#!/usr/bin/env python3
# ***************************************************************************
# * Authors:		Alberto García (alberto.garcia@cnb.csic.es)
# *					Martín Salinas (martin.salinas@cnb.csic.es)
# *
# *
# * This program is free software; you can redistribute it and/or modify
# * it under the terms of the GNU General Public License as published by
# * the Free Software Foundation; either version 2 of the License, or
# * (at your option) any later version.
# *
# * This program is distributed in the hope that it will be useful,
# * but WITHOUT ANY WARRANTY; without even the implied warranty of
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# * GNU General Public License for more details.
# *
# * You should have received a copy of the GNU General Public License
# * along with this program; if not, write to the Free Software
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# * 02111-1307 USA
# *
# * All comments concerning this program package may be sent to the
# * e-mail address 'scipion@cnb.csic.es'
# ***************************************************************************/

import os
import shutil
import subprocess
import sys

def __getProjectRootDir() -> str:
	"""
	### Returns the root directory of Xmipp.

	#### Returns:
	- (str): Absolute path to Xmipp's root directory.
	"""
	return os.path.dirname(os.path.abspath(__file__))

####################### MAIN EXECUTION THREAD #######################
if __name__ == "__main__":
	""" Calls main function when executed. """
	# Running always under this own directory.
	os.chdir(__getProjectRootDir())

	# Check if installer package is present
	if not shutil.which("xmipp3_installer"):
		print(
			"Xmipp's installer package \'xmipp3-installer\' is not installed.\n"
			"It is requied to continue.\n"
			"You can install it by running \'pip install xmipp3-installer\'.",
			flush=True
		)
		sys.exit(1)

	# Call xmipp installer
	process = subprocess.run(["xmipp3_installer", *sys.argv[1:]])
	sys.exit(process.returncode)