/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 5 End-User License
   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
   27th April 2017).

   End User License Agreement: www.juce.com/juce-5-licence
   Privacy Policy: www.juce.com/juce-5-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

//==============================================================================
/**
    A singleton class to manage analytics data.

    Use an Analytics object to manage sending analytics data to one or more
    AnalyticsDestinations.

    @see AnalyticsDestination, ThreadedAnalyticsDestination,
         AnalyticsDestination::AnalyticsEvent

    @tags{Analytics}
*/
class JUCE_API  Analytics   : public DeletedAtShutdown
{
public:
    //==============================================================================
    /** Adds an AnalyticsDestination to the list of AnalyticsDestinations
        managed by this Analytics object.

        The Analytics class will take ownership of the AnalyticsDestination
        passed to this function.

        @param destination          the AnalyticsDestination to manage
    */
    void addDestination (AnalyticsDestination* destination);

    /** Returns the array of AnalyticsDestinations managed by this class.

        If you have added any subclasses of ThreadedAnalyticsDestination to
        this class then you can remove them from this list to force them to
        flush any pending events.
    */
    OwnedArray<AnalyticsDestination>& getDestinations();

    /** Sets a user ID that will be added to all AnalyticsEvents sent to
        AnalyticsDestinations.

        @param newUserId            the userId to add to AnalyticsEvents
    */
    void setUserId (String newUserId);

    /** Sets some user properties that will be added to all AnalyticsEvents sent
        to AnalyticsDestinations.

        @param properties           the userProperties to add to AnalyticsEvents
    */
    void setUserProperties (StringPairArray properties);

    /** Sends an AnalyticsEvent to all AnalyticsDestinations.

        The AnalyticsEvent will be timestamped, and will have the userId and
        userProperties populated by values previously set by calls to
        setUserId and setUserProperties. The name, parameters and type will be
        populated by the arguments supplied to this function.

        @param eventName            the event name
        @param parameters           the event parameters
        @param eventType            (optional) an integer to indicate the event
                                    type, which will be set to 0 if not supplied.
    */
    void logEvent (const String& eventName, const StringPairArray& parameters, int eventType = 0);

    /** Suspends analytics submissions to AnalyticsDestinations.

        @param shouldBeSuspended    if event submission should be suspended
    */
    void setSuspended (bool shouldBeSuspended);

   #ifndef DOXYGEN
    JUCE_DECLARE_SINGLETON (Analytics, false)
   #endif

private:
    //==============================================================================
    Analytics() = default;
    ~Analytics() override  { clearSingletonInstance(); }

    String userId;
    StringPairArray userProperties;

    bool isSuspended = false;

    OwnedArray<AnalyticsDestination> destinations;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Analytics)
};

} // namespace juce
