import os
import subprocess

from documenteer.sphinxconfig.utils import form_ltd_edition_name


def configureDoxyfile(input_dir, output_dir):
    with open('Doxyfile.in', 'r') as file:
        filedata = file.read()

    filedata = filedata.replace('@DOXYGEN_INPUT_DIR@', input_dir)
    filedata = filedata.replace('@DOXYGEN_OUTPUT_DIR@', output_dir)

    with open('Doxyfile', 'w') as file:
        file.write(filedata)

# Check if we're running on Read the Docs' servers
read_the_docs_build = os.environ.get('READTHEDOCS', None) == 'True'

if read_the_docs_build:
    input_dir = '../include/kami'
    output_dir = 'build'
    configureDoxyfile(input_dir, output_dir)
    subprocess.call('doxygen', shell=True)
    breathe_projects = { "kami": output_dir + 'docs/xml' }

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

project = 'Kami'
copyright = '2020-2023 The Johns Hopkins University Applied Physics Laboratory LLC'
author = 'James P. Howard, II <james.howard@jhu.edu>'

# -- 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.
#...
# 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.todo',
    'sphinx.ext.githubpages',
    'breathe',
    'exhale',
    'myst_parser',
    'releases']

# 'releases' (changelog) settings
releases_github_path = "JHUAPL/kami"
releases_unstable_prehistory = True

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

# 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']

# 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']

# Breathe Configuration
# Setup the breathe extension
breathe_default_project = "kami"

# Setup the exhale extension
exhale_args = {
    # These arguments are required
    "containmentFolder":     "./api",
    "rootFileName":          "library_root.rst",
    "rootFileTitle":         "Library API",
    "doxygenStripFromPath":  "..",
    # Suggested optional arguments
    "createTreeView":        True,
    "exhaleExecutesDoxygen": True,
    "exhaleDoxygenStdin":    "INPUT = ../include"
}

# Tell sphinx what the primary language being documented is.
primary_domain = 'cpp'

# Tell sphinx what the pygments highlight language should be.
highlight_language = 'cpp'

# 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.
github_ref = os.getenv("GITHUB_REF", "")
if github_ref == "":
    git_ref = "master"
else:
    match = re.match(r"refs/(heads|tags|pull)/(?P<ref>.+)", github_ref)
    if not match:
        git_ref = "master"
    else:
        git_ref = match.group("ref")

version = form_ltd_edition_name(git_ref)
# The full version, including alpha/beta/rc tags.
release = version

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

# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
source_suffix = {
    '.rst': 'restructuredtext',
    '.md': 'markdown',
}

# The master toctree document.
master_doc = 'index'

# 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 = None

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

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

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

# 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 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']

# Custom sidebar templates, must be a dictionary that maps document names
# to template names.
#
# The default sidebars (for documents that don't match any pattern) are
# defined by theme itself.  Builtin themes are using these templates by
# default: ``['localtoc.html', 'relations.html', 'sourcelink.html',
# 'searchbox.html']``.
#
# html_sidebars = {}
#---sphinx-themes-----
html_theme = 'sphinx_rtd_theme'

# Theme options are theme-specific and customize the look and feel of a
# theme further.
html_theme_options = {
    # Include hidden TOCs in Site navbar?
    #
    # Note: If this is "false", you cannot have mixed ``:hidden:`` and
    # non-hidden ``toctree`` directives in the same page, or else the build
    # will break.
    #
    # Values: "true" (default) or "false"
    'globaltoc_includehidden': "true",

    'display_version': 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, 'kami', u'Kami: Agent-Based Modeling in Modern C++',
     [author], '3kami')
]

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