using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;

namespace EnVisage.Models
{
    public class CompanyModel : IBaseModel<Company>
    {
		public CompanyModel()
		{
			Watchers = new List<Guid>();
			Contributors = new List<Guid>();
		}

		public Guid Id { get; set; }
        [Required]
        [MaxLength(100)]
        public string Name { get; set; }
        [Display(Name = "Business Unit")]
        public Guid? ParentCompanyId { get; set; }
        [Display(Name = "Business Unit")]
        public string ParentCompanyName { get; set; }
        [Display(Name = "Number of Projects")]
        public int ProjectsCount { get; set; }
        [Display(Name = "Number of Business Units")]
        public int CompaniesCount { get; set; }
		[Display(Name = "Number of Teams")]
		public int TeamsCount { get; set; }

		public IList<Guid> ClientId { get; set; }
        public IList<Guid> ViewId { get; set; }

		[Display(Name = "Business Unit Watchers")]
		public List<Guid> Watchers { get; set; }
		public string WatchersAsText
		{
			get
			{
				string result = String.Empty;

				if ((this.Watchers != null) && (this.Watchers.Count > 0))
				{
					foreach (Guid userId in this.Watchers)
					{
						result += "," + userId.ToString();
					}
					result = result.Substring(1);
				}

				return result;
			}
		}

		[Display(Name = "Business Unit Contributors")]
		public List<Guid> Contributors { get; set; }
		public string ContributorsAsText
		{
			get
			{
				string result = String.Empty;

				if ((this.Contributors != null) && (this.Contributors.Count > 0))
				{
					foreach (Guid userId in this.Contributors)
					{
						result += "," + userId.ToString();
					}
					result = result.Substring(1);
				}

				return result;
			}
		}

		/// <summary>
		/// Copies data from model to DAL object.
		/// </summary>
		/// <param name="dbObj">A target DAL object.</param>
		public void CopyTo(Company dbObj)
        {
            if (dbObj == null)
                throw new ArgumentNullException();

            dbObj.Name = Name;
            dbObj.ParentCompanyId = ParentCompanyId;
        }
    }

    public class CompanyApiModel
    {
        public Guid Id { get; set; }
        public string Name { get; set; }
        public Guid? ParentCompanyId { get; set; }

        #region Constructors

        public CompanyApiModel()
        {

        }

        public CompanyApiModel(CompanyModel model)
            : this()
        {
            if (model == null)
                throw new ArgumentNullException("model");

            Id = model.Id;
            Name = model.Name;
            ParentCompanyId = model.ParentCompanyId;
        }

		public CompanyApiModel(Company model)
			: this()
		{
			if (model == null)
				throw new ArgumentNullException("model");

			Id = model.Id;
			Name = model.Name;
			ParentCompanyId = model.ParentCompanyId;
		}

		#endregion
	}
}