#!/usr/bin/env python

"""
 Copyright 2014, Daehwan Kim <infphilo@gmail.com>

 This file is part of Centrifuge, which is copied and modified from bowtie2-inspect in the Bowtie2 package.

 Centrifuge 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 3 of the License, or
 (at your option) any later version.

 Centrifuge 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 Centrifuge.  If not, see <http://www.gnu.org/licenses/>.
"""

import sys
import os
#import imp
import inspect
import logging

def build_args():
    """
    Parse the wrapper arguments. Returns the options,<programm arguments> tuple.
    """

    parsed_args = {}
    to_remove = []
    argv = sys.argv[:]
    for i, arg in enumerate(argv):
        if arg == '--debug':
            parsed_args[arg] = ""
            to_remove.append(i)
        elif arg == '--verbose':
            parsed_args[arg] = ""
            to_remove.append(i)

    for i in reversed(to_remove):
        del argv[i]

    return parsed_args, argv


def main():
    logging.basicConfig(level=logging.ERROR,
                        format='%(levelname)s: %(message)s'
                        )
    inspect_bin_name      = "centrifuge-inspect"
    curr_script           = os.path.realpath(inspect.getsourcefile(main))
    ex_path               = os.path.dirname(curr_script)
    inspect_bin_spec      = os.path.join(ex_path, "centrifuge-inspect-bin")
    #bld                   = imp.load_source('centrifuge-build', os.path.join(ex_path,'centrifuge-build'))
    options,arguments     = build_args()

    if '--verbose' in options:
        logging.getLogger().setLevel(logging.INFO)
        
    if '--debug' in options:
        inspect_bin_spec += '-debug'
    
    arguments[0] = inspect_bin_name
    arguments.insert(1, 'basic-0')
    arguments.insert(1, '--wrapper')
    logging.info('Command: %s %s' %  (inspect_bin_spec,' '.join(arguments[1:])))
    os.execv(inspect_bin_spec, arguments)        
        
        
if __name__ == "__main__":
    main()
