
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


#!/usr/bin/env python
import requests, json, os, sys, time
#sys.path.append('common-utils')
sys.path.append(os.path.join(sys.path[0],'utils'))
from readProperties import readProperties

class restApi(object):
    '''
    Functions for testing CORD API with POST, GET, PUT, DELETE method
    '''
    def __init__(self, propertyFile="RestApiProperties.py"):
        self.rp = readProperties(os.path.abspath(os.path.dirname(__file__))+"/../Properties/"+ propertyFile)
        self.controllerIP = self.getValueFromProperties("SERVER_IP")
        self.controllerPort = self.getValueFromProperties("SERVER_PORT")
        self.user = self.getValueFromProperties("XOS_USER")
        self.password = self.getValueFromProperties("XOS_PASSWD")
        self.jsonHeader = {'Content-Type': 'application/json'}

    def getValueFromProperties(self, key):
        '''
        Get and return values from properties file
        '''
        try:
            rawValue = self.rp.getValueProperties(key)
            value = rawValue.replace("'","")
        except:
            value = None

        # Allow override from environment
        if key in os.environ:
            value = os.environ[key]

        return value

    def getURL(self, key):
        '''
        Get REST API suffix from key and return the full URL
        '''
        urlSuffix =  self.getValueFromProperties(key)
        url = "http://" + self.controllerIP + ":" + self.controllerPort + urlSuffix
        return url

    def checkResult(self, resp, expectedStatus):
        '''
        Check if the status code in resp equals to the expected number.
        Return True or False based on the check result.
        '''
        if resp.status_code == expectedStatus:
            print "Test passed: " + str(resp.status_code) + ": " + resp.text
            return True
        else:
            print "Test failed: " + str(resp.status_code) + ": " + resp.text
            return False

    def ApiPost(self, key, jsonData):
        url = self.getURL(key)
        data = json.dumps(jsonData)
        print "url, data..", url, data
        resp = requests.post(url, data=data, headers=self.jsonHeader, auth=(self.user, self.password))
        print "requests.codes.....",requests.codes.created
        passed = self.checkResult(resp, requests.codes.created) or self.checkResult(resp, requests.codes.ok)
        return passed

    def ApiPostReturnJson(self, key, jsonData):
        url = self.getURL(key)
        data = json.dumps(jsonData)
        print "url, data..", url, data
        resp = requests.post(url, data=data, headers=self.jsonHeader, auth=(self.user, self.password))
        print "requests.codes.....",requests.codes.created
        print "posted data...", resp.json()
        passed = self.checkResult(resp, requests.codes.created) or self.checkResult(resp, requests.codes.ok)
        return passed, resp.json()

    def ApiGet(self, key, urlSuffix=""):
        url = self.getURL(key) + str(urlSuffix)
        print "get url...",url
        resp = requests.get(url, auth=(self.user, self.password))
        passed = self.checkResult(resp, requests.codes.ok)
        if not passed:
            return None
        else:
            return resp.json()

    def ApiChameleonGet(self, key, urlSuffix=""):
        url = self.getURL(key) + "/" + str(urlSuffix)
        print "get url...",url
        resp = requests.get(url, auth=(self.user, self.password))
        passed = self.checkResult(resp, requests.codes.ok)
        if not passed:
            return None
        else:
            return resp.json()

    def ApiPut(self, key, jsonData, urlSuffix=""):
        print "urlSuffix....",type(urlSuffix)
        url = self.getURL(key) + str(urlSuffix) + "/"
        data = json.dumps(jsonData)
        resp = requests.put(url, data=data, headers=self.jsonHeader, auth=(self.user, self.password))
        passed = self.checkResult(resp, requests.codes.ok)
        return passed

    def ApiChameleonPut(self, key, jsonData, urlSuffix=""):
        print "urlSuffix....",type(urlSuffix)
        url = self.getURL(key) + "/" + str(urlSuffix)
        print "url", url
        data = json.dumps(jsonData)
        resp = requests.put(url, data=data, headers=self.jsonHeader, auth=(self.user, self.password))
        passed = self.checkResult(resp, requests.codes.ok)
        return passed

    def ApiDelete(self, key, urlSuffix=""):
        url = self.getURL(key) + str(urlSuffix)
        print "url",url
        resp = requests.delete(url, auth=(self.user, self.password))
        passed = self.checkResult(resp, requests.codes.no_content)
        return passed

    def ApiChameleonDelete(self, key, urlSuffix=""):
        url = self.getURL(key) + "/" + str(urlSuffix)
        print "url",url
        resp = requests.delete(url, auth=(self.user, self.password))
        #passed = self.checkResult(resp, requests.codes.no_content)
        passed = self.checkResult(resp, requests.codes.created) or self.checkResult(resp, requests.codes.ok)
        return passed