Parking/Assets/Scripts/DataImporter.cs

using System.Collections.Generic;
using System.IO;

namespace Parking
{
    public class DataImporter
    {
        public static List<Driver> Drivers = new();

        public static void ReadFile(string path)
        {
            var fileData = File.ReadAllText(path);
            var lines = fileData.Split("\n"[0]);
            var counter = 0;
            foreach (var line in lines)
            {
                if (counter == 0)
                {
                    counter++;
                    continue;
                }

                var lineData = line.Trim().Split(',');
                var preference = lineData[0] == ""
                    ? ParkingPreference.Any
                    : lineData[0] == "P"
                        ? ParkingPreference.Front
                        : ParkingPreference.Back;
                Size size;
                switch (lineData[1])
                {
                    case "Mały":
                        size = Size.A;
                        break;
                    case "Średni":
                        size = Size.B;
                        break;
                    case "Duży":
                        size = Size.C;
                        break;
                    case "Max":
                        size = Size.D;
                        break;
                    default:
                        size = Size.A;
                        break;
                }

                Drivers.Add(new Driver(size, counter, preference));
                counter++;
            }
        }
    }
}