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


using ServerCore;
using ServerBase;
using ServerCommon;


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


using META_ID = System.UInt32;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_START_CRAFT), typeof(StartCraftPacketHandler), typeof(GameLoginListener))]
public class StartCraftPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_START_CRAFT(Player player, Result result, Craft? craft = null, List<Item>? remove_changed_items = null, Pos? beacon_pos = null)
    {
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        ArgumentNullReferenceCheckHelper.throwIfNull(result, () => $"result is null !!! - {player.toBasicString()}");

        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckStartCraft = new GS2C_ACK_START_CRAFT();

        if (result.isSuccess())
        {
            ArgumentNullReferenceCheckHelper.throwIfNull(craft, () => $"craft is null !!! - {player.toBasicString()}");
            ArgumentNullReferenceCheckHelper.throwIfNull(remove_changed_items, () => $"remove_changed_items is null !!! - {player.toBasicString()}");

            ack_packet.Response.AckStartCraft.CraftInfo = craft.toCraftData4Client();
            ack_packet.Response.AckStartCraft.Items.AddRange(remove_changed_items.Select(item => item.toItemData4Client()));
            ack_packet.Response.AckStartCraft.BeaconPos = beacon_pos;
        }

        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 player = entityWithSession as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        var game_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(game_msg, () => $"game_msg is null !!! - {player.toBasicString()}");
        var request = game_msg.Request.ReqStartCraft;
        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        var player_action = player.getEntityAction<PlayerAction>();
        NullReferenceCheckHelper.throwIfNull(player_action, () => $"player_action is null !!! - {player.toBasicString()}");

        // 1. 캐릭터 선택 상태 체크
        var selected_character = player_action.getSelectedCharacter();
        if (null == selected_character)
        {
            err_msg = $"Not selected Character !!! - {player.toBasicString()}";
            result.setFail(ServerErrorCode.CharacterNotSelected, err_msg);
            Log.getLogger().error(result.toBasicString());

            StartCraftPacketHandler.send_S2C_ACK_START_CRAFT(player, result);
            return result;
        }

        var craft_action = player.getEntityAction<CraftAction>();
        NullReferenceCheckHelper.throwIfNull(craft_action, () => $"craft_action is null !!! - {player.toBasicString()}");

        result = await craft_action.StartCraftProcess(request.AnchorGuid, (META_ID)request.CraftMetaId, request.BeaconGuid, request.BeaconPos, request.CraftCount);
        if (result.isFail())
        {
            return result;
        }

        await QuestManager.It.QuestCheck(player, new QuestCrafting(EQuestEventTargetType.CRAFTING, EQuestEventNameType.STARTED, request.CraftMetaId));

        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_START_CRAFT(player, errorResult);
    }
}