using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


using StackExchange.Redis;


using ServerCore;


namespace ServerBase;

public class ServerMetricsManager : Singleton<ServerMetricsManager>
{
    public static readonly int KEEP_SERVER_UPDATE_INTERVAL_MSEC = (10 * 1000);

    private ServerMetricsCacheRequest? m_server_Metrics_handler;
    private ConcurrentDictionary<string, ServerMetricsCacheRequest.CacheServerKey> m_cache_server_keys = new();

    private bool m_is_setup_completed = false;

    public Result setup(RedisConnector redisConnector)
    {
        var result = new Result();

        m_server_Metrics_handler = new ServerMetricsHandler(this, redisConnector);

        m_is_setup_completed = true;

        return result;
    }

    public ServerMetricsCacheRequest getServerMetricsCacheRequest()
    {
        NullReferenceCheckHelper.throwIfNull(m_server_Metrics_handler, () => $"found_request is null !!!");
        return m_server_Metrics_handler;
    }

    public bool isSetupCompleted() => m_is_setup_completed;

    public ConcurrentDictionary<string, ServerMetricsCacheRequest.CacheServerKey> getCacheServers() => m_cache_server_keys;
}