#!/usr/bin/env python
import os
import sys
import argparse
import globals
import toolconfig
import subprocess
import json
from globals import UserParamsException

def describeRelease():
	"""Asks the user for information describing this software package.
	This is then fed into the .cram/releaseInfo.json and used by the rest of the utilities"""
	appname = os.path.basename(os.path.dirname(os.getcwd()))
	appname = subprocess.check_output(['zenity', '--width=600', '--height=400',
									'--entry',
									'--title', 'Please enter the name of this software package.',
									'--text', 'Name of the software package:',
									'--entry-text', appname
									]).strip()
	if globals.verbose:
		print appname
	apptype = subprocess.check_output(['zenity', '--width=600', '--height=400',
									'--list',
									'--title', "Choose the type of software application",
									'--column="Type"', '--column="Description"']
									+ list(reduce(lambda x, y: x + y, toolconfig.appTypes.items())) 
									).strip()
	if globals.verbose:
		print "Application type is", apptype
	
	packageInfo = {}
	packageInfo['name'] = appname
	packageInfo['type'] = apptype
	
	if not os.path.exists('.cram'):
		os.makedirs('.cram')
	packageInfofile = os.path.join('.cram', 'packageinfo')
	with open(packageInfofile, 'w') as pkginfof:
		json.dump(packageInfo, pkginfof)
	

def execute(args):
	parser = argparse.ArgumentParser(prog="cram  describe", description="Generate the configuration needed for cram in the current folder. This generates a file .cram/packageinfo that contains a description of this software package that can be used by cram. Currently, this contains a name and an application type")
	parser.add_argument('-v', '--verbose', action='store_true', help='Enable verbose logging')
	args = parser.parse_args(args)
	globals.verbose = args.verbose
	try:
		describeRelease()
	except UserParamsException as upe:
		if not globals.verbose and not globals.isunittests:
			print upe
			sys.exit(-1)
		else:
			raise

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