using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using Jellyfin.Database.Implementations.Entities;
using Jellyfin.Database.Implementations.Entities.Libraries;
using Jellyfin.Plugin.MediaCleaner.Configuration;
using MediaBrowser.Controller.Entities;
using Microsoft.Extensions.Logging;


namespace Jellyfin.Plugin.MediaCleaner.Helpers;

public class SeriesHelper
{
    private readonly ILogger _logger;
    private readonly LoggingHelper _loggingHelper;

    public SeriesHelper(ILogger logger)
    {
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
        _loggingHelper = new LoggingHelper(logger);
    }

    private static PluginConfiguration Configuration =>
        Plugin.Instance!.Configuration;

    public bool IsSeasonUserDataStale(IReadOnlyList<BaseItem> episodes, int seasonNumber)
    {
        bool seasonIsStale = false;

        var episodesWithUserData = episodes.Where(episode => episode.UserData.Where(data => data.LastPlayedDate != null).ToList().Count > 0).ToList();

        _loggingHelper.PrintDebugEpisodesWithUserData(episodesWithUserData);

        foreach (var episode in episodesWithUserData)
        {
            var mostRecentUserData = episode.UserData.OrderByDescending(data => data.LastPlayedDate).Where(data => data.LastPlayedDate != null).First();
            if(Configuration.DebugMode){
                _logger.LogInformation("User data for episode: {Episode}", episode);
                _logger.LogInformation("-------------------------------------------------");
                foreach (var property in typeof(UserData).GetProperties())
                {
                    _logger.LogInformation("{PropertyName}: {PropertyValue}", property.Name, property.GetValue(mostRecentUserData));
                }
                _logger.LogInformation("-------------------------------------------------");
            }
            if (mostRecentUserData.LastPlayedDate < DateTime.Now.AddDays(-Configuration.StaleMediaCutoff))
            {
                if(Configuration.DebugMode){
                    _logger.LogInformation("Most recent user data has a last played date of: {LastPlayedDate}. Therefore all episodes are stale. Adding Season {SeasonNumber} to stale list.", [mostRecentUserData.LastPlayedDate, seasonNumber]);
                    _logger.LogInformation("-------------------------------------------------");
                }

                seasonIsStale = true;
            }
        }

        return seasonIsStale;
    }
}