using System.Text.RegularExpressions;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Extensions;

namespace RhSolutions.QueryModifiers
{
	public class ElbowModifier : IProductQueryModifier
	{
		private string diameterPattern { get; } = @"([\b\D]|^)(?<Diameter>16|20|25|32|40|50|63)([\b\D]|$)";
		private string anglePattern { get; } = @"([\b\D]|^)(?<Angle>45|90)([\b\D]|$)";
		
		protected virtual string name {get;} = "Угольник RAUTITAN -PLATINUM";
		public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
		{
			queryString = QueryString.Empty;
			var query = collection["query"].ToString();
			if (string.IsNullOrEmpty(query))
			{
				return false;
			}
			var diameter = Regex.Match(query, diameterPattern);
			if (diameter.Success)			
			{
				var angle = Regex.Match(query, anglePattern);
				QueryBuilder qb = new()				
				{
					{"query", CreateName(angle, diameter)}
				};
				queryString = qb.ToQueryString();
				return true;
			}
			else			
			{
				return false;
			}
		}
		
		protected virtual string CreateName(Match angle, Match diameter)
		{
			return $"{name} {(angle.Success ? angle.Groups["Angle"].Captures.First() : 90)} {diameter.Groups["Diameter"].Captures.First()}";
		}
	}
	
	public class BendFormerHeating : ElbowModifier
	{
		protected override string name => "Фиксатор поворота без колец";
		protected override string CreateName(Match angle, Match diameter)
		{
			return $"{name} {(diameter.Groups["Diameter"].Captures.First().ToString() == "16" ? "16/17" : diameter.Groups["Diameter"].Captures.First())}/{(angle.Success ? angle.Groups["Angle"].Captures.First() : 90)}°";
		}
	}
}