// 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 Microsoft.CodeAnalysis.Text;

namespace Microsoft.CodeAnalysis.ExternalAccess.OmniSharp.Structure;

internal readonly struct OmniSharpBlockSpan
{
    private const string Ellipses = "...";

    /// <summary>
    /// Whether or not this span can be collapsed.
    /// </summary>
    public bool IsCollapsible { get; }

    /// <summary>
    /// The span of text to collapse.
    /// </summary>
    public TextSpan TextSpan { get; }

    /// <summary>
    /// The span of text to display in the hint on mouse hover.
    /// </summary>
    public TextSpan HintSpan { get; }

    /// <summary>
    /// The text to display inside the collapsed region.
    /// </summary>
    public string BannerText { get; }

    /// <summary>
    /// Whether or not this region should be automatically collapsed when the 'Collapse to Definitions' command is invoked.
    /// </summary>
    public bool AutoCollapse { get; }

    /// <summary>
    /// Whether this region should be collapsed by default when a file is opened the first time.
    /// </summary>
    public bool IsDefaultCollapsed { get; }

    public string Type { get; }

#pragma warning disable RS0059 // Do not add multiple public overloads with optional parameters
    public OmniSharpBlockSpan(
#pragma warning restore RS0059 // Do not add multiple public overloads with optional parameters
        string type, bool isCollapsible, TextSpan textSpan, string bannerText = Ellipses, bool autoCollapse = false, bool isDefaultCollapsed = false)
        : this(type, isCollapsible, textSpan, textSpan, bannerText, autoCollapse, isDefaultCollapsed)
    {
    }

#pragma warning disable RS0059 // Do not add multiple public overloads with optional parameters
    public OmniSharpBlockSpan(
#pragma warning restore RS0059 // Do not add multiple public overloads with optional parameters
        string type, bool isCollapsible, TextSpan textSpan, TextSpan hintSpan, string bannerText = Ellipses, bool autoCollapse = false, bool isDefaultCollapsed = false)
    {
        TextSpan = textSpan;
        BannerText = bannerText;
        HintSpan = hintSpan;
        AutoCollapse = autoCollapse;
        IsDefaultCollapsed = isDefaultCollapsed;
        IsCollapsible = isCollapsible;
        Type = type;
    }

    public override string ToString()
    {
        return this.TextSpan != this.HintSpan
            ? $"{{Span={TextSpan}, HintSpan={HintSpan}, BannerText=\"{BannerText}\", AutoCollapse={AutoCollapse}, IsDefaultCollapsed={IsDefaultCollapsed}}}"
            : $"{{Span={TextSpan}, BannerText=\"{BannerText}\", AutoCollapse={AutoCollapse}, IsDefaultCollapsed={IsDefaultCollapsed}}}";
    }
}