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using System.Text.RegularExpressions;

namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;

public class ConnectionBend : DrinkingWaterHeatingFitting
{
	private static readonly int[] lengths = new [] { 250, 500, 1000 };
	private static readonly Regex _pattern = 
		new(@"([\b\D]|^)?(?<Diameter>16|20|25)(\D+|.*15.*)(?<Length>\b\d{3,4})([\b\D]|$)");
	protected override string _title => "Трубка Г-образная";

	protected override string? BuildRhSolutionsName(string query)
	{
		var match = _pattern.Match(query);
		if (!match.Success)
		{
			return null;
		}
		string diameter =  match.Groups["Diameter"].Value;
		int length = int.Parse(match.Groups["Length"].Value);
		int nearest = lengths.OrderBy(x => Math.Abs(x - length)).First();
		return $"{_title} {diameter}/{nearest}";
	}
}