using System.Collections.Generic;

namespace DevComponents.DotNetBar.Charts.Style
{
    ///<summary>
    /// VisualStylesTable
    ///</summary>
    public static class VisualStylesTable
    {
        private static Dictionary<ChartControlStyle, DefaultVisualStyles>
            _DefaultStyles = new Dictionary<ChartControlStyle, DefaultVisualStyles>();

        /// <summary>
        /// Gets the DefaultVisualStyles for specified Chart style.
        /// </summary>
        /// <param name="style">ChartControl Style to return.</param>
        /// <returns>An instance of DefaultVisualStyle.</returns>
        public static DefaultVisualStyles GetStyle(ChartControlStyle style)
        {
            DefaultVisualStyles visualStyle;
            bool cacheStyle = true;

            if (style == ChartControlStyle.Metro || !StyleManager.ColorTint.IsEmpty)
                cacheStyle = false;

            if (cacheStyle == false || !_DefaultStyles.TryGetValue(style, out visualStyle))
            {
                VisualStyleFactory factory = VisualStyleFactory.GetStyleFactory(style);

                visualStyle = factory.CreateStyle();

                if (cacheStyle) // Do not cache Metro style
                    _DefaultStyles.Add(style, visualStyle);
            }

            return visualStyle;
        }

        /// <summary>
        /// Replaces an system style with the specified visual style.
        /// </summary>
        /// <param name="style">ChartControlStyle to replace.</param>
        /// <param name="visualStyle">DefaultVisualStyles to replace the system style with.</param>
        public static void SetStyleFactory(ChartControlStyle style, DefaultVisualStyles visualStyle)
        {
            _DefaultStyles[style] = visualStyle;
        }
    }

    /// <summary>
    /// Defines available pre-defined ChartControl visual styles.
    /// </summary>
    public enum ChartControlStyle
    {
        /// <summary>
        /// Office 2010 Blue style.
        /// </summary>
        Office2010Blue,

        /// <summary>
        /// Office 2010 Silver style.
        /// </summary>
        Office2010Silver,

        /// <summary>
        /// Office 2010 Black style.
        /// </summary>
        Office2010Black,

        /// <summary>
        /// Metro Style.
        /// </summary>
        Metro
    }
}