// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
using Microsoft.CodeAnalysis.LanguageServer;
 
namespace Microsoft.CodeAnalysis.ExternalAccess.Razor;
 
internal static class RazorUri
{
    public static Uri CreateAbsoluteUri(string absolutePath)
        => ProtocolConversions.CreateAbsoluteUri(absolutePath);
 
    public static string GetDocumentFilePathFromUri(Uri uri)
        => ProtocolConversions.GetDocumentFilePathFromUri(uri);
 
    public static bool IsGeneratedDocumentUri(Uri generatedDocumentUri)
        => generatedDocumentUri.Scheme == SourceGeneratedDocumentUri.Scheme;
 
    [Obsolete("Switch to GetIdentityFromGeneratedDocumentUri. This method will be removed in future.")]
    public static string GetHintNameFromGeneratedDocumentUri(Solution solution, Uri generatedDocumentUri)
    {
        return GetIdentityOfGeneratedDocument(solution, generatedDocumentUri).HintName;
    }
 
    public static RazorGeneratedDocumentIdentity GetIdentityOfGeneratedDocument(Solution solution, Uri generatedDocumentUri)
    {
        Contract.ThrowIfFalse(IsGeneratedDocumentUri(generatedDocumentUri));
 
        if (SourceGeneratedDocumentUri.DeserializeIdentity(solution, generatedDocumentUri) is not { } identity)
        {
            throw new InvalidOperationException($"Could not deserialize Uri into a source generated Uri: {generatedDocumentUri}");
        }
 
        // Razor only cares about documents from its own generator, but it's better to just send them back the info they
        // need to check on their side, so we can avoid dual insertions if anything changes.
        return new RazorGeneratedDocumentIdentity(
            identity.DocumentId,
            identity.HintName,
            identity.FilePath,
            identity.Generator.AssemblyName,
            identity.Generator.AssemblyPath,
            identity.Generator.AssemblyVersion,
            identity.Generator.TypeName);
    }
}