# Configuration file for the Sphinx documentation builder.
#
# For the full list of built-in configuration values, see the documentation:
# https://www.sphinx-doc.org/en/master/usage/configuration.html

import importlib.util
import sys

# -- Project information -----------------------------------------------------
# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information

project = 'ChronoSync: A Synchronization Protocol for NDN'
copyright = 'Copyright © 2012-2022 Regents of the University of California.'
author = 'Named Data Networking Project'

# The short X.Y version.
#version = ''

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

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
today_fmt = '%Y-%m-%d'


# -- General configuration ---------------------------------------------------
# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

needs_sphinx = '4.0'
extensions = [
    'sphinx.ext.extlinks',
    'sphinx.ext.todo',
]

def addExtensionIfExists(extension: str):
    try:
        if importlib.util.find_spec(extension) is None:
            raise ModuleNotFoundError(extension)
    except (ImportError, ValueError):
        sys.stderr.write(f'WARNING: Extension {extension!r} not found. '
                         'Some documentation may not build correctly.\n')
    else:
        extensions.append(extension)

addExtensionIfExists('sphinxcontrib.doxylink')

templates_path = ['_templates']
exclude_patterns = ['Thumbs.db', '.DS_Store', 'RELEASE_NOTES.rst']


# -- Options for HTML output -------------------------------------------------
# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output

html_theme = 'named_data_theme'
html_theme_path = ['.']

# 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']

html_copy_source = False
html_show_sourcelink = False

# Disable syntax highlighting of code blocks by default.
highlight_language = 'none'


# -- Misc options ------------------------------------------------------------

doxylink = {
    'ChronoSync': ('ChronoSync.tag', 'doxygen/'),
}

extlinks = {
    'issue': ('https://redmine.named-data.net/issues/%s', 'issue #%s'),
}