#include "PrecompiledHeader.h"

#include "GuiLayers.h"
#include "Player.h"

GuiLayer::GuiLayer()
{
    modal = 0;
    hasFocus = false;
    mCount = 0;
    mCurr = 0;
    mActionButton = JGE_BTN_OK;
}

GuiLayer::~GuiLayer()
{
    resetObjects();
}

void GuiLayer::Add(JGuiObject *object)
{
    mObjects.push_back(object);
    mCount++;
}

int GuiLayer::Remove(JGuiObject *object)
{
    for (int i = 0; i < mCount; i++)
        if (mObjects[i] == object)
        {
            delete mObjects[i];
            mObjects.erase(mObjects.begin() + i);
            mCount--;
            if (mCurr == mCount)
                mCurr = 0;
            return 1;
        }
    return 0;
}

int GuiLayer::getMaxId()
{
    return mCount;
}

void GuiLayer::Render()
{
    for (int i = 0; i < mCount; i++)
        if (mObjects[i] != NULL)
            mObjects[i]->Render();
}

void GuiLayer::Update(float dt)
{
    for (int i = 0; i < mCount; i++)
        if (mObjects[i] != NULL)
            mObjects[i]->Update(dt);
}

void GuiLayer::resetObjects()
{
    for (int i = 0; i < mCount; i++)
        if (mObjects[i])
        {
            // big, ugly hack around CardView / MTGCardInstance ownership problem - these two classes have an interdependency with naked pointers,
            // but the order of destruction can leave a dangling pointer reference inside of a CardView, which attempts to clean up its own pointer
            // reference in an MTGCardInstance when it's destroyed.  Ideally, CardView should only hold onto a weak reference, but that's a bigger overhaul.
            // For now, if we get here, clear out the MTGCardInstance pointer of a CardView before calling delete.
            CardView* cardView = dynamic_cast<CardView*>(mObjects[i]);
            if (cardView)
            {
                cardView->card = NULL;
            }
            delete mObjects[i];
        }
    mObjects.clear();
    mCount = 0;
    mCurr = 0;
}

int GuiLayer::getIndexOf(JGuiObject * object)
{
    for (int i = 0; i < mCount; i++)
    {
        if (mObjects[i] == object)
            return i;
    }
    return -1;
}

JGuiObject * GuiLayer::getByIndex(int index)
{
    return mObjects[index];
}