// Copyright (c) 2020, The Monero Project
//
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// permitted provided that the following conditions are met:
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//    conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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#pragma once

#include <QCoreApplication>
#include <QtNetwork>

// TODO: wallet_merged - epee library triggers the warnings
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wreorder"
#include <net/http_client.h>
#pragma GCC diagnostic pop

#include "FutureScheduler.h"

class HttpClient : public QObject, public epee::net_utils::http::http_simple_client
{
    Q_OBJECT
    Q_PROPERTY(quint64 contentLength READ contentLength NOTIFY contentLengthChanged);
    Q_PROPERTY(quint64 received READ received NOTIFY receivedChanged);

public:
    HttpClient(QObject *parent = nullptr);

    void cancel();
    quint64 contentLength() const;
    quint64 received() const;

signals:
    void contentLengthChanged() const;
    void receivedChanged() const;

protected:
    bool on_header(const epee::net_utils::http::http_response_info &headers) final;
    bool handle_target_data(std::string &piece_of_transfer) final;

private:
    std::atomic<bool> m_cancel;
    std::atomic<size_t> m_contentLength;
    std::atomic<size_t> m_received;
};

class Network : public QObject
{
    Q_OBJECT
public:
    Network(QObject *parent = nullptr);

public:
    Q_INVOKABLE void get(const QString &url, const QJSValue &callback, const QString &contentType = {}) const;
    Q_INVOKABLE void getJSON(const QString &url, const QJSValue &callback) const;

    QString get(
        std::shared_ptr<epee::net_utils::http::http_simple_client> httpClient,
        const QString &url,
        std::string &response,
        const QString &contentType = {}) const;

private:
    mutable FutureScheduler m_scheduler;
};