using AsbCloudApp.Data.GTR;
using AsbCloudApp.Services;
using AsbCloudApp.Services.WITS;
using AsbCloudDb.Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudInfrastructure.Repository
{
#nullable enable
    public class GtrWitsRepository: IGtrService
        
    {

        private readonly IAsbCloudDbContext db;
        private readonly ITelemetryService telemetryService;

        public GtrWitsRepository(
            IAsbCloudDbContext db,
            ITelemetryService telemetryService)
        {
            this.db = db;
            this.telemetryService = telemetryService;
        }

        public async Task<IEnumerable<WitsRecordDto>> GetAsync(int idWell, DateTime dateBegin = default, double intervalSec = 600, int approxPointsCount = 1024, CancellationToken token = default)
        {
            var telemetry = telemetryService.GetOrDefaultTelemetryByIdWell(idWell);
            if (telemetry is null)
                return Enumerable.Empty<WitsRecordDto>();
            var timezone = telemetryService.GetTimezone(telemetry.Id);

            var filterByDateEnd = dateBegin != default;
            DateTimeOffset dateBeginUtc;
            if (dateBegin == default)
            {
                dateBeginUtc = telemetryService.GetLastTelemetryDate(telemetry.Id)
                    .ToUtcDateTimeOffset(timezone.Hours);
                if (dateBeginUtc != default)
                    dateBeginUtc = dateBeginUtc.AddSeconds(-intervalSec);
            }
            else
            {
                dateBeginUtc = dateBegin.ToUtcDateTimeOffset(timezone.Hours);
            }

            if (dateBeginUtc == default)
                dateBeginUtc = DateTime.UtcNow.AddSeconds(-intervalSec);
            var dateEnd = dateBeginUtc.AddSeconds(intervalSec);

            //временная заглушка(для билда без ошибок)
            return Enumerable.Empty<WitsRecordDto>();
        }



        public Task<int> UpdateAsync(string uid, IEnumerable<WitsRecordDto> dtos, CancellationToken token)
        {
            throw new NotImplementedException();
        }
    }
#nullable disable
}