using AsbCloudApp.Requests;
using AsbCloudApp.Services;
using AsbCloudInfrastructure.Background;
using AsbCloudWebApi.SignalR.Clients;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudWebApi.SignalR;

// SignalR manual:
// https://docs.microsoft.com/ru-ru/aspnet/core/signalr/introduction?view=aspnetcore-5.0
//[SignalRHub]
/// <summary>
/// ReportsHub
/// </summary>
[Authorize]
public class ReportsHub : BaseHub<IReportHubClient>
{
    private readonly IWellService wellService;
    private readonly IReportService reportService;

    public ReportsHub(IWellService wellService, IReportService reportService)
    {
        this.wellService = wellService;
        this.reportService = reportService;
    }

    /// <summary>
    /// Добавление в группу, отправка данных о формировании отчета
    /// </summary>
    /// <param name="groupName">группа</param>
    /// <param name="idWell">ключ скважины</param>
    /// <param name="request">параметры запроса</param>
    /// <returns></returns>
    public async Task CreateReport(string groupName, int idWell, ReportParametersRequest request)
    {
        var idUser = Context.User?.GetUserId();
        var idCompany = Context.User?.GetCompanyId();

        if ((idCompany is null) || (idUser is null))
            return;

        if (!await wellService.IsCompanyInvolvedInWellAsync((int)idCompany, idWell, CancellationToken.None))
            return;

        await base.AddToGroup(groupName);

        void HandleReportProgressAsync(object progress, string id) =>
            Task.Run(async () =>
            {
                await Clients.Group(groupName)
                .GetReportProgress(progress, CancellationToken.None);
            }, CancellationToken.None);

        var id = reportService.EnqueueCreateReportWork(idWell, (int)idUser, request, HandleReportProgressAsync);
    }
}