using System.Text;

namespace RadicadeServer.RecNet.Avatar;

public static class AvatarItemDescription
{
    public static string Normalize(string? description)
    {
        if (string.IsNullOrWhiteSpace(description))
        {
            return description?.Trim() ?? string.Empty;
        }

        var trimmed = description.Trim();
        var segments = trimmed.Split(',');
        if (segments[0].Length == 0)
        {
            return trimmed;
        }

        var hasEmptySlot = false;
        for (var index = 1; index < segments.Length - 1; index++)
        {
            if (segments[index].Length == 0)
            {
                hasEmptySlot = true;
                break;
            }
        }

        if (!hasEmptySlot)
        {
            return trimmed;
        }

        var builder = new StringBuilder(segments[0]).Append(',');
        for (var index = 1; index < segments.Length; index++)
        {
            var material = segments[index].Trim();
            if (material.Length == 0)
            {
                continue;
            }

            builder.Append(material).Append(',');
        }

        return builder.ToString();
    }

    public static bool HasEmptyMaterialSlot(string? description)
    {
        if (string.IsNullOrWhiteSpace(description))
        {
            return false;
        }

        var segments = description.Trim().Split(',');
        for (var index = 1; index < segments.Length - 1; index++)
        {
            if (segments[index].Length == 0)
            {
                return true;
            }
        }

        return false;
    }
}