#!/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):
    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")

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

    autowaf.check_pkg(conf, 'cppunit', uselib_store='CPPUNIT', atleast_version='1.12.0', mandatory=False)
    autowaf.check_pkg(conf, 'glib-2.0', uselib_store='GLIB', atleast_version='2.2')
    autowaf.check_pkg(conf, 'glibmm-2.4', uselib_store='GLIBMM', atleast_version='2.14.0')
    autowaf.check_pkg(conf, 'gthread-2.0', uselib_store='GTHREAD', atleast_version='2.14.0')

    # 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

    #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/*.hpp')

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

    libsmf = bld(features = 'c cstlib')
    libsmf.source = '''
            src/libsmf/smf.c
            src/libsmf/smf_decode.c
            src/libsmf/smf_load.c
            src/libsmf/smf_save.c
            src/libsmf/smf_tempo.c
    '''
    libsmf.export_includes = ['./src/libsmf']
    libsmf.defines      = ['SMF_VERSION="1.2"', 'LIBSMF_DLL_EXPORTS']
    libsmf.includes     = ['./src']
    libsmf.name         = 'libsmf'
    libsmf.target       = 'smf'
    libsmf.uselib       = 'GLIB'
    libsmf.cxxflags     = [ '-fPIC' ]
    libsmf.cflags       = [ '-fPIC' ]
    libsmf.install_path = bld.env['LIBDIR']

    lib_source = '''
            src/Control.cpp
            src/ControlList.cpp
            src/ControlSet.cpp
            src/Curve.cpp
            src/Event.cpp
            src/IdentityConverter.cpp
            src/midi_util.cpp
            src/MIDIEvent.cpp
            src/Note.cpp
            src/SMF.cpp
            src/Sequence.cpp
            src/debug.cpp
    '''

    # 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     = [ '-fPIC' ]
        obj.cflags       = [ '-fPIC' ]
        obj.defines      = [ ]

    obj.export_includes = ['.']
    obj.includes       = ['.', './src']
    obj.name           = 'libevoral'
    obj.target         = 'evoral'
    obj.uselib         = 'GLIBMM GTHREAD SMF'
    obj.use            = 'libsmf libpbd'
    obj.vnum           = EVORAL_LIB_VERSION
    obj.install_path   = bld.env['LIBDIR']
    obj.defines       += [ 'PACKAGE="libevoral"', 'EVORAL_MIDI_XML=1' ]

    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.source         = lib_source
        obj.export_includes = ['.']
        obj.includes       = ['.', './src']
        obj.name           = 'libevoral_static'
        obj.target         = 'evoral_static'
        obj.uselib         = 'GLIBMM GTHREAD SMF'
        obj.use            = 'libsmf libpbd'
        obj.vnum           = EVORAL_LIB_VERSION
        obj.install_path   = ''
        if bld.env['TEST_COVERAGE']:
            obj.linkflags      = '-lgcov'
            obj.cflags         = [ '-fprofile-arcs',  '-ftest-coverage' ]
            obj.cxxflags       = [ '-fprofile-arcs',  '-ftest-coverage' ]
        obj.defines        = ['PACKAGE="libevoral"', 'EVORAL_MIDI_XML=1' ]

        # Unit tests
        obj              = bld(features = 'cxx cxxprogram')
        obj.source       = '''
                test/SequenceTest.cpp
                test/SMFTest.cpp
                test/RangeTest.cpp
                test/testrunner.cpp
        '''
        obj.includes     = ['.', './src']
        obj.use          = 'libevoral_static'
        obj.uselib       = 'CPPUNIT SNDFILE'
        obj.target       = 'run-tests'
        obj.name         = 'libevoral-tests'
        obj.install_path = ''
        if bld.env['TEST_COVERAGE']:
            obj.linkflags      = '-lgcov'
            obj.cflags         = [ '-fprofile-arcs',  '-ftest-coverage' ]
            obj.cxxflags       = [ '-fprofile-arcs',  '-ftest-coverage' ]

def shutdown():
    autowaf.shutdown()
