using Jellyfin.Plugin.Vanguard.Configuration;
using Jellyfin.Plugin.Vanguard.Services;
using MediaBrowser.Model.Tasks;
using Microsoft.Extensions.Logging;

namespace Jellyfin.Plugin.Vanguard.Tasks;

/// <summary>Every 5 minutes: pull the guild's scheduled events into the persistent history.</summary>
public sealed class DiscordSnapshotTask : IScheduledTask
{
    private readonly DiscordClient _discord;
    private readonly EventStore _store;
    private readonly ILogger<DiscordSnapshotTask> _log;
    public DiscordSnapshotTask(DiscordClient discord, EventStore store, ILogger<DiscordSnapshotTask> log) { _discord = discord; _store = store; _log = log; }

    public string Name => "Vanguard: snapshot Discord events";
    public string Key => "VanguardDiscordSnapshot";
    public string Description => "Keeps a history of Discord scheduled events so recordings can be matched to them later.";
    public string Category => "Vanguard";

    public async Task ExecuteAsync(IProgress<double> progress, CancellationToken ct)
    {
        var cfg = Plugin.Instance?.Configuration ?? new PluginConfiguration();
        if (string.IsNullOrWhiteSpace(cfg.DiscordBotToken) || string.IsNullOrWhiteSpace(cfg.DiscordGuildId)) { _log.LogInformation("Discord not configured; skipping"); return; }
        var events = await _discord.GetScheduledEventsAsync(cfg.DiscordBotToken, cfg.DiscordGuildId, ct).ConfigureAwait(false);
        _store.Merge(events);
        _log.LogInformation("Discord snapshot: {Fresh} current events, {Total} in history", events.Count, _store.Count);
        progress.Report(100);
    }

    public IEnumerable<TaskTriggerInfo> GetDefaultTriggers() =>
    [
        new TaskTriggerInfo { Type = TaskTriggerInfoType.IntervalTrigger, IntervalTicks = TimeSpan.FromMinutes(5).Ticks },
        new TaskTriggerInfo { Type = TaskTriggerInfoType.StartupTrigger },
    ];
}