#!/bin/env python

import argparse
import requests

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

        events = j['data']
        events.sort(key=lambda x: int(x.split("/")[-1]))

        return events


def do_list_events(args):
    s = BMC(server=args.server)
    for e in s.list_events():
        print(e)

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

subparsers = parser.add_subparsers()
list_events = subparsers.add_parser('list', help='List all events on BMC')
list_events.set_defaults(func=do_list_events)

args = parser.parse_args()

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