#!/usr/bin/python
#

# Copyright (C) 2006, 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.


import sys
import os
import itertools
from optparse import make_option
from cStringIO import StringIO

from ganeti.cli import *
from ganeti import opcodes
from ganeti import logger
from ganeti import constants
from ganeti import utils
from ganeti import errors


def ListJobs(opts, args):
  """List the jobs

  """
  if opts.output is None:
    selected_fields = ["id", "status"]
  else:
    selected_fields = opts.output.split(",")

  query = {
    "object": "jobs",
    "fields": selected_fields,
    "names": [],
    }

  output = SubmitQuery(query)
  if not opts.no_headers:
    headers = {
      "id": "ID",
      "status": "Status",
      "op_list": "OpCodes",
      "op_status": "OpStatus",
      "op_result": "OpResult",
      }
  else:
    headers = None

  # we don't have yet unitfields here
  unitfields = None
  numfields = ["id"]

  # change raw values to nicer strings
  for row in output:
    for idx, field in enumerate(selected_fields):
      val = row[idx]
      if field == "status":
        if val == opcodes.Job.STATUS_PENDING:
          val = "pending"
        elif val == opcodes.Job.STATUS_RUNNING:
          val = "running"
        elif val == opcodes.Job.STATUS_SUCCESS:
          val = "finished"
        elif val == opcodes.Job.STATUS_FAIL:
          val = "failed"
        elif val == opcodes.Job.STATUS_ABORT:
          val = "aborted"
        else:
          raise errors.ProgrammerError("Unknown job status code '%s'" % val)

      row[idx] = str(val)

  data = GenerateTable(separator=opts.separator, headers=headers,
                       fields=selected_fields, unitfields=unitfields,
                       numfields=numfields, data=output)
  for line in data:
    print line

  return 0


commands = {
  'list': (ListJobs, ARGS_NONE,
            [DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT],
            "", "List the jobs and their status. The available fields are"
           " (see the man page for details): id, status, op_list,"
           " op_status, op_result."
           " The default field"
           " list is (in order): id, status."),
  }


if __name__ == '__main__':
  sys.exit(GenericMain(commands))