# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-

"""
Copyright (c) 2014,  Regents of the University of California

This file is part of NSL (NDN Signature Logger).
See AUTHORS.md for complete list of NSL authors and contributors.

NSL 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.

NSL 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
NSL, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
"""

from waflib import Logs, Utils, Context
import os

VERSION = "0.1.0"
APPNAME = "nsl"

def options(opt):
    opt.load(['compiler_cxx', 'gnu_dirs', 'c_osx'])
    opt.load(['default-compiler-flags', 'boost', 'cryptopp',
              'sqlite3', 'doxygen', 'sphinx_build'],
             tooldir=['.waf-tools'])

    opt = opt.add_option_group('NSL Options')

    opt.add_option('--with-tests', action='store_true', default=False, dest='with_tests',
                   help='''build unit tests''')

    opt.add_option('--without-tools', action='store_false', default=True, dest='with_tools',
                   help='''Do not build tools''')

    opt.add_option('--without-sqlite-locking', action='store_false', default=True,
                   dest='with_sqlite_locking',
                   help='''Disable filesystem locking in sqlite3 database '''
                        '''(use unix-dot locking mechanism instead). '''
                        '''This option may be necessary if home directory is hosted on NFS.''')

def configure(conf):
    conf.load(['compiler_cxx', 'gnu_dirs', 'c_osx',
               'default-compiler-flags', 'boost', 'cryptopp',
               'sqlite3', 'doxygen', 'sphinx_build'])

    conf.env['WITH_TESTS'] = conf.options.with_tests
    conf.env['WITH_TOOLS'] = conf.options.with_tools

    conf.find_program('sh', var='SH', mandatory=True)

    conf.check_cxx(lib='pthread', uselib_store='PTHREAD', define_name='HAVE_PTHREAD',
                   mandatory=False)
    conf.check_sqlite3(mandatory=True)
    conf.check_cryptopp(mandatory=True, use='PTHREAD')

    conf.check_cfg(package='libndn-cxx', args=['--cflags', '--libs'],
                   uselib_store='NDN_CXX', mandatory=True)

    USED_BOOST_LIBS = ['system', 'filesystem', 'date_time', 'iostreams',
                       'program_options', 'chrono']
    if conf.env['WITH_TESTS']:
        USED_BOOST_LIBS += ['unit_test_framework']
        conf.define('HAVE_TESTS', 1)

    conf.check_boost(lib=USED_BOOST_LIBS, mandatory=True)
    if conf.env.BOOST_VERSION_NUMBER < 104800:
        Logs.error("Minimum required boost version is 1.48.0")
        Logs.error("Please upgrade your distribution or install custom boost libraries" +
                    " (http://redmine.named-data.net/projects/nfd/wiki/Boost_FAQ)")
        return

    if not conf.options.with_sqlite_locking:
        conf.define('DISABLE_SQLITE3_FS_LOCKING', 1)

    conf.define('DEFAULT_CONFIG_FILE', '%s/ndn/nsl.conf' % conf.env['SYSCONFDIR'])

    conf.write_config_header('config.hpp')

def build(bld):
    version(bld)

    bld(features="subst",
        name='version',
        source='version.hpp.in',
        target='version.hpp',
        install_path=None,
        VERSION_STRING=VERSION_BASE,
        VERSION_BUILD=VERSION,
        VERSION=int(VERSION_SPLIT[0]) * 1000000 +
                int(VERSION_SPLIT[1]) * 1000 +
                int(VERSION_SPLIT[2]),
        VERSION_MAJOR=VERSION_SPLIT[0],
        VERSION_MINOR=VERSION_SPLIT[1],
        VERSION_PATCH=VERSION_SPLIT[2],
        )

    core = bld(
        target='core-objects',
        name='core-objects',
        features='cxx',
        source=bld.path.ant_glob(['core/**/*.cpp']),
        use='version BOOST NDN_CXX CRYPTOPP SQLITE3',
        includes='. core',
        export_includes='. core',
        headers='common.hpp',
        )

    logger_objects = bld(
        target='daemon-objects',
        name='daemon-objects',
        features='cxx',
        source=bld.path.ant_glob(['daemon/**/*.cpp'],
                                 excl=['daemon/main.cpp']),
        use='core-objects',
        includes='daemon',
        export_includes='daemon',
        )

    bld(target='bin/nsl',
        features='cxx cxxprogram',
        source='daemon/main.cpp',
        use='daemon-objects',
        )

    if bld.env['WITH_TESTS']:
        bld.recurse('tests')

    if bld.env['WITH_TOOLS']:
        bld.recurse("tools")

    bld(features="subst",
        source='nsl.conf.sample.in',
        target='nsl.conf.sample',
        install_path="${SYSCONFDIR}/ndn",
        )

    if bld.env['SPHINX_BUILD']:
        bld(features="sphinx",
            builder="man",
            outdir="docs/manpages",
            config="docs/conf.py",
            source=bld.path.ant_glob('docs/manpages/**/*.rst'),
            install_path="${MANDIR}/",
            VERSION=VERSION)

def docs(bld):
    from waflib import Options
    Options.commands = ['doxygen', 'sphinx'] + Options.commands

def doxygen(bld):
    version(bld)

    if not bld.env.DOXYGEN:
        Logs.error("ERROR: cannot build documentation (`doxygen' is not found in $PATH)")
    else:
        bld(features="subst",
            name="doxygen-conf",
            source=["docs/doxygen.conf.in",
                    "docs/named_data_theme/named_data_footer-with-analytics.html.in"],
            target=["docs/doxygen.conf",
                    "docs/named_data_theme/named_data_footer-with-analytics.html"],
            VERSION=VERSION,
            HTML_FOOTER="../build/docs/named_data_theme/named_data_footer-with-analytics.html" \
                          if os.getenv('GOOGLE_ANALYTICS', None) \
                          else "../docs/named_data_theme/named_data_footer.html",
            GOOGLE_ANALYTICS=os.getenv('GOOGLE_ANALYTICS', ""),
            )

        bld(features="doxygen",
            doxyfile='docs/doxygen.conf',
            use="doxygen-conf")

def sphinx(bld):
    version(bld)

    if not bld.env.SPHINX_BUILD:
        bld.fatal("ERROR: cannot build documentation (`sphinx-build' is not found in $PATH)")
    else:
        bld(features="sphinx",
            outdir="docs",
            source=bld.path.ant_glob("docs/**/*.rst"),
            config="docs/conf.py",
            VERSION=VERSION)


def version(ctx):
    if getattr(Context.g_module, 'VERSION_BASE', None):
        return

    Context.g_module.VERSION_BASE = Context.g_module.VERSION
    Context.g_module.VERSION_SPLIT = [v for v in VERSION_BASE.split('.')]

    try:
        cmd = ['git', 'describe', '--match', 'nsl-*']
        p = Utils.subprocess.Popen(cmd, stdout=Utils.subprocess.PIPE,
                                   stderr=None, stdin=None)
        out = p.communicate()[0].strip()
        if p.returncode == 0 and out != "":
            Context.g_module.VERSION = out[8:]
    except:
        pass