using System;
using System.Linq;

namespace RMuseum.Models.Ganjoor.ViewModels
{
    /// <summary>
    /// Ganjoor Poem related music track model
    /// </summary>
    public class PoemMusicTrackViewModel
    {
        /// <summary>
        /// id
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// poem id
        /// </summary>a
        public int PoemId { get; set; }

        /// <summary>
        /// track type
        /// </summary>
        public PoemMusicTrackType TrackType { get; set; }

        /// <summary>
        /// artist name
        /// </summary>
        public string ArtistName { get; set; }

        /// <summary>
        /// artist url
        /// </summary>
        public string ArtistUrl { get; set; }

        /// <summary>
        /// album name
        /// </summary>
        public string AlbumName { get; set; }

        /// <summary>
        /// album url
        /// </summary>
        public string AlbumUrl { get; set; }

        /// <summary>
        /// track name
        /// </summary>
        public string TrackName { get; set; }

        /// <summary>
        /// track url
        /// </summary>
        public string TrackUrl { get; set; }

        /// <summary>
        /// description
        /// </summary>
        public string Description { get; set; }

        /// <summary>
        /// broken link
        /// </summary>
        public bool BrokenLink { get; set; }

        /// <summary>
        /// golha id
        /// </summary>
        public int GolhaTrackId { get; set; }

        /// <summary>
        /// approved
        /// </summary>
        public bool Approved { get; set; }

        /// <summary>
        /// instead of deleting rejected songs keep track of them
        /// </summary>
        public bool Rejected { get; set; }

        /// <summary>
        /// rejection cause
        /// </summary>
        public string RejectionCause { get; set; }

        /// <summary>
        /// Suggested by user id (only filled for review)
        /// </summary>
        public Guid? SuggestedById { get; set; }

        /// <summary>
        /// Suggested by user name (only filled for review)
        /// </summary>
        public string SuggestedByNickName { get; set; }

        /// <summary>
        /// to string
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            // album is optional for user supplied links, so empty parts are dropped rather than
            // rendered as an empty » » segment
            var parts = TrackType == PoemMusicTrackType.Golha
                ? new[] { AlbumName, TrackName }
                : new[] { ArtistName, AlbumName, TrackName };
            return string.Join(" » ", parts.Where(p => !string.IsNullOrWhiteSpace(p)));
        }
    }
}