//  SPDX-FileCopyrightText: 2023 Yury Gubich <blue@macaw.me>
//  SPDX-License-Identifier: GPL-3.0-or-later

#pragma once

#include <memory>
#include <optional>
#include <map>
#include <functional>

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

#include "models/magpie.h"
#include "requests/request.h"

class API : public QObject {
    Q_OBJECT

public:
    using SuccessMapHandler = std::function<void(const QVariantMap&)>;
    using SuccessListHandler = std::function<void(const QVariantList&)>;
    using ErrorHandler = std::function<void(const QString&, const std::optional<QVariantMap>&)>;
    using RequestId = unsigned int;

    explicit API(Models::Magpie& magpie, QObject* parent = nullptr);


    RequestId requestAssets(const SuccessListHandler& success, const ErrorHandler& error);
    RequestId poll(const SuccessMapHandler& success, const ErrorHandler& error, bool clear = false);

    static const RequestId none = 0;

public slots:
    void cancelRequest(RequestId id);
    RequestId test(const QString& path, const QJSValue& finished = QJSValue());
    RequestId sendRegister(const QString& login, const QString& password, const QJSValue& finished = QJSValue());
    RequestId sendLogin(const QString& login, const QString& password, const QJSValue& finished = QJSValue());
    RequestId addAsset(const QString& title, const QString& icon, const QJSValue& finished = QJSValue());

private slots:
    void onRequestDone(RequestId id);

private:
    void callCallback(const QJSValue& callback, const QString& error = QString(), const QJSValueList& arguments = QJSValueList()) const;
    RequestId registerAndSend(std::unique_ptr<Request::Request> request);

private:
    RequestId idCounter;
    Models::Magpie& magpie;
    QNetworkAccessManager network;
    std::map<RequestId, std::unique_ptr<Request::Request>> requests;
    std::unique_ptr<QNetworkReply> pollReply;
};