using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using Bit.Core.Models.Data;
using Bit.Core.Models.Table;

namespace Bit.Core.Models.Api.Public
{
    /// <summary>
    /// A user group.
    /// </summary>
    public class GroupResponseModel : GroupBaseModel, IResponseModel
    {
        public GroupResponseModel(Group group, IEnumerable<SelectionReadOnly> collections)
        {
            if (group == null)
            {
                throw new ArgumentNullException(nameof(group));
            }

            Id = group.Id;
            Name = group.Name;
            AccessAll = group.AccessAll;
            ExternalId = group.ExternalId;
            Collections = collections?.Select(c => new AssociationWithPermissionsResponseModel(c));
        }

        /// <summary>
        /// String representing the object's type. Objects of the same type share the same properties.
        /// </summary>
        /// <example>group</example>
        [Required]
        public string Object => "group";
        /// <summary>
        /// The group's unique identifier.
        /// </summary>
        /// <example>539a36c5-e0d2-4cf9-979e-51ecf5cf6593</example>
        [Required]
        public Guid Id { get; set; }
        /// <summary>
        /// The associated collections that this group can access.
        /// </summary>
        public IEnumerable<AssociationWithPermissionsResponseModel> Collections { get; set; }
    }
}
