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

   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
{

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

   In accordance with the terms of the JUCE 5 End-Use License Agreement, the
   JUCE Code in SECTION A cannot be removed, changed or otherwise rendered
   ineffective unless you have a JUCE Indie or Pro license, or are using JUCE
   under the GPL v3 license.

   End User License Agreement: www.juce.com/juce-5-licence

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

// BEGIN SECTION A

#if ! defined (JUCE_REPORT_APP_USAGE)
 #define JUCE_REPORT_APP_USAGE 1
#endif

#if ! defined (JUCE_DISPLAY_SPLASH_SCREEN)
 #define JUCE_DISPLAY_SPLASH_SCREEN 1
#endif

#if ! defined (JUCE_USE_DARK_SPLASH_SCREEN)
 #define JUCE_USE_DARK_SPLASH_SCREEN 1
#endif

static const int millisecondsToDisplaySplash = 2000, splashScreenFadeOutTime = 2000;
static const int splashScreenLogoWidth = 123, splashScreenLogoHeight = 63;
static uint32 splashDisplayTime = 0;
static bool appUsageReported = false;


static Rectangle<float> getLogoArea (Rectangle<float> parentRect)
{
    return parentRect.reduced (6.0f)
                     .removeFromRight  ((float) splashScreenLogoWidth)
                     .removeFromBottom ((float) splashScreenLogoHeight);
}

//==============================================================================
struct ReportingThread;

struct ReportingThreadContainer  : public ChangeListener,
                                   public DeletedAtShutdown
{
    ReportingThreadContainer() {}
    ~ReportingThreadContainer() override  { clearSingletonInstance(); }

    void sendReport (String, String&, StringPairArray&);
    void changeListenerCallback (ChangeBroadcaster*) override;

    std::unique_ptr<ReportingThread> reportingThread;

    JUCE_DECLARE_SINGLETON_SINGLETHREADED_MINIMAL (ReportingThreadContainer)
};

JUCE_IMPLEMENT_SINGLETON (ReportingThreadContainer)

//==============================================================================
struct ReportingThread  : public Thread,
                          private ChangeBroadcaster
{
    ReportingThread (ReportingThreadContainer& container,
                     String& address,
                     String& userAgent,
                     StringPairArray& parameters)
        : Thread ("JUCE app usage reporting"),
          threadContainer (container),
          headers ("User-Agent: " + userAgent)
    {
        StringArray postData;

        for (auto& key : parameters.getAllKeys())
            if (parameters[key].isNotEmpty())
                postData.add (key + "=" + URL::addEscapeChars (parameters[key], true));

        url = URL (address).withPOSTData (postData.joinIntoString ("&"));

        addChangeListener (&threadContainer);
    }

    ~ReportingThread() override
    {
        removeChangeListener (&threadContainer);

        if (webStream != nullptr)
            webStream->cancel();

        stopThread (2000);
    }

    void run() override
    {
        webStream.reset (new WebInputStream (url, true));
        webStream->withExtraHeaders (headers);
        webStream->connect (nullptr);

        sendChangeMessage();
    }

private:
    ReportingThreadContainer& threadContainer;
    URL url;
    String headers;
    std::unique_ptr<WebInputStream> webStream;
};

//==============================================================================
void ReportingThreadContainer::sendReport (String address, String& userAgent, StringPairArray& parameters)
{
    reportingThread.reset (new ReportingThread (*this, address, userAgent, parameters));
    reportingThread->startThread();
}

void ReportingThreadContainer::changeListenerCallback (ChangeBroadcaster*)
{
    reportingThread.reset();
}

//==============================================================================
JUCESplashScreen::JUCESplashScreen (Component& parent)
{
    ignoreUnused (hasStartedFading);
    ignoreUnused (parent);

   #if JUCE_REPORT_APP_USAGE
    if (! appUsageReported)
    {
        const ScopedTryLock appUsageReportingLock (appUsageReporting);

        if (appUsageReportingLock.isLocked() && ! appUsageReported)
        {
            const auto deviceDescription = SystemStats::getDeviceDescription();
            const auto deviceString = SystemStats::getDeviceIdentifiers().joinIntoString (":");
            const auto deviceIdentifier = String::toHexString (deviceString.hashCode64());
            const auto osName = SystemStats::getOperatingSystemName();

            StringPairArray data;

            data.set ("v",   "1");
            data.set ("tid", "UA-19759318-3");
            data.set ("cid", deviceIdentifier);
            data.set ("t",   "event");
            data.set ("ec",  "info");
            data.set ("ea",  "appStarted");

            data.set ("cd1", SystemStats::getJUCEVersion());
            data.set ("cd2", osName);
            data.set ("cd3", deviceDescription);
            data.set ("cd4", deviceIdentifier);

            String appType, appName, appVersion, appManufacturer;

           #if defined(JucePlugin_Name)
            appType         = "Plugin";
            appName         = JucePlugin_Name;
            appVersion      = JucePlugin_VersionString;
            appManufacturer = JucePlugin_Manufacturer;
           #else
            if (JUCEApplicationBase::isStandaloneApp())
            {
                appType = "Application";

                if (auto* app = JUCEApplicationBase::getInstance())
                {
                    appName    = app->getApplicationName();
                    appVersion = app->getApplicationVersion();
                }
            }
            else
            {
                appType = "Library";
            }
           #endif

            data.set ("cd5", appType);
            data.set ("cd6", appName);
            data.set ("cd7", appVersion);
            data.set ("cd8", appManufacturer);

            data.set ("an", appName);
            data.set ("av", appVersion);

            auto agentCPUVendor = SystemStats::getCpuVendor();

            if (agentCPUVendor.isEmpty())
                agentCPUVendor = "CPU";

            auto agentOSName = osName.replaceCharacter ('.', '_')
                                     .replace ("iOS", "iPhone OS");
           #if JUCE_IOS
            agentOSName << " like Mac OS X";
           #endif

            String userAgent;
            userAgent << "Mozilla/5.0 ("
                      << deviceDescription << ";"
                      << agentCPUVendor << " " << agentOSName << ";"
                      << SystemStats::getDisplayLanguage() << ")";

            ReportingThreadContainer::getInstance()->sendReport ("https://www.google-analytics.com/collect", userAgent, data);

            appUsageReported = true;
        }
    }
   #else
    ignoreUnused (appUsageReported);
   #endif

   #if JUCE_DISPLAY_SPLASH_SCREEN
    if (splashDisplayTime == 0
         || Time::getMillisecondCounter() < splashDisplayTime + (uint32) millisecondsToDisplaySplash)
    {
        content = getSplashScreenLogo();

        setAlwaysOnTop (true);
        parent.addAndMakeVisible (this);
    }
    else
   #endif
    {
        startTimer (1);
    }
}

JUCESplashScreen::~JUCESplashScreen()
{
}

std::unique_ptr<Drawable> JUCESplashScreen::getSplashScreenLogo()
{
    const char* svgData = R"JUCESPLASHSCREEN(
      <?xml version="1.0" encoding="UTF-8"?>
      <svg width="123px" height="63px" viewBox="0 0 123 63" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
        <defs>
          <rect id="path-1" x="0.253112033" y="0.253112033" width="122" height="62" rx="10"></rect>
        </defs>
        <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" opacity="0.8">
          <mask id="mask-2" fill="white">
            <use xlink:href="#path-1"></use>
          </mask>
          <rect stroke="#B144C8" stroke-width="2" x="1.25311203" y="1.25311203" width="120" height="60" rx="10" fill=")JUCESPLASHSCREEN"
   #if JUCE_USE_DARK_SPLASH_SCREEN
    "#000000"
   #else
    "#FFFFFF"
   #endif
    "\"></rect>"
    R"JUCESPLASHSCREEN(
        <g id="Slice" mask="url(#mask-2)" fill="#B144C8" transform="translate(6.000000, 14.000000)">
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          <path d="M31.7163462,17.1373674 C32.0191542,17.1373674 32.3177926,17.0276581 32.5291328,16.8108455 C32.7621021,16.5724038 32.869466,16.2576086 32.8308984,15.9313473 C32.5035948,13.1505695 31.4109323,10.5157233 29.6709592,8.31215687 C29.4580554,8.04244409 29.1630652,7.89364603 28.8404523,7.89364603 C28.5558858,7.89364603 28.2796582,8.01325778 28.062585,8.23007037 L19.5130809,16.7798351 C19.3812213,16.9119552 19.4745133,17.1373674 19.6610972,17.1373674 L31.7163462,17.1373674 Z" id="Fill-6"></path>
          <path d="M28.8404002,27.5631082 L28.8404002,27.5631082 C29.1630131,27.5631082 29.4580033,27.4148313 29.6711676,27.1451185 C31.4108802,24.941031 32.5038033,22.3064453 32.8308463,19.5256675 C32.8694139,19.1994062 32.76205,18.884611 32.5290807,18.6461693 C32.3177405,18.4293567 32.019102,18.3196475 31.7162941,18.3196475 L19.6610451,18.3196475 C19.4747217,18.3196475 19.3811692,18.5453202 19.5130288,18.6771798 L28.0627935,27.2269445 C28.2796061,27.443757 28.5558336,27.5631082 28.8404002,27.5631082" id="Fill-8"></path>
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        </g>
        <path d="M57.404,39.48 L57.404,25.688 L53.404,25.688 L53.404,39.48 C53.404,41.912 51.996,43.512 49.884,43.512 C48.7,43.512 47.804,43.032 46.524,41.336 L43.644,43.832 C45.596,46.392 47.484,47.256 49.884,47.256 C54.268,47.256 57.404,44.152 57.404,39.48 Z M78.508,38.296 L78.508,25.688 L74.508,25.688 L74.508,38.136 C74.508,41.4 72.588,43.512 69.836,43.512 C67.084,43.512 65.164,41.4 65.164,38.136 L65.164,25.688 L61.164,25.688 L61.164,38.296 C61.164,43.864 65.196,47.256 69.836,47.256 C74.476,47.256 78.508,43.864 78.508,38.296 Z M99.324,44.6 L96.956,41.624 C94.94,43.032 93.628,43.512 92.06,43.512 C88.188,43.512 85.052,40.376 85.052,36.344 C85.052,32.312 88.188,29.176 92.06,29.176 C93.692,29.176 94.876,29.592 96.988,31.064 L99.324,28.152 C97.116,26.36 94.748,25.432 92.06,25.432 C86.012,25.432 80.956,30.264 80.956,36.344 C80.956,42.392 85.948,47.256 92.06,47.256 C94.524,47.256 96.604,46.648 99.324,44.6 Z M114.796,47 L114.796,43.384 L105.516,43.384 L105.516,38.04 L114.444,38.04 L114.444,34.424 L105.516,34.424 L105.516,29.304 L114.796,29.304 L114.796,25.688 L101.516,25.688 L101.516,47 L114.796,47 Z" id="JUCE" fill="#B144C8" mask="url(#mask-2)"></path>
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      </g>
    </svg>
    )JUCESPLASHSCREEN";

    auto svgXml = parseXML (svgData);
    jassert (svgXml != nullptr);
    return std::unique_ptr<Drawable> (Drawable::createFromSVG (*svgXml));
}

void JUCESplashScreen::paint (Graphics& g)
{
    auto r = getLocalBounds().toFloat();
    Point<float> bottomRight (0.9f * r.getWidth(),
                              0.9f * r.getHeight());

    ColourGradient cg (Colour (0x00000000), Line<float> (0.0f, r.getHeight(), r.getWidth(), 0.0f)
                                              .findNearestPointTo (bottomRight),
                       Colour (0xff000000), bottomRight, false);
    cg.addColour (0.25f, Colour (0x10000000));
    cg.addColour (0.50f, Colour (0x30000000));
    cg.addColour (0.75f, Colour (0x70000000));
    g.setFillType (cg);
    g.fillAll();

    content->drawWithin (g, getLogoArea (r), RectanglePlacement::centred, 1.0f);

    if (splashDisplayTime == 0)
        splashDisplayTime = Time::getMillisecondCounter();

    if (! isTimerRunning())
        startTimer (millisecondsToDisplaySplash);
}

void JUCESplashScreen::timerCallback()
{
   #if JUCE_DISPLAY_SPLASH_SCREEN
    if (isVisible() && ! hasStartedFading)
    {
        hasStartedFading = true;
        fader.animateComponent (this, getBounds(), 0.0f, splashScreenFadeOutTime, false, 0, 0);
    }

    if (hasStartedFading && ! fader.isAnimating())
   #endif
        delete this;
}

void JUCESplashScreen::parentSizeChanged()
{
    if (auto* p = getParentComponent())
        setBounds (p->getLocalBounds().removeFromBottom (splashScreenLogoHeight * 3)
                                      .removeFromRight  (splashScreenLogoWidth  * 3));
}

void JUCESplashScreen::parentHierarchyChanged()
{
    toFront (false);
}

bool JUCESplashScreen::hitTest (int x, int y)
{
    if (! hasStartedFading)
        return getLogoArea (getLocalBounds().toFloat()).contains ((float) x, (float) y);

    return false;
}

void JUCESplashScreen::mouseUp (const MouseEvent&)
{
    URL juceWebsite ("https://juce.com");
    juceWebsite.launchInDefaultBrowser();
}

// END SECTION A

} // namespace juce