# this file is used by the client and server.

class GameState
	constructor: (agent) ->
		@agent = agent
		state = {
			hooks: {}
			card_types: []
			auto_shuffle: false
			cards: []
			piles: {}
		}
	on: (event, callback) ->
		unless hooks[event]?
			hooks[event] = []
		hooks[event].push callback
	trigger: (event, args...) ->
		return unless hooks[event]?
		for callback in hooks[event]
			callback.apply this, args
	move: (agent, card, x, y) -> # FIXME add pile argument
		# FIXME what to do on error?
		return unless cards[card]? #?.pile?
		#cur_pile = cards[card].pile
		#if pile isnt cur_pile

		cards[card].x = x
		cards[card].y = y

		@trigger 'move', agent, card, x, y # FIXME add pile argument

	mark: (agent, card, state) ->
		# FIXME what to do on error?
		return unless cards[card]?.marked? #?.pile?
		card.marked = state
		@trigger 'mark', agent, state

	flip: (agent, card, state) ->
		# FIXME what to do on error?
		return unless cards[card]?.flipped? #?.pile?
		card.flipped = state
		@trigger 'flip', agent, state

	# FIXME implement set_pile(pile, card_order_array)

	set_cards: (cards) ->
		trigger 'delete_all_cards'
		@cards = []
		@piles = {}
		for card in cards
			card.number = @cards.length
			@cards.push card
			if card.pile?
				unless @piles[card.pile]?
					@piles[card.pile] = []
				@piles[card.pile].push card
		trigger 'all_new_cards'