#!/usr/bin/env python
import os
import sys
import subprocess

from waflib.extras import autowaf as autowaf
import waflib.Options as Options

# Version of this package (even if built as a child)
LILV_VERSION       = '0.14.4'
LILV_MAJOR_VERSION = '0'

# Library version (UNIX style major, minor, micro)
# major increment <=> incompatible changes
# minor increment <=> compatible changes (additions)
# micro increment <=> no interface changes
# Lilv uses the same version number for both library and package
LILV_LIB_VERSION = LILV_VERSION

# Variables for 'waf dist'
APPNAME = 'lilv'
VERSION = LILV_VERSION

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

def options(opt):
    opt.load('compiler_c')
    opt.load('compiler_cxx')
    opt.load('python')
    autowaf.set_options(opt)
    opt.add_option('--no-utils', action='store_true', dest='no_utils',
                   help='Do not build command line utilities')
    opt.add_option('--bindings', action='store_true', dest='bindings',
                   help='Build python bindings')
    opt.add_option('--dyn-manifest', action='store_true', dest='dyn_manifest',
                   help='Build support for dynamic manifests')
    opt.add_option('--test', action='store_true', dest='build_tests',
                   help='Build unit tests')
    opt.add_option('--no-bash-completion', action='store_true',
                   dest='no_bash_completion',
                   help='Do not install bash completion script in CONFIGDIR')
    opt.add_option('--static', action='store_true', dest='static',
                   help='Build static library')
    opt.add_option('--no-shared', action='store_true', dest='no_shared',
                   help='Do not build shared library')
    opt.add_option('--static-progs', action='store_true', dest='static_progs',
                   help='Build programs as static binaries')
    opt.add_option('--default-lv2-path', type='string', default='',
                   dest='default_lv2_path',
                   help='Default LV2 path to use if LV2_PATH is unset')

def configure(conf):
    conf.load('compiler_c')

    if Options.options.bindings:
        try:
            conf.load('swig')
            conf.load('python')
            conf.load('compiler_cxx')
            conf.check_python_headers()
            autowaf.define(conf, 'LILV_PYTHON', 1);
        except:
            pass

    autowaf.configure(conf)
    autowaf.set_c99_mode(conf)
    autowaf.display_header('Lilv Configuration')

    conf.env.BASH_COMPLETION = not Options.options.no_bash_completion
    conf.env.BUILD_TESTS     = Options.options.build_tests
    conf.env.BUILD_UTILS     = not Options.options.no_utils
    conf.env.BUILD_SHARED    = not Options.options.no_shared
    conf.env.STATIC_PROGS    = Options.options.static_progs
    conf.env.BUILD_STATIC    = (Options.options.static or
                                Options.options.static_progs)

    if not conf.env.BUILD_SHARED and not conf.env.BUILD_STATIC:
        conf.fatal('Neither a shared nor a static build requested')

    autowaf.check_pkg(conf, 'lv2', uselib_store='LV2',
                      atleast_version='1.0.0', mandatory=True)
    autowaf.check_pkg(conf, 'serd-0', uselib_store='SERD',
                      atleast_version='0.14.0', mandatory=True)
    autowaf.check_pkg(conf, 'sord-0', uselib_store='SORD',
                      atleast_version='0.8.0', mandatory=True)
    autowaf.check_pkg(conf, 'sratom-0', uselib_store='SRATOM',
                      atleast_version='0.2.0', mandatory=True)

    autowaf.define(conf, 'LILV_NEW_LV2', 1)  # New LV2 discovery API

    defines = ['_POSIX_C_SOURCE', '_BSD_SOURCE']
    if Options.platform == 'darwin':
        defines += ['_DARWIN_C_SOURCE']

    # Check for gcov library (for test coverage)
    if conf.env.BUILD_TESTS:
        conf.check_cc(lib='gcov',
                      define_name='HAVE_GCOV',
                      mandatory=False)

    conf.check_cc(function_name='flock',
                  header_name='sys/file.h',
                  defines=defines,
                  define_name='HAVE_FLOCK',
                  mandatory=False)

    conf.check_cc(function_name='fileno',
                  header_name='stdio.h',
                  defines=defines,
                  define_name='HAVE_FILENO',
                  mandatory=False)

    conf.check_cc(function_name='clock_gettime',
                  header_name=['sys/time.h','time.h'],
                  defines=['_POSIX_C_SOURCE=199309L'],
                  define_name='HAVE_CLOCK_GETTIME',
                  uselib_store='CLOCK_GETTIME',
                  lib=['rt'],
                  mandatory=False)

    autowaf.define(conf, 'LILV_VERSION', LILV_VERSION)
    if Options.options.dyn_manifest:
        autowaf.define(conf, 'LILV_DYN_MANIFEST', 1)

    lilv_path_sep = ':'
    lilv_dir_sep  = '/'
    if sys.platform == 'win32':
        lilv_path_sep = ';'
        lilv_dir_sep = '\\\\'

    autowaf.define(conf, 'LILV_PATH_SEP', lilv_path_sep)
    autowaf.define(conf, 'LILV_DIR_SEP',  lilv_dir_sep)

    # Set default LV2 path
    lv2_path = Options.options.default_lv2_path
    if lv2_path == '':
        if Options.platform == 'darwin':
            lv2_path = lilv_path_sep.join(['~/Library/Audio/Plug-Ins/LV2',
                                           '~/.lv2',
                                           '/usr/local/lib/lv2',
                                           '/usr/lib/lv2',
                                           '/Library/Audio/Plug-Ins/LV2'])
        elif Options.platform == 'haiku':
            lv2_path = lilv_path_sep.join(['~/.lv2',
                                           '/boot/common/add-ons/lv2'])
        elif Options.platform == 'win32':
            lv2_path = lilv_path_sep.join(['%APPDATA%\\\\LV2',
                                           '%COMMONPROGRAMFILES%\\\\LV2'])
        else:
            libdirname = os.path.basename(conf.env.LIBDIR)
            lv2_path = lilv_path_sep.join(['~/.lv2',
                                           '/usr/%s/lv2' % libdirname,
                                           '/usr/local/%s/lv2' % libdirname])
    autowaf.define(conf, 'LILV_DEFAULT_LV2_PATH', lv2_path)

    conf.env.LIB_LILV = ['lilv-%s' % LILV_MAJOR_VERSION]

    conf.write_config_header('lilv_config.h', remove=False)

    autowaf.display_msg(conf, 'Default LV2_PATH',
                        conf.env.LILV_DEFAULT_LV2_PATH)
    autowaf.display_msg(conf, 'Utilities',
                        bool(conf.env.BUILD_UTILS))
    autowaf.display_msg(conf, 'Unit tests',
                        bool(conf.env.BUILD_TESTS))
    autowaf.display_msg(conf, 'Dynamic manifest support',
                        bool(conf.env.LILV_DYN_MANIFEST))
    autowaf.display_msg(conf, 'Python bindings',
                        conf.is_defined('LILV_PYTHON'))

    conf.undefine('LILV_DEFAULT_LV2_PATH')  # Cmd line errors with VC++
    print('')

def build_util(bld, name, defines):
    obj = bld(features     = 'c cprogram',
              source       = name + '.c',
              includes     = ['.', './src', './utils'],
              use          = 'liblilv',
              target       = name,
              defines      = defines,
              install_path = '${BINDIR}')
    if not bld.env.BUILD_SHARED or bld.env.STATIC_PROGS:
        obj.use = 'liblilv_static'
    if bld.env.STATIC_PROGS:
        if not bld.env.MSVC_COMPILER:
            obj.lib = ['m']
            obj.env.SHLIB_MARKER = obj.env.STLIB_MARKER
            obj.linkflags        = ['-static', '-Wl,--start-group']
    return obj

def build(bld):
    # C/C++ Headers
    includedir = '${INCLUDEDIR}/lilv-%s/lilv' % LILV_MAJOR_VERSION
    bld.install_files(includedir, bld.path.ant_glob('lilv/*.h'))
    bld.install_files(includedir, bld.path.ant_glob('lilv/*.hpp'))

    # Pkgconfig file
    autowaf.build_pc(bld, 'LILV', LILV_VERSION, LILV_MAJOR_VERSION, [],
                     {'LILV_MAJOR_VERSION' : LILV_MAJOR_VERSION,
                      'LILV_PKG_DEPS'      : 'lv2 serd-0 sord-0 sratom-0'})

    lib_source = '''
        src/collections.c
        src/instance.c
        src/lib.c
        src/node.c
        src/plugin.c
        src/pluginclass.c
        src/port.c
        src/query.c
        src/scalepoint.c
        src/state.c
        src/ui.c
        src/util.c
        src/world.c
        src/zix/tree.c
    '''.split()

    lib      = ['dl']
    libflags = ['-fvisibility=hidden']
    defines  = []
    if sys.platform == 'win32':
        lib = []
    if bld.env.MSVC_COMPILER:
        libflags = []
        defines  = ['snprintf=_snprintf']
    elif sys.platform.find('bsd') > 0:
        lib = []

    # Shared Library
    if bld.env.BUILD_SHARED:
        obj = bld(features        = 'c cshlib',
                  export_includes = ['.'],
                  source          = lib_source,
                  includes        = ['.', './src'],
                  name            = 'liblilv',
                  target          = 'lilv-%s' % LILV_MAJOR_VERSION,
                  vnum            = LILV_LIB_VERSION,
                  install_path    = '${LIBDIR}',
                  defines         = ['LILV_SHARED', 'LILV_INTERNAL'],
                  cflags          = libflags,
                  lib             = lib)
        autowaf.use_lib(bld, obj, 'SORD SRATOM LV2')

    # Static library
    if bld.env.BUILD_STATIC:
        obj = bld(features        = 'c cstlib',
                  export_includes = ['.'],
                  source          = lib_source,
                  includes        = ['.', './src'],
                  name            = 'liblilv_static',
                  target          = 'lilv-%s' % LILV_MAJOR_VERSION,
                  vnum            = LILV_LIB_VERSION,
                  install_path    = '${LIBDIR}',
                  defines         = defines + ['LILV_INTERNAL'])
        autowaf.use_lib(bld, obj, 'SORD SRATOM LV2')

    if bld.env.BUILD_TESTS:
        test_libs   = lib
        test_cflags = ['']
        if bld.is_defined('HAVE_GCOV'):
            test_libs   += ['gcov']
            test_cflags += ['-fprofile-arcs', '-ftest-coverage']

        # Test plugin library
        penv          = bld.env.derive()
        shlib_pattern = penv.cshlib_PATTERN
        if shlib_pattern.startswith('lib'):
            shlib_pattern = shlib_pattern[3:]
        penv.cshlib_PATTERN   = shlib_pattern
        shlib_ext = shlib_pattern[shlib_pattern.rfind('.'):]

        obj = bld(features     = 'c cshlib',
                  env          = penv,
                  source       = 'test/test_plugin.c',
                  name         = 'test_plugin',
                  target       = 'test/test_plugin.lv2/test_plugin',
                  install_path = None,
                  defines      = defines,
                  cflags       = test_cflags,
                  lib          = test_libs,
                  uselib       = 'LV2')

        # Test plugin data files
        for i in [ 'manifest.ttl.in', 'test_plugin.ttl.in' ]:
            bld(features     = 'subst',
                source       = 'test/' + i,
                target       = 'test/test_plugin.lv2/' + i.replace('.in', ''),
                install_path = None,
                SHLIB_EXT    = shlib_ext)

        # Static profiled library (for unit test code coverage)
        obj = bld(features     = 'c cstlib',
                  source       = lib_source,
                  includes     = ['.', './src'],
                  name         = 'liblilv_profiled',
                  target       = 'lilv_profiled',
                  install_path = None,
                  defines      = defines + ['LILV_INTERNAL'],
                  cflags       = test_cflags,
                  lib          = test_libs)
        autowaf.use_lib(bld, obj, 'SORD SRATOM LV2')

        # Unit test program
        bpath = os.path.abspath(os.path.join(out, 'test', 'test_plugin.lv2'))
        bpath = bpath.replace('\\', '/')
        obj = bld(features     = 'c cprogram',
                  source       = 'test/lilv_test.c',
                  includes     = ['.', './src'],
                  use          = 'liblilv_profiled',
                  uselib       = 'SORD LV2',
                  lib          = test_libs,
                  target       = 'test/lilv_test',
                  install_path = None,
                  defines      = defines + ['LILV_TEST_BUNDLE=\"%s/\"' % bpath],
                  cflags       = test_cflags)
        autowaf.use_lib(bld, obj, 'SORD SRATOM LV2')

    # Utilities
    if bld.env.BUILD_UTILS:
        utils = '''
            utils/lilv-bench
            utils/lv2info
            utils/lv2ls
        '''
        for i in utils.split():
            build_util(bld, i, defines)

    # lv2bench (less portable than other utilities)
    if bld.is_defined('HAVE_CLOCK_GETTIME'):
        obj = build_util(bld, 'utils/lv2bench', defines)
        if not bld.env.MSVC_COMPILER:
            obj.lib = ['rt']

    # Documentation
    autowaf.build_dox(bld, 'LILV', LILV_VERSION, top, out)

    # Man pages
    bld.install_files('${MANDIR}/man1', bld.path.ant_glob('doc/*.1'))

    # Bash completion
    if bld.env.BASH_COMPLETION:
        bld.install_as(
            '${SYSCONFDIR}/bash_completion.d/lilv', 'utils/lilv.bash_completion')

    if bld.is_defined('LILV_PYTHON'):
        # Python Wrapper
        obj = bld(features   = 'cxx cxxshlib pyext',
                  source     = 'bindings/lilv.i',
                  target     = 'bindings/_lilv',
                  includes   = ['..'],
                  swig_flags = '-c++ -python -Wall -I.. -llilv -features autodoc=1',
                  use        = 'liblilv')
        autowaf.use_lib(bld, obj, 'LILV')

        bld.install_files('${PYTHONDIR}', 'bindings/lilv.py')

    bld.add_post_fun(autowaf.run_ldconfig)
    if bld.env.DOCS:
        bld.add_post_fun(fix_docs)

def fix_docs(ctx):
    if ctx.cmd == 'build':
        autowaf.make_simple_dox(APPNAME)

def upload_docs(ctx):
    os.system('rsync -ravz --delete -e ssh build/doc/html/ drobilla@drobilla.net:~/drobilla.net/docs/lilv/')

def test(ctx):
    autowaf.pre_test(ctx, APPNAME)
    os.environ['PATH'] = 'test' + os.pathsep + os.getenv('PATH')
    autowaf.run_tests(ctx, APPNAME, ['lilv_test'], dirs=['./src','./test'])
    autowaf.post_test(ctx, APPNAME)

def lint(ctx):
    subprocess.call('cpplint.py --filter=+whitespace/comments,-whitespace/tab,-whitespace/braces,-whitespace/labels,-build/header_guard,-readability/casting,-readability/todo,-build/include,-runtime/sizeof src/* lilv/*', shell=True)
