"""macgen_info - Generate CodeWarrior project, config source, resource file"""
import EasyDialogs
import os
import sys
import macfs
import MacOS
import macostools
import macgen_rsrc
# Note: this depends on being frozen, or on sys.path already being
# modified by macmodulefinder.
import makeconfig

TEMPLATEDIR=os.path.join(sys.prefix, ':Mac:mwerks:projects:build.macfreeze')
PROJECT_TEMPLATE=os.path.join(TEMPLATEDIR, ':frozen.prj')
CONFIG_TEMPLATE=os.path.join(TEMPLATEDIR, ':templatefrozenconfig.c')
BUNDLE_TEMPLATE=os.path.join(TEMPLATEDIR, ':frozenbundle.rsrc')

def generate(output, module_dict, debug=0, with_ifdef=0):
	problems = 0
	output_created=0
	if not os.path.exists(output):
		print 'Creating project folder', output
		os.mkdir(output)
		output_created = 1
	# Resolve aliases, if needed
	try:
		fss, dummy1, dummy2 = macfs.ResolveAliasFile(output)
	except macfs.error:
		pass
	else:
		newname = fss.as_pathname()
		if newname != output:
			if debug:
				print 'Alias', output
				print 'Resolved to', newname
			output = newname	
	# Construct the filenames
	dummy, outfile = os.path.split(output)
	build, ext = os.path.splitext(outfile)
	if build == 'build' and ext[0] == '.':
		# This is probably a good name for the project
		projname = ext[1:]
	else:
		projname = 'frozenapplet.prj'
	config_name = os.path.join(output, ':macfrozenconfig.c')
	project_name = os.path.join(output, ':' + projname + '.prj')
	resource_name = os.path.join(output, ':frozenmodules.rsrc')
	bundle_name = os.path.join(output, ':frozenbundle.rsrc')

	# Fill the output folder, if needed.
	if output_created:
		# Create the project, if needed
		if not os.path.exists(project_name):
			print 'Creating project', project_name
			if not os.path.exists(PROJECT_TEMPLATE):
				print '** No template CodeWarrior project found at', PROJECT_TEMPLATE
				print '   To generate standalone Python applications from source you need'
				print '   a full source distribution. Check http://www.cwi.nl/~jack/macpython.html'
				print '   for details.'
				problems = 1
			else:		
				macostools.copy(PROJECT_TEMPLATE, project_name)
				print 'A template CodeWarrior project has been copied to', project_name
				print 'It is up to you to make the following changes:'
				print '- Change the output file name'
				print '- Change the search path, unless the folder is in the python home'
				print '- Add sourcefiles/libraries for any extension modules used'
				print '- Remove unused sources, to speed up the build process'
				print '- Remove unused resource files (like tcl/tk) for a smaller binary'
				problems = 1
				macostools.copy(BUNDLE_TEMPLATE, bundle_name)
				print 'A template bundle file has also been copied to', bundle_name
				print 'You may want to adapt signature, size resource, etc'

	
	# Create the resource file
	macgen_rsrc.generate(resource_name, module_dict, debug=debug)
	
	# Create the config.c file
	if not os.path.exists(CONFIG_TEMPLATE):
		print '** No template config.c found at', PROJECT_TEMPLATE
		print '   To generate standalone Python applications from source you need'
		print '   a full source distribution. Check http://www.cwi.nl/~jack/macpython.html'
		print '   for details.'
		problems = 1
	else:
		# Find elegible modules (builtins and dynamically loaded modules)
		c_modules = []
		for module in module_dict.keys():
			if module_dict[module].gettype() in ('builtin', 'dynamic'):
				# if the module is in a package we have no choice but
				# to put it at the toplevel in the frozen application.
				if '.' in module:
					module = module.split('.')[-1]
				c_modules.append(module)
		ifp = open(CONFIG_TEMPLATE)
		ofp = open(config_name, 'w')
		makeconfig.makeconfig(ifp, ofp, c_modules, with_ifdef)
		ifp.close()
		ofp.close()
		MacOS.SetCreatorAndType(config_name, 'CWIE', 'TEXT')
	
	if warnings(module_dict):
		problems = 1
	return problems
	
def warnings(module_dict):
	problems = 0
	for name, module in module_dict.items():
		if module.gettype() not in ('builtin', 'module', 'dynamic', 'package'):
			problems = problems + 1
			print 'Warning: %s not included: %s %s'%(name, module.gettype(), module)
	return problems
