using Catalogger.Backend.Extensions;
using Catalogger.Backend.Services;
using Remora.Discord.API.Abstractions.Gateway.Events;
using Remora.Discord.Gateway.Responders;
using Remora.Results;

namespace Catalogger.Backend.Bot.Responders;

public class ReadyResponder(ILogger logger, WebhookExecutorService webhookExecutorService, Config config)
    : IResponder<IReady>
{
    private readonly ILogger _logger = logger.ForContext<ReadyResponder>();

    public Task<Result> RespondAsync(IReady gatewayEvent, CancellationToken ct = default)
    {
        var shardId = gatewayEvent.Shard.TryGet(out var shard) ? (shard.ShardID, shard.ShardCount) : (0, 1);
        _logger.Information("Ready as {User} on shard {ShardId} / {ShardCount}", gatewayEvent.User.Tag(), shardId.Item1,
            shardId.Item2);
        if (shardId.Item1 == 0) webhookExecutorService.SetSelfUser(gatewayEvent.User);
        // Sanity check
        var appId = gatewayEvent.Application.ID.ToUlong();
        _logger.Debug("Application ID is {ApplicationId}, is same as config? {SameAsConfig}", appId,
            appId == config.Discord.ApplicationId);

        return Task.FromResult(Result.Success);
    }
}