using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Tasks;

namespace Emby.Server.Implementations.ScheduledTasks
{
    /// <summary>
    /// Class PeopleValidationTask
    /// </summary>
    public class PeopleValidationTask : IScheduledTask
    {
        /// <summary>
        /// The _library manager
        /// </summary>
        private readonly ILibraryManager _libraryManager;

        private readonly IServerApplicationHost _appHost;

        /// <summary>
        /// Initializes a new instance of the <see cref="PeopleValidationTask" /> class.
        /// </summary>
        /// <param name="libraryManager">The library manager.</param>
        /// <param name="appHost">The server application host</param>
        public PeopleValidationTask(ILibraryManager libraryManager, IServerApplicationHost appHost)
        {
            _libraryManager = libraryManager;
            _appHost = appHost;
        }

        /// <summary>
        /// Creates the triggers that define when the task will run
        /// </summary>
        public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
        {
            return new[]
            {
                // Every so often
                new TaskTriggerInfo
                {
                    Type = TaskTriggerInfo.TriggerInterval,
                    IntervalTicks = TimeSpan.FromDays(7).Ticks
                }
            };
        }

        /// <summary>
        /// Returns the task to be executed
        /// </summary>
        /// <param name="cancellationToken">The cancellation token.</param>
        /// <param name="progress">The progress.</param>
        /// <returns>Task.</returns>
        public Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
        {
            return _libraryManager.ValidatePeople(cancellationToken, progress);
        }

        /// <summary>
        /// Gets the name of the task
        /// </summary>
        /// <value>The name.</value>
        public string Name => "Refresh people";

        /// <summary>
        /// Gets the description.
        /// </summary>
        /// <value>The description.</value>
        public string Description => "Updates metadata for actors and directors in your media library.";

        /// <summary>
        /// Gets the category.
        /// </summary>
        /// <value>The category.</value>
        public string Category => "Library";

        public string Key => "RefreshPeople";

        public bool IsHidden => false;

        public bool IsEnabled => true;

        public bool IsLogged => true;
    }
}