import pycurl
import sys, getopt
import zipfile
from StringIO import StringIO
import json
import copy
from importCommon import *
import importCommon
#########################################################################################################################################################################################
#																																		       											#
# Import all users from a given file																										   											#
# 																																			   											#
# activation :																																   											#
#       python importNormativeTypes.py [-s <scheme> | --scheme=<scheme> ] [-i <be host> | --ip=<be host>] [-p <be port> | --port=<be port> ] [-f <input file> | --ifile=<input file> ]	#
#							  [-v <true|false> | --updateversion=<true|false>]																											#
# shortest activation (be host = localhost, be port = 8080): 																				   											#
#		python importNormativeTypes.py [-f <input file> | --ifile=<input file> ]												 				           								#
#																																		       											#	
#########################################################################################################################################################################################

def createNormativeType(scheme, beHost, bePort, adminUser, fileDir, ELEMENT_NAME, updateversion):
    try:
        log("in create normative type ", ELEMENT_NAME)
        debug("userId", adminUser)
        debug("fileDir", fileDir)

        buffer = StringIO()
        c = pycurl.Curl()

        url = scheme + '://' + beHost + ':' + bePort + '/sdc2/rest/v1/catalog/upload/multipart'
        if updateversion != None:
            url += '?createNewVersion=' + updateversion
        c.setopt(pycurl.URL, url)
        c.setopt(pycurl.POST, 1)

        adminHeader = 'USER_ID: ' + adminUser
        # c.setopt(pycurl.HTTPHEADER, ['Content-Type: application/json', 'Accept: application/json', adminHeader])
        c.setopt(pycurl.HTTPHEADER, [adminHeader])

        yml_path = fileDir + ELEMENT_NAME + "/" + ELEMENT_NAME + ".yml"
        path = fileDir + ELEMENT_NAME + "/" + ELEMENT_NAME + ".zip"

        zf = zipfile.ZipFile(path, "w")
        zf.write(yml_path, ELEMENT_NAME + '.yml')
        zf.close()

        debug(path)
        CURRENT_JSON_FILE = fileDir + ELEMENT_NAME + "/" + ELEMENT_NAME + ".json"
        # sed -i 's/"userId": ".*",/"userId": "'${USER_ID}'",/' ${CURRENT_JSON_FILE}

        jsonFile = open(CURRENT_JSON_FILE)

        debug("before load json")
        json_data = json.load(jsonFile, strict=False)
        debug(json_data)

        jsonAsStr = json.dumps(json_data)

        send = [('resourceMetadata', jsonAsStr), ('resourceZip', (pycurl.FORM_FILE, path))]
        debug(send)
        c.setopt(pycurl.HTTPPOST, send)

        # data = json.dumps(user)
        # c.setopt(c.POSTFIELDS, data)

        if scheme == 'https':
            # security "man in middle" vulnerability
            c.setopt(pycurl.SSL_VERIFYPEER, 0)
            c.setopt(pycurl.SSL_VERIFYHOST, 0)

        # c.setopt(c.WRITEFUNCTION, lambda x: None)
        c.setopt(pycurl.WRITEFUNCTION, buffer.write)
        # print("before perform")
        c.perform()

        # print("Before get response code")
        httpRes = c.getinfo(pycurl.RESPONSE_CODE)
        if (httpRes != None):
            debug("http response=", httpRes)
        # print('Status: ' + str(responseCode))
        debug(buffer.getvalue())
        c.close()

        return ELEMENT_NAME, httpRes, buffer.getvalue()

    except Exception as inst:
        print("ERROR=" + str(inst))
        return ELEMENT_NAME, None, None


def usage():
    print sys.argv[0], \
        '[optional -s <scheme> | --scheme=<scheme>, default http] [-i <be host> | ' \
        '--ip=<be host>] [-p <be port> | --port=<be port> ] [-u <user userId> | --user=<user userId> ] ' \
        '[-v <true|false> | --updateversion=<true|false>]'


def importNormativeTypes(scheme, beHost, bePort, adminUser, fileDir, updateversion):
    normativeTypes = ["root", "compute", "softwareComponent", "webServer", "webApplication", "DBMS", "database",
                      "objectStorage", "blockStorage", "containerRuntime", "containerApplication", "loadBalancer",
                      "port", "network"]
    # normativeTypes = [ "root" ]
    responseCodes = [200, 201]

    if (updateversion == 'false'):
        responseCodes = [200, 201, 409]

    results = []
    for normativeType in normativeTypes:
        result = createNormativeType(scheme, beHost, bePort, adminUser, fileDir, normativeType, updateversion)
        results.append(result)
        if (result[1] == None or result[1] not in responseCodes):
            print "Failed creating normative type " + normativeType + ". " + str(result[1])
    return results


def main(argv):
    print 'Number of arguments:', len(sys.argv), 'arguments.'

    beHost = 'localhost'
    bePort = '8080'
    adminUser = 'jh0003'
    updateversion = 'true'
    scheme = 'http'

    try:
        opts, args = getopt.getopt(argv, "i:p:u:v:h:s:", ["ip=", "port=", "user=", "updateversion=", "scheme="])
    except getopt.GetoptError:
        usage()
        error_and_exit(2, 'Invalid input')

    for opt, arg in opts:
        # print opt, arg
        if opt == '-h':
            usage()
            sys.exit(3)
        elif opt in ("-i", "--ip"):
            beHost = arg
        elif opt in ("-p", "--port"):
            bePort = arg
        elif opt in ("-u", "--user"):
            adminUser = arg
        elif opt in ("-s", "--scheme"):
            scheme = arg
        elif opt in ("-v", "--updateversion"):
            if (arg.lower() == "false" or arg.lower() == "no"):
                updateversion = 'false'

    print 'scheme =', scheme, ', be host =', beHost, ', be port =', bePort, ', user =', adminUser, ', updateversion =', updateversion

    if (beHost == None):
        usage()
        sys.exit(3)

    results = importNormativeTypes(scheme, beHost, bePort, adminUser, "../../../import/tosca/normative-types/",
                                   updateversion)

    print "-----------------------------"
    for result in results:
        print "{0:20} | {1:6}".format(result[0], result[1])
    print "-----------------------------"

    responseCodes = [200, 201]

    if (updateversion == 'false'):
        responseCodes = [200, 201, 409]

    failedNormatives = filter(lambda x: x[1] == None or x[1] not in responseCodes, results)
    if (len(failedNormatives) > 0):
        error_and_exit(1, None)
    else:
        error_and_exit(0, None)


if __name__ == "__main__":
    main(sys.argv[1:])