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

namespace AsbCloudInfrastructure.Repository
{

    public class CrudWellRelatedRepositoryBase<TDto, TEntity> : CrudRepositoryBase<TDto, TEntity>, IRepositoryWellRelated<TDto>
        where TDto : AsbCloudApp.Data.IId, AsbCloudApp.Data.IWellRelated
        where TEntity : class, IId, IWellRelated
    {
        public CrudWellRelatedRepositoryBase(IAsbCloudDbContext context)
            : base(context) { }

        public CrudWellRelatedRepositoryBase(IAsbCloudDbContext context, Func<DbSet<TEntity>, IQueryable<TEntity>> makeQuery)
            : base(context, makeQuery) { }

        public async Task<IEnumerable<TDto>> GetByIdWellAsync(int idWell, CancellationToken token)
        {
            var entities = await GetQuery()
               .Where(e => e.IdWell == idWell)
               .AsNoTracking()
               .ToArrayAsync(token);
            var dtos = entities.Select(Convert).ToList();
            return dtos;
        }

        public async Task<IEnumerable<TDto>> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token)
        {
            if (!idsWells.Any())
                return Enumerable.Empty<TDto>();

            var entities = await GetQuery()
               .Where(e => idsWells.Contains(e.IdWell))
               .AsNoTracking()
               .ToArrayAsync(token);
            var dtos = entities.Select(Convert).ToList();
            return dtos;
        }
    }

}