# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
VERSION='0.1.0'
APPNAME='nTorrent'

from waflib import Configure, Utils, Logs, Context
import os

def options(opt):

    opt.load(['compiler_c', 'compiler_cxx', 'gnu_dirs'])

    opt.load(['default-compiler-flags', 'coverage', 'boost',
              'doxygen', 'sphinx_build'],
              tooldir=['.waf-tools'])

    opt = opt.add_option_group('nTorrent Options')

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

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

    if 'PKG_CONFIG_PATH' not in os.environ:
      os.environ['PKG_CONFIG_PATH'] = Utils.subst_vars('${LIBDIR}/pkgconfig', conf.env)

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

    boost_libs = 'system random thread filesystem log log_setup'
    if conf.options.with_tests:
        conf.env['WITH_TESTS'] = 1
        conf.define('WITH_TESTS', 1);
        boost_libs += ' unit_test_framework'

    conf.check_boost(lib=boost_libs, mt=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

    # Loading "late" to prevent tests to be compiled with profiling flags
    conf.load('coverage')

    conf.write_config_header('src/config.h')

def build (bld):
    bld(
        features='cxx',
        name='nTorrent',
        source=bld.path.ant_glob(['src/**/*.cpp'],
                                 excl=['src/main.cpp',]),
        use='version NDN_CXX BOOST',
        includes='src',
        export_includes='src',
    )
    # main
    bld(
      target='ntorrent',
      features='cxx cxxprogram',
      source='src/main.cpp',
      use = 'nTorrent')

    # Unit tests
    if bld.env["WITH_TESTS"]:
      unittests = bld.program (
          target="unit-tests",
          source = bld.path.ant_glob(['tests/**/*.cpp']),
          features=['cxx', 'cxxprogram'],
          use = 'nTorrent',
          includes = "src .",
          install_path = None
          )

# docs
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', 'nTorrent-*']
        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[11:]
    except:
        pass