using Microsoft.AspNetCore.Components.Authorization;

namespace OrdersManagement.Services;

public class ServiceBase<T> where T : class
{
    private readonly AuthenticationStateProvider _authenticationStateProvider;
    private readonly HttpClient _httpClient;

    protected ServiceBase(IHttpClientFactory httpClientFactory, AuthenticationStateProvider authenticationStateProvider)
    {
        _authenticationStateProvider = authenticationStateProvider;
        _httpClient = httpClientFactory.CreateClient("FaKrosnoApi");

        _ = Configure();
    }
    
    protected async Task<IEnumerable<T>?> GetListAsync(string request)
    {
        var response = await _httpClient.GetAsync(request);
        response.EnsureSuccessStatusCode();
        return await response.Content.ReadFromJsonAsync<IEnumerable<T>>();
    }
    
    protected async Task<T?> GetByIdAsync(string request)
    {
        var response = await _httpClient.GetAsync(request);
        response.EnsureSuccessStatusCode();
        return await response.Content.ReadFromJsonAsync<T>();
    }

    protected async Task<HttpResponseMessage> PostAsync(string request)
    {
        var response = await _httpClient.PostAsync(request, null);
        response.EnsureSuccessStatusCode();
        return response;
    }

    private async Task Configure()
    {
        var token = await GetToken();

        _httpClient.DefaultRequestHeaders.Authorization =
            new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
    }
    
    private async Task<string?> GetToken()
    {
        await ((CustomAuthenticationStateProvider)_authenticationStateProvider).InitializeAsync();
        return ((CustomAuthenticationStateProvider)_authenticationStateProvider).GetToken();
    }
}