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


using ServerCore;
using ServerBase;
using ServerCommon;


namespace GameServer.PacketHandler;


[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.ClaimRewardReq), typeof(ClaimRewardPacketHandler), typeof(GameLoginListener))]
public class ClaimRewardPacketHandler : PacketRecvHandler
{
    public override async Task<Result> onProcessPacket(ISession session, IMessage recvMessage)
    {
        var owner = session as Player;
        NullReferenceCheckHelper.throwIfNull(owner, () => $"owner is null !!!");

        var recv_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!!");

        var request = recv_msg.Request.ClaimRewardReq;
        var claim_type = request.ClaimType;
        var claim_id = request.ClaimId;


        ClaimRewardReference claim_reward_ref = new();
        claim_reward_ref.m_claim_id = claim_id;
        

        System.Enum.TryParse(claim_type.ToString(), out MetaAssets.ClaimType parsedType);
        claim_reward_ref.m_claim_type = parsedType;

        claim_reward_ref.m_user_guid = owner.getUserGuid();

        var result = await claimReward(owner, claim_reward_ref);
        if (result.isFail())
        {
            send_GS2C_ACK_CLAIM_REWARD_FAIL(owner, result);
            return result;
        }

        send_GS2C_ACK_CLAIM_REWARD(owner, result, claim_reward_ref);

        NullReferenceCheckHelper.throwIfNull(claim_reward_ref.m_meta_data, () => $"claim_reward_ref.m_meta_data is null !!!");
        var rewards = claim_reward_ref.m_meta_data.DetailInfo.Values.ToList();
        foreach (var reward in rewards)
        {
            await QuestManager.It.QuestCheck(owner, new QuestReward(EQuestEventTargetType.REWARD, EQuestEventNameType.RECEIVED, reward.RewardGroupId));
        }
       
        return result;
    }

    private async Task<Result> claimReward(Player owner, ClaimRewardReference claimRewardRef)
    {
        var claim_reward_action = owner.getEntityAction<ClaimRewardAction>();

        var result = claim_reward_action.claimRewardConditionCheck(ref claimRewardRef);
        if (result.isFail()) return result;

        result = await owner.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "RewardClaim", delegateRewardClaim);
        if (result.isFail())
        {
            string err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {owner.toBasicString()}";
            Log.getLogger().error(err_msg);
            return result;
        }

        return result;

        async Task<Result> delegateRewardClaim() => await rewardClaim(owner, claimRewardRef);
    }

    private async Task<Result> rewardClaim(Player owner, ClaimRewardReference claimRewardRef)
    {
        var claim_reward_action = owner.getEntityAction<ClaimRewardAction>();
        var result = await claim_reward_action.rewardClaim(claimRewardRef);

        var server_logic = GameServerApp.getServerLogic();
        var batch = new QueryBatchEx<QueryRunnerWithDocument>(owner, LogActionType.ClaimReward, server_logic.getDynamoDbClient());
        {
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
        }
        var log_invoker = new ClaimRewardBusinessLog(claimRewardRef.m_claim_id, (int)claimRewardRef.m_claim_type, claimRewardRef.m_reward_group_id);
        batch.appendBusinessLog(log_invoker);

        result = await QueryHelper.sendQueryAndBusinessLog(batch);
        if (result.isFail()) return result;

        var found_transaction_runner = owner.findTransactionRunner(TransactionIdType.PrivateContents);
        NullReferenceCheckHelper.throwIfNull(found_transaction_runner, () => $"found_transaction_runner is null !!! - {owner.toBasicString()}");
        var common_result = found_transaction_runner.getCommonResult();
        claimRewardRef.m_common_result = common_result;


        return result;
    }

    private static bool send_GS2C_ACK_CLAIM_REWARD_FAIL(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.ClaimRewardRes = new();

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

        return true;
    }

    private static bool send_GS2C_ACK_CLAIM_REWARD(Player owner, Result result, ClaimRewardReference claimRewardRef)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();
        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.ClaimRewardRes = new();
        ack_packet.Response.ClaimRewardRes.ClaimId = claimRewardRef.m_claim_id;
        ack_packet.Response.ClaimRewardRes.CommonResult = claimRewardRef.m_common_result;
        //var rewarded_items = claimRewardRef.m_rewarded_items;
        //var rewarded_money = claimRewardRef.m_rewared_money;
        //var items = RewardManager.Instance.convertItemAndMoneyToItem(rewarded_items, rewarded_money);
        //ack_packet.Response.ClaimRewardRes.RewardItems.AddRange(items);

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

        return true;
    }
}