using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;
using ThoughtCastRewrite.Models;
using CarouselView.FormsPlugin.Abstractions;

using System.Collections.ObjectModel;
using System.ComponentModel;

namespace ThoughtCastRewrite
{
	public partial class MainPage : ContentPage
    {

        OnboardingPageVm _onBoardingVm;
        public MainPage()
		{


			InitializeComponent();


            Title = "Carousel View";
            _onBoardingVm = new OnboardingPageVm();
            BindingContext = _onBoardingVm;

            CarouselViewControl carouselView = new CarouselViewControl
            {
                VerticalOptions = LayoutOptions.FillAndExpand,
                HorizontalOptions = LayoutOptions.FillAndExpand,
                ShowIndicators = true
            };

            var onBoardingDataTemplate = new DataTemplate(CreateViewTemplate);
            carouselView.ItemTemplate = onBoardingDataTemplate;

            Grid mainContainer = new Grid { };

            mainContainer.Children.Add(carouselView, 0, 0);

            Content = mainContainer;

            #region Bindings

            carouselView.SetBinding(CarouselViewControl.ItemsSourceProperty, nameof(_onBoardingVm.BoardingObjectsList));

            #endregion




        }

        View CreateViewTemplate()
        {

            var view = new StackLayout
            {
                BindingContext = _onBoardingVm.BoardingObjectsList
            };


            Button buttonToMain = new Button { Text = "Connect to Sensor Board" };

            buttonToMain.Clicked += ButtonToMain_Clicked;

            var buttonnew = new Image

            {
                Aspect = Aspect.AspectFill,

            };





            view.Children.Add(buttonnew);
            view.Children.Add(buttonToMain);



            view.SetBinding(BackgroundColorProperty, nameof(OnboardingModel.Color));
            return view;
        }

        private void ButtonToMain_Clicked(object sender, EventArgs e)
        {
            this.Content = CreateViewTemplateMain();

        }


        View CreateBluetoothTemplate()
        {

            var view = new StackLayout
            {
                BackgroundColor = Color.FromHex("#292929"),

                BindingContext = _onBoardingVm.BoardingObjectsList
            };


            var labelDevicesList = new Label()
            {
                Text = "Devices List"
            };

        BluetoothInfo listBluetoothDevices = DependencyService.Get<BluetoothInfo>();


            var listView = new ListView();
            listView.ItemsSource = listBluetoothDevices.bluetoothDevices();



            view.Children.Add(labelDevicesList);
            view.Children.Add(listView);


            return view;
        }
        View CreateViewTemplateMain()
        {


            var view = new StackLayout
            {
                BackgroundColor = Color.FromHex("#292929"),

                BindingContext = _onBoardingVm.BoardingObjectsList
            };





            var grid = new Grid();

            grid.HorizontalOptions = LayoutOptions.Center;
            grid.VerticalOptions = LayoutOptions.CenterAndExpand;


            grid.RowDefinitions.Add(new RowDefinition { Height = 55 });
         //   grid.RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
            grid.ColumnDefinitions.Add(new ColumnDefinition { Width = 150 });
            //  grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });






            Image imageBrainLogo = new Image
            {
                HeightRequest = 400,

            };




              view.Children.Add(imageBrainLogo);

            imageBrainLogo.Source = ImageSource.FromResource("ThoughtCastRewrite.Thoughtcast.png");

            Label labelConnectionStatus = new Label
            {
                Text = "Disconnected",
                FontSize = 8,
                HorizontalTextAlignment = TextAlignment.Center,
                TextColor = Color.Red
            };

            Button buttonConnectToSensorBoard = new Button
            {
                Text = "Connect to Sensor Board",
                FontSize = 8,
                BorderColor = Color.White,
                BorderWidth = 1,
                BackgroundColor = Color.FromHex("#292929"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };


            buttonConnectToSensorBoard.Clicked += ButtonConnectToSensorBoard_Clicked;

            Button buttonDrawingMode = new Button
            {
                Text = "Drawing Mode",
                FontSize = 8,
                BackgroundColor = Color.FromHex("#454645"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };

            Button buttonZoneMode = new Button
            {
                Text = "Zone Mode",
                FontSize = 8,
                BackgroundColor = Color.FromHex("#454645"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };

            Button buttonSavedDrawings = new Button
            {
                Text = "Saved Drawings",
                FontSize = 8,
                BackgroundColor = Color.FromHex("#454645"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };

            Button buttonSettings = new Button
            {
                Text = "Settings",
                FontSize = 8,
                BackgroundColor = Color.FromHex("#454645"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };

            Button buttonInstructions = new Button
            {
                Text = "Instructions",
                FontSize = 8,
                BackgroundColor = Color.FromHex("#454645"),
                WidthRequest = 5,
                HeightRequest = 35,
                TextColor = Color.White
            };


            grid.Children.Add(imageBrainLogo, 0, 0);
            grid.Children.Add(labelConnectionStatus, 0 , 1);
            grid.Children.Add(buttonConnectToSensorBoard, 0, 2);
            grid.Children.Add(buttonDrawingMode, 0, 3);
            grid.Children.Add(buttonZoneMode, 0, 4);
            grid.Children.Add(buttonSavedDrawings, 0, 5);
            grid.Children.Add(buttonSettings, 0, 6);
            grid.Children.Add(buttonInstructions, 0, 7);

            view.Children.Add(grid);



            /*
                        view.Children.Add(buttonConnectToSensorBoard);

                        view.Children.Add(buttonDrawingMode);
                        view.Children.Add(buttonZoneMode);

                        view.Children.Add(buttonSavedDrawings);

                        view.Children.Add(buttonSettings);

                        view.Children.Add(buttonInstructions);

                */
            return view;
        }

        private void ButtonConnectToSensorBoard_Clicked(object sender, EventArgs e)
        {
            this.Content = CreateBluetoothTemplate();

        }
    }


    public class OnboardingTemplateView : StackLayout
    {
        public BoxView BackGroundProperty;


        public OnboardingTemplateView()
        {
            BackGroundProperty = new BoxView
            {
                HorizontalOptions = LayoutOptions.Fill,
                VerticalOptions = LayoutOptions.Fill
            };





            Children.Add(BackGroundProperty);
        }
    }

    public class OnboardingModel
    {
        public Color Color { get; set; }
        public String ImageSource { get; set; }

    }

    public class OnboardingPageVm : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;
        public ObservableCollection<OnboardingModel> BoardingObjectsList { get; set; }


        public OnboardingPageVm()
        {
            BoardingObjectsList = new ObservableCollection<OnboardingModel>
        {
            new OnboardingModel
            {
                Color = Color.FromHex("#292929"),
                ImageSource = "ThoughtCastRewrite.walkthroughPage1Element.png"
            },
            new OnboardingModel
            {
                Color =  Color.FromHex("#292929"),
                ImageSource = "ThoughtCastRewrite.walkthroughPage1Element.png"
        },
            new OnboardingModel
            {
                Color =  Color.FromHex("#292929"),
                ImageSource = "ThoughtCastRewrite.walkthroughPage1Element.png"
            },
            new OnboardingModel
            {
                Color =  Color.FromHex("#292929"),
                ImageSource = "ThoughtCastRewrite.walkthroughPage1Element.png"
        }
        };
        }

        protected virtual void OnPropertyChanged(string propertyName)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }




}