//	Spludlow Software
//	Copyright © Samuel P. Ludlow 2020 All Rights Reserved
//	Distributed under the terms of the GNU General Public License version 3
//	Distributed WITHOUT ANY WARRANTY; without implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
//	https://www.spludlow.co.uk/LICENCE.TXT
//	The Spludlow logo is a registered trademark of Samuel P. Ludlow and may not be used without permission
//	v1.14

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

using System.Drawing;

namespace Spludlow.Drawing
{
	public class FontInfo
	{
		public string Name;
		public bool UniCode;
		public float Size;
		public FontStyle FontStyles;

		public FontInfo(string fontInfoText)
		{
			string[] words = Spludlow.Text.Split(fontInfoText, ',', true, false);

			if (words.Length < 2)
				throw new ApplicationException("FontInfo; Must have at least 2 words 'name, size': " + fontInfoText);

			this.Name = words[0];

			this.UniCode = false;
			if (this.Name.EndsWith("*") == true)
			{
				this.Name = this.Name.Substring(0, this.Name.Length - 1);
				this.UniCode = true;
			}
			
			try
			{
				this.Size = Single.Parse(words[1]);
			}
			catch (Exception ee)
			{
				throw new ApplicationException("FontInfo; Bad Point size: " + words[1], ee);
			}
			

			this.FontStyles = FontStyle.Regular;

			for (int index = 2; index < words.Length; ++index)
			{
				try
				{
					FontStyle fontStyle = (FontStyle)Enum.Parse(typeof(FontStyle), words[index]);

					this.FontStyles |= fontStyle;
				}
				catch (Exception ee)
				{
					throw new ApplicationException("FontInfo; Bad font style: " + words[index], ee);
				}
			}
		}

		public string NameWithStyle()
		{
			StringBuilder result = new StringBuilder(this.Name);

			if (this.FontStyles.HasFlag(FontStyle.Bold) == true)
				result.Append(", Bold");

			if (this.FontStyles.HasFlag(FontStyle.Italic) == true)
				result.Append(", Italic");

			return result.ToString();
		}

		public void RemoveBoldItalic()
		{
			this.FontStyles &= ~FontStyle.Bold;
			this.FontStyles &= ~FontStyle.Italic;
		}
	}
}