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

namespace AsbCloudInfrastructure.Services
{
    public class ClusterService : IClusterService
    {
        private readonly IAsbCloudDbContext db;

        public ClusterService(IAsbCloudDbContext db)
        {
            this.db = db;
        }

        public IEnumerable<DepositDto> GetDeposits(int idCompany)
        {
            var wellEntities = (from well in  db.Wells
                .Include(w => w.RelationCompaniesWells)
                .Include(w => w.WellType)
                .Include(w=>w.Cluster)
                .ThenInclude(c => c.Deposit)
                where well.RelationCompaniesWells.Any(r => r.IdCompany == idCompany)
                select well).ToList();

            var gDepositEntities = wellEntities
                .GroupBy(w => w.Cluster)
                .GroupBy(c => c.Key.Deposit);

            var dtos = gDepositEntities.Select(gDeposit => new DepositDto
            {
                Id = gDeposit.Key.Id,
                Caption = gDeposit.Key.Caption,
                Latitude = gDeposit.Key.Latitude,
                Longitude = gDeposit.Key.Longitude,
                Description = "",
                Clusters = gDeposit.Select(gCluster=>new ClusterDto {
                    Id = gCluster.Key.Id,
                    Caption = gCluster.Key.Caption,
                    Latitude = gCluster.Key.Latitude,
                    Longitude = gCluster.Key.Longitude,
                    Description = "",
                    Wells = gCluster.Select(well => new WellDto {
                        Id = well.Id,
                        Caption = well.Caption,
                        Latitude = well.Latitude,
                        Longitude = well.Longitude,
                        WellType = well.WellType?.Caption,
                        Cluster = gCluster.Key.Caption,
                        Deposit = gDeposit.Key.Caption,
                    }),
                }),
            });

            return dtos;
        }

        public IEnumerable<ClusterDto> GetClusters(int idCompany)
        {
            var entities = db.GetWellsForCompany(idCompany)
                        .Select(e => e.Cluster)
                        .Distinct()
                        .ToList();

            var dtos = entities.Select(e => new ClusterDto
            {
                Id = e.Id,
                Caption = e.Caption,
                Latitude = e.Latitude,
                Longitude = e.Longitude,
            });

            return dtos;
        }

        public IEnumerable<ClusterDto> GetClusters(int idCompany, int depositId)
        {
            var entities = db.GetWellsForCompany(idCompany)
                        .Select(e => e.Cluster)
                        .Where(e => e.IdDeposit == depositId)
                        .Distinct()
                        .ToList();

            var dtos = entities.Select(e => new ClusterDto
            {
                Id = e.Id,
                Caption = e.Caption,
                Latitude = e.Latitude,
                Longitude = e.Longitude,
            });

            return dtos;
        }

        public IEnumerable<WellDto> GetWells(int idCompany, int idCluster)
        {
            var entities = db.GetWellsForCompany(idCompany)
                .Where(e => e.IdCluster == idCluster)
                .ToList();

            var dtos = entities.Select(e => new WellDto
            {
                Id = e.Id,
                Caption = e.Caption,
                Latitude = e.Latitude,
                Longitude = e.Longitude,
                Cluster = e.Cluster.Caption,
                Deposit = e.Cluster.Deposit.Caption,
            });

            return dtos;
        }

        public ClusterStatDto GetStat(int idCompany, int idCluster)
        {
            var wellEntities = from w in db.Wells
                           where w.IdCluster == idCluster && w.RelationCompaniesWells.Any(c => c.IdCompany == idCompany)
                           select w;

            var wellStatDtos = wellEntities.Select(e => new WellStatDto
            {
                Id = e.Id,
                Caption = e.Caption,
                Cluster = e.Cluster.Caption,
                Deposit = e.Cluster.Deposit.Caption,
                Latitude = e.Latitude,
                Longitude = e.Longitude,
                FactEnd = e.FactEnd,
                FactStart = e.FactStart,
                PlanEnd = e.PlanEnd,
                PlanStart = e.PlanStart,
                RateOfPenetrationFact = e.RateOfPenetrationFact,
                RateOfPenetrationPlan = e.RateOfPenetrationPlan,
                RouteSpeedFact = e.RouteSpeedFact,
                RouteSpeedPlan = e.RouteSpeedPlan,
                Sections = e.Sections.Select(s => new WellSectionDto
                {
                    BhaDownSpeedFact = s.BhaDownSpeedFact,
                    BhaDownSpeedPlan = s.BhaDownSpeedPlan,
                    BhaUpSpeedFact = s.BhaUpSpeedFact,
                    BhaUpSpeedPlan = s.BhaUpSpeedPlan,
                    BuildDaysFact = s.BuildDaysFact,
                    BuildDaysPlan = s.BuildDaysPlan,
                    CasingDownSpeedFact = s.CasingDownSpeedFact,
                    CasingDownSpeedPlan = s.CasingDownSpeedPlan,
                    RateOfPenetrationFact = s.RateOfPenetrationFact,
                    RateOfPenetrationPlan = s.RateOfPenetrationPlan,
                    RouteSpeedFact = s.RouteSpeedFact,
                    RouteSpeedPlan = s.RouteSpeedPlan,
                    SectionType = s.WellSectionType.Caption,
                    WellDepthFact = s.WellDepthFact,
                    WellDepthPlan = s.WellDepthPlan,
                }),
                UnProductiveDays = e.UnProductiveDays,
                Companies = e.RelationCompaniesWells.Select(c => new CompanyDto
                {
                    Id = c.Company.Id,
                    Caption = c.Company.Caption,
                    CompanyType = c.Company.CompanyType.Caption,
                }),
                WellType = e.WellType.Caption,
            }).ToList();

            if (!wellStatDtos.Any())
                return null;

            var clusterById = db.Clusters.FirstOrDefault(c => c.Id == idCluster);

            return new ClusterStatDto {
                Id = clusterById.Id,
                Description = "",
                Caption = clusterById.Caption,
                Latitude = clusterById.Latitude,
                Longitude = clusterById.Longitude,
                WellsStat = wellStatDtos,
            };
        }
    }
}