using System.Collections.ObjectModel;
using Flurl.Http;
using Microsoft.Extensions.Logging;
using Piwigo.Client.Contract;

namespace Piwigo.Client;

public class CategoryApi : ICategoryApi
{
    private readonly IPiwigoContext _context;
    private readonly ILogger<CategoryApi> _logger;

    public CategoryApi(IPiwigoContext context, ILogger<CategoryApi> logger)
    {
        _context = context ?? throw new ArgumentNullException(nameof(context));
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }

    public async Task<IReadOnlyCollection<PiwigoCategory>> GetAllCategoriesAsync()
    {
        _logger.LogInformation("Getting all existing categories from server");
        var response = await _context.ConfigureRequest(_logger).PostMultipartAsync(c => c.AddMethod("pwg.categories.getList").AddString("recursive", "true"));
        var typedResponse = await response.GetJsonAsync<PiwigoResponse<PiwigoCategoryList>>();
        return new ReadOnlyCollection<PiwigoCategory>(typedResponse.Result.Categories);
    }
}