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


using ServerCore;
using ServerBase;
using ServerCommon;

using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


using ANCHOR_GUID = System.String;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_FINISH_CRAFT), typeof(FinishCraftPacketHandler), typeof(GameLoginListener))]
public class FinishCraftPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_FINISH_CRAFT(Player player, Result result, ANCHOR_GUID anchor_guid = "", string beacon_guid = "", List<Item>? add_changed_items = null)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckFinishCraft = new GS2C_ACK_FINISH_CRAFT();

        if (result.isSuccess())
        {
            if (add_changed_items != null)
            {
                ack_packet.Response.AckFinishCraft.Items.AddRange(add_changed_items.Select(item => item.toItemData4Client()));
            }

            ack_packet.Response.AckFinishCraft.AnchorGuid = anchor_guid;
            ack_packet.Response.AckFinishCraft.BeaconGuid = beacon_guid;
        }

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

        return true;
    }

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

        var entity_player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(entity_player, () => $"entity_player is null !!!" );

        var craft_action = entity_player.getEntityAction<CraftAction>();
        if (craft_action == null)
        {
            err_msg = $"Failed to get craft action : {nameof(CraftAction)}";
            result.setFail(ServerErrorCode.EntityActionNotFound, err_msg);
            Log.getLogger().error(err_msg);

            send_S2C_ACK_FINISH_CRAFT(entity_player, result);
            return result;
        }

        var game_msg = recvMessage as ClientToGame;
        if (game_msg == null)
        {
            err_msg = $"Failed to cast ClientToGame !!! : {nameof(ClientToGame.Request.ReqFinishCraft)}";
            result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
            Log.getLogger().error(result.toBasicString());

            send_S2C_ACK_FINISH_CRAFT(entity_player, result);
            return result;
        }

        var request = game_msg.Request.ReqFinishCraft;

        result = await craft_action.FinishCraftProcess(request.AnchorGuid);
        if (result.isFail())
        {
            return result;
        }

        return result;
    }

    public override async Task onProcessPacketException(ISession entityWithSession, IMessage recvMessage
                               , Result errorResult)
    {
        await Task.CompletedTask;

        var player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!! - {entityWithSession.toBasicString()}");

        send_S2C_ACK_FINISH_CRAFT(player, errorResult);
    }
}