using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;



namespace GameServer;

public class GameChannel
{
    public Int32 channel = 0;
    public Int32 trafficlevel = 0;
}

public class ChannelManager
{
    public List<GameChannel> m_channels = new List<GameChannel>(1000);

    public ChannelManager() { }

    public async Task updateChannels()
    {
        m_channels.Clear();

        var server_logic = GameServerApp.getServerLogic();
        (var result, var server_infos) = await server_logic.getServerInfosByServerType(ServerType.Channel, server_logic.getWorldId());

        foreach (var channel in server_infos)
        {
            if (GameServerApp.getServerLogic().getWorldId() != channel.WorldId) continue;
            
            GameChannel gameChannel = new GameChannel();
            gameChannel.channel = channel.Channel;

            var curr_users = channel.Sessions + channel.Reservation + channel.ReturnCount;
            gameChannel.trafficlevel = getTrafficLevel(curr_users, channel.Capacity);

            m_channels.Add(gameChannel);
        }
    }

    public List<GameChannel> getWholeChannels()
    {
        return m_channels;
    }

    public int getTrafficLevel(int CurUser, int MaxUser)
    {
        double trafficPercent = (double)CurUser / (double)MaxUser * (double)100;
        int trafficLevel = 0;

        if (0 <= trafficPercent && trafficPercent < 80.0f)
        {
            trafficLevel = 0;
        }
        else if (80.0f <= trafficPercent && trafficPercent < 100.0f)
        {
            trafficLevel = 1;
        }
        else if (100.0f <= trafficPercent)
        {
            trafficLevel = 2;
        }


        return trafficLevel;
    }
}