using System.Net;

using collAnon.Client.Services;

using decePubClient.Extensions;
using decePubClient.Models;

using PrivaPub.ClientModels.Group;

namespace decePubClient.Services
{
	/// <summary>The communities and circles a persona belongs to (/clientapi/group/list).</summary>
	public class GroupService(IHttpService httpService, ILoggingService logger, CoalescingStringLocalizer localizer)
	{
		/// <summary>The persona's groups, communities first; empty on failure.</summary>
		public async Task<List<ViewGroup>> List(string personaId, CancellationToken cancellationToken = default)
		{
			if (personaId is null)
				return [];

			using var response = await httpService.Get(APIs.ClientApi.GET_Groups, [$"avatarId={Uri.EscapeDataString(personaId)}"],
				cancellationToken: cancellationToken);
			if (!response.IsSuccessStatusCode)
			{
				var result = await response.Content.ReadWebResult(response.StatusCode, localizer, cancellationToken);
				if (result.StatusCode is not (int)HttpStatusCode.Gone)
					await logger.ProcessWarning(result.ToString(localizer), $"{nameof(GroupService)}.{nameof(List)}", cancellationToken);
				return [];
			}

			var groups = await response.DefaultReadFromJsonAsync<List<ViewGroup>>(cancellationToken) ?? [];
			return [.. groups.OrderByDescending(g => g.IsCommunity).ThenBy(g => g.Name ?? g.UserName)];
		}
	}
}