#!/usr/bin/env python
from setuptools import setup
import shutil

import sys
import os
from os import path

from setuptools import Extension
from distutils import sysconfig
import platform

# PyPy --- NB! PyPy doesn't really work, it segfaults all over the place. But,
# this is necessary to get it compile.
# We have to resort to monkey-patching to set the compiler, because pypy broke
# all the everything.

pre_patch_customize_compiler = sysconfig.customize_compiler
def my_customize_compiler(compiler):
    pre_patch_customize_compiler(compiler)
    compiler.compiler_cxx = ['c++']


if platform.python_implementation() == 'PyPy':
    sysconfig.customize_compiler = my_customize_compiler

#def install_headers():
#    dest_dir = path.join(sys.prefix, 'include', 'murmurhash')
#    if not path.exists(dest_dir):
#        shutil.copytree('murmurhash/headers/murmurhash', dest_dir)
#
#    dest_dir = path.join(sys.prefix, 'include', 'numpy')


includes = ['.', path.join(sys.prefix, 'include')]


try:
    import numpy
    numpy_headers = path.join(numpy.get_include(), 'numpy')
    shutil.copytree(numpy_headers, path.join(sys.prefix, 'include', 'numpy'))
except ImportError:
    pass
except OSError:
    pass


def clean(mod_names):
    for name in mod_names:
        name = name.replace('.', '/')
        so = name + '.so'
        html = name + '.html'
        cpp = name + '.cpp'
        c = name + '.c'
        for file_path in [so, html, cpp, c]:
            if os.path.exists(file_path):
                os.unlink(file_path)


def name_to_path(mod_name, ext):
    return '%s.%s' % (mod_name.replace('.', '/'), ext)


def c_ext(mod_name, language, includes, compile_args, link_args):
    mod_path = name_to_path(mod_name, language)
    return Extension(mod_name, [mod_path], include_dirs=includes,
                     extra_compile_args=compile_args, extra_link_args=link_args)


def cython_setup(mod_names, language, includes, compile_args, link_args):
    import Cython.Distutils
    import Cython.Build
    import distutils.core

    if language == 'cpp':
        language = 'c++'
    exts = []
    for mod_name in mod_names:
        mod_path = mod_name.replace('.', '/') + '.pyx'
        e = Extension(mod_name, [mod_path], language=language, include_dirs=includes,
                      extra_compile_args=compile_args, extra_link_args=link_args)
        exts.append(e)
    distutils.core.setup(
        name='spacy',
        packages=['spacy', 'spacy.tokens', 'spacy.en', 'spacy.serialize',
                  'spacy.syntax', 'spacy.munge'],
        description="Industrial-strength NLP",
        author='Matthew Honnibal',
        author_email='honnibal@gmail.com',
        version=VERSION,
        url="http://honnibal.github.io/spaCy/",
        package_data={"spacy": ["*.pxd"],
                      "spacy.en": ["*.pxd", "data/pos/*",
                                   "data/wordnet/*", "data/tokenizer/*",
                                   "data/vocab/lexemes.bin",
                                   "data/vocab/strings.txt"],
                      "spacy.syntax": ["*.pxd"]},
        ext_modules=exts,
        cmdclass={'build_ext': Cython.Distutils.build_ext},
        license="Dual: Commercial or AGPL",
    )


def run_setup(exts):
    setup(
        name='spacy',
        packages=['spacy', 'spacy.tokens', 'spacy.en', 'spacy.serialize',
                  'spacy.syntax', 'spacy.munge'],
        description="Industrial-strength NLP",
        author='Matthew Honnibal',
        author_email='honnibal@gmail.com',
        version=VERSION,
        url="http://honnibal.github.io/spaCy/",
        package_data={"spacy": ["*.pxd"],
                      "spacy.en": ["*.pxd", "data/pos/*",
                                   "data/wordnet/*", "data/tokenizer/*",
                                   "data/vocab/lexemes.bin",
                                   "data/vocab/serializer.json",
                                   "data/vocab/oov_prob",
                                   "data/vocab/strings.txt"],
                      "spacy.syntax": ["*.pxd"]},
        ext_modules=exts,
        license="MIT",
        install_requires=['numpy', 'murmurhash', 'cymem >= 1.11', 'preshed == 0.42',
                          'thinc == 3.3', "text_unidecode", 'wget', 'plac', 'six',
                          'ujson'],
        setup_requires=["headers_workaround"],
    )

    import headers_workaround

    headers_workaround.fix_venv_pypy_include()
    headers_workaround.install_headers('murmurhash')
    headers_workaround.install_headers('numpy')


VERSION = '0.94'
def main(modules, is_pypy):
    language = "cpp"
    includes = ['.', path.join(sys.prefix, 'include')]
# TODO: http://stackoverflow.com/questions/724664/python-distutils-how-to-get-a-compiler-that-is-going-to-be-used
#    compile_args = ['-O3', '-Wno-strict-prototypes', '-Wno-unused-function']
    compile_args = ['-Ox', '-EHsc']
    link_args = []
    if sys.platform.startswith('darwin'):
        compile_args.append(['-mmacosx-version-min=10.8', '-stdlib=libc++'])
        link_args.append('-lc++')
    if use_cython:
        cython_setup(modules, language, includes, compile_args, link_args)
    else:
        exts = [c_ext(mn, language, includes, compile_args, link_args)
                      for mn in modules]
        run_setup(exts)


MOD_NAMES = ['spacy.parts_of_speech', 'spacy.strings',
             'spacy.lexeme', 'spacy.vocab', 'spacy.attrs',
             'spacy.morphology', 'spacy.tagger',
             'spacy.syntax.stateclass', 
             'spacy._ml', 'spacy._theano',
             'spacy.tokenizer',
             'spacy.syntax.parser', 
             'spacy.syntax.transition_system',
             'spacy.syntax.arc_eager',
             'spacy.syntax._parse_features',
             'spacy.gold', 'spacy.orth',
             'spacy.tokens.doc', 'spacy.tokens.spans', 'spacy.tokens.token',
             'spacy.serialize.packer', 'spacy.serialize.huffman', 'spacy.serialize.bits',
             'spacy.cfile', 'spacy.matcher',
             'spacy.syntax.ner']


if __name__ == '__main__':
    if sys.argv[1] == 'clean':
        clean(MOD_NAMES)
    else:
        use_cython = sys.argv[1] == 'build_ext'
        main(MOD_NAMES, use_cython)