local SceneIdx  = -1
local MAX_LAYER = 2

local background = nil

local labelAtlas = nil
local titleLabel = nil
local subtitleLabel = nil
local baseLayer_entry = nil

local s = CCDirector:sharedDirector():getWinSize()


local function backAction()
    SceneIdx = SceneIdx - 1
    if SceneIdx < 0 then
        SceneIdx = SceneIdx + MAX_LAYER
    end

    return CreateParticleLayer()
end

local function restartAction()
    return CreateParticleLayer()
end

local function nextAction()
    SceneIdx = SceneIdx + 1
    SceneIdx = math.mod(SceneIdx, MAX_LAYER)

    return CreateDrawPrimitivesTestLayer()
end

local function backCallback(sender)
    local scene = CCScene:create()

    scene:addChild(backAction())
    scene:addChild(CreateBackMenuItem())

    CCDirector:sharedDirector():replaceScene(scene)
end

local function restartCallback(sender)
    local scene = CCScene:create()

    scene:addChild(restartAction())
    scene:addChild(CreateBackMenuItem())

    CCDirector:sharedDirector():replaceScene(scene)
end

local function nextCallback(sender)
    local scene = CCScene:create()

    scene:addChild(nextAction())
    scene:addChild(CreateBackMenuItem())

    CCDirector:sharedDirector():replaceScene(scene)
end


local function getBaseLayer()
	local layer = CCLayer:create()

    titleLabel = CCLabelTTF:create("", "Arial", 28)
    layer:addChild(titleLabel, 100, 1000)
    titleLabel:setPosition(s.width / 2, s.height - 50)

    subtitleLabel = CCLabelTTF:create("", "Arial", 16)
    layer:addChild(subtitleLabel, 100)
    subtitleLabel:setPosition(s.width / 2, s.height - 80)


    local item1 = CCMenuItemImage:create(s_pPathB1, s_pPathB2)
    local item2 = CCMenuItemImage:create(s_pPathR1, s_pPathR2)
    local item3 = CCMenuItemImage:create(s_pPathF1, s_pPathF2)
	local item4 = CCMenuItemToggle:create(CCMenuItemFont:create("Free Movement"))
	item4:addSubItem(CCMenuItemFont:create("Relative Movement"))
	item4:addSubItem(CCMenuItemFont:create("Grouped Movement"))
	item1:registerScriptTapHandler(backCallback)
	item2:registerScriptTapHandler(restartCallback)
	item3:registerScriptTapHandler(nextCallback)

    local menu = CCMenu:create()
	menu:addChild(item1)
	menu:addChild(item2)
	menu:addChild(item3)
	menu:addChild(item4)

    menu:setPosition(CCPointMake(0, 0))
    item1:setPosition(CCPointMake(s.width/2 - item2:getContentSize().width * 2, item2:getContentSize().height / 2))
    item2:setPosition(CCPointMake(s.width/2, item2:getContentSize().height / 2))
    item3:setPosition(CCPointMake(s.width/2 + item2:getContentSize().width * 2, item2:getContentSize().height / 2))
	item4:setPosition(ccp(0, 100))
    item4:setAnchorPoint(ccp(0, 0))

    layer:addChild(menu, 100)

    labelAtlas = CCLabelAtlas:create("0000", "fps_images.png", 12, 32, string.byte('.'))
    layer:addChild(labelAtlas, 100)
    labelAtlas:setPosition(ccp(s.width - 66, 50))

	layer:setTouchEnabled(false)

	return layer
end

local function drawPrimitivesTest()
    local layer = getBaseLayer()
    
    ccDrawLine( ccp(0, s.height),  ccp(s.width, 0) );
	glLineWidth( 5.0);
	ccDrawColor4B(255,0,0,255);
    ccDrawLine(ccp(0, 0), ccp(s.width, s.height) );
    
--  ccPointSize(64);
--  ccDrawColor4B(0,0,255,128);
--  ccDrawPoint( VisibleRect::center() );
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // draw 4 small points
--  CCPoint points[] = { ccp(60,60), ccp(70,70), ccp(60,70), ccp(70,60) };
--  ccPointSize(4);
--  ccDrawColor4B(0,255,255,255);
--  ccDrawPoints( points, 4);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // draw a green circle with 10 segments
--  glLineWidth(16);
--  ccDrawColor4B(0, 255, 0, 255);
--  ccDrawCircle( VisibleRect::center(), 100, 0, 10, false);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // draw a green circle with 50 segments with line to center
--  glLineWidth(2);
--  ccDrawColor4B(0, 255, 255, 255);
--  ccDrawCircle( VisibleRect::center(), 50, CC_DEGREES_TO_RADIANS(90), 50, true);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // open yellow poly
--  ccDrawColor4B(255, 255, 0, 255);
--  glLineWidth(10);
--  CCPoint vertices[] = { ccp(0,0), ccp(50,50), ccp(100,50), ccp(100,100), ccp(50,100) };
--  ccDrawPoly( vertices, 5, false);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // filled poly
--  glLineWidth(1);
--  CCPoint filledVertices[] = { ccp(0,120), ccp(50,120), ccp(50,170), ccp(25,200), ccp(0,170) };
--  ccDrawSolidPoly(filledVertices, 5, ccc4f(0.5f, 0.5f, 1, 1 ) );
--
--
--  // closed purble poly
--  ccDrawColor4B(255, 0, 255, 255);
--  glLineWidth(2);
--  CCPoint vertices2[] = { ccp(30,130), ccp(30,230), ccp(50,200) };
--  ccDrawPoly( vertices2, 3, true);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // draw quad bezier path
--  ccDrawQuadBezier(VisibleRect::leftTop(), VisibleRect::center(), VisibleRect::rightTop(), 50);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  // draw cubic bezier path
--  ccDrawCubicBezier(VisibleRect::center(), ccp(VisibleRect::center().x+30,VisibleRect::center().y+50), ccp(VisibleRect::center().x+60,VisibleRect::center().y-50),VisibleRect::right(),100);
--
--  CHECK_GL_ERROR_DEBUG();
--
--  //draw a solid polygon
--  CCPoint vertices3[] = {ccp(60,160), ccp(70,190), ccp(100,190), ccp(90,160)};
--  ccDrawSolidPoly( vertices3, 4, ccc4f(1,1,0,1) );
--
--  // restore original values
--  glLineWidth(1);
--  ccDrawColor4B(255,255,255,255);
--  ccPointSize(1);
--
--  CHECK_GL_ERROR_DEBUG();
    return layer
end

---------------------------------
--  DrawPrimitives Test
---------------------------------
function CreateDrawPrimitivesTestLayer()
	if SceneIdx == 0 then return drawPrimitivesTest()
	end
end

function DrawPrimitivesTest()
	cclog("DrawPrimitivesTest")
	local scene = CCScene:create()

	SceneIdx = -1
	scene:addChild(nextAction())
	scene:addChild(CreateBackMenuItem())

	return scene
end