using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using MapsDb.Interfaces;
using MapsDb.Models;
using MapsModels.DsModels;
using Microsoft.EntityFrameworkCore;
namespace MapsDb.DataService
{
    public class BusStopDs : IBusStopDs
    {
        private PostgresDbContext _context;
        public BusStopDs(){
            _context = new PostgresDbContext();
        }
        public Task<IList<BusStopEditDsM>> GetIndexListAsync(PaginationDsM pagination){
            return Task.Factory.StartNew(()=> { return GetAllBusStop(pagination); });
        }
        private IList<BusStopEditDsM> GetAllBusStop(PaginationDsM pagination)
        {
            var data =  _context.BusStop.Select(busStop => new BusStopEditDsM
            {
                Id = busStop.Id,
                RoadId = busStop.RoadId,
                RegionId = busStop.RegionId,
                SettlementId = busStop.SettlementId,
                LocationLeft = busStop.LocationLeft,
                LocationRight = busStop.LocationRight,
                SurfaceTypeId = busStop.SurfaceTypeId,
                AreaStopAvailability = busStop.AreaStopAvailability,
                AreaLandAvailability = busStop.AreaLandAvailability,
                PocketAvailability = busStop.PocketAvailability,
                ToiletAvailability = busStop.ToiletAvailability,
                YearBuild = busStop.YearBuild,
                YearRepair = busStop.YearRepair,
                StateCommonId = busStop.StateCommonId
            }).Skip(pagination.from).Take(pagination.perPage);
            switch (pagination.orderType())
            {
                case "ASC":
                    return data.OrderBy(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
          
                case "DESC":
                    return data.OrderByDescending(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
            
                default:
                    return data.OrderBy(i => i.GetType().GetProperty(pagination.sort).GetValue(i, null)).ToList();
            }     
            
        }

        public Task<BusStop> CreateAsync(BusStopEditDsM data){
              return Task.Factory.StartNew(()=> { return Create(data); });
        }
        private BusStop Create(BusStopEditDsM data)
        {   
            
            BusStop Model = InsertModel(data);
            _context.BusStop.Add(Model);
            _context.SaveChanges();
            return Model;
        }
        public Task<BusStop> UpdateAsync(BusStopEditDsM data, int id){
            return Task.Factory.StartNew(()=> { return Update(data, id); });
        }
        private BusStop Update(BusStopEditDsM data, int id)
        {   
            BusStop Model = InsertModel(data);
            Model.Id = id;
            _context.BusStop.Update(Model);
            _context.SaveChanges();
            return Model;
        }
        public BusStop InsertModel(BusStopEditDsM data){
            BusStop Model = new BusStop{
                RoadId = data.RoadId,
                RegionId = data.RegionId,
                SettlementId = data.SettlementId,
                LocationLeft = data.LocationLeft,
                LocationRight = data.LocationRight,
                SurfaceTypeId = data.SurfaceTypeId,
                AreaStopAvailability = data.AreaStopAvailability,
                AreaLandAvailability = data.AreaLandAvailability,
                PocketAvailability = data.PocketAvailability,
                ToiletAvailability = data.ToiletAvailability,
                YearBuild = data.YearBuild,
                YearRepair = data.YearRepair,
                StateCommonId = data.StateCommonId
            };
            return Model;
        }
        public async Task<int> DeleteAsync(int Id)
        {
            var busStop = await _context.BusStop.SingleOrDefaultAsync(x => x.Id == Id);
            _context.BusStop.Remove(busStop);
            return await _context.SaveChangesAsync();
        }
    }
}