# -*- coding: utf-8 -*-
#
import re
import sys
from datetime import datetime

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
#
# html_theme = 'nature'
import sphinx_rtd_theme
from docutils.parsers.rst import directives
from recommonmark.parser import CommonMarkParser
from recommonmark.transform import AutoStructify
from sphinx.ext.autosummary import Autosummary, get_documenter
from sphinx.util.inspect import safe_getattr

# 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.
#
import openqlab

# openqlab documentation build configuration file, created by
# sphinx-quickstart on Thu Jun  1 10:08:39 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, like shown here.
#
# import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))


# -- 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 = [
    "sphinx.ext.autodoc",
    "sphinx.ext.todo",
    "sphinx.ext.coverage",
    "sphinx.ext.mathjax",
    "sphinx_markdown_tables",
    "sphinx.ext.intersphinx",
    "sphinx.ext.napoleon",
]

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

# Add Markdown support
source_parsers = {".md": CommonMarkParser}
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
source_suffix = [".rst", ".md"]
# source_suffix = '.rst'

# The master toctree document.
master_doc = "index"

# General information about the project.
project = "openqlab"
copyright = f"{datetime.now().year}, LasNQ @ Uni Hamburg"
author = "LasNQ @ Uni Hamburg"


# The short X.Y version.
version = openqlab.__version__
# The full version, including alpha/beta/rc tags.
release = openqlab.__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 = "en"

# List of patterns, relative to source directory, that match data_files and
# directories to ignore when looking for source data_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 = "sphinx"

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

primary_domain = "py"

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


html_theme = "sphinx_rtd_theme"
html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]

# 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 = {}

# Add any paths that contain custom static data_files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static data_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 = "openqlabdoc"

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

latex_elements = {  # type: ignore
    # The paper size ('letterpaper' or 'a4paper').
    #
    # 'papersize': 'letterpaper',
    # The font size ('10pt', '11pt' or '12pt').
    #
    # 'pointsize': '10pt',
    # Additional stuff for the LaTeX preamble.
    #
    # 'preamble': '',
    # Latex figure (float) alignment
    #
    # 'figure_align': 'htbp',
}

# Grouping the document tree into LaTeX data_files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
    (master_doc, "openqlab.tex", "openqlab Documentation", "LasNQ group", "manual")
]

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

# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [(master_doc, "openqlab.tex", "openqlab Documentation", [author], 1)]

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

# Grouping the document tree into Texinfo data_files. List of tuples
# (source start file, target name, title, author,
#  dir menu entry, description, category)
texinfo_documents = [
    (
        master_doc,
        "openqlab.tex",
        "openqlab Documentation",
        author,
        "openqlab",
        "Open source lab toolbox for quantum optical experiments.",
        "Miscellaneous",
    )
]


class AutoAutoSummary(Autosummary):
    option_spec = {"methods": directives.unchanged, "attributes": directives.unchanged}

    required_arguments = 1

    @staticmethod
    def get_members(obj, typ, include_public=None):
        if not include_public:
            include_public = []
        items = []
        for name in dir(obj):
            try:
                documenter = get_documenter(safe_getattr(obj, name), obj)
            except AttributeError:
                continue
            if documenter.objtype == typ:
                items.append(name)
        public = [x for x in items if x in include_public or not x.startswith("_")]
        return public, items

    def run(self):
        clazz = str(self.arguments[0])
        try:
            (module_name, class_name) = clazz.rsplit(".", 1)
            m = __import__(module_name, globals(), locals(), [class_name])
            c = getattr(m, class_name)
            if "methods" in self.options:
                _, methods = self.get_members(c, "method", ["__init__"])

                self.content = [
                    "~%s.%s" % (clazz, method)
                    for method in methods
                    if not method.startswith("_")
                ]
            if "attributes" in self.options:
                _, attribs = self.get_members(c, "attribute")
                self.content = [
                    "~%s.%s" % (clazz, attrib)
                    for attrib in attribs
                    if not attrib.startswith("_")
                ]
        finally:
            return super(AutoAutoSummary, self).run()


def setup(app):
    app.add_directive("autoautosummary", AutoAutoSummary)
    app.add_config_value("recommonmark_config", {"enable_inline_math": True}, True)
    app.add_transform(AutoStructify)


python_version = ".".join(map(str, sys.version_info[0:2]))
intersphinx_mapping = {
    "sphinx": ("http://www.sphinx-doc.org/en/stable", None),
    "python": ("https://docs.python.org/" + python_version, None),
    "matplotlib": ("https://matplotlib.org", None),
    "numpy": ("https://docs.scipy.org/doc/numpy", None),
    "sklearn": ("http://scikit-learn.org/stable", None),
    "pandas": ("http://pandas.pydata.org/pandas-docs/stable", None),
    "scipy": ("https://docs.scipy.org/doc/scipy/reference", None),
}