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


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


using PARTY_GUID = System.String;
using USER_GUID = System.String;


namespace GameServer.PacketHandler;


[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.LeavePartyReq), typeof(LeavePartyPacketHandler), typeof(GameLoginListener))]
public class LeavePartyPacketHandler : PacketRecvHandler
{
    private static void send_S2C_ACK_LEAVE_PARTY(Player owner, Result result)
    {
        var ack_packet = new ClientToGame
        {
            Response = new ClientToGameRes
            {
                ErrorCode = result.ErrorCode,
                LeavePartyRes = new()
            }
        };
        
        GameServerApp.getServerLogic().onSendPacket(owner, ack_packet);
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
    {
        var result = new Result();
        string err_msg;
        var entity_player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(entity_player, () => "player is null !!!");
        
        // 1. 기본 정보 체크
        var request = (recvMessage as ClientToGame)?.Request.LeavePartyReq;
        if (null == request)
        {
            err_msg = $"Failed to get request type !!! : {nameof(ClientToGame.Request.LeavePartyReq)}";
            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
            Log.getLogger().error(result.toBasicString());
                
            send_S2C_ACK_LEAVE_PARTY(entity_player, result);
            return result;
        }

        // 2. 파티 떠나기 처리
        var personal_party_action = entity_player.getEntityAction<PersonalPartyAction>();
        result = await personal_party_action.leaveParty();

        send_S2C_ACK_LEAVE_PARTY(entity_player, result);
        await QuestManager.It.QuestCheck(entity_player, new QuestParty(EQuestEventTargetType.PARTY, EQuestEventNameType.EXITED));

        return result;
    }
}