using System.Diagnostics.CodeAnalysis;

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


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


namespace GameServer;

public partial class InstanceRoom
{
    public async Task<bool> battleInstanceInit()
    {
        var result = await BattleInstanceManager.It.battleInstanceInit(this, _roomId);
        if (result.isFail())
        {
            Log.getLogger().error(result.toBasicString());
            return false;
        }
        
        return true;
    }

    public async Task<Result> sendGameModeInstanceJoinSuccess(Player player)
    {
        await Task.CompletedTask;
        //var game_mod_handler = GameModeManager.It.getGameModeJoinHandler(_placeType);
        return new();
    }


    public bool tryGetInstanceMember(string userGuid, [MaybeNullWhen(false)] out Player out_player)
    {
        out_player = null;
        if (false == m_players.TryGetValue(userGuid, out var player))
        {
            return false;
        }

        out_player = player;

        return true;

    }

    public List<BattleRoundingExistUsers> tryGetInstanceExistUserForLog()
    {
        List<BattleRoundingExistUsers> users = new();
        foreach (var player in m_players.Values)
        {
            BattleRoundingExistUsers user = new(player.getUserGuid(), player.getUserNickname());
            users.Add(user);
        }

        return users;
    }

    public async Task LeaveBattleInstanceRoom(Player player, bool disconnected)
    {
        var user_guid = player.getUserGuid();

        Log.getLogger().info($"BattleInstanceRoom.Leave() Start !!! - userGuid:{user_guid}, instanceRoomId:{_roomId}, sessionCount:{SessionCount}, addConnectedUser:{getMap().getCurrCountAsAddConnectedUser()}");

        if (m_players.TryRemove(player.getUserGuid(), out _))
        {
            await BattleInstanceRoomHandler.leaveBattleInstanceRoom(user_guid, _roomId);
        }

        var location_attribute = player.getEntityAttribute<LocationAttribute>();
        NullReferenceCheckHelper.throwIfNull(location_attribute, () => $"LocationAttribute is null !!! - player:{player.toBasicString()}");
        location_attribute.CurrentIndunLocation.clear();

        var game_zone_action = player.getEntityAction<GameZoneAction>();
        await game_zone_action.tryLeaveGameZone();

        if (SessionCount + getMap().getCurrCountAsAddConnectedUser() == 0)
        {
            if (!_isPartyInstance || _concertEnd)
            {
                await destroyRoom();
            }
        }
        else
        {
            {
                ClientToGame clientToGame = new ClientToGame();
                clientToGame.Message = new ClientToGameMessage();
                clientToGame.Message.LeaveInstanceRoomMember = new ClientToGameMessage.Types.LeaveInstanceRoomMember();
                clientToGame.Message.LeaveInstanceRoomMember.MemberGuid = player.getUserGuid();

                Broadcast(clientToGame);
            }
        }

        

        Log.getLogger().info($"InstanceRoom.Leave() Finish !!! - userGuid:{user_guid}, instanceRoomId:{_roomId}, sessionCount:{SessionCount}, addConnectedUser:{getMap().getCurrCountAsAddConnectedUser()}");
    }
    
}