// Copyright 2018 RED Software, LLC. All Rights Reserved.

using IgniteEngine;
using IgniteEngine.Content.GameObjects;
using IgniteEngine.Definitions.SHN;
using IgniteEngine.IO;
using IgniteEngine.Networking;
using IgniteEngine.Protocols;
using WorldManagerServer.Services;

namespace WorldManagerServer.Handlers
{
    internal static class AvatarHandlers
    {
        internal static void NC_AVATAR_CREATE_REQ(NetworkMessage message, NetworkConnection connection)
        {
            var slot = message.ReadByte();
            var name = message.ReadString(20);
            var classGenderRace = message.ReadByte();
            var hair = message.ReadByte();
            var hairColor = message.ReadByte();
            var face = message.ReadByte();

            SHNFile.TryGetObjects<HairInfo>("HairInfo", out var hairInfos);
            SHNFile.TryGetObjects<HairColorInfo>("HairColorInfo", out var hairColorInfos);
            SHNFile.TryGetObjects<FaceInfo>("FaceInfo", out var faceInfos);
            SHNFile.TryGetObjects<SingleData>("SingleData", out var singleDatas);

            var @class = (CharacterClass) (byte) ((classGenderRace >> 2) & 0x1F);
            var gender = (Gender) (byte) ((classGenderRace >> 7) & 0x01);

            if (CharacterShape.GetBaseClass(@class) == CharacterClass.CC_CRUSADER && !connection.Account.Avatars.Exists(x => x.Level >= singleDatas["ChrLevel_CanCreateSen"].SingleDataValue))
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x86).Send(connection);
                return;
            }

            if (connection.Account.Avatars.Count >= 6)
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x85).Send(connection);
                return;
            }

            if (AvatarService.IsNameInUse(name))
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x84).Send(connection);
                return;
            }

            if (hairInfos[hair].Grade != 0 || hairColorInfos[hairColor].Grade != 0 || faceInfos[face].Grade != 0)
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x82).Send(connection);
                return;
            }

            if (CharacterShape.GetBaseClass(@class) == CharacterClass.CC_NONE)
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x83).Send(connection);
                return;
            }

            if (!AvatarService.Create(connection, slot, name, @class, gender, hair, hairColor, face, out var newAvatar))
            {
                new PROTO_NC_AVATAR_CREATEFAIL_ACK(0x82).Send(connection);
                return;
            }
            
            connection.Account.Avatars.Add(newAvatar);

            new PROTO_NC_AVATAR_CREATESUCC_ACK((byte) connection.Account.Avatars.Count, newAvatar).Send(connection);
        }

        internal static void NC_AVATAR_ERASE_REQ(NetworkMessage message, NetworkConnection connection)
        {
            var slot = message.ReadByte();

            var avatar = connection.Account.Avatars.First(x => x.Slot == slot);

            if (avatar == null)
            {
                return;
            }

            if (!AvatarService.Delete(connection, avatar))
            {
                return;
            }

            connection.Account.Avatars.Remove(avatar);

            new PROTO_NC_AVATAR_ERASESUCC_ACK(slot).Send(connection);

            // Leave party, remove friends, remove apprentices & remove master.
        }
    }
}