using System;
using Dapper.Contrib.Extensions;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;

namespace PlexRequests.Store
{
    [Table("Requested")]
    public class RequestedModel : Entity
    {
        public RequestedModel()
        {
            RequestedUsers = new List<string>();
        }

        // ReSharper disable once IdentifierTypo
        public int ProviderId { get; set; }
        public string ImdbId { get; set; }
        public string Overview { get; set; }
        public string Title { get; set; }
        public string PosterPath { get; set; }
        public DateTime ReleaseDate { get; set; }
        public RequestType Type { get; set; }
        public string Status { get; set; }
        public bool Approved { get; set; }

        [Obsolete("Use RequestedUsers")]
        public string RequestedBy { get; set; }

        public DateTime RequestedDate { get; set; }
        public bool Available { get; set; }
        public IssueState Issues { get; set; }
        public string OtherMessage { get; set; }
        public string AdminNote { get; set; }
        public int[] SeasonList { get; set; }
        public int SeasonCount { get; set; }
        public string SeasonsRequested { get; set; }
        public string MusicBrainzId { get; set; }
        public List<string> RequestedUsers { get; set; }
        public string ArtistName { get; set; }
        public string ArtistId { get; set; }
        public List<string> UsersToNotify { get; private set; }

        [JsonIgnore]
        public List<string> AllUsers
        {
            get
            {
                var u = new List<string>();
                if (!string.IsNullOrEmpty(RequestedBy))
                {
                    u.Add(RequestedBy);
                }

                if (RequestedUsers.Any())
                {
                    u.AddRange(RequestedUsers.Where(requestedUser => requestedUser != RequestedBy));
                }
                return u;
            }
        }

        [JsonIgnore]
        public bool CanApprove => !Approved && !Available;

        public bool UserHasRequested(string username)
        {
            return AllUsers.Any(x => x.Equals(username, StringComparison.OrdinalIgnoreCase));
        }

        public void AddUserToNotification(string username)
        {
            if (UsersToNotify == null)
            {
                UsersToNotify = new List<string>();
            }
            if (UsersToNotify.FirstOrDefault(x => x == username) != null)
            {
                // User already exists in the notification list
                return;
            }

            UsersToNotify.Add(username);
        }
    }

    public enum RequestType
    {
        Movie,
        TvShow,
        Album
    }

    public enum IssueState
    {
        None = 99,
        WrongAudio = 0,
        NoSubtitles = 1,
        WrongContent = 2,
        PlaybackIssues = 3,
        Other = 4 // Provide a message    
    }
}