import psql,login,helper

#helper = apache.import_module("helper")

def get_game_slot_of_game(player, gamename):
	"""
	gets playername and game name,
	searches through the game slots and returns the game slot used by the game.
	"""
	slotlist = psql.get_user_game_list(player)
	ret = ""
	for i in range(0,len(slotlist)):
		if slotlist[i] == gamename:
			ret = "game" + str(i+1)
	return ret
	
def main(req,form):
	"""
	get request,util.FieldStorage.
	manage the removal of game from game slots of players and 
	delete game from database.
	"""
	helper.debug(req,form,str(form.keys())+" sessionid in form:"+form["sessionid"]+"<br>")
	try:
		gamename = form["game"]
	except:
		gamename = ""
	if gamename != "":
		#get player names from game table in database
		players = psql.get_players_for_game(gamename)
		#free game slots of players
		for player in players:
			gameslot = get_game_slot_of_game(player,gamename)
			if gameslot != "":
				psql.set_game_slot(player,gameslot,"")
		
		#delete table
		psql.drop_table(gamename)
		#now display game overview form.
		login.game_overview_form(req,form)

	else:
		req.write('Error: You have to select a game to delete it!')