using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Runtime.Serialization;
using Umbraco.Cms.Core.Models.Editors;

namespace Umbraco.Cms.Core.Models.ContentEditing
{
    /// <summary>
    /// A model representing a content item to be saved
    /// </summary>
    [DataContract(Name = "content", Namespace = "")]
    public class ContentItemSave : IContentSave<IContent>
    {
        public ContentItemSave()
        {
            UploadedFiles = new List<ContentPropertyFile>();
            Variants = new List<ContentVariantSave>();
        }

        [DataMember(Name = "id", IsRequired = true)]
        [Required]
        public int Id { get; set; }

        [DataMember(Name = "parentId", IsRequired = true)]
        [Required]
        public int ParentId { get; set; }

        [DataMember(Name = "variants", IsRequired = true)]
        public IEnumerable<ContentVariantSave> Variants { get; set; }

        [DataMember(Name = "contentTypeAlias", IsRequired = true)]
        [Required(AllowEmptyStrings = false)]
        public string? ContentTypeAlias { get; set; }

        /// <summary>
        /// The template alias to save
        /// </summary>
        [DataMember(Name = "templateAlias")]
        public string? TemplateAlias { get; set; }

        #region IContentSave

        [DataMember(Name = "action", IsRequired = true)]
        [Required]
        public ContentSaveAction Action { get; set; }

        [IgnoreDataMember]
        public List<ContentPropertyFile> UploadedFiles { get; }

        //These need explicit implementation because we are using internal models
        /// <inheritdoc />
        [IgnoreDataMember]
        IContent? IContentSave<IContent>.PersistedContent { get; set; }

        //Non explicit internal getter so we don't need to explicitly cast in our own code
        [IgnoreDataMember]
        public IContent? PersistedContent
        {
            get => ((IContentSave<IContent>)this).PersistedContent;
            set => ((IContentSave<IContent>)this).PersistedContent = value;
        }

        #endregion

    }
}