using ServerCommon;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ServerCore; using ServerBase;

namespace GameServer
{
    internal static class LocationHelper
    {
        public static string getCurrentInstanceRoomId(this Player player)
        {
            var location_attribute = player.getOriginEntityAttribute<LocationAttribute>();
            NullReferenceCheckHelper.throwIfNull(location_attribute, () => $"location_attribute is null !!! - {player.toBasicString()}");

            return location_attribute.CurrentIndunLocation.InstanceRoomId;
        }

        public static UserLocationInfo getUserLocationInfo(this Player player)
        {
            var location_action = player.getEntityAction<LocationAction>();
            var server_logic = GameServerApp.getServerLogic();

            var is_channel = server_logic.getServerType().toServerType() == ServerType.Channel ? 1 : 0;
            var channel_no = (is_channel == 1) ? (int)server_logic.getChannelNo() : 0;
            
            var location_info = new UserLocationInfo
            {
                Id = location_action.getCurrentMapMId(),
                ChannelNumber = channel_no,
                IsChannel = is_channel
            };
            return location_info;
        }

        public static PositionInfo getCurrentPositionInfo(this Player player)
        {
            var position_info = new PositionInfo();
            
            var game_zone_action = player.getEntityAction<GameZoneAction>();
            NullReferenceCheckHelper.throwIfNull(game_zone_action, () => $"game_zone_action is null !!! - {player.toBasicString()}");

            var location_action = player.getEntityAction<LocationAction>();
            NullReferenceCheckHelper.throwIfNull(location_action, () => $"location_action is null !!! - {player.toBasicString()}");

            position_info.ServerName = GameServerApp.getServerLogic().getServerName();
            position_info.MapFileType = game_zone_action.getLinkedToMap()?.MapFileType ?? MapFileType.None;
            position_info.MapMid = location_action.getCurrentMapMId();
            position_info.RoomId = game_zone_action.getLinkedToMap()?.m_room_id ?? "";
            position_info.Pos = location_action.getCurrentPos();

            return position_info;
        }
    }
}