY_ENGINE getMaxValueForParam:delayTag]];

    //Get the initial slider values from the delay engine

    float delayTime = [DELAY_ENGINE delayTime];

    [delayAmountSlider setValue:delayTime];

    [delayAmount setText: [NSString stringWithFormat:@"%.02f secs", delayTime]];

    int wetDryTag = [DELAY_ENGINE getWetDryTag];

    [wetDrySlider setTag:wetDryTag];

    [wetDrySlider setMinimumValue:[DELAY_ENGINE getMinValueForParam:wetDryTag]];

    [wetDrySlider setMaximumValue:[DELAY_ENGINE getMaxValueForParam:wetDryTag]];

    //wetDrySlider

    float wetDry = [DELAY_ENGINE wetDryMix];

    [wetDrySlider setValue:wetDry];

    [wetDryAmount setText: [NSString stringWithFormat:@"%.01f %%", wetDry]];

    int feedbackTag = [DELAY_ENGINE getFeedbackTag];

    [feedbackSlider setMinimumValue:[DELAY_ENGINE getMinValueForParam:feedbackTag]];

    [feedbackSlider setMaximumValue:[DELAY_ENGINE getMaxValueForParam:feedbackTag]];

    //feedbackSlider

    float feedback = [DELAY_ENGINE feedback];

    [feedbackSlider setValue:feedback];

    [feedbackAmount setText: [NSString stringWithFormat:@"%.01f %%", feedback]];

    int lowPassCutoffTag = [DELAY_ENGINE getLowPassCutoffTag];

    [lowPassSlider setMinimumValue:[DELAY_ENGINE getMinValueForParam:lowPassCutoffTag]];

    [lowPassSlider setMaximumValue:[DELAY_ENGINE getMaxValueForParam:lowPassCutoffTag]];

    //lowPassSlider

    float lowPassCutOff = [DELAY_ENGINE lowPassCutoff];

    [lowPassSlider setValue:lowPassCutOff];

    [lowPassAmount setText: [NSString stringWithFormat:@"%.0f Hz", lowPassCutOff]];

    UIColor *keyColor = [UIColor colorWithRed:.988 green:.663 blue:.196 alpha:1];

    [delayAmountSlider  setMinimumTrackTintColor: keyColor];

    [wetDrySlider       setMinimumTrackTintColor: keyColor];

    [feedbackSlider     setMinimumTrackTintColor: keyColor];

    [lowPassSlider      setMinimumTrackTintColor: keyColor];

}

#pragma mark IBActions

- (IBAction) delayAmountSlider:(id) sender {

    [DELAY_ENGINE setDelayTime:[((UISlider *)sender) value]];

    [delayAmount setText: [NSString stringWithFormat:@"%.2f secs", [((UISlider *)sender) value]]];

}

- (IBAction) feedbackAmountSlider:(id) sender {

    [DELAY_ENGINE setFeedback:[((UISlider *)sender) value]];

    [feedbackAmount setText: [NSString stringWithFormat:@"%.1f %%", [((UISlider *)sender) value]]];

}

- (IBAction) lowpassAmountSlider:(id) sender {

    [DELAY_ENGINE setLowPassCutoff:[((UISlider *)sender) value]];

    [lowPassAmount setText: [NSString stringWithFormat:@"%.0f Hz", [((UISlider *)sender) value]]];

}

- (IBAction) wetDryAmountSlider:(id) sender {

    [DELAY_ENGINE setWetDryMix:[((UISlider *)sender) value]];

    [wetDryAmount setText: [NSString stringWithFormat:@"%.01f %%", [((UISlider *)sender) value]]];

}

@end