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

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2020 - Raw Material Software Limited

   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.

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

#include "../../Application/jucer_Headers.h"
#include "jucer_TestComponent.h"
#include "../jucer_ObjectTypes.h"

static Array <TestComponent*> testComponents;

//==============================================================================
TestComponent::TestComponent (JucerDocument* const doc,
                              JucerDocument* const loaded,
                              const bool alwaysFill)
    : ownerDocument (doc),
      loadedDocument (loaded),
      alwaysFillBackground (alwaysFill)
{
    setToInitialSize();
    updateContents();
    testComponents.add (this);

    setLookAndFeel (&getLookAndFeel());
}

TestComponent::~TestComponent()
{
    testComponents.removeFirstMatchingValue (this);
    deleteAllChildren();
}

//==============================================================================
void TestComponent::reloadAll()
{
    for (int i = testComponents.size(); --i >= 0;)
        testComponents.getUnchecked(i)->reload();
}

void TestComponent::reload()
{
    if (findFile().exists() && lastModificationTime != findFile().getLastModificationTime())
        setFilename (filename);
}

//==============================================================================
static StringArray recursiveFiles;

File TestComponent::findFile() const
{
    if (filename.isEmpty())
        return {};

    if (ownerDocument != nullptr)
        return ownerDocument->getCppFile().getSiblingFile (filename);

    return File::getCurrentWorkingDirectory().getChildFile (filename);
}

void TestComponent::setFilename (const String& newName)
{
    File newFile;

    if (newName.isNotEmpty())
    {
        if (ownerDocument != nullptr)
            newFile = ownerDocument->getCppFile().getSiblingFile (newName);
        else
            newFile = File::getCurrentWorkingDirectory().getChildFile (newName);
    }

    if (! recursiveFiles.contains (newFile.getFullPathName()))
    {
        recursiveFiles.add (newFile.getFullPathName());

        loadedDocument.reset();

        filename = newName;
        lastModificationTime = findFile().getLastModificationTime();

        loadedDocument.reset (JucerDocument::createForCppFile (nullptr, findFile()));

        updateContents();
        repaint();

        recursiveFiles.remove (recursiveFiles.size() - 1);
    }
}

void TestComponent::setConstructorParams (const String& newParams)
{
    constructorParams = newParams;
}

void TestComponent::updateContents()
{
    deleteAllChildren();
    repaint();

    if (loadedDocument != nullptr)
    {
        addAndMakeVisible (loadedDocument->createTestComponent (alwaysFillBackground));
        resized();
    }
}

void TestComponent::setToInitialSize()
{
    if (loadedDocument != nullptr)
        setSize (loadedDocument->getInitialWidth(),
                 loadedDocument->getInitialHeight());
    else
        setSize (100, 100);
}

//==============================================================================
void TestComponent::paint (Graphics& g)
{
    if (loadedDocument == nullptr)
    {
        g.fillAll (Colours::white.withAlpha (0.25f));

        g.setColour (Colours::black.withAlpha (0.5f));
        g.drawRect (getLocalBounds());
        g.drawLine (0.0f, 0.0f, (float) getWidth(), (float) getHeight());
        g.drawLine (0.0f, (float) getHeight(), (float) getWidth(), 0.0f);

        g.setFont (14.0f);
        g.drawText ("Projucer Component",
                    0, 0, getWidth(), getHeight() / 2,
                    Justification::centred, true);
        g.drawText ("(no file loaded)",
                    0, getHeight() / 2, getWidth(), getHeight() / 2,
                    Justification::centred, true);
    }
}

void TestComponent::resized()
{
    if (Component* const c = getChildComponent (0))
    {
        setOpaque (c->isOpaque());
        c->setBounds (getLocalBounds());
    }
}

//==============================================================================
void TestComponent::showInDialogBox (JucerDocument& document)
{
    DialogWindow::LaunchOptions o;
    o.content.setOwned (new TestComponent (nullptr, document.createCopy(), true));
    o.dialogTitle                   = "Testing: " + document.getClassName();
    o.dialogBackgroundColour        = Colours::azure;
    o.escapeKeyTriggersCloseButton  = true;
    o.useNativeTitleBar             = false;
    o.resizable                     = true;

    o.launchAsync();
}