import sys


class MuninGraph(object):
    def run(self):
        cmd_name = None
        if len(sys.argv) > 1:
            cmd_name = sys.argv[1]
        if cmd_name == "config":
            self.print_config()
        else:
            metrics = self.calculate_metrics()
            self.print_metrics(metrics)

    def print_config(self):
        for key, value in self.graph_config.items():
            print("%s %s" % (key, value))

    def print_metrics(self, metrics):
        for key, value in metrics.items():
            print("%s.value %s" % (key, value))