using EnVisage.Code;
using EnVisage.Models;
using Prevu.Core.Main;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using static EnVisage.Models.ScenarioDetailsCalendarModel;

namespace EnVisage
{
    public class ScenarioUIManager
    {
        #region Private Members

        private IUserManager _userManager = null;

        #endregion

        #region Constructors

        public ScenarioUIManager(IUserManager userManager)
        {
            _userManager = userManager;
        }

        #endregion

        public ScenarioDetailsCalendarModel CreateScenarioDetailsCalendarModel(Guid userId, ScenarioCalendarOpener opener)
        {
            var model = new ScenarioDetailsCalendarModel
            {
                Opener = opener,
            };
            var user = _userManager.GetUser(userId);
            if (user != null)
            {
                model.ShowAvgTotals = user.PreferredTotalsDisplaying;
                model.IsUOMHours = !user.PreferredResourceAllocation;
                model.PagePreferences = _userManager.GetPagePreferences("/Scenarios/Details", "scenarioCalendar", userId);
            }

            return model;
        }

        public ScenarioDetailsCalendarModel CreateScenarioDetailsCalendarModel(Guid userId, ScenarioDetailModel detailModel, ScenarioCalendarOpener opener)
        {
            var model = CreateScenarioDetailsCalendarModel(userId, opener);
            if (detailModel == null)
                return model;

            model.Id = detailModel.Id;
            model.Name = detailModel.Name;
            model.ParentId = detailModel.ParentId;
            model.TemplateId = detailModel.TemplateId;
            model.StartDate = detailModel.StartDate.HasValue ? Utils.ConvertToUnixDate(detailModel.StartDate.Value) : 0;
            model.EndDate = detailModel.EndDate.HasValue ? Utils.ConvertToUnixDate(detailModel.EndDate.Value) : 0;
            model.ProjectedRevenue = detailModel.FinInfo.ProjectedRevenue ?? 0;
            model.GrowthScenario = detailModel.GrowthScenario;
            model.Type = detailModel.Type ?? ScenarioType.Portfolio;
            model.UseLMMargin = detailModel.FinInfo.UseLMMargin;
            model.GrossMargin = detailModel.FinInfo.GrossMargin;
            model.LMMargin = detailModel.FinInfo.LMMargin;
            model.Duration = detailModel.Duration ?? 0;
            model.TDDirectCosts = detailModel.FinInfo.TDDirectCosts;
            model.CGSplit = detailModel.FinInfo.LaborSplitPercentage / (decimal)100.0;
            model.EFXSplit = detailModel.FinInfo.EFXSplit;
            model.Shots = detailModel.TotalMilestones;
            model.IsActiveScenario = detailModel.IsActiveScenario;
            model.ShowActuals = false;
            model.IsTableModeQuantity = true;
            model.IsViewModeMonth = true;
            model.ShowFilters = false;
            model.TeamsInScenario = null;
            model.NeedToRecalculateScenarioDetails = Guid.Empty.Equals(detailModel.Id);
            model.NeedToAdjustMargin = Guid.Empty.Equals(detailModel.Id);
            model.IsBottomUp = detailModel.IsBottomUp;
            model.ProjectDeadline = detailModel.ProjectDeadline;

            if (detailModel.ScenarioExpenditures != null)
            {
                model.AvailableExpenditures = detailModel.ScenarioExpenditures.Select(t => new ExpenditureModel
                {
                    Id = t.Id,
                    Name = t.Name
                }).ToList();
            }

            return model;
        }

        public ScenarioDetailsCalendarModel CreateScenarioDetailsCalendarModel(Guid userId, CreateScenarioModel.GeneralInfoModel detailModel, ScenarioCalendarOpener opener)
        {
            var model = CreateScenarioDetailsCalendarModel(userId, opener);
            if (detailModel == null)
                return model;

            model.Id = detailModel.ScenarioId;
            model.Name = detailModel.ScenarioName;
            model.ParentId = detailModel.PartId ?? detailModel.ProjectId;
            model.TemplateId = detailModel.TemplateId;
            model.StartDate = detailModel.StartDate.HasValue ? Utils.ConvertToUnixDate(detailModel.StartDate.Value) : 0;
            model.EndDate = detailModel.EndDate.HasValue ? Utils.ConvertToUnixDate(detailModel.EndDate.Value) : 0;
            model.ProjectedRevenue = 0;
            model.GrowthScenario = detailModel.GrowthScenario;
            model.Type = ScenarioType.Portfolio;
            model.UseLMMargin = false;
            model.GrossMargin = 0;
            model.LMMargin = null;
            model.Duration = 0;
            model.TDDirectCosts = 0;
            model.CGSplit = detailModel.LaborSplitPercentage / (decimal)100.0;
            model.EFXSplit = detailModel.EFXSplit;
            model.Shots = 0;
            model.IsActiveScenario = detailModel.CreateAsActive;
            model.ShowActuals = false;
            model.IsTableModeQuantity = true;
            model.IsViewModeMonth = true;
            model.ShowFilters = false;
            model.NeedToRecalculateScenarioDetails = Guid.Empty.Equals(detailModel.ScenarioId);
            model.NeedToAdjustMargin = Guid.Empty.Equals(detailModel.ScenarioId);
            model.IsBottomUp = detailModel.IsBottomUp;
            model.ProjectDeadline = detailModel.ProjectDeadline;

            if (detailModel.ScenarioExpenditures != null)
            {
                model.AvailableExpenditures = detailModel.ScenarioExpenditures.Where(t => t.Checked).Select(t => new ExpenditureModel
                {
                    Id = t.Id,
                    Name = t.Name
                }).ToList();
            }

            if (detailModel.Teams?.Sliders != null && detailModel.Teams.Sliders.Count > 0)
            {
                model.TeamsInScenario = detailModel.Teams.Sliders.Select(x => new TeamInScenarioModel
                {
                    TeamId = x.EntityId,
                    Allocation = (short)Math.Round(x.AllocatePercentage, 0),
                    IsNew = x.IsExcludable
                }).ToList();
            }

            return model;
        }

        public ScenarioDetailsCalendarModel CreateScenarioDetailsCalendarModel(Guid userId, ScenarioCalendarMixModel mixModel, List<Guid> teamsInScenario, DateTime? deadline)
        {
            var model = CreateScenarioDetailsCalendarModel(userId, ScenarioCalendarOpener.RMO);
            if (mixModel == null)
                return model;

            model.Id = mixModel.Id;
            model.ParentId = mixModel.ParentId ?? mixModel.TemplateId;
            model.TemplateId = mixModel.TemplateId;
            model.StartDate = mixModel.StartDate;
            model.EndDate = mixModel.EndDate;
            model.GrowthScenario = mixModel.GrowthScenario;
            model.Type = mixModel.Type;
            model.Duration = mixModel.Duration;
            model.Pinned = mixModel.Pinned;
            model.IsBottomUp = mixModel.IsBottomUp;
            model.Shots = 0;
            model.IsActiveScenario = true;
            model.ShowActuals = false;
            model.IsTableModeQuantity = true;
            model.IsViewModeMonth = true;
            model.ShowFilters = false;
            model.NeedToRecalculateScenarioDetails = false;
            model.NeedToAdjustMargin = false;
            model.InitOnDemand = true; // calendar will be populated with data by client-side request
            model.ProjectDeadline = deadline;
            if (mixModel.FinInfo != null)
            {
                model.ProjectedRevenue = mixModel.FinInfo.ProjectedRevenue;
                model.UseLMMargin = mixModel.FinInfo.UseLMMargin;
                model.GrossMargin = mixModel.FinInfo.GrossMargin;
                model.LMMargin = mixModel.FinInfo.LMMargin;
                model.TDDirectCosts = mixModel.FinInfo.TDDirectCosts;
                model.CGSplit = mixModel.FinInfo.LaborSplitPercentage / (decimal)100.0;
                model.EFXSplit = mixModel.FinInfo.EFXSplit;
            }

            if (teamsInScenario != null)
            {
                model.TeamsInScenario = teamsInScenario.Select(x => new TeamInScenarioModel() { TeamId = x, IsAccessible = true, CanBeDeleted = false })
                                                       .ToList();
            }
            else
            {
                model.TeamsInScenario = null;
            }

            return model;
        }
    }
}