# Configuration file for the Sphinx documentation builder.
#
# This file only contains a selection of the most common options. For a full
# list see the documentation:
# https://www.sphinx-doc.org/en/master/usage/configuration.html

# -- Path setup --------------------------------------------------------------

# 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, like shown here.
#
import os
import sys
import types

import django
sys.path.insert(0, os.path.abspath('..'))
os.environ['DJANGO_SETTINGS_MODULE'] = 'mamweb.settings'
django.setup()


# -- Project information -----------------------------------------------------

project = 'Web M&M'
copyright = '2022, Orgové'
author = 'Orgové'


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

# 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.viewcode',
    'sphinx.ext.intersphinx',
    'sphinx.ext.autosectionlabel',
    'myst_parser',
]

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

# 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 = 'cs'

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


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

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

html_theme = 'sphinx_rtd_theme'

html_theme_path = [sphinx_rtd_theme.get_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']

# Provázání s jinými dokumentacemi
intersphinx_mapping = {'python': ('https://docs.python.org/3', None),
                       'django': ('http://docs.djangoproject.com/en/3.2/',
                        'http://docs.djangoproject.com/en/3.2/_objects/'),}

# Generování tříd/funkcí/atributů v pořádí jak jsou naprogramované
autodoc_member_order = "bysource"

# Nezobrazování zděděné (ze super tříd) dokumentace TODO nefunguje?
autodoc_inherit_docstrings = False

source_suffix = {
    '.rst': 'restructuredtext',
    '.md': 'markdown',
}

# Autodoc má ignorovat některé moduly
# Ref: https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html#event-autodoc-skip-member
# Kudos: https://stackoverflow.com/a/21449475/
def ignorovat(app, what, name, obj, skip, options):
	blacklist = (
		# typ (what), name
		('module', 'settings.mamweb_prod'),
		)
	ignore = (what, name) in blacklist
	return True if ignore else None


def see(app, what: str, name: str, obj, options, lines: list[str]):
	from django.urls.resolvers import URLPattern
	if what == "module" and name.endswith("urls") and hasattr(obj, "urlpatterns"):
		for url_pattern in obj.urlpatterns:
			text = f"- ``{url_pattern.pattern}`` "
			if isinstance(url_pattern, URLPattern):
				if url_pattern.name is not None:
					text += f"({url_pattern.name}) "

				if hasattr(url_pattern.callback, "view_class"):
					text += f":class:`~{url_pattern.callback.view_class.__module__}.{url_pattern.callback.view_class.__name__}`"
				else:
					text += f":func:`~{url_pattern.callback.__module__}.{url_pattern.callback.__name__}`"

			else:
				if isinstance(url_pattern.urlconf_name, types.ModuleType):
					text += f":mod:`~{url_pattern.urlconf_name.__name__}`"
				else:
					# FIXME nějak lépe ošetřit. Ale `admin/` je zatím jediný případ
					pass

			lines.append(text)
	return lines


def setup(app):
	app.connect('autodoc-skip-member', ignorovat)
	app.connect('autodoc-process-docstring', see)