using skydiveLogs_api.Domain;
using skydiveLogs_api.DomainBusiness.Interfaces;
using skydiveLogs_api.DomainService.Repositories;
using System.Collections.Generic;
using System.Linq;

namespace skydiveLogs_api.DomainBusiness
{
    public class StatsByByAircraftService : IStatsByAircraftService
    {
        #region Public Constructors

        public StatsByByAircraftService(IJumpService jumpService,
                                        IIdentityService identityService,
                                        IStatsByAircraftRepository statsByAircraftRepository)
        {
            _jumpService = jumpService;
            _identityService = identityService;
            _statsByAircraftRepository = statsByAircraftRepository;
        }

        #endregion Public Constructors

        #region Public Methods

        public IEnumerable<Statistic> GetStats()
        {
            // var allStats = GetAllStats();
            // if (!allStats.ByDz.Any())
            // {
            //     var allJumps = _jumpService.GetAllJumps();
            //     var results = new List<Statistic>();

            //     if (allJumps.Any())
            //     {
            //         results = [.. allJumps.GroupBy(j => j.DropZone.Name,
            //                                    j => j,
            //                                    (groupby, jumps) => new Statistic
            //                                    {
            //                                        Label = groupby.ToString(),
            //                                        Nb = jumps.Count()
            //                                    })];
            //     }

            //     allStats.ByDz = results;
            //     _userStatsRepository.Update(allStats);
            // }

            // return allStats.ByDz;
            return null;
        }

        // public void Reset()
        // {
        //     var resetStats = new UserStats();
        //     var myStats = GetAllStats();
        //     myStats.ByAircraft = resetStats.ByAircraft;
        //     myStats.ByDz = resetStats.ByDz;
        //     myStats.ByGear = resetStats.ByGear;
        //     myStats.ByJumpType = resetStats.ByJumpType;
        //     myStats.ByYear = resetStats.ByYear;
        //     myStats.ForLastMonthByDz = resetStats.ForLastMonthByDz;
        //     myStats.ForLastMonthByJumpType = resetStats.ForLastMonthByJumpType;
        //     myStats.ForLastYearByDz = resetStats.ForLastYearByDz;
        //     myStats.ForLastYearByJumpType = resetStats.ForLastYearByJumpType;
        //     myStats.ByYearByJumpType = resetStats.ByYearByJumpType;

        //     _userStatsRepository.Update(myStats);
        // }

        #endregion Public Methods

        #region Private Methods

        private UserStats GetAllStats()
        {
            var allStats = _statsByAircraftRepository.GetAll(_identityService.ConnectedUser);
            if (allStats == null)
            {
                allStats = new UserStats
                {
                    User = _identityService.ConnectedUser
                };
                _statsByAircraftRepository.Add(allStats);
            }

            return allStats;
        }

        #endregion Private Methods

        #region Private Fields

        private readonly IIdentityService _identityService;
        private readonly IJumpService _jumpService;
        private readonly IStatsByAircraftRepository _statsByAircraftRepository;

        #endregion Private Fields
    }
}