#!/usr/bin/env python
from waflib.extras import autowaf as autowaf
from waflib import Options
import os

# Version of this package (even if built as a child)
EVORAL_VERSION = '0.0.0'

# Library version (UNIX style major, minor, micro)
# major increment <=> incompatible changes
# minor increment <=> compatible changes (additions)
# micro increment <=> no interface changes
# Version history:
#   0.0.0 = 0,0,0
EVORAL_LIB_VERSION = '0.0.0'

# Variables for 'waf dist'
APPNAME = 'evoral'
VERSION = EVORAL_VERSION

# Mandatory variables
top = '.'
out = 'build'

def options(opt):
    opt.load('compiler_c')
    opt.load('compiler_cxx')
    autowaf.set_options(opt)
    opt.add_option('--test', action='store_true', default=False, dest='build_tests',
                    help="Build unit tests")
    opt.add_option('--test-coverage', action='store_true', default=False, dest='test_coverage',
                    help="Use gcov to test for code coverage")
    opt.add_option('--internal-shared-libs', action='store_true', default=True, dest='internal_shared_libs',
                   help='Build internal libs as shared libraries')

def configure(conf):
    #autowaf.display_header('Evoral Configuration')

    if not autowaf.is_child():
        autowaf.check_pkg(conf, 'libpbd-4', uselib_store='LIBPBD', atleast_version='4.0.0', mandatory=True)

    # Boost headers
    autowaf.check_header(conf, 'cxx', 'boost/shared_ptr.hpp')
    autowaf.check_header(conf, 'cxx', 'boost/weak_ptr.hpp')

    conf.env['BUILD_TESTS'] = Options.options.build_tests
    conf.env['TEST_COVERAGE'] = Options.options.test_coverage

    if Options.options.internal_shared_libs:
        conf.define('INTERNAL_SHARED_LIBS', 1)
    #autowaf.display_msg(conf, "Unit tests", str(conf.env['BUILD_TESTS']))
    #print

def build(bld):
    # Headers
    #bld.install_files('${INCLUDEDIR}/evoral', 'evoral/*.h')
    #bld.install_files('${INCLUDEDIR}/evoral', 'evoral/*.h')

    # Pkgconfig file
    #autowaf.build_pc(bld, 'EVORAL', EVORAL_VERSION, 'GLIBMM GTHREAD')

    libsmf = bld(features = 'c cstlib')
    libsmf.source = '''
            libsmf/smf.c
            libsmf/smf_decode.c
            libsmf/smf_load.c
            libsmf/smf_save.c
            libsmf/smf_tempo.c
    '''
    libsmf.export_includes = ['.']
    libsmf.defines      = ['SMF_VERSION="1.2"', 'LIBSMF_DLL_EXPORTS']
    libsmf.includes     = ['./src']
    libsmf.name         = 'libsmf'
    libsmf.target       = 'smf'
    libsmf.uselib       = 'GLIB'
    libsmf.use          = [ 'libtemporal' ]
    libsmf.install_path = None
    if bld.env['build_target'] != 'mingw':
        libsmf.cxxflags     = [ bld.env['compiler_flags_dict']['pic'] ]
        libsmf.cflags       = [ bld.env['compiler_flags_dict']['pic'] ]

    lib_source = '''
            Control.cc
            ControlList.cc
            ControlSet.cc
            Curve.cc
            Event.cc
            Note.cc
            SMF.cc
            Sequence.cc
            debug.cc
    '''

    # Library
    if bld.is_defined ('INTERNAL_SHARED_LIBS'):
        obj              = bld.shlib(features = 'c cxx cshlib cxxshlib', source=lib_source)
        # DLL exports for this library
        obj.defines      = [ 'LIBEVORAL_DLL_EXPORTS' ]
    else:
        obj              = bld.stlib(features = 'c cxx cstlib cxxstlib', source=lib_source)
        obj.cxxflags     = [ bld.env['compiler_flags_dict']['pic'] ]
        obj.cflags       = [ bld.env['compiler_flags_dict']['pic'] ]
        obj.defines      = [ ]

    obj.export_includes = ['.']
    obj.includes       = ['.', './src']
    obj.name           = 'libevoral'
    obj.target         = 'evoral'
    obj.uselib         = 'GLIBMM GTHREAD SMF XML LIBPBD OSX'
    obj.use            = 'libsmf libpbd'
    obj.vnum           = EVORAL_LIB_VERSION
    obj.install_path   = bld.env['LIBDIR']
    obj.defines       += [ 'PACKAGE="libevoral"' ]

    # disable unit-tests -- build is broken with nutempo
    if bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'):
        # Static library (for unit test code coverage)
        obj = bld(features = 'cxx cstlib')
        obj.source         = lib_source
        obj.export_includes = ['.']
        obj.includes       = ['.', './src']
        obj.name           = 'libevoral_static'
        obj.target         = 'evoral_static'
        obj.uselib         = 'GLIBMM GTHREAD SMF XML LIBPBD'
        obj.use            = 'libsmf libpbd'
        obj.vnum           = EVORAL_LIB_VERSION
        obj.install_path   = ''
        if bld.env['TEST_COVERAGE']:
            obj.linkflags      = ['--coverage']
            obj.cflags         = ['--coverage']
            obj.cxxflags       = ['--coverage']
        obj.defines        = ['PACKAGE="libevoral"']

        # Unit tests
        obj              = bld(features = 'cxx cxxprogram')
        obj.source       = [
                'test/SequenceTest.cc',
                'test/SMFTest.cc',
                'test/NoteTest.cc',
                'test/CurveTest.cc',
                'test/testrunner.cc',
                ]
        obj.includes     = ['.', './src']
        obj.use          = 'libevoral_static'
        obj.uselib       = 'GLIBMM GTHREAD SMF XML LIBPBD OSX CPPUNIT'
        obj.target       = 'run-tests'
        obj.name         = 'libevoral-tests'
        obj.install_path = ''
        obj.defines      = ['PACKAGE="libevoraltest"']
        if bld.env['TEST_COVERAGE']:
            obj.linkflags      = ['--coverage']
            obj.cflags         = ['--coverage']
            obj.cxxflags       = ['--coverage']

def test(ctx):
    autowaf.pre_test(ctx, APPNAME)
    print(os.getcwd())
    os.environ['EVORAL_TEST_PATH'] = os.path.abspath('../test/testdata/')
    autowaf.run_tests(ctx, APPNAME, ['./run-tests'])
    autowaf.post_test(ctx, APPNAME)
