#ifndef JSKITMANAGER_P_H
#define JSKITMANAGER_P_H

#include <QElapsedTimer>
#include <QSettings>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QGeoPositionInfoSource>
#include "jskitmanager.h"

class JSKitPebble : public QObject
{
    Q_OBJECT
    QLoggingCategory l;

public:
    explicit JSKitPebble(const AppInfo &appInfo, JSKitManager *mgr, QObject *parent=0);

    Q_INVOKABLE void addEventListener(const QString &type, QJSValue function);
    Q_INVOKABLE void removeEventListener(const QString &type, QJSValue function);

    Q_INVOKABLE int setInterval(QJSValue expression, int delay);
    Q_INVOKABLE void clearInterval(int timerId);

    Q_INVOKABLE int setTimeout(QJSValue expression, int delay);
    Q_INVOKABLE void clearTimeout(int timerId);

    Q_INVOKABLE uint sendAppMessage(QJSValue message, QJSValue callbackForAck = QJSValue(), QJSValue callbackForNack = QJSValue());

    Q_INVOKABLE void showSimpleNotificationOnPebble(const QString &title, const QString &body);

    Q_INVOKABLE void openURL(const QUrl &url);

    Q_INVOKABLE QString getAccountToken() const;
    Q_INVOKABLE QString getWatchToken() const;

    Q_INVOKABLE QJSValue createXMLHttpRequest();

    void invokeCallbacks(const QString &type, const QJSValueList &args = QJSValueList());

protected:
    void timerEvent(QTimerEvent *event);

private:
    QJSValue buildAckEventObject(uint transaction, const QString &message = QString()) const;

private:
    AppInfo _appInfo;
    JSKitManager *_mgr;
    QHash<QString, QList<QJSValue>> _callbacks;
    QHash<int, QJSValue> _intervals;
    QHash<int, QJSValue> _timeouts;
};

class JSKitConsole : public QObject
{
    Q_OBJECT
    QLoggingCategory l;

public:
    explicit JSKitConsole(QObject *parent=0);

    Q_INVOKABLE void log(const QString &msg);
};

class JSKitLocalStorage : public QObject
{
    Q_OBJECT

    Q_PROPERTY(int length READ length NOTIFY lengthChanged)

public:
    explicit JSKitLocalStorage(const QUuid &uuid, QObject *parent=0);

    int length() const;

    Q_INVOKABLE QJSValue getItem(const QString &key) const;
    Q_INVOKABLE void setItem(const QString &key, const QString &value);
    Q_INVOKABLE void removeItem(const QString &key);

    Q_INVOKABLE void clear();

signals:
    void lengthChanged();

private:
    void checkLengthChanged();
    static QString getStorageFileFor(const QUuid &uuid);

private:
    QSettings *_storage;
    int _len;
};

class JSKitXMLHttpRequest : public QObject
{
    Q_OBJECT
    QLoggingCategory l;
    Q_ENUMS(ReadyStates)

    Q_PROPERTY(QJSValue onload READ onload WRITE setOnload)
    Q_PROPERTY(QJSValue ontimeout READ ontimeout WRITE setOntimeout)
    Q_PROPERTY(QJSValue onerror READ onerror WRITE setOnerror)
    Q_PROPERTY(uint readyState READ readyState NOTIFY readyStateChanged)
    Q_PROPERTY(uint timeout READ timeout WRITE setTimeout)
    Q_PROPERTY(uint status READ status NOTIFY statusChanged)
    Q_PROPERTY(QString statusText READ statusText NOTIFY statusTextChanged)
    Q_PROPERTY(QString responseType READ responseType WRITE setResponseType)
    Q_PROPERTY(QJSValue response READ response NOTIFY responseChanged)
    Q_PROPERTY(QString responseText READ responseText NOTIFY responseTextChanged)

public:
    explicit JSKitXMLHttpRequest(JSKitManager *mgr, QObject *parent = 0);
    ~JSKitXMLHttpRequest();

    enum ReadyStates {
        UNSENT = 0,
        OPENED = 1,
        HEADERS_RECEIVED = 2,
        LOADING = 3,
        DONE = 4
    };

    Q_INVOKABLE void open(const QString &method, const QString &url, bool async = false, const QString &username = QString(), const QString &password = QString());
    Q_INVOKABLE void setRequestHeader(const QString &header, const QString &value);
    Q_INVOKABLE void send(const QJSValue &data = QJSValue(QJSValue::NullValue));
    Q_INVOKABLE void abort();

    QJSValue onload() const;
    void setOnload(const QJSValue &value);
    QJSValue ontimeout() const;
    void setOntimeout(const QJSValue &value);
    QJSValue onerror() const;
    void setOnerror(const QJSValue &value);

    uint readyState() const;

    uint timeout() const;
    void setTimeout(uint value);

    uint status() const;
    QString statusText() const;

    QString responseType() const;
    void setResponseType(const QString& type);

    QJSValue response() const;
    QString responseText() const;

signals:
    void readyStateChanged();
    void statusChanged();
    void statusTextChanged();
    void responseChanged();
    void responseTextChanged();

private slots:
    void handleReplyFinished();
    void handleReplyError(QNetworkReply::NetworkError code);
    void handleAuthenticationRequired(QNetworkReply *reply, QAuthenticator *auth);

private:
    JSKitManager *_mgr;
    QNetworkAccessManager *_net;
    QString _verb;
    uint _timeout;
    QString _username;
    QString _password;
    QNetworkRequest _request;
    QNetworkReply *_reply;
    QString _responseType;
    QByteArray _response;
    QJSValue _onload;
    QJSValue _ontimeout;
    QJSValue _onerror;
};

class JSKitGeolocation : public QObject
{
    Q_OBJECT
    Q_ENUMS(PositionError)
    QLoggingCategory l;

    struct Watcher;

public:
    explicit JSKitGeolocation(JSKitManager *mgr, QObject *parent=0);

    enum PositionError {
        PERMISSION_DENIED = 1,
        POSITION_UNAVAILABLE = 2,
        TIMEOUT = 3
    };

    Q_INVOKABLE void getCurrentPosition(const QJSValue &successCallback, const QJSValue &errorCallback = QJSValue(), const QVariantMap &options = QVariantMap());
    Q_INVOKABLE int watchPosition(const QJSValue &successCallback, const QJSValue &errorCallback = QJSValue(), const QVariantMap &options = QVariantMap());
    Q_INVOKABLE void clearWatch(int watchId);

private slots:
    void handleError(const QGeoPositionInfoSource::Error error);
    void handlePosition(const QGeoPositionInfo &pos);
    void handleTimeout();
    void updateTimeouts();

private:
    int setupWatcher(const QJSValue &successCallback, const QJSValue &errorCallback, const QVariantMap &options, bool once);
    void removeWatcher(int watchId);

    QJSValue buildPositionObject(const QGeoPositionInfo &pos);
    QJSValue buildPositionErrorObject(PositionError error, const QString &message = QString());
    QJSValue buildPositionErrorObject(const QGeoPositionInfoSource::Error error);
    void invokeCallback(QJSValue callback, QJSValue event);

private:
    JSKitManager *_mgr;
    QGeoPositionInfoSource *_source;

    struct Watcher {
        QJSValue successCallback;
        QJSValue errorCallback;
        int watchId;
        bool once;
        bool highAccuracy;
        int timeout;
        QElapsedTimer timer;
    };

    QList<Watcher> _watches;
    int _lastWatchId;
};

#endif // JSKITMANAGER_P_H