using EnVisage.Code;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace EnVisage.Models.ProjectDependencies{
    /// <summary>
    /// Model for displaying dependencies in Grids
    /// </summary>
    public class ProjectDependencyDisplayModel
    {
        #region Enums
        /// <summary>
        /// Type of the project dependency as displayed to users.
        /// </summary>
        ////public enum ProjectDependencyDisplayType
        ////{
        ////    // origianl values from ProjectDependencyModel.ProjectDependencyType enum. All values should be inherited here

        ////    /// <summary>
        ////    /// Project A starts before project B start date = 0.
        ////    /// </summary>
        ////    [DisplayValue("Starts before")]
        ////    StartsBefore = 0,
        ////    /// <summary>
        ////    /// Project A starts after project B end date = 1.
        ////    /// </summary>
        ////    [DisplayValue("Starts after")]
        ////    StartsAfter = 1,
        ////    /// <summary>
        ////    /// Project A linked with project B = 2.
        ////    /// </summary>
        ////    [DisplayValue("Links to")]
        ////    Link = 2,

        ////    // virtual values, intended to be used in target projects as opposite to original values

        ////    /// <summary>
        ////    /// Project A starts after project B start date = 100. This is the same as StartsBeforeStart but should be used when displayed for project B.
        ////    /// </summary>
        ////    //[DisplayValue("Starts after")]
        ////    //StartsAfterStartEx = 100,
        ////    /// <summary>
        ////    /// Project A ends before project B start date = 101. This is the same as StartsAfterEnd but should be used when displayed for project B.
        ////    /// </summary>
        ////    //[DisplayValue("Ends before")]
        ////    //EndsBeforeStartEx = 101,
        ////}
        #endregion

        #region Properties
        /// <summary>
        /// Gets or sets a type of project dependency.
        /// </summary>
        public ProjectDependencyDisplayType Type { get; set; }
        /// <summary>
        /// Gets or sets a display name of relation type.
        /// </summary>
        public string DependencyTypeDisplayName
        {
            get
            {
                return Type.ToDisplayValue();
            }
        }
        /// <summary>
        /// Gets or sets a minimum start date of projects referenced with the specified dependency type.
        /// </summary>
		public long? dtStartDate { get; set; }
        public string StartDate
        {
            get
            {
                return dtStartDate.HasValue ? Utils.ConvertFromUnixDate(dtStartDate.Value).ToShortDateString() : string.Empty;
            }
        }
        /// <summary>
        /// Gets or sets a maximum end date of projects referenced with the specified dependency type.
        /// </summary>
		public long? dtEndDate { get; set; }
        public string EndDate
        {
            get
            {
                return dtEndDate.HasValue ? Utils.ConvertFromUnixDate(dtEndDate.Value).ToShortDateString() : string.Empty;
            }
        }

        public List<ProjectDependencyModel> Items { get; set; }

        #endregion

        public ProjectDependencyDisplayModel()
        {
            this.Type = ProjectDependencyDisplayType.StartsBefore;
            this.Items = new List<ProjectDependencyModel>();
        }
    }
}