local arrows = {}

local padding = 10


function arrows.load(game, stage, camera)
	arrows.img_left = love.graphics.newImage('assets/sprites/arrows/left.png')
	arrows.left_x = padding
	arrows.left_y = (game.canvas.height / 2) - (arrows.img_left:getHeight() /2)

	arrows.img_right = love.graphics.newImage('assets/sprites/arrows/right.png')
	arrows.right_x = (game.canvas.width - arrows.img_right:getWidth()) - padding
	arrows.right_y = (game.canvas.height / 2) - (arrows.img_left:getHeight() /2)
	arrows.game = game
end

function arrows.update(dt, game)

end

function arrows.draw()
	if arrows.game.level > 1 then
		love.graphics.draw(arrows.img_left, arrows.left_x, arrows.left_y)
	end
	if arrows.game.level < arrows.game.end_level then
		love.graphics.draw(arrows.img_right, arrows.right_x, arrows.right_y)
	end
	if arrows.game.level == arrows.game.end_level then
		arrows.game.var_end = true
	end

end


function arrows.mousepressed(mx, my, button)
	x1,y1,x2,y2,x3,y3,x4,y4 = camera.gcam:getVisibleCorners()
	wl, wt, ww, wh = camera.gcam:getWorld()
	if button == 1 then
		if x1 <= arrows.left_x + arrows.img_left:getWidth() then
			if mx >= arrows.left_x and mx < arrows.left_x + arrows.img_left:getWidth() then
				if my >= arrows.left_y and my < arrows.left_y + arrows.img_left:getHeight() then
					arrows.game:prevLevel()
				end
			end
		end
		if x2 >= (ww - arrows.img_right:getWidth()) then
			same_size = false
			if ww == arrows.game.canvas.width and x1 == 0 then
				-- Verify canvas == world
				same_size = true
			end
			if same_size then
				-- canvas == world
				if mx >= arrows.right_x then
					if my >= arrows.left_y and my < arrows.left_y + arrows.img_left:getHeight() then
						arrows.game:nextLevel()
					end
				end
			else
				-- large world - scroll cam
				if mx >= (ww - x1 - arrows.img_right:getWidth())
					and mx <= (ww - arrows.img_right:getWidth())
					or same_size then
					if my >= arrows.right_y and my < arrows.right_y + arrows.img_right:getHeight() then
						arrows.game:nextLevel()
					end
				end
			end
		end
	end
end

return arrows