using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using EnVisage.Code;
using System.Linq;
using System.Web.Mvc;

namespace EnVisage.Models
{
    public class CapacityDetailsModel
    {
        public enum Spread
        {
            Notspecified = -1,
            Equal = 0,
            Less = 1,
            Over = 2
        }
        public enum RowType
        {
            Project = 0,
            ProjectExpenditureCategory = 1,
            Vacation = 2,
            Training = 3,
            LoanOut = 4,
            Total = 5,
            Capacity = 6,
            BottomCategory = 7,
            Team = 8
        }

        public class ScenarioCalendarRowResource
        {
            public Guid Id { get; set; }
            public Guid? ExpedentureCategoryId { get; set; }
            public string Name { get; set; }
            /// <summary>
            /// Gets or sets a weekly array of quantity values.
            /// </summary>
            public decimal[] QuantityValues { get; set; }
            /// <summary>
            /// Gets or sets a weekly array of cost values.
            /// </summary>
            public decimal[] CostValues { get; set; }
            /// <summary>
            /// Gets or sets a weekly array of resource availability (i.e. UOM-vacations-trainings-loanouts) values.
            /// </summary>
            public decimal[] CapacityQuantityValues { get; set; }
            /// <summary>
            /// Gets or sets an array of resource vacation weekly allocations.
            /// </summary>
            public decimal[] VacationQuantityValues { get; set; }
            /// <summary>
            /// Gets or sets an array of resource training weekly allocations.
            /// </summary>
            public decimal[] TrainingQuantityValues { get; set; }
            /// <summary>
            /// Gets or sets total resource cost for the row.
            /// </summary>
            public decimal GrandTotalCost { get; set; }
            /// <summary>
            /// Gets or sets a total resource quantity for the row.
            /// </summary>
            public decimal GrandTotalQuantity { get; set; }
            public Spread[] SpreadVal { get; set; }
            /// <summary>
            /// Gets or sets a weekly array of resource capacity (i.e. UOM value).
            /// </summary>
            public decimal[] QuantityTotalResValue { get; set; }
            public bool ReadOnly { get; set; }
            public Guid TeamId { get; set; }
            public bool AssignedToTeam { get; set; }
            public string Title { get; set; }
            public Guid[] ProjectIds { get; set; }
            public bool IsActiveEmployee  { get; set; }
        }

        public class CalendarRow
        {
            public Guid? ProjectId { get; set; }
            public string Name { get; set; }
            public string Name1 { get; set; }
            public string Color { get; set; }
            public Guid? ScenarioId { get; set; }
            public Guid? ExpCatId { get; set; }
            public bool EmptyScenario { get; set; }
            /// <summary>
            /// Gets or sets a start date of data in this row.
            /// </summary>
            /// <remarks>
            /// 1. Project. Start Date of the project.
            /// 2. Expenditure Category. Min date where scenario details records contain non-zero values. Could be zero cells in the middle of this range.
            /// 3. Resource. Min date where scenario details records contain non-zero values. Could be zero cells in the middle of this range.
            /// </remarks>
            public long? StartDate { get; set; }
            /// <summary>
            /// Gets or sets an end date of data in this row.
            /// </summary>
            /// <remarks>
            /// 1. Project. End Date and End Date of project.
            /// 2. Expenditure Category. Max date where scenario details records contain non-zero values. Could be zero cells in the middle of the row.
            /// 3. Resource. Max date where scenario details records contain non-zero values. Could be zero cells in the middle of this range.
            /// </remarks>
            public long? EndDate { get; set; }
            public Guid? ResourceToAssignId { get; set; }
            public ExpenditureCategoryModel.UseTypes UseType { get; set; }
            public decimal[] QuantityValues { get; set; }
            public decimal QuantityResValue { get; set; }
            /// <summary>
            /// Gets or sets a weekly array of expenditure category capacity (i.e. UOM value * number of resources).
            /// </summary>
            public decimal[] QuantityTotalResValue { get; set; }
            public decimal[] QuantityExpCatTotalValue { get; set; }
            //public decimal[] CostValues { get; set; }
            public Guid?[] DetailIds { get; set; }
            public bool ProjectCollapsed { get; set; }
            public bool ScenarioCollapsed { get; set; }
            public bool ExpCatCollapsed { get; set; }
            public string CollapsedClass { get; set; }
            public decimal[] RestQuantity { get; set; }
            public decimal[] RestCost { get; set; }
            public bool IsParentCollapsed { get; set; }
            public bool IsUpperHidden { get; set; }
            public bool IsLowerHidden { get; set; }
            public bool IsTotals { get; set; }
            public RowType RowType { get; set; }
            public Spread[] SpreadVal { get; set; }
            public bool[] ReadOnly { get; set; }
            public Guid? TeamId { get; set; }
            
            public List<ScenarioCalendarRowResource> Resources { get; set; }

            public CalendarRow()
            {
                QuantityValues = new decimal[0];
                DetailIds = new Guid?[0];
                CollapsedClass = "fa-plus-square";
                RestQuantity = new decimal[0];
                RestCost = new decimal[0];
                ScenarioCollapsed = true;
                ExpCatCollapsed = true;
                ProjectCollapsed = true;
                IsParentCollapsed = true;
                IsTotals = false;
                RowType = RowType.ProjectExpenditureCategory;
                SpreadVal = new Spread[0];
                EmptyScenario = true;
                ReadOnly = new bool[0];
            }
        }

        public class Header
        {
            /// <summary>
            /// Gets or sets a number of milliseconds between month end date and 1/1/1970.
            /// </summary>
            public long Milliseconds { get; set; }
            /// <summary>
            /// Gets or sets an index of the related month cell.
            /// </summary>
            public int MonthIndex { get; set; }

            public int YearIndex { get; set; }

            /// <summary>
            /// Gets or sets a values indicating whether the header cell is collapsed or not.
            /// </summary>
            public bool Collapsed { get; set; }
            /// <summary>
            /// Gets or sets a values indicating whether to show header cell.
            /// </summary>
            public bool Show { get; set; }
            /// <summary>
            /// Gets or sets a values indicating whether the header cell represents a month or a week.
            /// </summary>
            public bool IsMonth { get; set; }
            /// <summary>
            /// Gets or sets a CSS class used for the <i>plus/minus</i> icons in the month header.
            /// </summary>
            public string CollapsedClass { get; set; }
            /// <summary>
            /// Gets or sets a text of the header cell.
            /// </summary>
            public string Title { get; set; }
            public string Year { get; set; }
            /// <summary>
            /// Gets or sets an array of indexes of children cells. I.e. week cells for month cell.
            /// </summary>
            public int SpanCount { get; set; }
            public List<int> Weeks { get; set; }

            public Header()
            {
                Collapsed = true;
                Show = false;
                CollapsedClass = "fa-plus-square";
                SpanCount = 0;
            }
        }

        public DateTime StartDate { get; set; }
        public DateTime EndDate { get; set; }
        public Guid? CompanyId { get; set; }
        public Guid? TeamId { get; set; }
        public Guid? ViewId { get; set; }
        public bool GrowthScenario { get; set; }
        public Guid ParentId { get; set; }
        public long ActualsEndDateMs { get; set; }
        /// <summary>
        /// Indicates whether capacity management grid data is in Hours or in Resources.<br/>
        /// null - data in Hours<br/>
        /// true - data in Hours<br/>
        /// false - data in Resources.
        /// </summary>
        [Display(Name = "Resources Mode")]
        public bool? IsUOMHours { get; set; }
        public bool? GroupByTeam { get; set; }
        //public decimal uomResourcesMultiplier { get; set; }
        //public decimal uomHoursMultiplier { get; set; }
        public List<SelectListItem> AvailableExpenditures { get; set; }
        public List<ScenarioCalendarRowResource> AllResources { get; set; }
        /// <summary>
        /// Gets or sets a list of scenario details data for each expenditure category.
        /// </summary>
        public List<CalendarRow> Calendar { get; set; }
        public List<Header> Headers { get; set; }
        public List<Header> YearHeaders { get; set; }

        public CapacityDetailsModel()
        {
            AvailableExpenditures = new List<SelectListItem>();
            Calendar = new List<CalendarRow>();
            Headers = new List<Header>();
            YearHeaders = new List<Header>();
            //uomResourcesMultiplier =Utils.GetUOMMultiplier(false);
            //uomHoursMultiplier = Utils.GetUOMMultiplier(true);
        }
    }

    public class SaveCapacityDetailsChangesModel
    {
        public class ChangedRow
        {
            public Guid Id { get; set; }
            public Guid ScenarioId { get; set; }
            public List<ChangedColumn> Values { get; set; }
            public List<ResourcesRow> Resources { get; set; }

            public ChangedRow()
            {
                Values = new List<ChangedColumn>();
            }
        }

        public class ResourcesRow
        {
            public Guid Id { get; set; }
            public List<ChangedColumn> Values { get; set; }
            public bool IsAdded { get; set; }
            public bool IsRemoved { get; set; }
        }

        public class ChangedColumn
        {
            public Guid? Id { get; set; }
            /// <summary>
            /// Number of milliseconds from 1/1/1970
            /// </summary>
            public long Milliseconds { get; set; }
            public decimal Cost { get; set; }
            public decimal Quantity { get; set; }
        }

        //public Guid ScenarioId { get; set; }
        public List<ChangedRow> ChangedExpCats { get; set; }
        public CapacityDetailsModel ScenarioFilters { get; set; }

        public SaveCapacityDetailsChangesModel()
        {
            ChangedExpCats = new List<ChangedRow>();
        }
    }

    public class CapacityDetailsOptionsModel
    {
        public string MenuId { get; set; }
        public string AdditionalFilterParams { get; set; }
        public PagePreferencesList.PagePreferencesSource Source { get; set; }
    }
}