using System;
using System.Collections.Concurrent;
using DragonDataSniffer.Network.Networking;
using DragonDataSniffer.Data;

namespace DragonDataSniffer.Object
{
    public class NPC : MapObject
    {
        public ushort MapID { get; set; }
        public ushort MobID { get; private set; }
        public MobInfo PInfo { get; set; }
        public int X { get; private set; }
        public int Y { get; private set; }
        public byte Rot { get; private set; }
        public bool HasMenu { get; private set; }
        public NPCRole Role { get; set; }
        public NPCArgument Argument { get; set; }
        public byte IsGate { get; private set; }
        public string GateName { get; private set; }
        public ConcurrentDictionary<byte, NPCItem> ItemList { get; private set; }
        public NPC(SQLResult pRes, int i = 0) : base()
        {
			ushort MobID = pResult.Read<ushort>(i, "MobID");
			ushort MapID = pResult.Read<ushort>(i, "MapID");

			if (!MobDataProvider.GetMobInfoByID(MobID, out MobInfo mobInfo))
			{
				throw new InvalidOperationException("Can't find MobInfo for NPC. Mob ID: " + MobID);
			}

			MobInfo = mobInfo;

			if (!MapDataProvider.GetMapInfoByID(MapID, out MapInfo mapInfo))
			{
				throw new InvalidOperationException("Can't find MapInfo for NPC. Map ID: " + MapID);
			}

			int WayPointId = pResult.Read<int>(i, "WayPoint");
			WayPointInfo WayPoint = null;

			if (WayPointId != 0 && !MobDataProvider.GetWayPointById(WayPointId, out WayPoint))
			{
				throw new InvalidOperationException($"Can't find Waypoint {WayPointId} for NPC MobId {MobID}");
			}

			if (WayPoint != null)
			{
				WayPointInfo = WayPoint;
			}

			MapInfo = mapInfo;
			uint X = pResult.Read<uint>(i, "X");
			uint Y = pResult.Read<uint>(i, "Y");
			int RotationInt = pResult.Read<int>(i, "Rotation");
			Position = new Position(X, Y, (byte)(RotationInt < 0 ? ((360 + RotationInt) / 2) : (RotationInt / 2)));
			HasNPCMenu = pResult.Read<bool>(i, "HasMenu");
			Role = (NPCRole)pResult.Read<byte>(i, "Role");
			RoleArgument = (NPCArgument)pResult.Read<ushort>(i, "RoleArgument");
		}

        public NPC(FiestaPacket packet, ushort pMapID) : base()
        {
            string pGateName = "";
            NPCRole role = NPCRole.None;
            if (!packet.TryReadUInt16(out ushort pObjectID)
                  || !packet.TryReadByte(out byte pUnk)
                  || !packet.TryReadUInt16(out ushort pMobID)
                  || !packet.TryReadInt32(out int pX)
                  || !packet.TryReadInt32(out int pY)
                  || !packet.TryReadByte(out byte pRot)
                  || !packet.TryReadByte(out byte pIsGate))
            {
                return;
            }

            if (pIsGate == 1)
            {
                Role = NPCRole.Gate;
                packet.TryReadString(out pGateName, 12);
                packet.ReadSkip(125);
            }
            else
            {
                packet.ReadSkip(137);
            }

            ItemList = new ConcurrentDictionary<byte, NPCItem>();
            MapObjectID = pObjectID;
            MobID = pMobID;
            MapID = pMapID;
            X = pX;
            Y = pY;
            Rot = pRot;
            IsGate = pIsGate;
            GateName = pGateName;
            Role = role;

            if (Manager.NPCDataManager.Instance.NPCByID.TryGetValue(pMobID, out MobInfo mInfo))
            {
                PInfo = mInfo;
            }
        }

        public bool AddItem(NPCItem pItem, bool Save = false)
        {
            if (ItemList.TryAdd(pItem.Slot, pItem))
            {
                if (Save)
                {
                    pItem.AddToDB();
                }
                return true;
            }
            return false;
        }
        public void UpdateArgument()
        {
            string update = "UPDATE NPCTable SET RoleArgument = '" + (byte)Argument + "',Role = '" + (byte)Role + "' WHERE MobID = '" + MobID + "'";
            DatabaseManager.RunSQL(update);
        }
        public void AddToDB()
        {
            string NpcString = "INSERT INTO NPCTable (MobID,MapID,X,Y,Rotation,HasMenu,Role,RoleArgument)" +
               "VALUES ("
                  + "'" + MobID + "',"
                  + "'" + MapID + "',"
                  + "'" + X + "',"
                  + "'" + Y + "',"
                  + "'" + Rot + "',"
                  + "'" + Convert.ToByte(HasMenu) + "',"
                  + "'" + (byte)Role + "',"
                  + "'" + (byte)Argument + "')";

            DatabaseManager.RunSQL(NpcString);
        }
    }
}