using System.Text.Json;
using OMS.NET.DbClass;

namespace OMS.NET.Instructs
{
    /// <summary>
    /// 登录指令
    /// </summary>
    public class LoginInstruct : Instruct
    {
        public LoginInstruct()
        {
            Type = "login";
        }

        public override Task Handler(string wsid)
        {
            return Task.Run(() =>
            {
                if (Data?.GetType() != typeof(JsonElement)) return;//Data 非空和JsonElement类型检查
                try
                {
                    string email = Data.GetProperty("email").GetString();
                    string password = Data.GetProperty("password").GetString();
                    if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
                    {
                        throw new Exception("登录信息不能为空");
                    }
                    //能够获取到则说明客户端有发送数据过来
                    Instruct res1 = new()
                    {
                        IsResponse = true,
                        Type = "loginStatus",
                        Data = false
                    };//默认为false
                    //Console.WriteLine($"已获取到{email}:{password},解密测试{GlobalArea.DecryptFromBase64String(password)}");
                    AccountData accountData = AccountData.Get(email) ?? throw new Exception($"数据库中不包含用户{email}");
                    GlobalArea.AddLoginAccountData(accountData);
                    ResponseOrBroadcastInstructs.Add(res1);
                    //只能原文比较，密文每次都不一样，涉及随机性填充
                    if (accountData.Password == GlobalArea.DecryptFromBase64String(password))
                    {
                        res1.Data = true;//登录成功则修改为true
                        GlobalArea.Log.Info($"{accountData.UserEmail}:登录成功");
                        GlobalArea.Login(wsid, accountData.UserEmail);
                        GlobalArea.Log.Info($"当前登录用户数量: {GlobalArea.LoginUserCount}");
                        ResponseOrBroadcastInstructs.Add(new Instruct
                        {
                            Type = "broadcast",
                            Class = "logIn",
                            Data = new
                            {
                                userEmail = accountData.UserEmail,
                                userName = accountData.UserName,
                                headColor = accountData.HeadColor,
                                userQq = accountData.UserQQ,
                            },
                            IsBroadcast = true
                        });
                    }

                }
                catch (Exception ex)
                {
                    GlobalArea.Log.Warn($"处理{Type}广播指令出错：" + ex.Message);
                }
            });
        }
    }
}