03. Concert

namespace _03.Concert;

internal class Program
{
    static void Main(string[] args)
    {
        string command;

        int totalTime = 0;

        Dictionary<string, int> bandTime = new();

        Dictionary<string, List<string>> bandMembers = new();

        while ( (command = Console.ReadLine()) != "Start!" )
        {
            string[] input = command.Split("; ", StringSplitOptions.RemoveEmptyEntries);

            string action = input[0];

            string band = input[1];

            if (action == "Add")
            {
                List<string> members = input[2].Split(", ").ToList();

                if (!bandMembers.ContainsKey(band))
                {
                    bandMembers.Add(band, new List<string>());
                }

                for (int i = 0; i < members.Count; i++)
                {
                    if (!bandMembers[band].Contains(members[i]))
                    {
                        bandMembers[band].Add(members[i]);
                    }
                }
            }

            else if (action == "Play")
            {
                int time = int.Parse(input[2]);

                totalTime += time;

                if (!bandTime.ContainsKey(band))
                {
                    bandTime.Add(band, time);
                }

                else
                {
                    bandTime[band] += time;
                }
            }
        }

        Console.WriteLine($"Total time: {totalTime}");

        foreach (KeyValuePair<string, int> band in bandTime)
        {
            Console.WriteLine($"{band.Key} -> {band.Value}");
        }

        KeyValuePair<string, List<string>> firstBand = bandMembers.FirstOrDefault();

        if (firstBand.Key != null)
        {
            Console.WriteLine(firstBand.Key);

            Console.WriteLine("=> " + string.Join(Environment.NewLine + "=> ", firstBand.Value));
        }
    }
}