#!/usr/bin/env python
import subprocess
from setuptools import setup
from glob import glob

import sys
import os
from os import path
from os.path import splitext


from setuptools import Extension
from distutils import sysconfig
import platform


print sys.argv

# 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 EVERTHING.

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)


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


def clean(ext):
    for src in ext.sources:
        if src.endswith('.c') or src.endswith('cpp'):
            so = src.rsplit('.', 1)[0] + '.so'
            html = src.rsplit('.', 1)[0] + '.html'
            if os.path.exists(so):
                os.unlink(so)
            if os.path.exists(html):
                os.unlink(html)


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


def c_ext(mod_name, language, includes, compile_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=compile_args)


def cython_ext(mod_name, language, includes, compile_args):
    import Cython.Distutils
    import Cython.Build
    mod_path = mod_name.replace('.', '/') + '.pyx'
    if language == 'cpp':
        language = 'c++'
    ext = Extension(mod_name, [mod_path], language=language, include_dirs=includes,
                    extra_compile_args=compile_args)
    return Cython.Build.cythonize([ext])[0]


def run_setup(exts):
    setup(
        name='spacy',
        packages=['spacy', 'spacy.en', 'spacy.syntax'],
        description="Industrial-strength NLP",
        author='Matthew Honnibal',
        author_email='honnibal@gmail.com',
        version='0.29',
        url="http://honnibal.github.io/spaCy/",
        package_data={"spacy": ["*.pxd"],
                      "spacy.en": ["*.pxd", "data/pos/*",
                                   "data/wordnet/*", "data/tokenizer/*",
                                   "data/vocab/*"],
                      "spacy.syntax": ["*.pxd"]},
        ext_modules=exts,
        license="Dual: Commercial or AGPL",
        install_requires=['murmurhash', 'cymem', 'preshed', 'thinc',
                          "unidecode", ],
        setup_requires=["headers_workaround"],
    )

    import headers_workaround

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


def main(modules, is_pypy):
    language = "cpp"
    ext_func = cython_ext if use_cython else c_ext
    includes = ['.', path.join(sys.prefix, 'include')]
    compile_args = ['-O3']
    exts = [ext_func(mn, language, includes, compile_args) for mn in modules]
    run_setup(exts)


MOD_NAMES = ['spacy.typedefs', 'spacy.strings', 'spacy.lexeme',
             'spacy.vocab', 'spacy.tokens', 'spacy.morphology',
             'spacy._ml', 'spacy.tokenizer', 'spacy.en.attrs',
             'spacy.en.pos', 'spacy.syntax.parser', 'spacy.syntax._state',
             'spacy.syntax.arc_eager', 'spacy.syntax._parse_features',
             'spacy.orth']


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