// 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;
using System.Collections.Immutable;
using System.Linq;
using System.Windows.Documents;
using Microsoft.CodeAnalysis.Classification;
using Microsoft.CodeAnalysis.Editor.Shared.Extensions;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.VisualStudio.LanguageServices.Utilities;
using Microsoft.VisualStudio.Text.Classification;
 
namespace Microsoft.VisualStudio.LanguageServices.StackTraceExplorer;
 
internal abstract class FrameViewModel
{
    private readonly IClassificationFormatMap _formatMap;
    private readonly ClassificationTypeMap _classificationTypeMap;
 
    public abstract bool ShowMouseOver { get; }
 
    public FrameViewModel(IClassificationFormatMap formatMap, ClassificationTypeMap typeMap)
    {
        _formatMap = formatMap;
        _classificationTypeMap = typeMap;
    }
 
    public ImmutableArray<Inline> Inlines => CreateInlines().ToImmutableArray();
 
    protected abstract IEnumerable<Inline> CreateInlines();
 
    protected Run MakeClassifiedRun(string classificationName, string text)
    {
        var classifiedText = new ClassifiedText(classificationName, text);
        return classifiedText.ToRun(_formatMap, _classificationTypeMap);
    }
 
    public string AutomationName => string.Join("", Inlines.Select(InlineExtensions.GetText));
 
    /// <summary>
    /// By default datatemplates in WPF bind AutomationName to the tostring() of 
    /// the data item. It's possible to fix this with some XAML trickery, but
    /// easy enough to just override the ToString() here and provide something 
    /// that makes sense. See https://docs.microsoft.com/en-us/windows/apps/design/controls/item-templates-listview
    /// for more information.
    /// </summary>
    public override string ToString() => AutomationName;
}