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// 
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// 
// The above copyright notice and this permission notice shall be included in all copies or
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// 
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using ICSharpCode.NRefactory.CSharp;
using ICSharpCode.NRefactory.CSharp.Resolver;
using ICSharpCode.NRefactory.CSharp.TypeSystem;
using ICSharpCode.NRefactory.Editor;
using ICSharpCode.NRefactory.TypeSystem;

namespace ICSharpCode.NRefactory.ConsistencyCheck
{
	public class CSharpFile
	{
		public readonly CSharpProject Project;
		public readonly string FileName;
		public readonly string OriginalText;
		
		public SyntaxTree SyntaxTree;
		public CSharpUnresolvedFile UnresolvedTypeSystemForFile;
		
		public CSharpFile(CSharpProject project, string fileName)
		{
			this.Project = project;
			this.FileName = fileName;
			
			CSharpParser p = new CSharpParser(project.CompilerSettings);
//			using (var stream = File.OpenRead(fileName)) {
//				this.CompilationUnit = p.Parse(stream, fileName);
//			}
			
			// Keep the original text around; we might use it for a refactoring later
			this.OriginalText = File.ReadAllText(fileName);
			this.SyntaxTree = p.Parse(this.OriginalText, fileName);
			this.SyntaxTree.Freeze(); // the various tests shouldn't modify the AST shared by all tests
			
			if (p.HasErrors) {
				Console.WriteLine("Error parsing " + fileName + ":");
				foreach (var error in p.ErrorsAndWarnings) {
					Console.WriteLine("  " + error.Region + " " + error.Message);
				}
			}
			this.UnresolvedTypeSystemForFile = this.SyntaxTree.ToTypeSystem();
		}
		
		public CSharpAstResolver CreateResolver()
		{
			return new CSharpAstResolver(Project.Compilation, SyntaxTree, UnresolvedTypeSystemForFile);
		}
	}
}