module WpaCliRuby
  class WpaCliWrapper
    
    def execute(*args)
      IO.popen(["wpa_cli"] + args) do |io|
        io.read
      end
    end
    
    def self.available?
      system("which wpa_cli > /dev/null 2>&1")
    end

    def scan
      execute("scan")
    end

    def scan_results
      execute("scan_results")
    end

    def add_network
      execute("add_network")
    end

    def set_network(network_id, key, value)
      value = "\"#{value}\"" unless value.is_a?(Symbol)
      execute("set_network", "#{network_id}", key, value.to_s)
    end

    def get_network(network_id, key)
      execute("get_network", "#{network_id}", key)
    end

    def list_networks
      execute("list_networks")
    end

    def enable_network(network_id)
      execute("enable_network", "#{network_id}")
    end
    
    def select_network(network_id)
      execute("select_network", "#{network_id}")
    end

    def save_config
      execute("save_config")
    end
  
    def get_status
      execute("status")
    end

    def set_ap_scan(val)
      execute("ap_scan", val.to_s)
    end

  end
end