mfgames-cil/src/MfGames.Markdown/Exceptions/MarkdownHeaderOutOfRangeException.cs

namespace MfGames.Markdown.Exceptions;

public class MarkdownHeaderOutOfRangeException : Exception
{
    public MarkdownHeaderOutOfRangeException(int oldLevel, int newLevel)
        : this(FormatMessage(oldLevel, newLevel))
    {
        this.OldLevel = oldLevel;
        this.NewLevel = newLevel;
    }

    public MarkdownHeaderOutOfRangeException()
        : base() { }

    public MarkdownHeaderOutOfRangeException(string? message)
        : base(message) { }

    public MarkdownHeaderOutOfRangeException(int oldLevel, int newLevel, Exception? innerException)
        : base(FormatMessage(oldLevel, newLevel), innerException) { }

    public MarkdownHeaderOutOfRangeException(string? message, Exception? innerException)
        : base(message, innerException) { }

    public int NewLevel { get; }

    public int OldLevel { get; }

    private static string FormatMessage(int oldLevel, int newLevel)
    {
        return string.Format(
            "Cannot change the Markdown heading level from {0} to {1}.",
            oldLevel,
            newLevel
        );
    }
}