Automatic Pressure Cooker

using Windows.UI.Xaml.Controls;
using PuchyPot.Infrastructure.Services;
using PuchyPot.Infrastructure.VM;
using PuchyPot.Boards;
using Windows.UI.Xaml;
using Windows.Globalization;
using System.ComponentModel;
using Windows.ApplicationModel.Resources;
using System;
using Windows.Media.SpeechSynthesis;
using Windows.UI.Popups;
using Windows.UI.Xaml.Navigation;
using System.Diagnostics;


namespace PuchyPot.Pages
{
    public sealed partial class LetsCook : Page
    {
        private int _index;
        RecipeViewModel rec;
        DispatcherTimer stepTimer;
        DispatcherTimer cookTimer;

        int stepSecondsRemained;
        int waitingSecondsRemained;
        int cookSecondsRemained;
        string stepTimeString;
        string cookTimeString;

        bool speechEnded = true;
        VoiceInformation voice = TTS.GetFemaleVoiceForCulture(ApplicationLanguages.PrimaryLanguageOverride, ((App)Application.Current).Voice);

        FezBoard board = ((App)Application.Current).GetBoard();

        ResourceLoader resourceLoader = new ResourceLoader();
        public StepInfo TheStep;
        public class StepInfo : INotifyPropertyChanged
        {
            CookingProcessViewModel _current = null;
            public event PropertyChangedEventHandler PropertyChanged;
            public void OnPropertyChanged(string propertyName)
            {
                PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
            }

            public CookingProcessViewModel Current { get { return _current; } set { _current = value; OnPropertyChanged("Current"); OnPropertyChanged("Image"); } }
        }
        public int Index
        {
            get
            {
                return _index;
            }
            set
            {
                _index = value;
                TheStep.Current = rec.Steps[value - 1];

                if (TheStep.Current.isCookedByPressure)
                {
                    board.setPointPid = 0.999f;
                }
                else
                {
                    board.setPointPid = (float)TheStep.Current.Temperature;
                }
                board.pidController.ControllerMode = ControllerMode.Automatic;

                txtCurrentStep.Text = string.Format(resourceLoader.GetString("StepCountTextBlock"), value, rec.Steps.Count);
                SpeakMessage(TheStep.Current.InStepText);
                stepTimer.Stop();
                stepSecondsRemained = int.Parse(TheStep.Current.CookTime) * 1;
                waitingSecondsRemained = stepSecondsRemained;
                stepTimer.Start();
            }
        }
        private async void SpeakMessage(string content)
        {
            using (var speech = new SpeechSynthesizer())
            {
                speech.Voice = voice;
                SpeechSynthesisStream stream = await speech.SynthesizeTextToStreamAsync(content);
                mediaElement.Stop();
                mediaElement.SetSource(stream, stream.ContentType);
                mediaElement.Play();
            }
        }

        public LetsCook()
        {
            this.InitializeComponent();
            Loaded += LetsCook_Loaded;

            TheStep = new StepInfo();
            DataContext = TheStep;
            cookTimer = new DispatcherTimer();
            stepTimer = new DispatcherTimer();
            cookTimer.Interval = new TimeSpan(0, 0, 1);
            stepTimer.Interval = new TimeSpan(0, 0, 1);
            cookTimer.Tick += CookTimer_Tick;
            stepTimer.Tick += StepTimer_Tick;
            stepTimeString = resourceLoader.GetString("MinutesLeftOnThisStep");
            cookTimeString = resourceLoader.GetString("MinutesLeftToFinishThisRecipe");
            mediaElement.MediaEnded += MediaElement_MediaEnded;
            mediaElement.MediaOpened += MediaElement_MediaOpened;
        }
        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            base.OnNavigatedFrom(e);
            ((App)Application.Current).AppFlagIsPotCooking = false;
        }
        private void MediaElement_MediaOpened(object sender, RoutedEventArgs e)
        {
            speechEnded = false;
        }

        private void MediaElement_MediaEnded(object sender, RoutedEventArgs e)
        {
            speechEnded = true;
        }

        void UpdateUI()
        {
            textBoxSetPointPid.Text = board.setPointPid.ToString("P2");
            textBoxAnalogPinA1RawValue.Text = board.analogPinA1RawValue.ToString("P2");
            textBoxActualPWM.Text = board.actualPWM.ToString("P2");
            textBoxHardwarePressureSwitch.Text = board.hardwarePressureSwitch.ToString();
        }