#! /usr/bin/python


import sys
import requests
import json
import os

token = None
iotronic_url = "http://192.168.17.102:1288/v1"

try:
    os.environ['OS_AUTH_URL']
except Exception:
    print("load the rc")
    sys.exit(1)

url = os.environ['OS_AUTH_URL'] + "/auth/tokens"


def get_token(user, project, psw):
    payload = {"auth": {
        "identity": {
            "methods": ["password"],
            "password": {
                "user": {
                    "name": user,
                    "domain": {"id": "default"},
                    "password": psw
                }
            }
        },
        "scope": {
            "project": {
                "name": project,
                "domain": {"id": "default"}
            }
        }
    }
    }

    headers = {
        'content-type': "application/json",
    }

    response = requests.request("POST", url, data=json.dumps(payload), headers=headers)
    token=response.headers.get('X-Subject-Token')
    if token:
        r=json.loads(response.text)['token']['roles']
        roles=[str(x['name']) for x in r]

        print(user + " in " + project + ' with roles: '+ " ".join(roles) )

    return token


def node_manager(argv):
    actions = ['show', 'list', 'create', 'delete', 'update']
    if argv[0] not in actions or len(argv) == 0:
        print("node list|create|delete|show|update")
        sys.exit()

    global iotronic_url, token
    if not token:
        token = get_token(os.environ['OS_USERNAME'], os.environ['OS_PROJECT_NAME'], os.environ['OS_PASSWORD'])

    # print(token)

    headers = {'content-type': "application/json", 'x-auth-token': token, }

    if argv[0] == 'list':
        url = iotronic_url + "/nodes"
        response = requests.request("GET", url, headers=headers)

    elif argv[0] == 'create':
        code = argv[1]
        name = argv[2]
        lat = argv[3]
        lon = argv[4]
        alt = argv[5]
        typ = argv[6]

        url = iotronic_url + "/nodes"
        payload = {
            "code": code,
            "mobile": False,
            "location": [
                {
                    "latitude": lat,
                    "altitude": alt,
                    "longitude": lon
                }
            ],
            "type": typ,
            "name": name
        }

        response = requests.request("POST", url, data=json.dumps(payload), headers=headers)

    elif argv[0] == 'delete':
        node = argv[1]
        url = iotronic_url + "/nodes/" + node
        response = requests.request("DELETE", url, headers=headers)

    elif argv[0] == 'show':
        node = argv[1]
        url = iotronic_url + "/nodes/" + node
        response = requests.request("GET", url, headers=headers)

    elif argv[0] == 'update':
        node = argv[1]
        values = {}
        for opt in argv[2:]:
            key, val = opt.split(':')
            values[key] = val
        url = iotronic_url + "/nodes/" + node
        payload = values
        response = requests.request("PATCH", url, data=json.dumps(payload), headers=headers)

    else:
        print ("node list|create|delete|show|update")
        sys.exit()

    try:
        print(json.dumps(response.json(), indent=2))
    except Exception:
        pass


def plugin_manager(argv):
    actions = ['show', 'list', 'create', 'delete', 'update', 'inject']
    if argv[0] not in actions or len(argv) == 0:
        print("plugin list|create|delete|show|update|inject")
        sys.exit()

    global iotronic_url, token
    if not token:
        token = get_token(os.environ['OS_USERNAME'], os.environ['OS_PROJECT_NAME'], os.environ['OS_PASSWORD'])

    headers = {'content-type': "application/json", 'x-auth-token': token, }

    if argv[0] == 'list':
        url = iotronic_url + "/plugins"
        response = requests.request("GET", url, headers=headers)

    elif argv[0] == 'create':
        f=argv[1]
        with open(f, 'r') as fil:
            t = fil.read()
        url = iotronic_url + "/plugins"
        payload={"name": f, "config": t}
        response = requests.request("POST", url, data=json.dumps(payload), headers=headers)

    elif argv[0] == 'delete':
        plugin = argv[1]
        url = iotronic_url + "/plugins/" + plugin
        response = requests.request("DELETE", url, headers=headers)

    elif argv[0] == 'show':
        plugin = argv[1]
        url = iotronic_url + "/plugins/" + plugin
        response = requests.request("GET", url, headers=headers)

    elif argv[0] == 'update':
        plugin = argv[1]
        values = {}
        for opt in argv[2:]:
            key, val = opt.split(':')
            values[key] = val
        url = iotronic_url + "/plugins/" + plugin
        payload = values
        response = requests.request("PATCH", url, data=json.dumps(payload), headers=headers)

    else:
        print ("node list|create|delete|show|update")
        sys.exit()

    try:
        print(json.dumps(response.json(), indent=2))
    except Exception:
        pass


if __name__ == "__main__":
    argv = sys.argv
    if len(argv) <= 2:
        print("USAGE: iotronic node|plugin [OPTIONS]")
        sys.exit()

    if argv[1] == 'node':
            node_manager(argv[2:])
    elif argv[1] == 'plugin':
            plugin_manager(argv[2:])
    else:
        print("USAGE: iotronic node|plugin [OPTIONS]")