// 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.Collections.Immutable;
using Microsoft.CodeAnalysis.Features.EmbeddedLanguages.DateAndTime.LanguageServices;
using Microsoft.CodeAnalysis.Features.EmbeddedLanguages.Json.LanguageServices;
using Microsoft.CodeAnalysis.Features.EmbeddedLanguages.RegularExpressions.LanguageServices;

namespace Microsoft.CodeAnalysis.EmbeddedLanguages;

/// <summary>
/// Abstract implementation of the C# and VB embedded language providers.
/// </summary>
internal abstract class AbstractEmbeddedLanguagesProvider : IEmbeddedLanguagesProvider
{
    public EmbeddedLanguageInfo EmbeddedLanguageInfo { get; }
    public ImmutableArray<IEmbeddedLanguage> Languages { get; }

    protected AbstractEmbeddedLanguagesProvider(EmbeddedLanguageInfo info)
    {
        EmbeddedLanguageInfo = info;
        Languages = [new DateAndTimeEmbeddedLanguage(info), new RegexEmbeddedLanguage(this, info), new JsonEmbeddedLanguage()];
    }

    /// <summary>Escapes <paramref name="text"/> appropriately so it can be inserted into 
    /// <paramref name="token"/>.  For example if inserting `\p{Number}` into a normal C#
    /// string token, the `\` would have to be escaped into `\\`.  However in a verbatim-string
    /// literal (i.e. `@"..."`) it would not have to be escaped.
    /// </summary>
    /// <param name="token">The original string token that <paramref name="text"/> is being
    /// inserted into.</param>
    public abstract string EscapeText(string text, SyntaxToken token);
}