#! /bin/sh
#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2017,2019 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

set -e

#
# This worker script to build the doco.
#
. ${release_top}/rtems-release-version
echo "RTEMS Release Notes builder, v${rtems_release_version}"

#
# Defaults.
#
. ${release_top}/rtems-release-defaults

#
# Only build if wkhtmltopdf is present on the system.
#
if [ "`command -v wkhtmltopdf`"no = no ]; then
 echo "warning: release notes not built: no wkhtmltopdf"
 exit 0
fi

#
# Only build if gs is present on the system.
#
if [ "`command -v gs`"no = no ]; then
 echo "warning: release notes not built: no gs"
 exit 0
fi

#
# Common package start. No git repo the data source is Trac.
#
rtems_git_repo=no
. ./rtems-release-package-start

#
# The workspace pwd
#
ws_pwd=${PWD}

#
# The release notes are all held in the wiki
#
release_pages="https://devel.rtems.org/wiki/Release/"

#
# Set up the wkhtmltopdf defaults.
#
page_options="--print-media-type --zoom 0.8"
header="--header-right [page]/[toPage] --header-font-size 10"
footer="--footer-left [webpage] --footer-font-size 10"

echo "Creating release notes"

rel_html=""
rel_html_line="<div>@RELEASE@</div>"
rev=0
while [ ${rev} -le ${revision_no} ]
do
  rel=${version}.${rev}
  rel_html="$(echo ${rel_html_line} | sed -e "s/@RELEASE@/${rel}/g")${rel_html}"
  rev=$(expr ${rev} + 1)
done
rel_html=$(echo ${rel_html} | sed -e 's/\./\\\./g' -e  's/\//\\\//g')

echo "Create the coverpage"
cp ${top}/rtems-release-notes-coverpage/* .
cat rtems-release-notes-coverpage.html.in | \
    sed -e "s/@RELEASE@/${release}/g" \
	-e "s/@VERSION@/${version}/g" \
	-e "s/@REVISION@/${revision}/g" \
	-e "s/@DATE@/${now}/g" \
	-e "s/@REVISIONS@/${rel_html}/g" > rtems-release-notes-coverpage.html
wkhtmltopdf file://${ws_pwd}/rtems-release-notes-coverpage.html \
	    --disable-smart-shrinking \
	    ${page_options} \
	    --no-header-line \
	    --no-footer-line cp.pdf

pdfs=""
rev=0
while [ ${rev} -le ${revision_no} ]
do
  even_odd=$(( ${rev} % 2 ))
  if [ ${version} -lt 5 -o ${even_odd} -ne 0 ]; then
   rel=${version}.${rev}
   echo "Creating the ${rel} PDF"
   wkhtmltopdf --user-style-sheet file://${ws_pwd}/trac-rtems-style.html \
               -L 5mm -R 5mm \
               ${release_pages}/${version}/${version}.${rev} \
               ${page_options} \
               --header-left "RTEMS ${rel} Release Notes" ${header} \
               ${footer} \
               p${rev}.pdf
   pdfs="p${rev}.pdf ${pdfs}"
  fi
  rev=$(expr ${rev} + 1)
done

gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=../rtems-${release}-release-notes.pdf cp.pdf ${pdfs}

echo "Created: ${release}/rtems-${release}-release-notes.pdf cp.pdf"

#
# Comman package end.
#
. ${top}/rtems-release-package-end

exit 0