local lg = assert( love.graphics )
local scene = assert( require 'scene' )
local shared = assert( require 'shared.shared' )
local server = assert( require 'udp' )
local packet = shared.packet
local crepuscular = assert( require 'crepuscular' )

local game = {}
local handlers = setmetatable( {}, {__index = function() return print end } )
local t = 0
local tick = 0
local serverTick = 0

function handlers.connected( data )
  serverTick = math.max( data.tick, serverTick )
end

function handlers.insect( data )
  
end

function handlers.soleil( data )
  
end

function handlers.playerChange( data )
  
end

function handlers.chatMessage( msg )
  print( msg.cmsg )
end

function game.draw()
  lg.setColor( 1, 1, 1, 1 )
  lg.print( tick, 0, 0 )
  lg.print( serverTick, 0, 25 )
end

function game.onPacket( msg )
  if not msg or (#msg < 1) then return end
  local msgs, types = packet.deserialise( msg )
  if not msgs then return game.onPacket( server.receive() ) end
  for i = 1, #msgs do
    --Handler returns something if msg should be discarded.
    if handlers[ types[i] ]( msgs[i] ) then break end
  end
  return game.onPacket( server.receive() )
end

function game.update( dt )
  t = dt + t
  game.onPacket( server.receive() )
  if t > 0.1 then
    t = 0
    tick = tick + 1
    server.newPacket()
    assert( server.send( packet.get() ) )
  end
end

function game.newGame( )
  game.curWorld = shared.NewWorld() --Last world state received from server.
  game.preWorld = shared.NewWorld() --Current world state predicted by this client.
end

function game.disconnect( )
  return scene.mainmenu( server.disconnect() )
end

function game.onLoad( params )
end

function game.keypressed( key, code, isRepeat )
  if code == "escape" then return game.disconnect() end
end

scene.game = game
return game