using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Plugin.Floatplane.Channel;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;

namespace Jellyfin.Plugin.Floatplane.Tasks;

/// <summary>
/// Scheduled task: refresh creators/channels and warm the newest posts, then bump the
/// channel cache key so Jellyfin re-lists on the next browse. Found by type scanning.
/// </summary>
public class FloatplaneSyncTask : IScheduledTask, IConfigurableScheduledTask
{
    private readonly CatalogService _catalog;
    private readonly ILogger<FloatplaneSyncTask> _logger;

    public FloatplaneSyncTask(CatalogService catalog, ILogger<FloatplaneSyncTask> logger)
    {
        _catalog = catalog;
        _logger = logger;
    }

    /// <inheritdoc />
    public string Name => "Refresh Floatplane catalogue";

    /// <inheritdoc />
    public string Key => "FloatplaneSync";

    /// <inheritdoc />
    public string Description => "Reloads subscribed creators, their channels and the newest videos from Floatplane.";

    /// <inheritdoc />
    public string Category => "Floatplane";

    /// <inheritdoc />
    public bool IsHidden => false;

    /// <inheritdoc />
    public bool IsEnabled => true;

    /// <inheritdoc />
    public bool IsLogged => true;

    /// <inheritdoc />
    public async Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
    {
        _logger.LogInformation("Floatplane sync started");
        await _catalog.RefreshAsync(progress, cancellationToken).ConfigureAwait(false);
        _logger.LogInformation("Floatplane sync finished: {Creators} creators, generation {Gen}", _catalog.Creators.Count, _catalog.Generation);
    }

    /// <inheritdoc />
    public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
    {
        var hours = Math.Clamp(Plugin.Instance?.Configuration.SyncIntervalHours ?? 6, 1, 168);
        return
        [
            new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerStartup },
            new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(hours).Ticks }
        ];
    }
}