using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace CtrEditor.ObjetosSim
{



    public interface IosBase
    {
        string Nombre { get; }

        void ConnectSimManager(SimulationManager simulationManager);
        void UpdateControl();
    }

    public interface IDataContainer
    {
        osBase? Datos { get; set; }
        void Resize(float width, float height);
        void Move(float Left, float Top);
        void Rotate(float Angle);
        void Highlight(bool State);
        int ZIndex();
    }

    public abstract class osBase : INotifyPropertyChanged, IosBase
    {       
        public abstract float Left { get; set; }
        public abstract float Top { get; set; }

        public bool Inicializado = false;
        
        protected UserControl? _visualRepresentation = null;

        public abstract string Nombre { get; set; }

        public abstract void ConnectSimManager(SimulationManager simulationManager);
        public abstract void UpdateControl();
        public abstract void UpdateGeometry();

        [JsonIgnore]
        public UserControl? VisualRepresentation
        {
            get => _visualRepresentation;
            set => _visualRepresentation = value;
        }

        public void CanvasSetLeftinMeter(float left)
        {
            if (_visualRepresentation != null)
                Canvas.SetLeft(_visualRepresentation, PixelToMeter.Instance.calc.MetersToPixels(left));            
        }
        public float CanvasGetLeftinMeter()
        {
            if (_visualRepresentation != null)
                return PixelToMeter.Instance.calc.PixelsToMeters((float)Canvas.GetLeft(_visualRepresentation));
            else return 0f;
        }

        public void CanvasSetTopinMeter(float top)
        {
            if (_visualRepresentation != null)
                Canvas.SetTop(_visualRepresentation, PixelToMeter.Instance.calc.MetersToPixels(top));
        }
        public float CanvasGetTopinMeter()
        {
            if (_visualRepresentation != null)
                return PixelToMeter.Instance.calc.PixelsToMeters((float)Canvas.GetTop(_visualRepresentation));
            else return 0f;
        }


        public event PropertyChangedEventHandler PropertyChanged;

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

    public class PixelToMeter
    {
        // Instancia privada estática, parte del patrón Singleton
        private static PixelToMeter? _instance;
        public UnitConverter calc = new UnitConverter(0.01f);

        // Propiedad pública estática para acceder a la instancia
        public static PixelToMeter Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new PixelToMeter();
                }
                return _instance;
            }
        }
    }

    public class MeterToPixelConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            float meters = (float)value;
            float factor = 1;
            if (parameter != null)
                if (parameter.ToString() == "0.5") factor = 0.5f;
                else if (parameter.ToString() == "-0.5") factor = -0.5f;

            return PixelToMeter.Instance.calc.MetersToPixels(meters) * factor;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            float pixels = (float)value;
            float factor = 1;
            if (parameter != null)
                if (parameter.ToString() == "0.5") factor = 0.5f;
                else if (parameter.ToString() == "-0.5") factor = -0.5f;

            return PixelToMeter.Instance.calc.PixelsToMeters(pixels) * factor;
        }
    }

    public class DistanceToMarginConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is double distance)
            {
                return new Thickness(0, 0, 0, PixelToMeter.Instance.calc.MetersToPixels((float)distance)); // Ajustar Bottom a 'distance'
            }
            return new Thickness();
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException("ConvertBack is not supported.");
        }
    }

    public class UnitConverter
    {
        // La escala representa cuántos metros hay en un píxel
        public float Scale { get; private set; }


        public UnitConverter(float scale)
        {
            if (scale <= 0)
                throw new ArgumentException("Scale must be greater than zero.");

            Scale = scale;
        }

        // Convierte una distancia en metros a píxeles
        public float MetersToPixels(float meters)
        {
            return meters / Scale;
        }

        // Convierte una distancia en píxeles a metros
        public float PixelsToMeters(float pixels)
        {
            return pixels * Scale;
        }

        // Configurar o ajustar la escala
        public void SetScale(float newScale)
        {
            if (newScale <= 0)
                throw new ArgumentException("Scale must be greater than zero.");

            Scale = newScale;
        }
    }


}