lambadaExpressions

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace lambadaExpressions_05
{
    class lambadaExpressions
    {
        static void Main(string[] args)
        {
            Dictionary<string, Dictionary<string, string>> lambadaExpressions = new Dictionary<string, Dictionary<string, string>>();

            string input = Console.ReadLine();
            int dance = 0;
            while (input != "lambada")
            {
                string[] extract = input.Split(new string[] { " => ", " ", "." }, StringSplitOptions.RemoveEmptyEntries);
                string selector = extract[0];
                if (selector == "dance")
                {
                    dance++;
                }
                else
                {
                    string selectorObject = extract[1];
                    string property = extract[2];
                    if (!lambadaExpressions.ContainsKey(selector))
                    {
                        lambadaExpressions.Add(selector, new Dictionary<string, string>());
                    }
                    if (!lambadaExpressions[selector].ContainsKey(selectorObject))
                    {

                        lambadaExpressions[selector].Add(selectorObject, property);
                    }
                    else
                    {
                        lambadaExpressions[selector][selectorObject] =  property;
                    }
                }
                input = Console.ReadLine();
            }

            foreach (KeyValuePair<string, Dictionary<string, string>> lambadaExpression in lambadaExpressions)
            {
                string selector = lambadaExpression.Key;
                Dictionary<string, string> selectorProperties = lambadaExpression.Value;
                Console.Write($"{selector} => ");
                foreach (var selectorProperty in selectorProperties)
                {
                    string selectorObject = selectorProperty.Key;
                    for (int i = 0; i < dance ; i++)
                    {
                        selectorObject += "." + selectorProperty.Key;
                    }

                    string property = selectorProperty.Value;
                    Console.WriteLine($"{selectorObject}.{property}");
                }
            }
        }
    }
}