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
{
    private readonly ILogger _logger;

    public MovieHelper(ILogger logger)
    {
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }

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

    public bool IsMovieStale(BaseItem movie)
    {
        if (Configuration.DebugMode)
        {
            _logger.LogInformation("-------------------------------------------------");
            _logger.LogInformation("Start of scanning for movie: {Movie}", movie);
            _logger.LogInformation("-------------------------------------------------");
        }

        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);

            if (Configuration.DebugMode){
                _logger.LogInformation("Most recent user data: {Movie}", movie);

                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 last played date is outside of cutoff. Adding {Movie} to stale movies.", movie);
                }
                movieIsStale = true;
            }
        }
        else if (createdOutsideCutoff)
        {
            if (Configuration.DebugMode)
            {
                _logger.LogInformation("Movie has no user data and was created outside of cutoff: {DateCreated}. Adding {Movie} to stale movies.", [movie.DateCreated, movie]);
            }
            movieIsStale = true;
        }

        if (Configuration.DebugMode)
        {
            _logger.LogInformation("-------------------------------------------------");
            _logger.LogInformation("End of scanning for movie: {Movie}", movie);
            _logger.LogInformation("-------------------------------------------------");
        }

        return movieIsStale;
    }

}