using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Runtime.Serialization;
using Newtonsoft.Json.Converters;

namespace Umbraco.Web.Models.ContentEditing
{
    /// <summary>
    /// Represents the variant info for a content item
    /// </summary>
    [DataContract(Name = "contentVariant", Namespace = "")]
    public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, IContentProperties<ContentPropertyDisplay>, INotificationModel
    {
        public ContentVariantDisplay()
        {
            Tabs = new List<Tab<ContentPropertyDisplay>>();
            Notifications = new List<Notification>();
        }

        [DataMember(Name = "name", IsRequired = true)]
        public string Name { get; set; }

        /// <summary>
        /// Defines the tabs containing display properties
        /// </summary>
        [DataMember(Name = "tabs")]
        public IEnumerable<Tab<ContentPropertyDisplay>> Tabs { get; set; }

        /// <summary>
        /// Internal property used for tests to get all properties from all tabs
        /// </summary>
        [IgnoreDataMember]
        [JsonIgnore]
        IEnumerable<ContentPropertyDisplay>  IContentProperties<ContentPropertyDisplay>.Properties => Tabs.SelectMany(x => x.Properties);

        /// <summary>
        /// The language/culture assigned to this content variation
        /// </summary>
        /// <remarks>
        /// If this is null it means this content variant is an invariant culture
        /// </remarks>
        [DataMember(Name = "language")]
        public Language Language { get; set; }

        [DataMember(Name = "segment")]
        public string Segment { get; set; }

        [DataMember(Name = "state")]
        [JsonConverter(typeof(StringEnumConverter))]
        public ContentSavedState State { get; set; }

        [DataMember(Name = "updateDate")]
        public DateTime UpdateDate { get; set; }

        [DataMember(Name = "createDate")]
        public DateTime CreateDate { get; set; }

        [DataMember(Name = "publishDate")]
        public DateTime? PublishDate { get; set; }

        [DataMember(Name = "releaseDate")]
        public DateTime? ReleaseDate { get; set; }

        [DataMember(Name = "expireDate")]
        public DateTime? ExpireDate { get; set; }

        /// <summary>
        /// This is used to add custom localized messages/strings to the response for the app to use for localized UI purposes.
        /// </summary>
        /// <remarks>
        /// The notifications assigned to a variant are currently only used to show custom messages in the save/publish dialogs.
        /// </remarks>
        [DataMember(Name = "notifications")]
        [ReadOnly(true)]
        public List<Notification> Notifications { get; private set; }

    }
}