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 result = new List<ProcessMapDto>();

            var dtos = await GetAsync(idWell, token);
            foreach (var dto in dtos)
            {
                var processMaps = (await processMapRepository.GetByRequesProcessMaplAsync(new WellCompositeRequest
                {
                    IdWell = dto.IdWellSrc,
                    IdWellSectionType = dto.IdWellSectionType
                }
                    , token))?
                    .Where(x => x.IdWellSectionType == dto.IdWellSectionType)
                    .Select(x => new ProcessMapDto
                    {
                        IdWell = dto.IdWell,
                        IdWellSectionType = dto.IdWellSectionType,
                        RopPlan = x.RopPlan,
                        DepthStart = x.DepthStart,
                        DepthEnd = x.DepthEnd,
                        AxialLoad = new PlanFactDto
                        {
                            Plan = x.AxialLoad.Fact ?? 0
                        },
                        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
                    });

                if (processMaps is not null)
                    result.AddRange(processMaps);
            }
            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
}