# -*- coding: utf-8 -*-
"""
    test_setup_command
    ~~~~~~~~~~~~~~~~~~~

    Test setup_command for distutils.

    :copyright: Copyright 2007-2014 by the Sphinx team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""

import os
import sys
import subprocess
from functools import wraps
import tempfile
import sphinx

from util import with_tempdir, test_roots, SkipTest
from path import path
from textwrap import dedent

root = test_roots / 'test-setup'


def with_setup_command(root, *args, **kwds):
    """
    Run `setup.py build_sphinx` with args and kwargs,
    pass it to the test and clean up properly.
    """
    def generator(func):
        @wraps(func)
        def deco(*args2, **kwargs2):
            tempdir = path(tempfile.mkdtemp())
            pkgrootdir = (tempdir / 'root')
            root.copytree(pkgrootdir)
            cwd = os.getcwd()
            os.chdir(pkgrootdir)
            pythonpath = os.path.dirname(os.path.dirname(sphinx.__file__))
            if os.getenv('PYTHONPATH'):
                pythonpath = os.getenv('PYTHONPATH') + os.pathsep + pythonpath
            command = [sys.executable, 'setup.py', 'build_sphinx']
            command.extend(args)
            try:
                proc = subprocess.Popen(
                    command,
                    env=dict(os.environ, PYTHONPATH=pythonpath),
                    stdout=subprocess.PIPE,
                    stderr=subprocess.PIPE)
                func(pkgrootdir, proc)
            finally:
                tempdir.rmtree(ignore_errors=True)
                os.chdir(cwd)
        return deco
    return generator


@with_setup_command(root)
def test_build_sphinx(pkgroot, proc):
    out, err = proc.communicate()
    print(out)
    print(err)
    assert proc.returncode == 0


@with_setup_command(root)
def test_build_sphinx_with_nonascii_path(pkgroot, proc):
    mb_name = u'\u65e5\u672c\u8a9e'
    srcdir = (pkgroot / 'doc')
    try:
        (srcdir / mb_name).makedirs()
    except UnicodeEncodeError:
        from path import FILESYSTEMENCODING
        raise SkipTest(
            'non-ASCII filename not supported on this filesystem encoding: '
            '%s', FILESYSTEMENCODING)

    (srcdir / mb_name / (mb_name + '.txt')).write_text(dedent("""
        multi byte file name page
        ==========================
        """))

    master_doc = srcdir / 'contents.txt'
    master_doc.write_bytes((master_doc.text() + dedent("""
            .. toctree::

               %(mb_name)s/%(mb_name)s
            """ % locals())
    ).encode('utf-8'))

    out, err = proc.communicate()
    print(out)
    print(err)
    assert proc.returncode == 0


@with_setup_command(root, '-b', 'linkcheck')
def test_build_sphinx_return_nonzero_status(pkgroot, proc):
    srcdir = (pkgroot / 'doc')
    (srcdir / 'contents.txt').write_text(
        'http://localhost.unexistentdomain/index.html')
    out, err = proc.communicate()
    print(out)
    print(err)
    assert proc.returncode != 0, 'expect non-zero status for setup.py'