/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

    dnSpy is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dnSpy is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;
using System.Collections.Generic;
using dnSpy.AsmEditor.Hex.PE;
using dnSpy.AsmEditor.Properties;
using dnSpy.Contracts.Documents.TreeView;
using dnSpy.Contracts.Hex;
using dnSpy.Contracts.Images;
using dnSpy.Contracts.Text;

namespace dnSpy.AsmEditor.Hex.Nodes {
	sealed class ImageSectionHeaderNode : HexNode {
		public override Guid Guid => new Guid(DocumentTreeViewConstants.IMGSECTHEADER_NODE_GUID);
		public override NodePathName NodePathName => new NodePathName(Guid, SectionNumber.ToString());
		public override object VMObject => imageSectionHeaderVM;

		protected override IEnumerable<HexVM> HexVMs {
			get { yield return imageSectionHeaderVM; }
		}

		protected override ImageReference IconReference => DsImages.BinaryFile;
		public int SectionNumber { get; }

		readonly ImageSectionHeaderVM imageSectionHeaderVM;

		public ImageSectionHeaderNode(ImageSectionHeaderVM sectHdr, int sectionNumber)
			: base(sectHdr.Span) {
			SectionNumber = sectionNumber;
			imageSectionHeaderVM = sectHdr;
		}

		public override void OnBufferChanged(NormalizedHexChangeCollection changes) {
			base.OnBufferChanged(changes);
			if (changes.OverlapsWith(imageSectionHeaderVM.NameVM.Span))
				TreeNode.RefreshUI();
		}

		protected override void WriteCore(ITextColorWriter output, DocumentNodeWriteOptions options) {
			output.Write(BoxedTextColor.HexPeSection, dnSpy_AsmEditor_Resources.HexNode_PE_Section);
			output.WriteSpace();
			output.Write(BoxedTextColor.Operator, "#");
			output.Write(BoxedTextColor.Number, SectionNumber.ToString());
			output.Write(BoxedTextColor.Punctuation, ":");
			output.WriteSpace();
			output.Write(BoxedTextColor.HexPeSectionName, imageSectionHeaderVM.NameVM.String);
		}
	}
}