using AsbCloudApp.Data;
using AsbCloudApp.Exceptions;
using AsbCloudApp.Repositories;
using AsbCloudApp.Services;
using AsbCloudDb.Model;
using Microsoft.EntityFrameworkCore;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace AsbCloudInfrastructure.Repository
{
    internal class ActualTrajectoryRepository : IActualTrajectoryRepository
    {
        private readonly IAsbCloudDbContext db;
        private readonly IWellService wellService;
        public ActualTrajectoryRepository(IAsbCloudDbContext db, IWellService wellService)
        {
            this.db = db;
            this.wellService = wellService;
        }

        public async Task<IEnumerable<TrajectoryDto>> GetTrajectoryAsync(int idWell, CancellationToken token)
        {

            var well = wellService.GetOrDefault(idWell);
            if (well is null || well.Timezone is null)
                throw new ArgumentInvalidException("idWell doesn`t exist", nameof(idWell));

            var entities = await db.Record7
                .AsNoTracking()
                .Where(x => x.IdTelemetry == well.IdTelemetry)
                .Where(coord => coord.Deptsvym != null && coord.Svyinc != null && coord.Svyazc != null)
                .OrderBy(e => e.Deptsvym)
                .Select(x => new { x.Deptsvym, x.Svyinc, x.Svyazc })
                .ToArrayAsync(token);

            var result = entities
                .Select(coord => new TrajectoryDto(coord.Deptsvym!.Value, coord.Svyinc!.Value, coord.Svyazc!.Value))
                .ToArray();

            return result;
        }
    }
}