#!/usr/bin/env python2

"""Control Script for processing comet front end.

   Mostly this just uses the objects for control,
   but it does get to specify a few things
   """


import cometFlowControl
import cometCommands
import optparse
import sys

# Use optparse to define commmand line options.
parser = optparse.OptionParser()

parser.add_option("-l","--logfile",action="store",dest="logfile",
                  type="string",default=None,
                  help="Specify the name of the log file for the comet job")
parser.add_option("-c","--configfile",action="store",dest="configfile",
                  type="string",default = "comet.cfg",
                  help="Specify the name of the cards file for the comet job")
parser.add_option("-r","--runnumber",action="store",dest="number",type="string",
                  default = None,
                  help="Provide a number of up to 8 characters to give output files a unique name. This will be encorporated into the output files. If this option is used it will override the value in the cards file.")
parser.add_option("-u","--comment",action="store",dest="comment",type="string",
                  default = None,
                  help="Provide a comment to be used in the last field of the filename. This will be truncated if the file name exceeds 80 characters")
parser.add_option("-t","--tmpdir",action="store",dest="tmpdir",
                  type="string",
                  help="Specify the directory for temporary files. Defaults to /tmp/Icedust_<user>")
parser.add_option("--command",action="store",dest="command",
                  type="string",default=None,
                  help="Get help for a command word in used in the configuration file. This command also requires the --section option")
parser.add_option("--section",action="store",dest="section",
                  type="string",default=None,
                  help="Get help for a section in used in the configuration file.")
parser.add_option("--list",action="store_true",dest="list",
                  help="List all card file options")

(options,args) = parser.parse_args()

#################################################################
#Start the real Script.

# If command has been set this is a request for help.
if (options.command):
    if (options.section):
        commandList = cometCommands.cometCommands()
        print options.section,":",options.command+"\n"+commandList.getCommandHelp(options.section,options.command)
        sys.exit()
    sys.exit("The --section option is required for --command. Please specify the section.\nIf you are unsure use --list to list all sections and commands.")

# We could also be getting help on the section
if (options.section):
    commandList = cometCommands.cometCommands()
    print commandList.getSectionHelp(options.section)
    sys.exit()
        
# We could also be listing commands
if (options.list):
    commandList = cometCommands.cometCommands()
    commandList.listCommands()
    print """
To get help with a specific section type 
    RunIcedustControl -- section=\"section\""""
    print """
To get help with a specific command type
    RunIcedustControl -- section=\"section\"    --command=\"command\"
"""


    sys.exit()

# Create the object.
control = cometFlowControl.cometFlowControl()

# Pass the command line arguments.
control.setLogfile(options.logfile)
control.setConfig(options.configfile)
control.setOutputNumber(options.number)
control.setOutputComment(options.comment)
control.setTmpDir(options.tmpdir)

# Process options and run.
control.RunIcedust()