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

   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
{

//==============================================================================
/**
    An interface for handling analytics events collected by an Analytics object.

    For basic analytics logging you can implement this interface and add your
    class to an Analytics object.

    For more advanced logging you may want to subclass
    ThreadedAnalyticsDestination instead, which is more suitable for interacting
    with web servers and other time consuming destinations.

    @see Analytics, ThreadedAnalyticsDestination

    @tags{Analytics}
*/
struct JUCE_API  AnalyticsDestination
{
    /** Contains information about an event to be logged. */
    struct AnalyticsEvent
    {
        /** The name of the event. */
        String name;

        /** An optional integer representing the type of the event. You can use
            this to indicate if the event was a screenview, session start,
            exception, etc.
        */
        int eventType;

        /**
            The timestamp of the event.

            Timestamps are automatically applied by an Analytics object and are
            derived from Time::getMillisecondCounter(). As such these timestamps
            do not represent absolute times, but relative timings of events for
            each user in each session will be accurate.
        */
        uint32 timestamp;

        /** The parameters of the event. */
        StringPairArray parameters;

        /** The user ID associated with the event. */
        String userID;

        /** Properties associated with the user. */
        StringPairArray userProperties;
    };

    /** Constructor. */
    AnalyticsDestination() = default;

    /** Destructor. */
    virtual ~AnalyticsDestination() = default;

    /**
        When an AnalyticsDestination is added to an Analytics object this method
        is called when an analytics event is triggered from the Analytics
        object.

        Override this method to log the event information somewhere useful.
    */
    virtual void logEvent (const AnalyticsEvent& event) = 0;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AnalyticsDestination)
};


} // namespace juce
