using KSPMasterKey.Shared;
using System.Net.Http.Json;

namespace KSPMasterKey.Client.Services
{
    public class CustomersService : ICustomers
    {
        private readonly HttpClient _http;
        public List<Customer> Customers { get; set; } = new List<Customer>();

        public CustomersService(HttpClient http)
        {
            _http = http;
        }

        public async Task<Customer> GetCustomerAsync(int id)
        {
            Customer? customer = await _http.GetFromJsonAsync<Customer>($"api/Customer/{id}");
            if (customer != null)
            {
                return customer;
            }

            return new Customer();

        }

        public async Task<List<Customer>?> GetCustomersAsync()
        {
            if (Customers != null && Customers.Count == 0)
            {
                Customers = await _http.GetFromJsonAsync<List<Customer>>("api/Customer");
            }

            return Customers;
        }

        public async Task SaveCustomerAsync(int id, Customer customer)
        {
            CustomerRequest request = new ()
            {
                Id = id,
                customer = customer
            };

            await _http.PostAsJsonAsync("api/Customer", request);
        }
    }
}