#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# LightGBM documentation build configuration file, created by
# sphinx-quickstart on Thu May  4 14:30:58 2017.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.

# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute.
"""Sphinx configuration file."""
import datetime
import os
import sys
import sphinx
from sphinx.errors import VersionRequirementError

curr_path = os.path.dirname(os.path.realpath(__file__))
libpath = os.path.join(curr_path, '../python-package/')
sys.path.insert(0, libpath)

# -- mock out modules
try:
    from unittest.mock import Mock  # Python 3.x
except ImportError:
    from mock import Mock  # Python 2.x

MOCK_MODULES = ['numpy', 'scipy', 'scipy.sparse',
                'sklearn', 'matplotlib', 'pandas', 'graphviz']
for mod_name in MOCK_MODULES:
    sys.modules[mod_name] = Mock()

# -- General configuration ------------------------------------------------

os.environ['LIGHTGBM_BUILD_DOC'] = '1'

# If your documentation needs a minimal Sphinx version, state it here.
needs_sphinx = '1.3'  # Due to sphinx.ext.napoleon
if needs_sphinx > sphinx.__version__:
    message = 'This project needs at least Sphinx v%s' % needs_sphinx
    raise VersionRequirementError(message)

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
    'sphinx.ext.autodoc',
    'sphinx.ext.todo',
    'sphinx.ext.viewcode',
    'sphinx.ext.napoleon',
]

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
# source_suffix = ['.rst', '.md']

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = 'LightGBM'
copyright = '%s, Microsoft Corporation' % str(datetime.datetime.now().year)
author = 'Microsoft Corporation'

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
BASE_DIR = os.path.abspath('../')
VERSION_FILE = os.path.join(BASE_DIR, "VERSION.txt")

with open(VERSION_FILE, 'r') as f:

    # The short X.Y version.
    version = f.read().strip()

    # The full version, including alpha/beta/rc tags.
    release = version

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'default'

# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False

# Both the class' and the __init__ method's docstring are concatenated and inserted.
autoclass_content = 'both'

# -- Options for HTML output ----------------------------------------------

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
html_theme = 'sphinx_rtd_theme'

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
html_theme_options = {
    'includehidden': False,
}

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']

# -- Options for HTMLHelp output ------------------------------------------

# Output file base name for HTML help builder.
htmlhelp_basename = 'LightGBMdoc'


def setup(app):
    """Add new elements at Sphinx initialization time.

    Parameters
    ----------
    app : object
        The application object representing the Sphinx process.
    """
    app.add_javascript("js/script.js")
