#! /usr/bin/env python
#
# update_po - a gramps tool to update translations
#
# Copyright (C) 2006-2006  Kees Bakker
# Copyright (C) 2006       Brian Matherly
# Copyright (C) 2008       Stephen George
# Copyright (C) 2012
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

"""
update_doc.py for Gramps API(s) documentation.

Examples:
   python update_doc.py -t

      Tests if 'sphinx' and 'python' are well configured.
"""

from __future__ import print_function

import os
import sys
from argparse import ArgumentParser

# You can set these variables from the command line.
SPHINXBUILD   = 'sphinx-build'

if sys.platform == 'win32':
    pythonCmd = os.path.join(sys.prefix, 'bin', 'python.exe')
    sphinxCmd = os.path.join(sys.prefix, 'bin', 'sphinx-build.exe')
elif sys.platform in ['linux', 'linux2', 'darwin', 'cygwin']:
    pythonCmd = os.path.join(sys.prefix, 'bin', 'python')
    sphinxCmd = SPHINXBUILD
else:
    print ("Update Docs ERROR: unknown system, don't know sphinx, ... commands")
    sys.exit(0)

def tests():
    """
    Testing installed programs.
    We made tests (-t flag) by displaying versions of tools if properly
    installed. Cannot run all commands without 'sphinx' and 'python'.
    """
    try:
        print("\n=================='python'=============================\n")
        os.system('''%(program)s -V''' % {'program': pythonCmd})
    except:
        print ('Please, install python')

    try:
        print("\n=================='sphinx-build'=============================\n")
        os.system('''%(program)s''' % {'program': sphinxCmd})
    except:
        print ('Please, install sphinx')

def main():
    """
    The utility for handling documentation stuff.
    What is need by Gramps, nothing more.
    """

    parser = ArgumentParser(
                         description='This program aims to handle manual'
                                      ' and translated version.',
                         )

    parser.add_argument("-t", "--test",
            action="store_true", dest="test",  default=True,
            help="test if 'python' and 'sphinx' are properly installed")

    parser.add_argument("-b", "--build",
            action="store_true", dest="build",  default=True,
            help="build documentation")

    args = parser.parse_args()

    if args.test:
        tests()

    if args.build:
        build()

def build():
    """
    Build documentation.
    """

    # testing stage

    os.system('''%(program)s -b html . _build/html''' % {'program': sphinxCmd})
    os.system('''%(program)s -b changes . _build/changes''' % {'program': sphinxCmd})
    os.system('''%(program)s -b linkcheck . _build/linkcheck''' % {'program': sphinxCmd})

if __name__ == "__main__":
    main()