03. Plant Discovery

using System;
using System.Linq;
using System.Collections.Generic;


namespace _03._Plant_Discovery
{
    class Plant
    {
        public int Rarity { get; set; }
        public List<int> Rating { get; set; }

        public Plant(int rar, List<int> arr)
        {
            Rarity = rar;
            Rating = arr;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            var plants = new Dictionary<string, Plant>();

            for (int i = 1; i <= n; i++)
            {
                string plantInput = Console.ReadLine();

                string name = plantInput.Split("<->")[0];
                int rarity = int.Parse(plantInput.Split("<->")[1]);
                if(plants.ContainsKey(name))
                {
                    plants[name].Rarity = rarity;
                }
                else
                {
                    Plant plant = new Plant(rarity, new List<int>());
                    plants.Add(name, plant);
                }
            }

            string input = string.Empty;

            while ((input = Console.ReadLine()) != "Exhibition")
            {
                if(input.Contains("Rate"))
                {
                    string name = input.Split()[1];
                    int grade = int.Parse(input.Split()[3]);

                    if(plants.ContainsKey(name))
                    {
                        plants[name].Rating.Add(grade);
                    }
                    else
                    {
                        Console.WriteLine("error");
                    }
                }
                else if(input.Contains("Update"))
                {
                    string name = input.Split()[1];
                    int rar = int.Parse(input.Split()[3]);

                    if(plants.ContainsKey(name))
                    {
                        plants[name].Rarity = rar;
                    }
                    else
                    {
                        Console.WriteLine("error");
                    }

                }
                else if (input.Contains("Reset"))
                {
                    string name = input.Split()[1];

                    if (plants.ContainsKey(name))
                    {
                        plants[name].Rating.Clear();
                    }
                    else
                    {
                        Console.WriteLine("error");
                    }
                }
                else
                {
                    Console.WriteLine("error");
                }
            }

            foreach (var item in plants)
            {
                if(item.Value.Rating.Count == 0)
                {
                    plants[item.Key].Rating.Add(0);
                }
            }
            plants = plants.OrderByDescending(x => x.Value.Rarity).ThenByDescending(x => x.Value.Rating.Average()).ToDictionary(a => a.Key, b => b.Value);

            Console.WriteLine("Plants for the exhibition:");

            foreach (var item in plants)
            {
                if(item.Value.Rating.Count == 0)
                {
                    Console.WriteLine($"- {item.Key}; Rarity: {item.Value.Rarity}; Rating: 0.00");
                    continue;
                }
                Console.WriteLine($"- {item.Key}; Rarity: {item.Value.Rarity}; Rating: {item.Value.Rating.Average() :f2}");
            }

        }
    }
}