#!/usr/bin/python

import os, sys, re, datetime, ConfigParser, tempfile

if len(sys.argv) < 2:
  print "Usage: %s branch" % sys.argv[0]
  sys.exit()

config = ConfigParser.ConfigParser()
config.read(os.path.expanduser('~/.html5spec'))
if not config.has_section('html5'):
  print "Missing or incomplete %s" % os.path.expanduser('~/.html5spec')
  sys.exit()

branch = sys.argv[1]
today = datetime.date.today().strftime('%d %B %Y')

# get header, anolis flags from manu's repository
os.chdir(os.path.expanduser(config.get('html5', 'manu')))
os.system('git pull')
header = open('headers/header-w3c-html5').read()
header = header.replace('13 July 2009', today)
flags = re.search('ANOLIS_FLAGS="(.*)"', open('configure.ac').read()).group(1)

# get input source from git repository
os.chdir(os.path.expanduser(config.get('html5', 'source')))
os.system('git checkout ' + branch)
input = open('source').read()

# concat header and input
tempFD, tmpFile = tempfile.mkstemp('html5spec')
source = os.fdopen(tempFD, "w+")
source.write(header)
source.write(input)
source.close()

# execute Anolis
os.chdir(os.path.expanduser(config.get('html5', 'w3c')))
output=os.path.join(branch, 'fullspec.html')
cmd= 'anolis %s %s %s' % ( flags, tmpFile, output )
print cmd
os.system(cmd)

# cleanup
os.remove(tmpFile)

# split the spec
cmd = 'python spec/tools/spec-splitter.py --w3c %s %s' % (output, branch)
print cmd
os.system(cmd)

# oddly, Overview is supposed to be the full spec, so let's fix that
spec = os.path.join(branch, 'spec.html')
overview = os.path.join(branch, 'Overview.html')
if os.path.exists(spec): os.remove(spec)
os.rename(overview, spec)
os.rename(output, overview)