#pragma once

#include <memory>

#include <QObject>
#include <QString>
#include <QUrl>
#include <QJSValue>
#include <QNetworkAccessManager>
#include <QNetworkReply>

class Root;
class API : public QObject {
    friend class Root;
    Q_OBJECT
public:
    enum State {Offline, NoServer, NotAuthenticated, Authenticated};
    Q_ENUM(State)

private:
    Q_PROPERTY(QUrl address READ getAddress NOTIFY addressChanged)
    Q_PROPERTY(State state READ getState NOTIFY stateChanged)

public:
    explicit API(const QUrl& path = QString(), QObject* parent = nullptr);

    QUrl getAddress() const;
    State getState() const;

signals:
    void addressChanged(const QUrl& path);
    void stateChanged(State state);

public slots:
    void test(const QString& path, const QJSValue& finished = QJSValue());
    void sendRegister(const QString& login, const QString& password, const QJSValue& finished = QJSValue());

private slots:
    void onTestFinished(QNetworkReply* reply, const QUrl& addr, const QJSValue& finished);
    void onRegisterFinished(QNetworkReply* reply, const QJSValue& finished) const;

private:
    void callCallback(const QJSValue& callback, const QString& error = QString(), const QJSValueList& arguments = QJSValueList()) const;
    void setAddress(const QUrl& path);

private:
    QUrl address;
    QNetworkAccessManager network;
    State state;
};