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

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2017 - ROLI Ltd.

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

   For this technical preview, this file is not subject to commercial licensing.

   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 splashHasStartedFading = false, 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 (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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          <path d="M18.3197778,31.7163462 C18.3197778,32.0191542 18.429487,32.3175321 18.646039,32.5291328 C18.8847413,32.7618415 19.1995365,32.869466 19.5257978,32.8308984 C22.3065756,32.5038554 24.9411613,31.4111929 27.1449883,29.6709592 C27.414701,29.4580554 27.5632385,29.1630652 27.5632385,28.8404523 C27.5632385,28.5561463 27.4441479,28.2801794 27.2278565,28.0633668 L18.6773101,19.5133415 C18.5451899,19.3812213 18.3197778,19.4745133 18.3197778,19.6613578 L18.3197778,31.7163462 Z" id="Fill-20"></path>
        </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 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() && ! splashHasStartedFading)
    {
        splashHasStartedFading = true;
        fader.animateComponent (this, getBounds(), 0.0f, splashScreenFadeOutTime, false, 0, 0);
    }

    if (splashHasStartedFading && ! 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 (! splashHasStartedFading)
        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