#!/usr/bin/env python
##############################################################################
# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
'''This file contain all function about yardstick API.
At present, This file contain the following function:
1.Ask Yardstick to run testcase and get a task id.
2.use task id to ask yardstick for data.
3.Ask yardstick for InfluxDB create
4.how the process of task.'''

import sys
import os
import time
import requests
import json
import urllib
import utils.logger as logger
from utils.parser import Parser as config
import utils.env_prepare.stack_prepare as env

headers = {"Content-Type": "application/json"}
LOG = logger.Logger(__name__).getLogger()


def yardstick_image_prepare():
    if not os.path.exists(config.bottlenecks_config["yardstick_image_dir"]):
        urllib.urlretrieve(config.bottlenecks_config["image_url"],
                           config.bottlenecks_config["yardstick_image_dir"])
    env.prepare_image(config.bottlenecks_config["yardstick_image_name"],
                      config.bottlenecks_config["yardstick_image_dir"])


def yardstick_command_parser(debug, cidr, outfile, parameter):
    cmd = "yardstick"
    if debug:
        cmd += " -d"
    cmd += " task start "
    cmd += str(cidr)
    cmd += " --output-file " + outfile
    image_name = config.bottlenecks_config["yardstick_image_name"]
    parameter["image_name"] = image_name
    DEPLOY_SCENARIO = os.getenv("DEPLOY_SCENARIO")
    if DEPLOY_SCENARIO:
        if "ovs" in DEPLOY_SCENARIO:
            parameter["dpdk_enabled"] = True
    LOG.info(parameter)
    if parameter is not None:
        cmd += " --task-args " + '"' + str(parameter) + '"'
    return cmd


def Get_Reply(test_config, task_id, time_test=1):
    reply_url = ("http://%s/yardstick/results?task_id=%s"
                 % (test_config['yardstick_test_ip'], task_id))
    reply_response = requests.get(reply_url)
    reply_data = json.loads(reply_response.text)
    LOG.info("return data is %s" % (reply_data))
    if reply_data["status"] == 1:
        return(reply_data["result"])
    if reply_data["status"] == 0:
        if time_test == 100:
            LOG.info("yardstick time out")
            sys.exit()
        time.sleep(10)
        reply_result_data = Get_Reply(
            test_config, task_id, time_test=time_test + 1)
        return(reply_result_data)
    if reply_data["status"] == 2:
        LOG.error("yardstick error exit")
        sys.exit()


def Send_Data(test_dict, test_config):
    base_url = ("http://%s/yardstick/testcases/%s/action"
                % (test_config['yardstick_test_ip'],
                   test_config['yardstick_test_dir']))
    LOG.info("test ip addr is %s" % (base_url))
    reponse = requests.post(
        base_url, data=json.dumps(test_dict), headers=headers)
    ask_data = json.loads(reponse.text)
    task_id = ask_data["result"]
    LOG.info("yardstick task id is: %s" % (task_id))
    return task_id


def Create_Incluxdb(con_dic):
    base_url = ("http://%s/yardstick/env/action"
                % (con_dic['yardstick_test_ip']))
    test_dict = {
        "action": "createInfluxDBContainer",
    }
    responce = requests.post(
        base_url, data=json.dumps(test_dict), headers=headers)
    ask_data = json.loads(responce.text)
    task_id = ask_data["result"]["task_id"]
    LOG.info("waiting for creating InfluxDB")
    time.sleep(30)
    return task_id


def yardstick_env_prepare(con_dic):
    base_url = ("http://%s/yardstick/env/action"
                % (con_dic['yardstick_test_ip']))
    test_dict = {
        "action": "prepareYardstickEnv",
    }
    LOG.info("waiting for yardstick environment prepare")
    reponse = requests.post(
        base_url, data=json.dumps(test_dict), headers=headers)
    ask_data = json.loads(reponse.text)
    task_id = ask_data["result"]["task_id"]
    LOG.info("Done, yardstick environment prepare complete!")
    return task_id


def find_condition(con_dic):
    base_url = ("http://%s/yardstick/asynctask?%s"
                % (con_dic['yardstick_test_ip'].id))
    requests.post(
        base_url, headers=headers)
    LOG.info("check for creating InfluxDB")