using System;
using System.ComponentModel;
using System.IO;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Xml.Serialization;

namespace CodeMerger
{
    public class Settings : INotifyPropertyChanged
    {
        private static readonly string SettingsFilePath = Path.Combine(
            Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
            "CodeMerger",
            "settings.xml");

        #region Propiedades de Ventana

        private double _windowWidth = 1200;
        private double _windowHeight = 800;
        private double _windowLeft = 100;
        private double _windowTop = 100;
        private WindowState _windowState = WindowState.Normal;

        public double WindowWidth
        {
            get => _windowWidth;
            set
            {
                if (_windowWidth != value)
                {
                    _windowWidth = value;
                    OnPropertyChanged();
                }
            }
        }

        public double WindowHeight
        {
            get => _windowHeight;
            set
            {
                if (_windowHeight != value)
                {
                    _windowHeight = value;
                    OnPropertyChanged();
                }
            }
        }

        public double WindowLeft
        {
            get => _windowLeft;
            set
            {
                if (_windowLeft != value)
                {
                    _windowLeft = value;
                    OnPropertyChanged();
                }
            }
        }

        public double WindowTop
        {
            get => _windowTop;
            set
            {
                if (_windowTop != value)
                {
                    _windowTop = value;
                    OnPropertyChanged();
                }
            }
        }

        public WindowState WindowState
        {
            get => _windowState;
            set
            {
                if (_windowState != value)
                {
                    _windowState = value;
                    OnPropertyChanged();
                }
            }
        }

        #endregion

        #region Tamaños de Columnas

        private double _firstColumnWidth = 400;
        private double _secondColumnWidth = 400;
        private double _thirdColumnWidth = 400;

        public double FirstColumnWidth
        {
            get => _firstColumnWidth;
            set
            {
                if (_firstColumnWidth != value)
                {
                    _firstColumnWidth = value;
                    OnPropertyChanged();
                }
            }
        }

        public double SecondColumnWidth
        {
            get => _secondColumnWidth;
            set
            {
                if (_secondColumnWidth != value)
                {
                    _secondColumnWidth = value;
                    OnPropertyChanged();
                }
            }
        }

        public double ThirdColumnWidth
        {
            get => _thirdColumnWidth;
            set
            {
                if (_thirdColumnWidth != value)
                {
                    _thirdColumnWidth = value;
                    OnPropertyChanged();
                }
            }
        }

        #endregion

        #region Carga y Guardado

        public static Settings Load()
        {
            try
            {
                // Asegurarse de que el directorio existe
                string directory = Path.GetDirectoryName(SettingsFilePath);
                if (!Directory.Exists(directory))
                {
                    Directory.CreateDirectory(directory);
                }

                // Cargar configuración si existe
                if (File.Exists(SettingsFilePath))
                {
                    using (var stream = File.OpenRead(SettingsFilePath))
                    {
                        var serializer = new XmlSerializer(typeof(Settings));
                        return (Settings)serializer.Deserialize(stream);
                    }
                }
            }
            catch (Exception)
            {
                // En caso de error, devolver configuración por defecto
            }

            return new Settings();
        }

        public void Save()
        {
            try
            {
                string directory = Path.GetDirectoryName(SettingsFilePath);
                if (!Directory.Exists(directory))
                {
                    Directory.CreateDirectory(directory);
                }

                using (var stream = File.Create(SettingsFilePath))
                {
                    var serializer = new XmlSerializer(typeof(Settings));
                    serializer.Serialize(stream, this);
                }
            }
            catch (Exception)
            {
                // Manejar error de guardado
            }
        }

        #endregion

        #region INotifyPropertyChanged

        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }

        #endregion
    }
}