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

from waflib import Utils

top = '..'

def build(bld):
    # Single object tools:
    # tools/foo.cpp is a self-contained tool with a main() function
    # and is built as build/bin/foo. These tools cannot be unit-tested.
    for tool in bld.path.ant_glob('*.cpp'):
        name = tool.change_ext('').path_from(bld.path.get_bld())
        bld.program(name=f'tool-{name}',
                    target=f'{top}/bin/{name}',
                    source=[tool],
                    use='ndn-cxx')

    # Sub-directory tools:
    # tools/foo/**/*.cpp are compiled and linked into build/bin/foo.
    # tools/foo/main.cpp must exist and must contain the main() function.
    # All other objects are collected into 'tool-foo-objects' and can be unit-tested.
    for subdir in bld.path.ant_glob('*', dir=True, src=False):
        name = subdir.path_from(bld.path)
        subWscript = subdir.find_node('wscript')
        if subWscript:
            # if the subdir has a wscript, delegate to it
            bld.recurse(name)
            continue

        mainFile = subdir.find_node('main.cpp')
        if mainFile is None:
            # not a C++ tool, skip the subdir
            continue

        srcFiles = subdir.ant_glob('**/*.cpp', excl=['main.cpp'])
        srcObjects = ''
        if srcFiles:
            srcObjects = f'tool-{name}-objects'
            bld.objects(target=srcObjects,
                        source=srcFiles,
                        use='ndn-cxx')
        bld.program(name=f'tool-{name}',
                    target=f'{top}/bin/{name}',
                    source=[mainFile],
                    use='ndn-cxx ' + srcObjects)