#!/usr/bin/env bash

# bump_version - increase the shared version and generate changelogs

set -o errexit
set -o pipefail
set -o xtrace

usage() {
    echo -e "bump_version - increase the shared version and generate changelogs"
    echo -e ""
    echo -e "Usage:"
    echo -e " $ bump_version <new_version>"
}

if [[ -z $1 ]]; then
    usage
    exit 1
fi

build_file="./build.yaml"
package_file="./package*.json"

new_version="$1"

old_version="$(
    grep "version:" ${build_file} \
        | sed -E 's/version: "([0-9\.]+[-a-z0-9]*)"/\1/'
)"
echo "Old version: ${old_version}"

# Bump the NPM version
new_version_sed="$( cut -f1 -d'-' <<<"${new_version}" )"
npm --no-git-tag-version --allow-same-version version v${new_version_sed}

# Set the build.yaml version to the specified new_version
old_version_sed="$( sed 's/\./\\./g' <<<"${old_version}" )" # Escape the '.' chars
sed -i "s/${old_version_sed}/${new_version_sed}/g" ${build_file}


if [[ ${new_version} == *"-"* ]]; then
    new_version_pkg="$( sed 's/-/~/g' <<<"${new_version}" )"
    new_version_deb_sup=""
else
    new_version_pkg="${new_version}"
    new_version_deb_sup="-1"
fi

# Write out a temporary Debian changelog with our new stuff appended and some templated formatting
debian_changelog_file="debian/changelog"
debian_changelog_temp="$( mktemp )"
# Create new temp file with our changelog
echo -e "jellyfin-web (${new_version_pkg}${new_version_deb_sup}) unstable; urgency=medium

  * New upstream version ${new_version}; release changelog at https://github.com/jellyfin/jellyfin-web/releases/tag/v${new_version}

 -- Jellyfin Packaging Team <packaging@jellyfin.org>  $( date --rfc-2822 )
" >> ${debian_changelog_temp}
cat ${debian_changelog_file} >> ${debian_changelog_temp}
# Move into place
mv ${debian_changelog_temp} ${debian_changelog_file}

# Write out a temporary Yum changelog with our new stuff prepended and some templated formatting
fedora_spec_file="fedora/jellyfin-web.spec"
fedora_changelog_temp="$( mktemp )"
fedora_spec_temp_dir="$( mktemp -d )"
fedora_spec_temp="${fedora_spec_temp_dir}/jellyfin-web.spec.tmp"
# Make a copy of our spec file for hacking
cp ${fedora_spec_file} ${fedora_spec_temp_dir}/
pushd ${fedora_spec_temp_dir}
# Split out the stuff before and after changelog
csplit jellyfin-web.spec  "/^%changelog/" # produces xx00 xx01
# Update the version in xx00
sed -i "s/${old_version_sed}/${new_version_pkg}/g" xx00
# Remove the header from xx01
sed -i '/^%changelog/d' xx01
# Create new temp file with our changelog
echo -e "%changelog
* $( LANG=C date '+%a %b %d %Y' ) Jellyfin Packaging Team <packaging@jellyfin.org>
- New upstream version ${new_version}; release changelog at https://github.com/jellyfin/jellyfin-web/releases/tag/v${new_version}" >> ${fedora_changelog_temp}
cat xx01 >> ${fedora_changelog_temp}
# Reassembble
cat xx00 ${fedora_changelog_temp} > ${fedora_spec_temp}
popd
# Move into place
mv ${fedora_spec_temp} ${fedora_spec_file}
# Clean up
rm -rf ${fedora_spec_temp_dir}

# Stage the changed files for commit
git add .
git status -v