#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import io
import re

from os.path import dirname
from setuptools import setup

ROOT = dirname(__file__)

RE_REQUIREMENT = re.compile(r'^\s*-r\s*(?P<filename>.*)$')

RE_MD_CODE_BLOCK = re.compile(r'```(?P<language>\w+)?\n(?P<lines>.*?)```', re.S)
RE_SELF_LINK = re.compile(r'\[(.*?)\]\[\]')
RE_LINK_TO_URL = re.compile(r'\[(?P<text>.*?)\]\((?P<url>.*?)\)')
RE_LINK_TO_REF = re.compile(r'\[(?P<text>.*?)\]\[(?P<ref>.*?)\]')
RE_LINK_REF = re.compile(r'^\[(?P<key>[^!].*?)\]:\s*(?P<url>.*)$', re.M)
RE_TITLE = re.compile(r'^(?P<level>#+)\s*(?P<title>.*)$', re.M)
CUT = '<!-- CUT HERE -->'

RST_TITLE_LEVELS = ['=', '-', '*']


def md2pypi(filename):
    '''
    Load .md (markdown) file and sanitize it for PyPI.
    Remove unsupported github tags:
     - travis ci build badges
    '''
    content = io.open(filename).read().split(CUT)[0]

    for match in RE_MD_CODE_BLOCK.finditer(content):
        rst_block = '\n'.join(
            ['.. code-block:: {language}'.format(**match.groupdict()), ''] +
            ['    {0}'.format(l) for l in match.group('lines').split('\n')] +
            ['']
        )
        content = content.replace(match.group(0), rst_block)

    refs = dict(RE_LINK_REF.findall(content))
    content = RE_LINK_REF.sub('.. _\g<key>: \g<url>', content)
    content = RE_SELF_LINK.sub('`\g<1>`_', content)
    content = RE_LINK_TO_URL.sub('`\g<text> <\g<url>>`_', content)

    for match in RE_LINK_TO_REF.finditer(content):
        content = content.replace(match.group(0), '`{text} <{url}>`_'.format(
            text=match.group('text'),
            url=refs[match.group('ref')]
        ))

    for match in RE_TITLE.finditer(content):
        underchar = RST_TITLE_LEVELS[len(match.group('level')) - 1]
        title = match.group('title')
        underline = underchar * len(title)

        full_title = '\n'.join((title, underline))
        content = content.replace(match.group(0), full_title)

    return content


name = 'rdflib-jsonld'
version = __import__('rdflib_jsonld').__version__


setup(
    name=name,
    version=version,
    description='rdflib extension adding JSON-LD parser and serializer',
    long_description=md2pypi('README.md'),
    maintainer='RDFLib Team',
    maintainer_email='rdflib-dev@google.com',
    url='https://github.com/RDFLib/rdflib-jsonld',
    license='BSD',
    packages=['rdflib_jsonld'],
    use_2to3=True,
    zip_safe=False,
    platforms=['any'],
    classifiers=[
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
        'License :: OSI Approved :: BSD License',
        'Topic :: Software Development :: Libraries :: Python Modules',
        'Operating System :: OS Independent',
        'Natural Language :: English',
    ],
    test_suite='nose.collector',
    install_requires = ['rdflib>=4.2.2'],
    tests_require=['nose'],
    command_options={
        'build_sphinx': {
            'project': ('setup.py', name),
            'version': ('setup.py', '.'.join(version.split('.')[:2])),
            'release': ('setup.py', version)
        }
    },
    entry_points={
        'rdf.plugins.parser': [
            'json-ld = rdflib_jsonld.parser:JsonLDParser',
            'application/ld+json = rdflib_jsonld.parser:JsonLDParser',
        ],
        'rdf.plugins.serializer': [
            'json-ld = rdflib_jsonld.serializer:JsonLDSerializer',
            'application/ld+json = rdflib_jsonld.serializer:JsonLDSerializer',
        ],
    }
)