// 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.Generic;

namespace Microsoft.CodeAnalysis.Completion.Providers;

internal static class XmlDocCommentCompletionItem
{
    private const string BeforeCaretText = nameof(BeforeCaretText);
    private const string AfterCaretText = nameof(AfterCaretText);

    public static CompletionItem Create(string displayText, string beforeCaretText, string afterCaretText, CompletionItemRules rules)
    {
        // Set isComplexTextEdit to be always true for simplicity, even
        // though we don't always need to make change outside the default
        // completion list Span.
        // See AbstractDocCommentCompletionProvider.GetChangeAsync for how
        // the actual Span is calculated.
        return CommonCompletionItem.Create(
            displayText: displayText,
            displayTextSuffix: "",
            glyph: Glyph.Keyword,
            properties: [
                KeyValuePair.Create(BeforeCaretText, beforeCaretText),
                KeyValuePair.Create(AfterCaretText, afterCaretText)],
            rules: rules,
            isComplexTextEdit: true);
    }

    public static string GetBeforeCaretText(CompletionItem item)
        => item.GetProperty(BeforeCaretText);

    public static string? GetAfterCaretText(CompletionItem item)
        => item.GetProperty(AfterCaretText);
}