using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Soap;

namespace HostMgd.Samples
{

    /// <summary>
    /// Settings info
    /// </summary>
    [Serializable]
    public class Preferences
    {

        public Preferences()
        {
            Point = true;
            Tab = true;
            Space = true;
            Semicolon = true;
            CultureName = "";
            Filter = "txt files (*.txt)|*.txt|csv files (*.csv)|*.csv";
        }

        Boolean point, comma, space, tab, semicolon;
        String cultureName, filter;

        public Boolean Point
        {
            get { return point; }
            set { point = value; comma = !value; }
        }

        public Boolean Comma
        {
            get { return comma; }
            set { comma = value; point = !value; }
        }

        public Boolean Space
        {
            get { return space; }
            set { space = value; }
        }

        public Boolean Tab
        {
            get { return tab; }
            set { tab = value; }
        }

        public Boolean Semicolon
        {
            get { return semicolon; }
            set { semicolon = value; }
        }

        public String CultureName
        {
            get { return cultureName; }
            set { cultureName = value; }
        }

        public String Filter
        {
            get { return filter; }
            set { filter = value; }
        }

        static readonly String fileName = Path.Combine(Path.GetDirectoryName(
            typeof(Preferences).Assembly.Location), "settings.xml");

        public void Save()
        {
            Stream stream = File.Open(fileName, FileMode.Create);
            SoapFormatter formatter = new SoapFormatter();
            formatter.Serialize(stream, this);
            stream.Close();
        }

        public Char[] GetSpaces()
        {
            List<Char> spaces = new List<Char>();
            if (Tab)
                spaces.Add('\t');
            if (Space)
                spaces.Add(' ');
            if (Semicolon)
                spaces.Add(';');
            return spaces.ToArray();
        }

        public static Preferences Open()
        {
            if (!File.Exists(fileName))
                return new Preferences();

            Stream stream = File.Open(fileName, FileMode.Open);
            SoapFormatter formatter = new SoapFormatter();
            Preferences result = null;
            result = (Preferences)formatter.Deserialize(stream);
            stream.Close();
            return result;
        }
    }
}