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

namespace dealer
{
    public class DataManager
    {
        private List<Vehicle> vehicles = new List<Vehicle>();

        public void AddVehicle(Vehicle vehicle)
        {
            vehicles.Add(vehicle);
        }

        public IEnumerable<Vehicle> GetAllVehicles()
        {
            return vehicles;
        }

        public void RemoveVehicle(Vehicle vehicle)
        {
            vehicles.Remove(vehicle);
        }

        public void Save()
        {
            // Implementace ukládání dat do souboru - JSON
            var json = System.Text.Json.JsonSerializer.Serialize(vehicles);
            System.IO.File.WriteAllText("vehicles.json", json);
        }

        public void Load()
        {
            string path = "vehicles.json";

            // Implementace načítání dat ze souboru - JSON
            if (System.IO.File.Exists(path))
            {
                var json = System.IO.File.ReadAllText(path);
                vehicles = System.Text.Json.JsonSerializer.Deserialize<List<Vehicle>>(json) ?? new List<Vehicle>();
            }
        }
    }
}