//-----------------------------------------------------------------------------
// Project     : VST SDK
//
// Category    : Helpers
// Filename    : public.sdk/source/vst/interappaudio/SettingsViewController.mm
// Created by  : Steinberg, 09/2013
// Description : VST 3 InterAppAudio
// Flags       : clang-format SMTGSequencer
//
//-----------------------------------------------------------------------------
// LICENSE
// (c) 2018, Steinberg Media Technologies GmbH, All Rights Reserved
//-----------------------------------------------------------------------------
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Steinberg Media Technologies nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE  OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//-----------------------------------------------------------------------------

#import "SettingsViewController.h"

#import "AudioIO.h"
#import "MidiIO.h"
#import <CoreMIDI/MIDINetworkSession.h>

using namespace Steinberg::Vst::InterAppAudio;

static const NSUInteger kMinTempo = 30;

//------------------------------------------------------------------------
@interface SettingsViewController ()
//------------------------------------------------------------------------
{
	IBOutlet UIView* containerView;
	IBOutlet UISwitch* midiOnSwitch;
	IBOutlet UIPickerView* tempoView;
}
@end

//------------------------------------------------------------------------
@implementation SettingsViewController
//------------------------------------------------------------------------

//------------------------------------------------------------------------
- (id)init
{
	self = [super initWithNibName:@"SettingsView" bundle:nil];
	if (self)
	{
		self.modalPresentationStyle = UIModalPresentationOverCurrentContext;
		self.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
	}
	return self;
}

//------------------------------------------------------------------------
- (void)viewDidLoad
{
	[super viewDidLoad];

	containerView.layer.shadowOpacity = 0.5;
	containerView.layer.shadowOffset = CGSizeMake (5, 5);
	containerView.layer.shadowRadius = 5;

	midiOnSwitch.on = MidiIO::instance ().isEnabled ();

	Float64 tempo = AudioIO::instance ()->getStaticFallbackTempo ();
	[tempoView selectRow:tempo - kMinTempo inComponent:0 animated:YES];
}

//------------------------------------------------------------------------
- (IBAction)enableMidi:(id)sender
{
	BOOL state = midiOnSwitch.on;
	MidiIO::instance ().setEnabled (state);
}

//------------------------------------------------------------------------
- (IBAction)close:(id)sender
{
	[self dismissViewControllerAnimated:YES completion:^{}];
}

//------------------------------------------------------------------------
- (void)pickerView:(UIPickerView*)pickerView
      didSelectRow:(NSInteger)row
       inComponent:(NSInteger)component
{
	AudioIO::instance ()->setStaticFallbackTempo (row + kMinTempo);
}

//------------------------------------------------------------------------
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView*)pickerView
{
	return 1;
}

//------------------------------------------------------------------------
- (NSInteger)pickerView:(UIPickerView*)pickerView numberOfRowsInComponent:(NSInteger)component
{
	return 301 - kMinTempo;
}

//------------------------------------------------------------------------
- (NSString*)pickerView:(UIPickerView*)pickerView
            titleForRow:(NSInteger)row
           forComponent:(NSInteger)component
{
	return [@(row + kMinTempo) stringValue];
}

//------------------------------------------------------------------------
- (BOOL)prefersStatusBarHidden
{
	return YES;
}

@end

//------------------------------------------------------------------------
void showIOSettings ()
{
	SettingsViewController* controller = [[SettingsViewController alloc] init];

	UIViewController* rootViewController =
	    [[UIApplication sharedApplication].windows[0] rootViewController];
	[rootViewController presentViewController:controller animated:YES completion:^{}];
}