class Tournament < ActiveRecord::Base
	belongs_to :game
	has_many :matches
	has_and_belongs_to_many :players, class_name: "User", association_foreign_key: "player_id", join_table: "players_tournaments"
	has_and_belongs_to_many :hosts,   class_name: "User", association_foreign_key: "host_id",   join_table: "hosts_tournaments"

	def open?
		return true
	end

	def joinable_by?(user)
		return ((not user.nil?) and user.in_group?(:player) and open?)
	end

	def join(user)
		unless joinable_by?(user)
			return false
		end
		players<<user
	end

	def setup
		num_teams = (self.users.count/self.players_per_team).floor
		num_matches = num_teams - 1
		for i in 0..num_matches
			self.matches.create(name: "Match #{i}")
		end
		#self.players.each_slice(num_teams) do |team_players|
		#	Team.new(users: team_players)
		#end
	end


end