#!/bin/bash
set -e
set -x

SERVE=no
if [ "$1" == "serve" ] ; then
  SERVE=yes
fi

tracked_markdown=$(mktemp)
trap "rm ${tracked_markdown}" "EXIT"
find docs -type f | egrep '\.(markdown|md)$' > $tracked_markdown

# We use mdbook-linkcheck even with mkdocs because we could not find any
# good mkdocs link checking tools that work properly with local links
cargo_deps="gelatyx mdbook-linkcheck"

for doc_dep in $cargo_deps ; do
  if ! hash $doc_dep 2>/dev/null ; then
    cargo install $doc_dep --locked
  fi
done

if test -z "${CHECK_ONLY}" ; then
  gelatyx --language lua --file-list $tracked_markdown --language-config stylua.toml
fi
if ! gelatyx --language lua --color always --file-list $tracked_markdown --language-config stylua.toml --check ; then
  echo
  echo "Be sure to run ./docs/build.sh to apply formatting before you push changes."
  echo
  exit 1
fi

python3 docs/generate-toc.py || exit 1

mdbook-linkcheck --standalone docs

# Adjust path to pick up pip-installed binaries
PATH="$HOME/.local/bin;$PATH"
pip install --quiet mkdocs-material mkdocs-git-revision-date-localized-plugin black mkdocs-exclude mkdocs-macros-plugin
if test -n "${CARDS}" ; then
  pip install --quiet pillow cairosvg
fi

# Keep the toc generator formatted
black docs/generate-toc.py

if [ "$SERVE" == "yes" ] ; then
  mkdocs "$@"
else
  mkdocs build
fi