#!/usr/bin/python

import os
import sys

import TaskGen
import Utils

from buildtools.config import Config, msg, opj, loadETG

from distutils.file_util import copy_file
from distutils.dir_util  import mkpath
from distutils.dep_util  import newer, newer_group
from distutils.spawn     import spawn

source_exts = [".cpp"]
out = 'build_waf'

from waflib.TaskGen import feature, after
from waflib.Task import Task
from waflib.Tools import c_preproc

os.environ["MACOSX_DEPLOYMENT_TARGET"] = "10.4"

def options(opt):
    opt.load('compiler_cc compiler_cxx')
    opt.add_option('--wx-config', dest='wx_config', default='wx-config', action='store')

def configure(conf):
    conf.load('compiler_cc compiler_cxx python')
    conf.check_python_headers()
    wx_config = conf.options.wx_config
            
    conf.env.append_value('CFLAGS', '-g')
    conf.env.append_value('CXXFLAGS', '-g')
    conf.check_cfg(path=wx_config, package='', args='--cxxflags --libs', uselib_store='WX', mandatory=True)

    

def build(bld):
    #----------------------------------------------------------------------
    
    # Create a buildtools.config.Configuration object
    cfg = Config()
    
    
    # Ensure that the directory containing this script is on the python
    # path for spawned commands so the builder and phoenix packages can be
    # found.
    thisdir = os.path.abspath(".")
    os.environ['PYTHONPATH'] = thisdir + os.pathsep + os.environ.get('PYTHONPATH', '')
    
      
    WX_PKGLIST = [ cfg.PKGDIR ]
    
    SCRIPTS = None
    DATA_FILES = []
    HEADERS = None
    BUILD_OPTIONS = { 'build_base' : cfg.BUILD_BASE }
    if cfg.WXPORT == 'msw':
        BUILD_OPTIONS[ 'compiler' ] = cfg.COMPILER
        
    copy_file('src/__init__.py', cfg.PKGDIR, update=1, verbose=0)
    cfg.CLEANUP.append(opj(cfg.PKGDIR, '__init__.py'))
    
    # update the license files
    mkpath('license')
    for filename in ['preamble.txt', 'licence.txt', 'licendoc.txt', 'lgpl.txt']:
        copy_file(opj(cfg.WXDIR, 'docs', filename), opj('license',filename), update=1, verbose=0)
        cfg.CLEANUP.append(opj('license',filename))
    cfg.CLEANUP.append('license')
    
    
    # create the package's __version__ module
    open(opj(cfg.PKGDIR, '__version__.py'), 'w').write("""\
# This file was generated by setup.py...

VERSION_STRING    = '%(VERSION)s'
MAJOR_VERSION     = %(VER_MAJOR)s
MINOR_VERSION     = %(VER_MINOR)s
RELEASE_NUMBER    = %(VER_RELEASE)s
SUBRELEASE_NUMBER = %(VER_SUBREL)s

VERSION = (MAJOR_VERSION, MINOR_VERSION, RELEASE_NUMBER,
           SUBRELEASE_NUMBER, '%(VER_FLAGS)s')
    """ % cfg.__dict__)
    cfg.CLEANUP.append(opj(cfg.PKGDIR,'__version__.py'))
    
    
    if sys.platform in ['win32', 'darwin']:
        cfg.build_locale_dir(opj(cfg.PKGDIR, 'locale'))
        DATA_FILES += cfg.build_locale_list(opj(cfg.PKGDIR, 'locale'))
    
    
    if os.name == 'nt':
        rc_file = ['src/wxc.rc']
    else:
        rc_file = []

    source_dirs = [
        "sip/cpp",
    ]
    
    etg = loadETG('etg/_core.py')
    etg = loadETG('etg/_dataview.py')

    def remove_archs(var):
        result = []
        skipnext = False
        for flag in var:
            index = var.index(flag)
            nextflag = var[index+1]
            if flag == '-arch' or flag == '-isysroot':
                skipnext = True
            elif not skipnext:
                result.append(flag)
            else:
                skipnext = False
                
        return result
    
    bld.env.CFLAGS_PYEXT = remove_archs(bld.env.CFLAGS_PYEXT)
    bld.env.CFLAGS_PYEMBED = remove_archs(bld.env.CFLAGS_PYEMBED)
    
    bld.env.CXXFLAGS_PYEXT = remove_archs(bld.env.CXXFLAGS_PYEXT)
    bld.env.CXXFLAGS_PYEMBED = remove_archs(bld.env.CXXFLAGS_PYEMBED)

    bld.env.LINKFLAGS_PYEXT = remove_archs(bld.env.LINKFLAGS_PYEXT)
    bld.env.LINKFLAGS_PYEMBED = remove_archs(bld.env.LINKFLAGS_PYEMBED)

    archs = ['-arch', 'i386', '-mmacosx-version-min=10.5']
    bld.env.append_value('CFLAGS_PYEXT', archs)
    bld.env.append_value('CFLAGS_PYEMBED', archs)
    
    bld.env.append_value('CXXFLAGS_PYEXT', archs)
    bld.env.append_value('CXXFLAGS_PYEMBED', archs)
    
    bld.env.append_value('LINKFLAGS_PYEXT', archs)
    bld.env.append_value('LINKFLAGS_PYEMBED', archs)

    siplib = bld(
        features='c cxx cshlib pyext',
        target='siplib',
        name='sip',
        includes=cfg.includes + ['sip/siplib'],
        cflags=cfg.cflags,
        defines=cfg.defines,
        libpath=cfg.libdirs,
        uselib='WX',
        install_path="wx"
    )
    
    siplib.source = siplib.path.ant_glob("sip/siplib/*.c sip/siplib/*.cpp", incl=source_exts)

    bld.add_group()

    corelib = bld(
        features='c cxx cxxshlib pyext',
        target='_core',
        includes=cfg.includes + ['sip/siplib'],
        cflags=cfg.cflags,
        defines=cfg.defines,
        libpath=cfg.libdirs,
        linkflags='./siplib.so',
        use= ['WX'],
        install_path="wx"
    )
    
    corelib.source = corelib.path.ant_glob("sip/cpp/sip_core*.cpp", incl=source_exts, remove=False, maxdepth=3)

    dataviewlib = bld(
        features='c cxx cxxshlib pyext',
        target='_dataview',
        includes=cfg.includes + ['sip/siplib'],
        cflags=cfg.cflags,
        defines=cfg.defines,
        libpath=cfg.libdirs,
        linkflags='./siplib.so ./_core.so',
        use= ['WX'],
        install_path="wx"
    )
    
    dataviewlib.source = dataviewlib.path.ant_glob("sip/cpp/sip_dataview*.cpp", incl=source_exts, remove=False, maxdepth=3)