import subprocess
import os
import sys
import distutils.spawn
from waflib import Logs, Context

APPNAME = 'j2kbench'

def options(opt):
    opt.load('compiler_cxx')
    opt.add_option('--enable-debug', action='store_true', default=False, help='build with debugging information and without optimisation')

def configure(conf):
    conf.load('compiler_cxx')
    conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-D_FILE_OFFSET_BITS=64', '-D__STDC_FORMAT_MACROS'])

    conf.env.ENABLE_DEBUG = conf.options.enable_debug

    conf.check_cfg(package='libdcp-1.0', args='--cflags --libs', uselib_store='LIBDCP', mandatory=True)

    # ImageMagick / GraphicsMagick
    if distutils.spawn.find_executable('Magick++-config'):
        conf.check_cfg(package='', path='Magick++-config', args='--cppflags --cxxflags --libs', uselib_store='MAGICK', mandatory=True)
    else:
        image = conf.check_cfg(package='ImageMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
        graphics = conf.check_cfg(package='GraphicsMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
        if image is None and graphics is None:
            Logs.error('Neither ImageMagick++ nor GraphicsMagick++ found: one or the other is required')

    # Remove erroneous escaping of quotes from xmlsec1 defines
    conf.env.DEFINES_LIBDCP = [f.replace('\\', '') for f in conf.env.DEFINES_LIBDCP]

    conf.check_cxx(fragment="""
    			    #include <boost/filesystem.hpp>\n
    			    int main() { boost::filesystem::copy_file ("a", "b"); }\n
			    """,
                   msg='Checking for boost filesystem library',
                   libpath='/usr/local/lib',
                   lib=['boost_filesystem', 'boost_system'],
                   uselib_store='BOOST_FILESYSTEM')

    conf.check_cxx(fragment="""
                            #include <boost/thread.hpp>\n
                            int main() { boost::thread t (); }\n
                            """,
                   msg='Checking for boost threading library',
                   libpath='/usr/local/lib',
                   lib=['boost_thread', 'boost_system'],
                   uselib_store='BOOST_THREAD')

    if conf.options.enable_debug:
        conf.env.append_value('CXXFLAGS', '-g')

def build(bld):
    obj = bld(features='cxx cxxprogram')
    obj.name = 'j2kbench'
    obj.target = 'j2kbench'
    obj.use = 'LIBDCP MAGICK BOOST_FILESYSTEM BOOST_THREAD'
    obj.source = 'j2kbench.cc'