#!/bin/env python

import argparse
import requests
import json

import urllib3
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)


class BMC:
    def __init__(self, server):
        self.url = "https://{0}/".format(server)
        self.session = requests.Session()
        self.login()

    def login(self):
        r = self.session.post(self.url + 'login',
                              json={'data': ['root', '0penBmc']},
                              verify=False)
        j = r.json()
        if j['status'] != 'ok':
            raise Exception("Failed to login: \n" + r.text)

    def list_all(self):
        r = self.session.get(self.url + 'xyz/openbmc_project/sensors/enumerate',
                             verify=False)
        j = r.json()
        if j['status'] != 'ok':
            raise Exception("Failed to query sensors: \n" + r.text)

        sensors = j['data']
        sensors = sorted(sensors,key=lambda x: x.split("/")[-1])

        return sensors

    def get_sensor(self, sensor):
        r = self.session.get(self.url + sensor, verify=False)

        j = r.json()
        if j['status'] != 'ok':
            raise Exception("Failed to get sensor " + sensor + ": \n" + r.text)

        return j['data']

def do_list_all(args):
    s = BMC(server=args.server)
    for e in s.list_all():
        if (args.value):
            value = s.get_sensor(e)
            print(e + ' : '+ str(value["Value"]))
        else:
            print(e)

def do_view_sensor(args):
    s = BMC(server=args.server)
    print(s.get_sensor(args.sensor))
    print json.dumps(s.get_sensor(args.sensor), indent=4)

parser = argparse.ArgumentParser()
parser.add_argument('--server', help='hostname or IP of BMC', type=str,
                    required=True)

subparsers = parser.add_subparsers()

list_all_sensors = subparsers.add_parser('list', help='List all sensors on BMC')
list_all_sensors.set_defaults(func=do_list_all)
list_all_sensors.add_argument(
    '--value',
    action='store_true',
    default=False,
    help='Provide current value of sensor')

view_sensor = subparsers.add_parser(
    'view', help='View all data for an individual sensor')
view_sensor.add_argument('sensor', help='The sensor to view')
view_sensor.set_defaults(func=do_view_sensor)

args = parser.parse_args()

if 'func' in args:
    args.func(args)
else:
    parser.print_help()