#!/bin/zsh

set -e
setopt -o glob
setopt -o extended_glob
setopt -o nullglob

if [ -z "$1" ]; then
  printf "Usage:\n  prepare_release <internal_release_public_dir>\n"
  exit 1
fi

error_code=0

RELEASE_CANDIDATES_DIR=/srv/CGAL/www/Members/release-candidates
MANUAL_TESTS_DIR=/srv/CGAL/www/Members/Manual_doxygen_test

PUBLIC_RELEASE_DIR="$1"

INTERNAL_RELEASE=`basename ${PUBLIC_RELEASE_DIR/-public/}`

ZIP_TARBALL=("$PUBLIC_RELEASE_DIR"/*-library.zip(N))
[ -z "$ZIP_TARBALL" ] && ZIP_TARBALL=("$PUBLIC_RELEASE_DIR"/*.zip(N))

PUBLIC_RELEASE_NAME=`basename "$ZIP_TARBALL"`
PUBLIC_RELEASE_NAME=${PUBLIC_RELEASE_NAME/-library.zip/}
PUBLIC_RELEASE_NAME=${PUBLIC_RELEASE_NAME/.zip/}
DEST_DIR="${RELEASE_CANDIDATES_DIR}/$PUBLIC_RELEASE_NAME"

if [ -z "$PUBLIC_RELEASE_NAME" ]; then
    echo The first argument must be a public release directory, like CGAL-3.7-I-167-public.
    exit 1
fi

printf  "Preparing %s in %s...\n" "$PUBLIC_RELEASE_NAME" "$DEST_DIR"
sleep 2

printf "Copy documentation to doc_html/ and doc_html_online/...\n"

[ -d "$DEST_DIR" ] || mkdir "$DEST_DIR"
[ -d "$DEST_DIR/doc_html" ] || mkdir "$DEST_DIR/doc_html"
[ -d "/srv/CGAL/www/${PUBLIC_RELEASE_NAME#CGAL-}/Manual" ] || mkdir -p "/srv/CGAL/www/${PUBLIC_RELEASE_NAME#CGAL-}/Manual"

cp "$PUBLIC_RELEASE_DIR"/*(.) "${RELEASE_CANDIDATES_DIR}/$PUBLIC_RELEASE_NAME"
files=("$MANUAL_TESTS_DIR/$INTERNAL_RELEASE"/output2/*)
if ((${#files[@]} == 0)); then
    printf "ERROR: documentation files are missing\n"
    error_code=1
else
    rsync -a --exclude xml "$MANUAL_TESTS_DIR/$INTERNAL_RELEASE"/output2/* "$DEST_DIR/doc_html/"
    pushd "$DEST_DIR/doc_html/Manual/search"
    for i in g n c s i; do sed -i "s/..\/BGL$i/..\/BGL\/$i/g" *; done
    popd
    rsync -a "$DEST_DIR/doc_html/" "$DEST_DIR/doc_html_online/"

    printf "Modify \"../../MathJax\" to MathJax CDN in doc_html...\n"
    pushd "$DEST_DIR/doc_html"
    find -name '*.html' -exec sed -i -e 's|../../MathJax|https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.2|g' {} +
    popd

    printf "Create doc_html tarball...\n"
    tar cf "$DEST_DIR/${PUBLIC_RELEASE_NAME}-doc_html.tar" -C "$DEST_DIR" doc_html

    printf "Create doc_html zip...\n"
    pushd "$DEST_DIR"
    zip -q -r "$DEST_DIR/${PUBLIC_RELEASE_NAME}-doc_html.zip" doc_html
    popd

    printf "xz doc_html tarball...\n"
    xz --best < "$DEST_DIR/${PUBLIC_RELEASE_NAME}-doc_html.tar" > "$DEST_DIR/${PUBLIC_RELEASE_NAME}-doc_html.tar.xz"

    printf "gzip doc_html tarball...\n"
    gzip -f --best "$DEST_DIR/${PUBLIC_RELEASE_NAME}-doc_html.tar"
fi

printf "Create the internal_release file\n"
printf "%s\n" "${INTERNAL_RELEASE}" > "$DEST_DIR/internal_release"

printf "Create cgal_manual.zip for the Windows installer..."
pushd "$DEST_DIR/doc_html"
zip -q -r ../cgal_manual.zip *
popd

pushd /srv/CGAL/www/precompiled_libs/auxiliary/x64/
cp CGAL-6.0.1-win64-auxiliary-libraries-gmp-mpfr.zip "$DEST_DIR/${PUBLIC_RELEASE_NAME}-win64-auxiliary-libraries-gmp-mpfr.zip"
popd

pushd "$DEST_DIR"
printf "Compute md5sum.txt..."
md5sum *.^txt > md5sum.txt
sha256sum *.^txt > sha256sum.txt
sha512sum *.^txt > sha512sum.txt
popd

printf "Now use:\n"
printf "  cd ${DEST_DIR}\n"
printf "  mv cgal_manual.zip /srv/CGAL/www/%s/Manual/\n" "${PUBLIC_RELEASE_NAME#CGAL-}"
printf "  rsync --compress -av doc_html_online/ %s:doc.cgal.org/Manual/%s\n" \
    cgalorgmnx@ftp.cgal.org \
    "${PUBLIC_RELEASE_NAME#CGAL-}"

printf "DONE!\n"

pushd "$DEST_DIR"
ls -l
popd
exit $error_code