Crypto ZH

namespace Crypto
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string[] csv = File.ReadAllLines("orca_share_media1698959993691_7125954697380197571.csv");

            List<string> datum = new List<string>();
            List<string> name = new List<string>();
            List<double> open = new List<double>();
            List<double> close = new List<double>();

            for (int i = 1; i < csv.Length; i++)
            {
                string[] line = csv[i].Split(';');
                datum.Add(line[0]);
                name.Add(line[1]);
                open.Add(Convert.ToDouble(line[2].Replace('.', ',')));
                close.Add(Convert.ToDouble(line[3].Replace('.', ',')));
            }



            Console.Write("Év és hónap kötőjellel: ");
            string evhonap = Console.ReadLine();
            List<string> temp = new List<string>();
            for (int i = 0; i < datum.Count; i++)
            {
                //temp.Add(datum[i].Remove(7));
                string[] line = datum[i].Split("-");
                temp.Add(line[0] + "-" + line[1]);
            }
            for (int i = 0; i < temp.Count; i++)
            {
                if (temp[i] == evhonap)
                {
                    Console.WriteLine($"{datum[i]} {name[i]} {close[i] - open[i]}");
                }
            }



            Console.Write("\nKirptovluat neve: ");
            string kriptonev = Console.ReadLine();
            double avgNyito = 0;
            double avgZaro = 0;
            double avgdb = 0;

            for (int i = 0; i < name.Count; i++)
            {
                if (name[i] == kriptonev)
                {
                    avgNyito += open[i];
                    avgZaro += close[i];
                    avgdb++;
                }
            }
            Console.WriteLine($"Átlag nyitó ármfolyam: {avgNyito/avgdb}\nÁtlag záró árfolyam: {avgZaro/avgdb}");



            List<double> szazalek = new List<double>();
            double max = (close[0] - open[0]) / open[0];
            int maxindex = 0;
            for (int i = 0; i < name.Count; i++)
            {
                szazalek.Add((close[i] - open[i]) / open[i]);
            }
            for (int i = 0; i < name.Count; i++)
            {
                if (max < szazalek[i])
                {
                    max = szazalek[i];
                    maxindex = i;
                }
            }
            Console.WriteLine($"\nMaximális a napi változás: {datum[maxindex]} {name[maxindex]}");
        }
    }
}