/*
 * Copyright (c) 2019  STMicroelectronics – All rights reserved
 * The STMicroelectronics corporate logo is a trademark of STMicroelectronics
 *
 * 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 nor trademarks of STMicroelectronics International N.V. nor any other
 *   STMicroelectronics company nor the names of its contributors may be used to endorse or
 *   promote products derived from this software without specific prior written permission.
 *
 * - All of the icons, pictures, logos and other images that are provided with the source code
 *   in a directory whose title begins with st_images may only be used for internal purposes and
 *   shall not be redistributed to any third party or modified in any way.
 *
 * - Any redistributions in binary form shall not include the capability to display any of the
 *   icons, pictures, logos and other images that are provided with the source code in a directory
 *   whose title begins with st_images.
 *
 * 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 HOLDER
 * 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 Foundation

class BlueMSFitnessActivityViewController:
BlueMSDemoTabViewController {
    
    @IBOutlet weak var activityTilte: UILabel!
    @IBOutlet weak var activityCounterLabel: UILabel!
    @IBOutlet weak var activityImage: UIImageView!
    
    private var mFitnessFeature:BlueSTSDKFeatureFitnessActivity?;
    private var mCurrentActivity:BlueSTSDKFeatureFitnessActivity.ActivityType = .bicep_curl
    
    public override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        mFitnessFeature = self.node.getFeatureOfType(BlueSTSDKFeatureFitnessActivity.self) as? BlueSTSDKFeatureFitnessActivity
        if let feature = mFitnessFeature{
            feature.add(self)
            feature.enableNotification()
            feature.enableActivity(mCurrentActivity)
        }
    }
    
    public override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated);
        
        if let feature = mFitnessFeature{
            feature.remove(self)
            feature.disableNotification()
        }
    }
    
    @IBAction func onChangeAlgorithmClicked(_ sender: UIButton) {
        
        let popOverContent = BlueMSFitnessActivitySelectorViewController.instantiate(onSelection: { newAlgo in
            self.mCurrentActivity = newAlgo
            self.mFitnessFeature?.enableActivity(newAlgo)
        })
        
        popOverContent.modalPresentationStyle = .popover
        let popOverVC = popOverContent.popoverPresentationController
        popOverVC?.delegate = self
        popOverVC?.sourceView=sender
        popOverVC?.sourceRect = CGRect(x: sender.bounds.midX, y: sender.bounds.minY, width: 0, height: 0)
        
        present(popOverContent, animated: true, completion: nil)
    }
    
}

// This is we need to make it looks as a popup window on iPhone
extension BlueMSFitnessActivityViewController: UIPopoverPresentationControllerDelegate {
    
    func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle {
        return .none
    }
}

extension BlueMSFitnessActivityViewController : BlueSTSDKFeatureDelegate{
    
    private static let PULSE_ANIMATION_KEY = "BlueMSFitnessActivityViewController.PulseAnimation"
    private static let COUNTER_FORMAT = "%@: %d"
    
    private static let PULSE_ANIMATION:CAKeyframeAnimation = {
        let animation = CAKeyframeAnimation(keyPath: "transform.scale.xy")
        animation.values = [1.0,0.8,1.2,1.0]
        animation.keyTimes = [0.0,0.25,0.75,1.0]
        animation.duration = 0.3
        return animation
    }();
    
    func didUpdate(_ feature: BlueSTSDKFeature, sample: BlueSTSDKFeatureSample) {
        guard let currentAlgo = BlueSTSDKFeatureFitnessActivity.getActivityType(sample),
              let counter = BlueSTSDKFeatureFitnessActivity.getActivityCount(sample) else {
            return
        }
        
        let counterStr = String(format: BlueMSFitnessActivityViewController.COUNTER_FORMAT,currentAlgo.description,counter)
        DispatchQueue.main.async { [weak self] in
            self?.activityTilte.text = currentAlgo.description
            self?.activityImage.image = currentAlgo.image
            self?.activityImage.layer.add(BlueMSFitnessActivityViewController.PULSE_ANIMATION,
                                          forKey: BlueMSFitnessActivityViewController.PULSE_ANIMATION_KEY)
            self?.activityCounterLabel.text = counterStr
        }
    }
}
