#include "versionmanager.h"
#include "SNCDataBase.h"
#include "loghelper.h"
VersionManager::VersionManager()
{
    this->local_app_version = SNCDataBase::getAppVersion();
    this->local_seg_version = SNCDataBase::getSegVersion();
    this->config_urls = SNCDataBase::getConfigServerUrls();
    stop = false;
}
bool VersionManager::needUpdate()
{
    if(!getServerConfig())
        return false;

    SNCDataBase::updateConfigUrls(parser.config_urls);
    SNCDataBase::updateBannerAd(parser.banner_ad);
    SNCDataBase::updateTextAd(parser.text_ads);
    SNCDataBase::updateCorpPrefix(parser.corp_prefix);
    //SNCDataBase::updateClientConfig(parser.client_config);
    int server_app_sn = parser.current_app_version;
    int local_app_sn= parser.app_map.value(this->local_app_version);
    if(server_app_sn<=local_app_sn)
        return false;
    QFile file(QDir::tempPath()+"/snc_update.log");
    if(!file.open(QIODevice::WriteOnly))
        return 0 ;
    QTextStream out(&file);
    for(int i=server_app_sn-1;i>=local_app_sn;i--)
    {
        QString log_file = parser.app_update_logs.value(i);
        QString content = downloadFile(log_file);
        out << content+"\r\n";
    }
    file.close();
    this->app_patch_url = parser.app_patch_urls.value(local_app_sn);
    this->app_update = parser.update;

    return true;
}
QString VersionManager::getAppPatchUrl()
{
    return this->app_patch_url;
}
QString VersionManager::getAppUpdateState()
{
    return this->app_update;
}
bool VersionManager::getServerConfig()
{
    bool success = false;
    for(int i=0;i<config_urls.size();i++)
    {
        QString config_url = config_urls.at(i);
        QString content = downloadFile(config_url);
        ConfigParser p;
        if(p.readConfig(content))
        {
            success= true;
            this->parser = p;
            break;
        }

    }
    return success;
}
void VersionManager::replyFinished(QNetworkReply *reply)
{
    QTextCodec *codec;
    QVariant var = reply->header(QNetworkRequest::ContentTypeHeader);
    QString codeType = var.toByteArray();
    int index = codeType.size() - codeType.lastIndexOf("=") - 1;
    codeType = codeType.right(index);
    codec = QTextCodec::codecForName(codeType.toAscii());
    file_content = reply->readAll();
    emit finished1();
    stop =true;
}
QString VersionManager::downloadFile(QString http_url)
{

    QUrl url(http_url);
    QNetworkAccessManager manager;
    QNetworkReply *reply = manager.get(QNetworkRequest(url));
    QTextCodec *codec;
    QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
    QTimer::singleShot(10000, &loop, SLOT(quit()));
    loop.exec();
    QVariant var = reply->header(QNetworkRequest::ContentTypeHeader);
    QString codeType = var.toByteArray();
    int index = codeType.size() - codeType.lastIndexOf("=") - 1;
    codeType = codeType.right(index);
    codec = QTextCodec::codecForName(codeType.toAscii());
    QString content = reply->readAll();
    return content;
}