#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# OpenShot Video Editor documentation build configuration file, created by
# sphinx-quickstart on Thu Sep 22 22:32:39 2016.
#
# 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 re
import sys
sys.path.insert(0, os.path.join(os.path.dirname(os.path.abspath('.')), "src"))

from classes import info

# -- 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.extlinks',
    #'sphinx_markdown_builder' (pip3 install sphinx_markdown_builder)
]

try:
    # Add Copy button to code cells, if extension is available
    import sphinx_copybutton
    extensions.append('sphinx_copybutton')
except ImportError:
    pass

import sys
sys.path.insert(0, '.')
try:
    # Load our YouTube directive
    import youtube_directive
    extensions.append('youtube_directive')
except ImportError:
    pass

# External links mappings for extlinks
# see: http://www.sphinx-doc.org/en/master/usage/extensions/extlinks.html
extlinks = {
    # alias: (url_template, prefix)
    'openshot-github':
        ('https://github.com/OpenShot/%s', '%s'),
    'libopenshot-wiki':
        ('https://github.com/OpenShot/libopenshot/wiki/%s', '%s'),
}

# 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']
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.
project = info.PRODUCT_NAME
copyright = info.COPYRIGHT[14:]
author = info.JT["name"]

# 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 = info.VERSION[:3]
# The full version, including alpha/beta/rc tags.
release = info.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"
locale_dirs = ["locale/"]

# 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.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']

# The reST default role (used for this markup: `text`) to use for all
# documents.
#
# default_role = None

# 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'

# 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

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


# -- 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'

# Optional GA4 measurement ID for HTML builds (set via -D ga4_measurement_id=G-XXXX).
ga4_measurement_id = None

# 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 themes here, relative to this directory.
html_theme_path = ["_themes", ]

# The name for this set of Sphinx documents.
# "<project> v<release> documentation" by default.
#
# html_title = 'OpenShot Video Editor v2.1.0'

# 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 = "../xdg/openshot-arrow.png"

# The name of an image file (relative to this directory) to use as a favicon of
# the docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#
html_favicon = "../xdg/openshot-qt.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 = ['css']

# Use XeLaTeX for Unicode/RTL language support in PDF output.
latex_engine = "xelatex"


# 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 None, a 'Last updated on:' timestamp is inserted at every page
# bottom, using the given strftime format.
# The empty string is equivalent to '%b %d, %Y'.
#
# html_last_updated_fmt = None

# 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 = {}

# 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 = False

# 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

# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
#   'da', 'de', 'en', 'es', 'fi', 'fr', 'h', 'it', 'ja'
#   'nl', 'no', 'pt', 'ro', 'r', 'sv', 'tr', 'zh'
#
# html_search_language = 'en'

# A dictionary with options for the search language support, empty by default.
# 'ja' uses this config value.
# 'zh' user can custom change `jieba` dictionary path.
#
# html_search_options = {'type': 'default'}

# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
#
# html_search_scorer = 'scorer.js'

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

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

latex_elements = {
    # Export PDF without blank pages
    'extraclassoptions': 'openany,oneside'
    # 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',
}

def _configure_latex_fonts(app, config):
    lang = (config.language or "").lower()
    latex_elements = dict(config.latex_elements or {})

    fontpkg = r"""
\usepackage{fontspec}
\defaultfontfeatures{Ligatures=TeX,Scale=MatchLowercase}

% Global fonts must support Latin because Sphinx headings/UI/macros use these.
\setmainfont{Noto Serif}
\setsansfont{Noto Sans}
\setmonofont{Noto Sans Mono}[Scale=0.9]
"""

    preamble = latex_elements.get("preamble", "")
    if lang.startswith("bn"):
        # If your bn is already fine, leave it alone — but polyglossia is also OK.
        fontpkg += r"""
\usepackage{ucharclasses}
\newfontfamily\bengalifont[
  Script=Bengali,
  AutoFakeSlant=0.2,
  AutoFakeBold=2.0
]{Noto Sans Bengali}
\setTransitionsFor{Bengali}{\begingroup\bengalifont}{\endgroup}
"""

    elif lang.startswith("fa"):
        fontpkg += r"""
\usepackage{ucharclasses}
\usepackage{newunicodechar}
\newfontfamily\arabicfont[
  Script=Arabic,
  Language=Farsi,
  AutoFakeSlant=0.2,
  AutoFakeBold=2.0
]{Noto Naskh Arabic}
\setTransitionsFor{Arabic}{\begingroup\arabicfont}{\endgroup}
\newunicodechar{^^^^200c}{}
"""

    latex_elements["fontpkg"] = fontpkg
    latex_elements["preamble"] = preamble
    config.latex_elements = latex_elements


def _configure_html_context(app, config):
    # Ensure custom values are available to templates after -D overrides.
    html_context = dict(config.html_context or {})
    html_context["ga4_measurement_id"] = config.ga4_measurement_id
    config.html_context = html_context


def _rewrite_shared_assets(app, exception):
    if exception is not None:
        return
    if os.environ.get("OPENSHOT_SHARED_ASSETS") != "1":
        return
    lang = (app.config.language or "").lower()
    if not lang or lang == "en":
        return

    replacements = {
        "_static/": "../_static/",
        "_images/": "../_images/",
        "_sources/": "../_sources/",
        "_downloads/": "../_downloads/",
    }
    pattern = re.compile(r'(?<=["\'])(' + "|".join(map(re.escape, replacements.keys())) + r')')

    for root, _, files in os.walk(app.outdir):
        for name in files:
            if not name.endswith(".html"):
                continue
            path = os.path.join(root, name)
            with open(path, "r", encoding="utf-8") as handle:
                data = handle.read()
            new_data = pattern.sub(lambda m: replacements[m.group(1)], data)
            if new_data != data:
                with open(path, "w", encoding="utf-8") as handle:
                    handle.write(new_data)

    for shared in ("_static", "_images", "_sources", "_downloads", ".doctrees"):
        target = os.path.join(app.outdir, shared)
        if os.path.isdir(target):
            for root, dirs, files in os.walk(target, topdown=False):
                for fname in files:
                    os.remove(os.path.join(root, fname))
                for dname in dirs:
                    os.rmdir(os.path.join(root, dname))
            os.rmdir(target)


# 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 = [
    (master_doc, 'OpenShotVideoEditor.tex', 'OpenShot Video Editor Documentation',
     'OpenShot Studios, LLC', '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 = []

# It false, will not define \strong, \code, 	itleref, \crossref ... but only
# \sphinxstrong, ..., \sphinxtitleref, ... To help avoid clash with user added
# packages.
#
# latex_keep_old_macro_names = True

# 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 = [
    (master_doc, 'openshotvideoeditor', 'OpenShot Video Editor Documentation',
     [author], 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 = [
    (master_doc, 'OpenShotVideoEditor', 'OpenShot Video Editor Documentation',
     author, 'OpenShotVideoEditor', '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


# -- Options for Epub output ----------------------------------------------

# Bibliographic Dublin Core info.
epub_title = project
epub_author = author
epub_publisher = author
epub_copyright = copyright

# The basename for the epub file. It defaults to the project name.
# epub_basename = project

# The HTML theme for the epub output. Since the default themes are not
# optimized for small screen space, using the same theme for HTML and epub
# output is usually not wise. This defaults to 'epub', a theme designed to save
# visual space.
#
# epub_theme = 'epub'

# The language of the text. It defaults to the language option
# or 'en' if the language is not set.
#
# epub_language = ''

# The scheme of the identifier. Typical schemes are ISBN or URL.
# epub_scheme = ''

# The unique identifier of the text. This can be a ISBN number
# or the project homepage.
#
# epub_identifier = ''

# A unique identification for the text.
#
# epub_uid = ''

# A tuple containing the cover image and cover page html template filenames.
#
# epub_cover = ()

# A sequence of (type, uri, title) tuples for the guide element of content.opf.
#
# epub_guide = ()

# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#
# epub_pre_files = []

# HTML files that should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#
# epub_post_files = []

# A list of files that should not be packed into the epub file.
epub_exclude_files = ['search.html']

# The depth of the table of contents in toc.ncx.
#
# epub_tocdepth = 3

# Allow duplicate toc entries.
#
# epub_tocdup = True

# Choose between 'default' and 'includehidden'.
#
# epub_tocscope = 'default'

# Fix unsupported image types using the Pillow.
#
# epub_fix_images = False

# Scale large images.
#
# epub_max_image_width = 0

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

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

def setup(app):
    app.add_config_value("ga4_measurement_id", None, "env")
    app.connect("config-inited", _configure_latex_fonts)
    app.connect("config-inited", _configure_html_context)
    app.connect("build-finished", _rewrite_shared_assets)