from urllib.parse import urlparse
import archinstall, sys, os, glob
import urllib.request

# TODO: Learn the dark arts of argparse...
#       (I summon thee dark spawn of cPython)

class ProfileNotFound(BaseException):
	pass

def find_examples():
	"""
	Used to locate the examples, bundled with the module or executable.

	:return: {'guided.py' : './examples/guided.py', '<profile #2>' : '<path #2>'}
	:rtype: dict
	"""
	cwd = os.path.abspath(f'{os.path.dirname(__file__)}')
	examples = f"{cwd}/examples"

	return {os.path.basename(path): path for path in glob.glob(f'{examples}/*.py')}

def find(url):
    parsed_url = urlparse(url)
    if not parsed_url.scheme:
        examples = find_examples()
        if f"{url}.py" in examples:
          return open(examples[f"{url}.py"]).read()
        try:
          return open(url, 'r').read()
        except FileNotFoundError:
          return ProfileNotFound(f"File {url} does not exist")
    elif parsed_url.scheme in ('https', 'http'):
        return urllib.request.urlopen(url).read().decode('utf-8')
    else:
        return ProfileNotFound(f"Cannot handle scheme {parsed_url.scheme}")

def run_as_a_module():
		"""
		Since we're running this as a 'python -m archinstall' module OR
		a nuitka3 compiled version of the project.
		This function and the file __main__ acts as a entry point.
		"""
		if len(sys.argv) == 1: sys.argv.append('guided')
    
		try:
				profile = find(sys.argv[1])
				print(profile)
		except ProfileNotFound as err:
				print(f"Couldn't find file: {err}")
				sys.exit(1)

		try:
				exec(profile) # Is this is very safe?
		except Exception as err:
				print(f"Failed to run profile... {err}")
				sys.exit(1) # Should prompt for another profile path instead

if __name__ == '__main__':
	run_as_a_module()