#include "httpservice.h"
#include "mainconfig.h"

HttpService::HttpService(QObject *parent) : QObject(parent)
{
    mManager = new QNetworkAccessManager;
}

QByteArray HttpService::get(QUrl url,quint32 timeoutInMs)
{
    qDebug() << url;
    //设置超时
    QTimer timer;
    timer.setInterval(timeoutInMs);
    timer.setSingleShot(true);

    //构造并发送请求
    QNetworkRequest request;
    request.setUrl(url);
    request.setHeader(QNetworkRequest::ContentTypeHeader,QVariant("application/json"));
    request.setRawHeader("Authorization",QByteArray("Bearer ").append(MainConfig::token));
    QNetworkReply *reply = mManager->get(request);

    //超时绑定
    QEventLoop loop;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
    timer.start();
    loop.exec();

    //处理响应
    if (!timer.isActive()) {// 超时
        disconnect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
        reply->abort();
        reply->deleteLater();
        qDebug() << "Timeout";
        return "";
    }

    QByteArray result = "";
    //未超时
    timer.stop();
    if (reply->error() != QNetworkReply::NoError) {
        // 错误处理
        qDebug() << "Error String : " << reply->errorString();
    } else {
        QVariant variant = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
        int nStatusCode = variant.toInt();
        // 根据状态码做进一步数据处理
        //QByteArray bytes = pReply->readAll();
        qDebug() << "Status Code : " << nStatusCode;
        if(nStatusCode == 200){
            result = reply->readAll();
        }
    }
    return result;
}

QByteArray HttpService::postJson(QUrl url,const QByteArray &json, quint32 timeoutInMs)
{
    qDebug() << url << "\n" << json;
    //设置超时
    QTimer timer;
    timer.setInterval(timeoutInMs);
    timer.setSingleShot(true);

    //构造并发送请求
    QNetworkRequest request;
    request.setUrl(url);
    request.setHeader(QNetworkRequest::ContentTypeHeader,QVariant("application/json"));
    request.setRawHeader("Authorization",QByteArray("Bearer ").append(MainConfig::token));
    QNetworkReply *reply = mManager->post(request,json);

    //超时绑定
    QEventLoop loop;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
    timer.start();
    loop.exec();

    //处理响应
    if (!timer.isActive()) {// 超时
        disconnect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
        reply->abort();
        reply->deleteLater();
        qDebug() << "Timeout";
        return "";
    }

    QByteArray result = "";
    //未超时
    timer.stop();
    if (reply->error() != QNetworkReply::NoError) {
        // 错误处理
        qDebug() << "Error String : " << reply->errorString();
    } else {
        QVariant variant = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
        int nStatusCode = variant.toInt();
        // 根据状态码做进一步数据处理
        //QByteArray bytes = pReply->readAll();
        qDebug() << "Status Code : " << nStatusCode;
        if(nStatusCode == 200){
            result = reply->readAll();
        }
    }
    return result;
}

void HttpService::login(QString username, QString password)
{
    //构造参数
    QString rawJson = "{\"client\":1,\"data\":{\"credential\":\"%2\",\"identifier\":\"%1\"},\"scene\":0,\"type\":3}";
    QString json = rawJson.arg(username).arg(password);

    //发送请求
    QByteArray result = postJson(MainConfig::loginUrl,json.toUtf8());
    qDebug() << result;

    //解析响应
    QJsonParseError jerror;
    QJsonDocument jdoc;
    QJsonObject jobj;
    jdoc = QJsonDocument::fromJson(result, &jerror);
    if (jerror.error != QJsonParseError::NoError || !jdoc.isObject() || !jdoc.object().contains("code"))
    {
        qDebug() << QString::fromUtf8("登录请求发送失败");
        return;
    }
    jobj = jdoc.object();
    int resCode = jobj.take("code").toInt();
    if(resCode == 200){
        MainConfig::token = jobj.take("data").toObject().take("token").toString();
        qDebug() <<  MainConfig::token;
    }else{
        qDebug() << "登录失败：" << resCode;
    }
}

void HttpService::updateStatus(QString firstAidId, QString status)
{
    //构造参数
    QString rawJson = "{\"param\":{\"firstAidId\":\"%1\",\"status\":\"%2\"}}";
    QString json = rawJson.arg(firstAidId).arg(status);

    //发送请求
    QByteArray result = postJson(MainConfig::serviceStatusChangedUrl,json.toUtf8());
    qDebug() << result;

    //解析响应
    QJsonParseError jerror;
    QJsonDocument jdoc;
    QJsonObject jobj;
    jdoc = QJsonDocument::fromJson(result, &jerror);
    if (jerror.error != QJsonParseError::NoError || !jdoc.isObject() || !jdoc.object().contains("code"))
    {
        qDebug() << QString::fromUtf8("请求失败");
        return;
    }
    jobj = jdoc.object();
    int resCode = jobj.take("code").toInt();
    if(resCode == 200){
         qDebug() << "updateStatus请求成功";
    }else{
        qDebug() << "updateStatus失败：" << resCode;
    }
}