using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NexusPowerControl
{

    

    public interface IThemeLoader
    {
        bool LoadThemeOrDefault(string ThemeName);
        //bool LoadCustomTheme(string ThemeName, string ThemeXml);
        ThemeLoader.ThemeDefinition GetLoadedTheme();
    }
    public class ThemeLoader : IThemeLoader
    {
        
        private ThemeLoader.ThemeDefinition LoadedTheme;
        public ThemeLoader()
        {
            this.LoadedTheme = new ThemeDefinition();
            this.LoadThemeOrDefault(ThemeDefinition.DefaultTheme);
        }
        #region IThemeLoader Members
        public bool LoadThemeOrDefault(string ThemeName)
        {
            this.LoadedTheme = new ThemeDefinition(ThemeName);
            return LoadedTheme.ThemeLoaded;
        }
        public ThemeLoader.ThemeDefinition GetLoadedTheme()
        {
            return (this.LoadedTheme == null) ? new ThemeDefinition() : this.LoadedTheme;
        }
        #endregion

        #region sub-classes
        public class ThemeDefinition
        {
            private const string ThemeDirectory = "theme";

            public const string DefaultTheme = "AeroLowRes";
            public ThemeDefinition() : this(ThemeDefinition.DefaultTheme) { }
            public ThemeDefinition(string ThemeXml) { this.LoadTheme(ThemeXml); }

            private void LoadTheme(string theme) { if (theme.ToLower().Contains(".xml")) { this.LoadCustomTheme(theme); } else { this.LoadStandardTheme(theme); } }

            private void LoadStandardTheme(string theme)
            {
                // load theme in format: theme/<themname>/theme.xml : will throw file not found excetion (use default)
            }
            private void LoadCustomTheme(string theme)
            {
                // load theme in format: <theme xml file>: will throw file not found excetion (use default)
            }
            public bool ThemeLoaded { get; set; }
        }
        #endregion
    }
}