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)
    : 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);

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