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

namespace Jellyfin.Plugin.MediaCleaner.Helpers;

public class MovieHelper(ILogger logger)
{
    private readonly LoggingHelper _loggingHelper = new(logger);

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

    public bool IsMovieStale(BaseItem movie)
    {
        _loggingHelper.LogDebugInformation("Start of scanning for movie: {Movie}", movie);
        _loggingHelper.LogDebugInformation("-------------------------------------------------");

        bool movieIsStale = false;

        bool createdOutsideCutoff = movie.DateCreated < DateTime.Now.AddDays(-Configuration.StaleMediaCutoff);
        bool hasUserData = movie.UserData.Where(data => data.LastPlayedDate != null).ToList().Count > 0;

        if (hasUserData)
        {
            var mostRecentUserData = movie.UserData.OrderByDescending(data => data.LastPlayedDate).First(data => data.LastPlayedDate != null);

            _loggingHelper.LogDebugInformation("Most recent user data: {Movie}", movie);

            foreach (var property in typeof(UserData).GetProperties())
            {
                _loggingHelper.LogDebugInformation("{PropertyName}: {PropertyValue}", property.Name, property.GetValue(mostRecentUserData));
            }

            _loggingHelper.LogDebugInformation("-------------------------------------------------");

            if (mostRecentUserData.LastPlayedDate < DateTime.Now.AddDays(-Configuration.StaleMediaCutoff))
            {
                _loggingHelper.LogDebugInformation("Most recent user data has last played date that is outside of cutoff.");
                _loggingHelper.LogDebugInformation("Adding {Movie} to stale movies.", movie);
                _loggingHelper.LogDebugInformation("With Last Played Date: {LastPlayedDate}", mostRecentUserData.LastPlayedDate);

                movieIsStale = true;
            }
        }
        else if (createdOutsideCutoff)
        {
            _loggingHelper.LogDebugInformation("Movie has no user data and was created outside of cutoff: {DateCreated}.", movie.DateCreated);
            _loggingHelper.LogDebugInformation("Adding {Movie} to stale movies.", movie);
            movieIsStale = true;
        }

        _loggingHelper.LogDebugInformation("-------------------------------------------------");
        _loggingHelper.LogDebugInformation("End of scanning for movie: {Movie}", movie);

        return movieIsStale;
    }

}