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

namespace AsbCloudInfrastructure.Repository
{
#nullable enable
    public class WellCompositeRepository : IWellCompositeRepository
    {
        private readonly IAsbCloudDbContext db;
        private readonly IProcessMapRepository processMapRepository;

        public WellCompositeRepository(IAsbCloudDbContext db, IProcessMapRepository processMapRepository)
        {
            this.db = db;
            this.processMapRepository = processMapRepository;
        }

        /// <inheritdoc/>
        public async Task<IEnumerable<WellCompositeDto>> GetAsync(int idWell, CancellationToken token)
        {
            var entities = await db.WellComposites
                .Where(c => c.IdWell == idWell)
                .AsNoTracking()
                .ToListAsync(token)
                .ConfigureAwait(false);
            return entities.Select(Convert);
        }

        /// <inheritdoc/>
        public Task<int> SaveAsync(int idWell, IEnumerable<WellCompositeDto> wellComposites, CancellationToken token)
        {
            db.WellComposites.RemoveRange(db.WellComposites
                .Where(c => c.IdWell == idWell));

            var entities = wellComposites
                .Select(w => Convert(idWell, w));

            db.WellComposites.AddRange(entities);
            return db.SaveChangesAsync(token);
        }

        /// <inheritdoc/>
        public async Task<IEnumerable<ProcessMapDto>?> GetCompositeProcessMap(int idWell, CancellationToken token)
        {
            var dtos = await GetAsync(idWell, token);
            var request = new List<ProcessMapRequest>(dtos.Count());
            foreach(var dto in dtos)
            {
                request.Add(new ProcessMapRequest
                {
                    IdWell = dto.IdWellSrc,
                    IdWellSectionTypes = dto.IdWellSectionType
                });
            };

            var processMap = (await processMapRepository.GetByRequesProcessMaplAsync(request, token));

            var result = processMap?.Select(x => new ProcessMapDto
            {
                IdWell = x.IdWell,
                IdWellSectionType = x.IdWellSectionType,
                RopPlan = x.RopPlan,
                DepthStart = x.DepthStart,
                DepthEnd = x.DepthEnd,
                AxialLoad = new PlanFactDto
                {
                    Plan = x.AxialLoad.Fact ?? x.AxialLoad.Plan,
                },
                Flow = new PlanFactDto
                {
                    Plan = x.Flow.Fact ?? x.Flow.Plan
                },
                Pressure = new PlanFactDto
                {
                    Plan = x.Pressure.Fact ?? x.Pressure.Plan
                },
                TopDriveSpeed = new PlanFactDto
                {
                    Plan = x.TopDriveSpeed.Fact ?? x.TopDriveSpeed.Plan
                },
                TopDriveTorque = new PlanFactDto
                {
                    Plan = x.TopDriveTorque.Fact ?? x.TopDriveTorque.Plan
                },
                LastUpdate = DateTime.UtcNow
            });
            
            return result;
        }

        private static WellComposite Convert(int idWell, WellCompositeDto dto)
        {
            var entity = dto.Adapt<WellComposite>();
            entity.IdWell = idWell;
            return entity;
        }
        private static WellCompositeDto Convert(WellComposite entity)
        {
            var dto = entity.Adapt<WellCompositeDto>();
            return dto;
        }
    }
#nullable disable
}