-----------------------------
-- Levak ©2014 --------------
-- http://levak.free.fr/ ----
-- levak92@gmail.com --------
-----------------------------

TILE_ANIM = 10

function fillRoundedRect(gc, x, y, w, h, r)
   if w <= 2*r or h <= 2*r then
      gc:fillArc(x, y, w, h, 0, 360)
   else
      gc:fillRect(r + x- 1,  r + y - 1, w - 2*r+2, h - 2*r +2)
      gc:fillRect(r + x,     y,         w - 2*r,   r)
      gc:fillRect(x,         r + y,     r,         h - 2*r)
      gc:fillRect(x + w - r, r + y,     r,         h - 2*r)
      gc:fillRect(r + x,     y + h - r, w - 2*r,   r)

      gc:fillArc(x,           y,           2*r, 2*r, 0, 360)
      gc:fillArc(x + w - 2*r, y,           2*r, 2*r, 0, 360)
      gc:fillArc(x,           y + h - 2*r, 2*r, 2*r, 0, 360)
      gc:fillArc(x + w - 2*r, y + h - 2*r, 2*r, 2*r, 0, 360)
   end
end

function drawStringOutline(gc, s, x, y)
   gc:setColorRGB(255, 255, 255)
   gc:drawString(s, x+1, y)
   gc:drawString(s, x-1, y)
   gc:drawString(s, x, y+1)
   gc:drawString(s, x, y-1)
   gc:setColorRGB(0, 0, 0)
   gc:drawString(s, x, y)
end

best = 0
function on.restore(data)
   if data then
      best = data[1]
   end
end

function on.save()
   return {best}
end

function on.init()
   game = Game()
end

function on.resize(w, h)
   ww, wh = w, h
   TILE_SIZE = w * 51 / 320
   platform.window:invalidate()
end

function on.draw(gc)
   game:paint(gc)
end

function on.paint(gc)
   on.resize(platform.window:width(), platform.window:height())
   on.init()
   on.paint = on.draw
   on.draw(gc)
end

function on.arrowKey(key)
   game:move(key)
   platform.window:invalidate()
end

function on.charIn(ch)
   if ch == "8" then
      on.arrowKey("up")
   elseif ch == "4" then
      on.arrowKey("left")
   elseif ch == "6" then
      on.arrowKey("right")
   elseif ch == "2" then
      on.arrowKey("down")
   elseif ch == " " then
      on.enterKey()
   end
end

function on.enterKey()
   if game.win then
      game.win = false
   else
      game = Game()
   end
   platform.window:invalidate()
end

if platform.hw then
   timer.multiplier = platform.hw() < 4 and 4 or 1
else
   timer.multiplier = 4
end

---------- AnimIt : Timer event

function on.timer()
   local j = 1
   while j <= #timer.tasks do -- for each task
      if timer.tasks[j][2]() then -- delete it if has ended
         table.remove(timer.tasks, j)
      else
         j = j + 1
      end
   end

   if #timer.tasks <= 0 then
      timer.stop()
   end

   platform.window:invalidate()
end