#!/usr/bin/env python
import csv
import optparse
import signal
import sys
import os
try:
    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
    pass

path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
    sys.path.append(path)

import confluent.client as client
import confluent.sortutil as sortutil

headers = '# Type,Serial Number,Current IP,Current username,Current password,New password,Recovery password,Switch enable password,New IPv4,IPv4 Subnet mask,IPv4 Default gateway,IPv4 DNS1,IPv4 DNS2,New IPv6,IPv6 Prefix,IPv6 Default gateway,IPv6 DNS1,IPv6 DNS2,Domain,Host name,Display name,Rack,Lowest Rack Unit,Height,Force,Stored credentials ID,Managed authentication,Group Name'.split(',')

def lookupdata(data, key):
    ret = data.get(key, {}).get('value', '')
    if ret is None:
        ret = ''
    return ret

def main():
    argparser = optparse.OptionParser(
    usage='''\n       %prog noderange -o bulkimport.csv
             \n ''')
    argparser.add_option('-o', '--output',
                         help='File to write for bulk import into xClarity Administrator')
    (options, args) = argparser.parse_args()
    try:
        noderange = args[0]
    except IndexError:
        argparser.print_help()
        sys.exit(1)
    if not options.output:
        sys.stderr.write('Output file must be specified by -o\n')
        sys.exit(1)
    if 'XCCUSER' not in os.environ or 'XCCPASS' not in os.environ:
        sys.stderr.write('Must specify XCCUSER and XCCPASS in environment variables\n')
        sys.exit(1)
    xccuser = os.environ['XCCUSER']
    xccpass = os.environ['XCCPASS']
    sess = client.Command()
    databynode = {}
    for res in sess.read('/noderange/{0}/attributes/all'.format(noderange)):
        for node in res.get('databynode', {}):
            if node not in databynode:
                databynode[node] = {}
            databynode[node].update(res['databynode'][node])
    with open(options.output, 'w') as importfile:
        bulkimport = csv.writer(importfile)
        bulkimport.writerow(headers)
        for node in sortutil.natural_sort(databynode):
            data = databynode[node]
            row = ['server', lookupdata(data, 'id.serial'), lookupdata(data, 'hardwaremanagement.manager'), xccuser, xccpass, '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', node, lookupdata(data, 'location.rack'), lookupdata(data, 'location.u'), '', '', '','', '']
            bulkimport.writerow(row)




if __name__ == '__main__':
    main()