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


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


using USER_GUID = System.String;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.PartyVoteReq), typeof(PartyVotePacketHandler), typeof(GameLoginListener))]
public class PartyVotePacketHandler : PacketRecvHandler
{
    private static void send_S2C_ACK_PARTY_VOTE(Player? owner, Result result)
    {
        ArgumentNullException.ThrowIfNull(owner);
        var ack_packet = new ClientToGame
        {
            Response = new ClientToGameRes
            {
                ErrorCode = result.ErrorCode,
                PartyVoteRes = 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;
        ArgumentNullException.ThrowIfNull(entity_player);

        // 1. 기본 정보 체크
        var request = (recvMessage as ClientToGame)?.Request.PartyVoteReq;
        if (null == request)
        {
            err_msg = $"Failed to get request type !!! : {nameof(ClientToGame.Request.PartyVoteReq)}";
            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
            Log.getLogger().error(result.toBasicString());

            send_S2C_ACK_PARTY_VOTE(entity_player, result);
            return result;
        }

        // 2. 소속 파티 Guid 조회
        var personal_party_action = entity_player.getEntityAction<PersonalPartyAction>();
        ArgumentNullException.ThrowIfNull(personal_party_action);

        var personal_party = personal_party_action.getPersonalParty();
        if (null == personal_party)
        {
            err_msg = $"Failed to get party info !!! - not party member - {entity_player.getUserGuid()}";
            result.setFail(ServerErrorCode.NotParty, err_msg);
            Log.getLogger().error(err_msg);

            send_S2C_ACK_PARTY_VOTE(entity_player, result);
            return result;
        }

        var global_party = GameServerApp.getServerLogic().findGlobalEntity<GlobalParty>();
        ArgumentNullException.ThrowIfNull(global_party);

        var party = global_party.getParty(personal_party.getPartyGuid());
        ArgumentNullException.ThrowIfNull(party);

        // 3. 파티장 체크
        var party_action = party.getEntityAction<GlobalPartyDetailAction>();
        ArgumentNullException.ThrowIfNull(party_action);

        var is_leader = party_action.isLeader(entity_player.getUserGuid());
        if (!is_leader)
        {
            err_msg = $"Failed to summon party member !!! : not party leader - {entity_player.getUserGuid()}";
            result.setFail(ServerErrorCode.NotPartyLeader, err_msg);
            Log.getLogger().error(err_msg);

            send_S2C_ACK_PARTY_VOTE(entity_player, result);
            return result;
        }
        
        // 4. Vote 시작
        var party_info_action = party.getEntityAction<GlobalPartyDetailInfoAction>();
        ArgumentNullException.ThrowIfNull(party_info_action);

        var start_vote = await party_info_action.registerPartyVote(request.VoteInfo, DateTime.UtcNow.ToTimestamp(), true);
        if (start_vote.result.isFail())
        {
            send_S2C_ACK_PARTY_VOTE(entity_player, start_vote.result);
            return result;
        }
        NullReferenceCheckHelper.throwIfNull(start_vote.vote, () => $"start_vote.vote is null !!!");
        
        // 4. vote 시작 알림 ( to server )
        var server_message = new ServerMessage();
        server_message.PartyVoteNoti = new();
        server_message.PartyVoteNoti.PartyGuid = party.PartyGuid;
        server_message.PartyVoteNoti.VoteTitle = start_vote.vote.VoteTitle;
        server_message.PartyVoteNoti.VoteStartTime = start_vote.vote.StartVoteTime;

        PartyHelper.BroadcastToServers(party, server_message, true);
        
        // 5. vote 시작 알림 ( to client )
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyVoteNoti = new();
        client_message.Message.PartyVoteNoti.VoteTitle = start_vote.vote.VoteTitle;
        client_message.Message.PartyVoteNoti.VoteStartTime = start_vote.vote.StartVoteTime;
        
        PartyHelper.BroadcastToClients(party, client_message, new List<USER_GUID>());
        
        // 6. business log 기록
        writeBusinessLog(entity_player, party.PartyGuid);
        
        return result;
    }

    private void writeBusinessLog(Player owner, string partyGuid)
    {
        var log_invokers = new List<ILogInvoker>(2);
        
        // 1. 파티 정보
        var party_log_data = PartyBusinessLogHelper.toPartyLogData(partyGuid, false);
        ArgumentNullException.ThrowIfNull(party_log_data);
        var party_business_log = new PartyBusinessLog(party_log_data);
        log_invokers.Add(party_business_log);
        
        // 2. 파티 투표 정보
        var party_vote_log_data = PartyBusinessLogHelper.toPartyVoteLogData(partyGuid, true);
        ArgumentNullException.ThrowIfNull(party_vote_log_data);
        var party_vote_business_log = new PartyVoteBusinessLog(party_vote_log_data);
        log_invokers.Add(party_vote_business_log);

        BusinessLogger.collectLogs(new LogActionEx(LogActionType.StartPartyVote), owner, log_invokers);

    }
}