using System;
using PSO2SERVER.Database;
using System.Data.Entity;
using PSO2SERVER.Models;
using PSO2SERVER.Packets.PSOPackets;
using static PSO2SERVER.Packets.PSOPackets.CharacterNewNamePacket;
using System.Linq;

namespace PSO2SERVER.Packets.Handlers
{
    [PacketHandlerAttr(0x11, 0x9B)]
    class CharacterNewNameRequestPacket : PacketHandler
    {
        public uint player_id { get; set; }
        public string Name { get; set; }

        public override void HandlePacket(Client context, byte flags, byte[] data, uint position, uint size)
        {
            var info = string.Format("[<--] 接收到的数据 (hex): {0} 字节", data.Length);
            Logger.WriteHex(info, data);

            if (context._account == null)
                return;

            var reader = new PacketReader(data, position, size);
            player_id = reader.ReadUInt32();
            Name = reader.ReadFixedLengthUtf16(16);

            NewNameStatus isdone = NewNameStatus.Failure;

            // 修改数据库字段
            using (var db = new ServerEf())
            {
                // 先检测角色是否存在
                var existingCharacters = db.Characters.Where(c => c.Account.AccountId == context._account.AccountId).ToList();
                if (existingCharacters.Count > 0)
                {
                    // 更新角色名字字段
                    var character = existingCharacters.FirstOrDefault();
                    if (character != null)
                    {
                        // 确保名字不为空，并且是16字节长度
                        character.Name = Name; // 用0填充至16字节
                        db.SaveChanges(); // 保存修改
                        isdone = NewNameStatus.Success;
                    }
                }

            }

            context.SendPacket(new CharacterNewNamePacket(isdone, player_id, Name));
        }
    }
}