#include "datamanager.h"
//DataManager* DataManager::p_this;
DataManager::DataManager(QObject *parent)
    : QObject{parent}
{
    qDebug() << "进入DataManager的构造函数";
    tcpclient = TCPClient::getInstance();
    connect(tcpclient,&TCPClient::TCPClientConnected,this,&DataManager::TCPClientConnected);
    connect(tcpclient,&TCPClient::TCPClientDisconnected,this,&DataManager::TCPClientDisconnected);
    connect(tcpclient,&TCPClient::recv_data,this,&DataManager::recv_from_server);
    tcpclient->configAndrun();
    //tcpclient->setCallBack(recv_from_server);
    protocol = Protocol::getInstance();
    //p_this = this;

}

DataManager* DataManager::getInstance()
{
    static DataManager datamanager_instance;
    return &datamanager_instance;
}

void DataManager::TCPClientConnected()
{
    connect_flag = true;
    qDebug() << "emit connect_to_server successfully";
    emit connect_to_server();
}

void DataManager::TCPClientDisconnected()
{
    connect_flag = false;
    qDebug() << "emit disconnect_from_server successfully";
    //emit p_this->disconnect_from_server();
    emit disconnect_from_server();
}

void DataManager::recv_from_server(QByteArray &data)
{
    QByteArray data_decrypt;
    data_decrypt = protocol->data_decrypt(data);
    QJsonDocument json_data = QJsonDocument::fromJson(data_decrypt);
    if (json_data["type"] == "message")
    {
        QString data,sendname;
        sendname = json_data["sendname"].toString();
        data = json_data["data"].toString();
        emit update_text(sendname,data);
    }
    else if (json_data["type"] == "file")
    {
        QString filename,file_data,sendname;
        sendname = json_data["sendname"].toString();
        filename = json_data["name"].toString();
        file_data = json_data["data"].toString();
        emit update_file(sendname,filename,file_data);
    }
    else if (json_data["type"] == "online_users")
    {
        int count;
        QList<QString> online_users;
        count = json_data["count"].toInt();
        online_users = json_data["users"].toVariant().toStringList();
        emit update_users(count,online_users);
    }
    else if (json_data["type"] == "response")
    {
        if(json_data["action"] == "register")
        {
            bool register_flag;
            register_flag = json_data["content"].toBool();
            emit signup_response(register_flag);
        }
        else if(json_data["action"] == "signin")
        {
            bool signin_flag;
            signin_flag = json_data["content"].toBool();
            emit signin_response(signin_flag);
        }
    }
    else
    {
        return;
    }
}

void DataManager::Register(QString username,QString password)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::REQUEST,QString("register"),QList<QString>{username,password});
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::signin_request(QString username,QString password)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::REQUEST,QString("signin"),QList<QString>{username,password});
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::send_text(QString sendname,QString text)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::MESSAGE,sendname,text);
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::send_to_user(QString sendname,QString to_user,QString text)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::MESSAGE,sendname,to_user,text);
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::send_file_to_all(QString sendname,QString filename,QByteArray file)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::FILE,sendname,filename,file);
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::send_file_private(QString sendname,QString filename,QByteArray file,QString name)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::FILE,name,sendname,filename,file);
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}

void DataManager::account_cancellation(QString username)
{
    QByteArray data,data_encrypt;
    data = protocol->data_maker(Protocol::REQUEST,QString("cancellation"),username);
    data_encrypt = protocol->data_encrypt(data);
    tcpclient->sendToserver(data_encrypt);
}