using System.Globalization;
using System.Linq;
using EnVisage.Code;
using System;
using System.Collections.Generic;
using MongoDB.Bson;
using EnVisage.Code.DAL.Mongo;
using MongoDB.Bson.Serialization;

namespace EnVisage.Models
{
	public class MixSaveModel : MixModelBase
	{
		public MixCalendarModel Calendar { get; set; }
		public MixFilterModel Filter { get; set; }

		public MixSaveModel()
			: base()
		{
			Calendar = new MixCalendarModel();
			Filter = new MixFilterModel();
		}

		/// <summary>
		/// Converts an instance of <see cref="EnVisage.Code.DAL.Mongo.Mix"/> entity to the new instance of <see cref="MixSaveModel"/> entity.
		/// </summary>
		/// <param name="entity">An object of <see cref="EnVisage.Code.DAL.Mongo.Mix"/> type.</param>
		/// <returns>An object of <see cref="MixSaveModel"/> prefilled with values from <paramref name="entity"/>.</returns>
		public static explicit operator MixSaveModel(EnVisage.Code.DAL.Mongo.Mix entity)
		{
			if (entity == null)
				return null;

			var model = new MixSaveModel()
			{
				Id = entity.Id.ToString(),
				Name = entity.Name,
				StartDate = entity.StartDate,
				EndDate = entity.EndDate,
				CreatedBy = entity.CreatedBy,
				Users = entity.Users,
				Calendar = new MixCalendarModel()
				{
					Teams = entity.Teams.Select(t => new MixTeamModel
					{
						Id = t.Id,
						Name = t.Name,
						CompanyId = t.CompanyId,
						CostCenterId = t.CostCenterId,
						UserId = t.UserId,
						IsNew = t.IsNew,
						PlannedCapacity = (t.PlannedCapacity != null) ? t.PlannedCapacity.ToList() : new List<MixTeamCapacity>(),
						ExpCategories = (t.ExpCategories != null) ? t.ExpCategories.Select(ec => new ActivityExpCategoryFooterModel()
						{
							Id = ec.Value.Id,
							Name = ec.Value.Name,
							UomValue = ec.Value.UomValue,
							ActualCapacityValues = ec.Value.ActualCapacityValues,
							AllocatedCapacity = ec.Value.AllocatedCapacity,
							NeedCapacity = ec.Value.NeedCapacity,
							PlannedCapacityValues = ec.Value.PlannedCapacityValues,
							Resources = (ec.Value.Resources != null) ? ec.Value.Resources.Select(r => new ActivityResourceFooterModel()
							{
								Id = r.Value.Id,
								Name = r.Value.Name,
								AllocatedCapacity = r.Value.AllocatedCapacity,
								TotalCapacity = r.Value.TotalCapacity
							}).ToDictionary(k => k.Id.ToString(), v => v) : null
						}).ToDictionary(k => k.Id.ToString(), v => v) : new Dictionary<string, ActivityExpCategoryFooterModel>()
					}).ToList()
				},

				Filter = new MixFilterModel()
				{
					Selection = new MixFilterSelectionModel()
					{
						TeamsViews = entity.Teams.Select(t => new MixTeamViewModel
						{
							Id = t.Id,
							TVName = t.Name,
							IsNew = t.IsNew,
							Group = new System.Web.Mvc.SelectListGroup() { Name = t.Group, Disabled = false }
						}).ToList(),

						StartDate = entity.StartDate,
						EndDate = entity.EndDate
					}
				}
			};

			return model;
		}

		/// <summary>
		/// Copies property values from current object of type <see cref="MixSaveModel"/> to <paramref name="obj"/> object of type <see cref="EnVisage.Code.DAL.Mongo.Mix"/> entity.
		/// </summary>
		/// <param name="obj">An object of <see cref="EnVisage.Code.DAL.Mongo.Mix"/> type.</param>
		public void CopyTo(EnVisage.Code.DAL.Mongo.Mix obj)
		{
			if (obj == null)
				throw new ArgumentNullException("obj");
			obj.Name = Name;
			obj.StartDate = StartDate;
			obj.EndDate = EndDate;
			obj.CreatedBy = CreatedBy;
			obj.Teams = Calendar.Teams.Select(t => new Code.DAL.Mongo.MixTeam
				{
					Id = t.Id,
					Name = t.Name,
					CompanyId = t.CompanyId,
					CostCenterId = t.CostCenterId,
					UserId = t.UserId,
					IsNew = t.IsNew,
					PlannedCapacity = (t.PlannedCapacity != null) ? t.PlannedCapacity.ToArray() : null,
					ExpCategories = (t.ExpCategories != null) ? t.ExpCategories.Select(e => new ExpCategoryCapacity()
					{
						Id = e.Value.Id,
						Name = e.Value.Name,
						NeedCapacity = e.Value.NeedCapacity,
						PlannedCapacityValues = e.Value.PlannedCapacityValues,
						AllocatedCapacity = e.Value.AllocatedCapacity,
						ActualCapacityValues = e.Value.ActualCapacityValues,
						UomValue = e.Value.UomValue,
						Resources = (e.Value.Resources != null) ? e.Value.Resources.Select(r => new ActivityResource()
						{
							Id = r.Value.Id,
							Name = r.Value.Name,
							AllocatedCapacity = r.Value.AllocatedCapacity,
							TotalCapacity = r.Value.TotalCapacity
						}).ToDictionary(kk => kk.Id.ToString(), vv => vv) : null
					}).ToDictionary(k => k.Id.ToString(), v => v) : null
				}).ToList();



			obj.Users = Users;

			obj.ManagedProjects = new List<Guid>();
			obj.UnscheduledProjects = new List<Guid>();
			obj.QueuedProjects = new List<Guid>();
			obj.UnassignedExpProjects = new List<CategoryExpenditureInMongoProject>(); // SA. ENV-1210
			obj.Layout = new List<MixTeamLayoutRowItem>();

			obj.TeamsViews = Filter.Selection.TeamsViews.Select(x => new MixTeamView()
			{
				Id = x.Id,
				IsNew = x.IsNew,
				Name = x.TVName,
				Group = x.Group.Name,
				Data = x.Data,
				CapacityTeamId = x.CapacityTeamId,
				CompanyId = x.CompanyId,
				CopyPlanned = x.CopyPlanned,
				CostCenterId = x.CostCenterId,
				UserId = x.UserId
			}).ToList();

			if (this.Calendar.ManagedProjects != null)
				obj.ManagedProjects.AddRange(this.Calendar.ManagedProjects);

			if (this.Calendar.UnscheduledProjects != null)
				obj.UnscheduledProjects.AddRange(this.Calendar.UnscheduledProjects);

			if (this.Calendar.QueuedProjects != null)
				obj.QueuedProjects.AddRange(this.Calendar.QueuedProjects);

			// SA. ENV-1210
			if (this.Calendar.UnassignedExpendituresProjects != null)
				obj.UnassignedExpProjects = this.Calendar.UnassignedExpendituresProjects.Select(t =>
				new CategoryExpenditureInMongoProject()
				{
					ProjectId = t.ProjectId,
					ExpCatId = t.ExpCatId,
					TargetTeamId = t.TargetTeamId,
					Name = t.Name
				}).ToList();
					

			if (Calendar.Projects != null)
			{
				obj.Projects = Calendar.Projects.Select(p => (MixProject)p.Value).ToDictionary(p => p.Id.ToString(), i => i);
			}

			if (Calendar.Layout != null)
			{
				obj.Layout = this.Calendar.Layout.Select(l => new MixTeamLayoutRowItem()
				{
					TeamId = l.TeamId,
					Row = l.Row,
					Index = l.Index,
					ProjectId = l.ProjectId
				}).ToList();
			}
		}
	}
}