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


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


using static ClientToGameRes.Types;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_SEARCH_NICKNAME), typeof(SearchNicknamePacketHandler), typeof(GameLoginListener))]
internal class SearchNicknamePacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_SEARCH_NICKNAME(Player owner, Result result, int searchResultCount, int totalPageNum, int currentPageNum, List<string>? nicknames)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckSearchNickname = new GS2C_ACK_SEARCH_NICKNAME();

        if (result.isSuccess())
        {
            ack_packet.Response.AckSearchNickname.SearchResultCount = searchResultCount;
            ack_packet.Response.AckSearchNickname.TotalPage = totalPageNum;
            ack_packet.Response.AckSearchNickname.CurrentPage = currentPageNum == 0 ? 1 : currentPageNum;
            ack_packet.Response.AckSearchNickname.Nicknames.AddRange(nicknames);
        }

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, Google.Protobuf.IMessage recvMessage)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var entity_player = entityWithSession as Player;
        ArgumentNullException.ThrowIfNull(entity_player);

        var req_msg = recvMessage as ClientToGame;
        ArgumentNullException.ThrowIfNull(req_msg);

        var request = req_msg.Request.ReqSearchNickname;

        var search_nickname_action = entity_player.getEntityAction<SearchNicknameAction>();
        ArgumentNullException.ThrowIfNull(search_nickname_action);

        (result, var nicknames) = await search_nickname_action.trySearchNickname(request.SearchString, request.PageNum);
        if (result.isFail())
        {
            err_msg = $"Failed to trySearchNickname() !!! : {result.toBasicString()} - {entity_player.toBasicString()}";
            Log.getLogger().error(err_msg);

            send_S2C_ACK_SEARCH_NICKNAME(entity_player, result, 0, 0, 0, null);
            return result;
        }

        var total_page_num = search_nickname_action.getSearchResultTotalPageCount();
        var search_result_count = search_nickname_action.getSearchResultCount();

        send_S2C_ACK_SEARCH_NICKNAME(entity_player, result, search_result_count, total_page_num, request.PageNum, nicknames);
        return result;
    }
}