#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# multidict documentation build configuration file, created by
# sphinx-quickstart on Wed Mar  5 12:35:35 2014.
#
# 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.

from __future__ import annotations

import os
import re
from contextlib import suppress
from pathlib import Path

import alabaster
from sphinx.addnodes import pending_xref
from sphinx.application import Sphinx
from sphinx.environment import BuildEnvironment

# isort: split


from docutils.nodes import literal, reference

PROJECT_ROOT_DIR = Path(__file__).parents[1].resolve()
IS_RELEASE_ON_RTD = (
    os.getenv("READTHEDOCS", "False") == "True"
    and os.environ["READTHEDOCS_VERSION_TYPE"] == "tag"
)
if IS_RELEASE_ON_RTD:
    tags: set[str]
    tags.add("is_release")


_docs_path = Path(__file__).parent
_version_path = _docs_path / ".." / "multidict" / "__init__.py"


with _version_path.open(encoding="utf-8") as fp:
    _version_search_result = re.search(
        r'^__version__ = "'
        r"(?P<major>\d+)"
        r"\.(?P<minor>\d+)"
        r"\.(?P<patch>\d+)"
        r'(?P<tag>.*)?"$',
        fp.read(),
        re.M,
    )
    if _version_search_result is None:
        raise RuntimeError("Unable to determine version.")
    try:
        _version_info = _version_search_result.groupdict()
    except IndexError:
        raise RuntimeError("Unable to determine version.")

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

# If your documentation needs a minimal Sphinx version, state it here.
# needs_sphinx = '1.0'

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
    # stdlib-party extensions:
    "sphinx.ext.extlinks",
    "sphinx.ext.intersphinx",
    "sphinx.ext.viewcode",
    # Third-party extensions:
    "alabaster",
    "sphinxcontrib.towncrier.ext",  # provides `towncrier-draft-entries` directive
]


with suppress(ImportError):
    # spelling extension is optional, only add it when installed
    import sphinxcontrib.spelling  # noqa

    extensions.append("sphinxcontrib.spelling")

intersphinx_mapping = {
    "pyperf": ("https://pyperf.readthedocs.io/en/latest", None),
    "python": ("http://docs.python.org/3", None),
    "aiohttp": ("https://aiohttp.readthedocs.io/en/stable/", None),
}

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

# The suffix of source filenames.
source_suffix = ".rst"

# The encoding of source files.
# source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = "index"

# General information about the project.

github_url = "https://github.com"
github_repo_org = "aio-libs"
github_repo_name = "multidict"
github_repo_slug = f"{github_repo_org}/{github_repo_name}"
github_repo_url = f"{github_url}/{github_repo_slug}"
github_sponsors_url = f"{github_url}/sponsors"

project = github_repo_name
copyright = "2016, Andrew Svetlov and aio-libs contributors"

# 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.
#
# The short X.Y version.
version = "{major}.{minor}".format(**_version_info)
# The full version, including alpha/beta/rc tags.
release = "{major}.{minor}.{patch}{tag}".format_map(_version_info)

rst_epilog = f"""
.. |project| replace:: {project}
"""  # pylint: disable=invalid-name

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
# language = None

# 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 = '%B %d, %Y'

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ["_build"]

# The reST default role (used for this markup: `text`) to use for all
# documents.
default_role = "any"

# If true, '()' will be appended to :func: etc. cross-reference text.
# add_function_parentheses = True

# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
# add_module_names = True

# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
# show_authors = False

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

# The default language to highlight source code in.
highlight_language = "python"

# A list of ignored prefixes for module index sorting.
# modindex_common_prefix = []

# If true, keep warnings as "system message" paragraphs in the built documents.
# keep_warnings = False


# -- Extension configuration -------------------------------------------------

# -- Options for extlinks extension ---------------------------------------
extlinks = {
    "issue": (f"{github_repo_url}/issues/%s", "#%s"),
    "pr": (f"{github_repo_url}/pull/%s", "PR #%s"),
    "commit": (f"{github_repo_url}/commit/%s", "%s"),
    "gh": (f"{github_url}/%s", "GitHub: %s"),
    "user": (f"{github_sponsors_url}/%s", "@%s"),
}

# -- 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 = "alabaster"

# 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 = {
    # 'logo': 'aiohttp-icon-128x128.png',
    "description": project,
    "github_user": github_repo_org,
    "github_repo": github_repo_name,
    "github_button": True,
    "github_type": "star",
    "github_banner": True,
    "travis_button": True,
    "codecov_button": True,
    "pre_bg": "#FFF6E5",
    "note_bg": "#E5ECD1",
    "note_border": "#BFCF8C",
    "body_text": "#482C0A",
    "sidebar_text": "#49443E",
    "sidebar_header": "#4B4032",
}

# Add any paths that contain custom themes here, relative to this directory.
html_theme_path = [alabaster.get_path()]

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
# html_title = None

# A shorter title for the navigation bar.  Default is the same as html_title.
# html_short_title = None

# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
# html_logo = 'aiohttp-icon.svg'

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
# html_favicon = 'aiohttp-icon.ico'

# 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']

# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
# html_extra_path = []

# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
# html_last_updated_fmt = '%b %d, %Y'

# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
# html_use_smartypants = True

# Custom sidebar templates, maps document names to template names.
html_sidebars = {
    "**": [
        "about.html",
        "navigation.html",
        "searchbox.html",
    ]
}

# Additional templates that should be rendered to pages, maps page names to
# template names.
# html_additional_pages = {}

# If false, no module index is generated.
# html_domain_indices = True

# If false, no index is generated.
# html_use_index = True

# If true, the index is split into individual pages for each letter.
# html_split_index = False

# If true, links to the reST sources are added to the pages.
# html_show_sourcelink = True

# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
# html_show_sphinx = True

# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
# html_show_copyright = True

# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it.  The value of this option must be the
# base URL from which the finished HTML is served.
# html_use_opensearch = ''

# This is the file name suffix for HTML files (e.g. ".xhtml").
# html_file_suffix = None

# Output file base name for HTML help builder.
htmlhelp_basename = "multidictdoc"


# -- Options for LaTeX output ---------------------------------------------

latex_elements: dict[str, str] = {
    # The paper size ('letterpaper' or 'a4paper').
    # 'papersize': 'letterpaper',
    # The font size ('10pt', '11pt' or '12pt').
    # 'pointsize': '10pt',
    # Additional stuff for the LaTeX preamble.
    # 'preamble': '',
}

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
    ("index", "multidict.tex", "multidict Documentation", "Andrew Svetlov", "manual"),
]

# The name of an image file (relative to this directory) to place at the top of
# the title page.
# latex_logo = None

# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
# latex_use_parts = False

# If true, show page references after internal links.
# latex_show_pagerefs = False

# If true, show URL addresses after external links.
# latex_show_urls = False

# Documents to append as an appendix to all manuals.
# latex_appendices = []

# If false, no module index is generated.
# latex_domain_indices = True


# -- Options for manual page output ---------------------------------------

# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [("index", project, "multidict Documentation", ["Andrew Svetlov"], 1)]

# If true, show URL addresses after external links.
# man_show_urls = False


# -- Options for Texinfo output -------------------------------------------

# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
#  dir menu entry, description, category)
texinfo_documents = [
    (
        "index",
        project,
        "multidict Documentation",
        "Andrew Svetlov",
        project,
        "One line description of project.",
        "Miscellaneous",
    ),
]

# Documents to append as an appendix to all manuals.
# texinfo_appendices = []

# If false, no module index is generated.
# texinfo_domain_indices = True

# How to display URL addresses: 'footnote', 'no', or 'inline'.
# texinfo_show_urls = 'footnote'

# If true, do not generate a @detailmenu in the "Top" node's menu.
# texinfo_no_detailmenu = False

# -- Strictness options --------------------------------------------------
nitpicky = True
nitpick_ignore: list[str] = []

# -- Options for towncrier_draft extension -----------------------------------

towncrier_draft_autoversion_mode = "draft"  # or: 'sphinx-version', 'sphinx-release'
towncrier_draft_include_empty = True
towncrier_draft_working_directory = PROJECT_ROOT_DIR
towncrier_draft_config_path = "pyproject.toml"  # relative to cwd


def _replace_missing_aiohttp_hdrs_reference(
    app: Sphinx,
    env: BuildEnvironment,
    node: pending_xref,
    contnode: literal,
) -> "reference | None":
    if (node.get('refdomain'), node.get('reftype')) != ("py", "mod"):
        return None

    ref_target = node.get("reftarget", "")
    if ref_target != "aiohttp:aiohttp.hdrs":
        return None

    normalized_ref_target = "aiohttp:aiohttp.hdrs".split(":", 1)[-1]

    return reference(
        normalized_ref_target,
        normalized_ref_target,
        internal=False,
        refuri="https://github.com/aio-libs/aiohttp/blob/43f3e23/aiohttp/hdrs.py",
    )


def setup(app: Sphinx) -> dict[str, bool | str]:
    app.connect('missing-reference', _replace_missing_aiohttp_hdrs_reference)

    return {
        "version": "builtin",
        "parallel_read_safe": True,
        "parallel_write_safe": True,
    }