#!/usr/bin/env bash
#
# Package the JellyLMS plugin for one Jellyfin server generation.
#
#   ./build-plugin.sh jf11 [version]   -> Jellyfin 10.11.x, net9.0
#   ./build-plugin.sh jf12 [version]   -> Jellyfin 12.0.x,  net10.0
#
# jprm always reads ./build.yaml, so this temporarily rewrites the targetAbi and
# framework fields for the requested variant and restores the file afterwards.
# The resulting zip is written to artifacts/ with a variant suffix, and its path
# is printed on stdout.
set -euo pipefail

VARIANT="${1:-}"
VERSION="${2:-}"

case "${VARIANT}" in
    jf11) TARGET_ABI="10.11.0.0"; FRAMEWORK="net9.0" ;;
    jf12) TARGET_ABI="12.0.0.0";  FRAMEWORK="net10.0" ;;
    *) echo "usage: $0 <jf11|jf12> [version]" >&2; exit 1 ;;
esac

cd "$(dirname "$0")"

if [ -z "${VERSION}" ]; then
    VERSION=$(sed -n 's/^version:[[:space:]]*"\{0,1\}\([^"]*\)"\{0,1\}[[:space:]]*$/\1/p' build.yaml)
fi

# jprm normalises the version to four components for the artifact name.
FULL_VERSION="${VERSION}"
while [ "$(printf '%s' "${FULL_VERSION}" | tr -cd '.' | wc -c)" -lt 3 ]; do
    FULL_VERSION="${FULL_VERSION}.0"
done

BACKUP=$(mktemp)
cp build.yaml "${BACKUP}"
trap 'cp "${BACKUP}" build.yaml; rm -f "${BACKUP}"' EXIT

sed -i "s/^version:.*/version: \"${VERSION}\"/" build.yaml
sed -i "s/^targetAbi:.*/targetAbi: \"${TARGET_ABI}\"/" build.yaml
sed -i "s/^framework:.*/framework: \"${FRAMEWORK}\"/" build.yaml

echo "Building ${VARIANT}: targetAbi=${TARGET_ABI} framework=${FRAMEWORK} version=${VERSION}" >&2

mkdir -p "artifacts/${VARIANT}"
jprm --verbosity=debug plugin build ./ --output "artifacts/${VARIANT}" >&2

SRC="artifacts/${VARIANT}/jellylms_${FULL_VERSION}.zip"
DEST="artifacts/jellylms_${FULL_VERSION}_${VARIANT}.zip"
mv "${SRC}" "${DEST}"
rm -rf "artifacts/${VARIANT}"

echo "${DEST}"