#! /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, see <https://www.gnu.org/licenses/>.

"""
update_man.py for command line documentation.

Examples:
   python update_man.py -t

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

from __future__ import print_function

import os
import sys
from argparse import ArgumentParser

DOCUTILS = True
try:
    import docutils.core, docutils.writers
except:
    DOCUTILS = False

LANGUAGES = ["sv", "nl", "pl", "cs", "pt_BR", "fr"]
VERSION = "5.0.0"
DATE = ""

# 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 ["linux2", "darwin", "cygwin"]:
    pythonCmd = os.path.join(sys.prefix, "bin", "python")
    sphinxCmd = SPHINXBUILD
else:
    print("Update Man 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")

    if not DOCUTILS:
        print("\nNo docutils support, cannot use -m/--man and -o/--odt arguments.")


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

    parser = ArgumentParser(
        description="This program aims to handle documentation"
        " and related translated versions.",
    )

    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=False,
        help="build man documentation (via sphinx-build)",
    )

    parser.add_argument(
        "-m",
        "--man",
        action="store_true",
        dest="man",
        default=False,
        help="build man documentation (via docutils)",
    )

    parser.add_argument(
        "-o",
        "--odt",
        action="store_true",
        dest="odt",
        default=False,
        help="build odt documentation (via docutils)",
    )

    args = parser.parse_args()

    if args.test:
        tests()

    if args.build:
        build()

    if args.man and DOCUTILS:
        man()

    if args.odt and DOCUTILS:
        odt()


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

    # testing stage

    os.system("""%(program)s -b html . _build/html""" % {"program": sphinxCmd})
    os.system("""%(program)s -b htmlhelp . _build/htmlhelp""" % {"program": sphinxCmd})
    if DOCUTILS:
        os.system("""%(program)s -b man . .""" % {"program": sphinxCmd})
    os.system("""%(program)s -b text . _build/text""" % {"program": sphinxCmd})
    os.system("""%(program)s -b changes . _build/changes""" % {"program": sphinxCmd})
    # os.system('''%(program)s -b linkcheck . _build/linkcheck''' % {'program': sphinxCmd})
    os.system("""%(program)s -b gettext . _build/gettext""" % {"program": sphinxCmd})

    for lang in LANGUAGES:
        os.system(
            """%(program)s -b html -D language="%(lang)s" master_doc="%(lang)s" %(lang)s %(lang)s"""
            % {"lang": lang, "program": sphinxCmd}
        )
        os.system(
            """%(program)s -b htmlhelp -D language="%(lang)s" master_doc="%(lang)s" %(lang)s %(lang)s"""
            % {"lang": lang, "program": sphinxCmd}
        )
        if DOCUTILS:
            os.system(
                """%(program)s -b man %(lang)s %(lang)s"""
                % {"lang": lang, "program": sphinxCmd}
            )
        os.system(
            """%(program)s -b text -D language="%(lang)s" master_doc="%(lang)s" %(lang)s %(lang)s"""
            % {"lang": lang, "program": sphinxCmd}
        )
        # for update/migration
        os.system(
            """%(program)s -b gettext -D language="%(lang)s" master_doc="%(lang)s" . _build/gettext/%(lang)s"""
            % {"lang": lang, "program": sphinxCmd}
        )


def man():
    """
    man file generation via docutils (python)

    from docutils.core import publish_cmdline, default_description
    from docutils.writers import manpage
    """

    os.system("""rst2man en.rst gramps.1""")

    for lang in LANGUAGES:
        os.system(
            """rst2man %(lang)s/%(lang)s.rst -l %(lang)s %(lang)s/gramps.1"""
            % {"lang": lang}
        )


def odt():
    """
    odt file generation via docutils (python)

    from docutils.core import publish_cmdline_to_binary, default_description
    from docutils.writers.odf_odt import Writer, Reader
    """

    os.system("""rst2odt en.rst gramps.odt""")

    for lang in LANGUAGES:
        os.system(
            """rst2odt %(lang)s/%(lang)s.rst -l %(lang)s %(lang)s/gramps.odt"""
            % {"lang": lang}
        )


if __name__ == "__main__":
    main()
